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THE CITY OF SAN DIEGO NORTH CITY WATER RECLAMATION PLANT ANNUAL MONITORING REPORT 2010 (SDRWQCB Order No. 97-03) Environmental Monitoring and Technical Services Public Utilities Department 2392 Kincaid Road Mail Station 45A San Diego, CA 92101 Certified Tel (619) 758-2300 Fax (619) 758-2309 ISO 14001
Transcript
Page 1: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

THE CITY OF SAN DIEGO

NORTH CITY WATER RECLAMATION

PLANT

ANNUAL MONITORING REPORT

2010 (SDRWQCB Order No 97-03)

Environmental Monitoring and Technical Services Public Utilities Department

2392 Kincaid Road Mail Station 45A San Diego CA 92101 Certified Tel (619) 758-2300 Fax (619) 758-2309

ISO 14001

THE CITY OF SAN DIEGO

January 28 2011

Mr David W Gibson Executive Officer Califomia Regional Water Quality Control Board San Diego Region 9174 Sky Park Com1 Suite I 00 San Diego CA 92123

Attn Ground Water Unit

Dear Mr Gibson

Enclosed is the Annual Monitoring report for 20 I 0 for the City of San Diego North City Water Reclamation Plant as is specified in Monitoring and Reporting Progran1 No 97-03 for the production and purveyance of reclaimed water

In addition results of analyses performed on North City samples as part of the Metropolitan Wastewater system-wide Quarterly Sludge Project a portion of the Citys Pretreatment Program have also been included

I certify tmder penalty of law that this document and all attaclunents were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information I certify that the information submitted is to the best of my knowledge and belief

1REPOR TSINCWRPAunuals1Annual20 I 0Annual_NC_ I Odocx

Environmental Monitoring and Technical Services Division bull Metropolitan Wastewater ~ gt 1 2392 Kincaid Rood bull Son Diego CA 92101 middot0811DIV ERSII v

Tel (619) 758-2300 Fox (619) 758middot2309

Page 2 Mr David W Gibson Executive Officer January 28 2011

true accurate and complete I am aware that there are significant penalties for submitting false infonnation including the possibility offine and imprisonment for knowing violations

Si~

Steve Mey Deputy Pu- ic Utilities Director

SWMlnk

cc Roger Baily Director of Public Utilities Aim Sasaki Assitant Public Utilities Director Wastewater Operations Branch EPA Region 9 San Diego County Department ofEnvironmental Health Hazardous Materials Division

San Diego County Department of Environmental Health Land Use Division

Distribution File

IIREPORTSINCWRPIAnnualsAnnual201 01Annuai_NC_1 Odocx

INTRODUCTION The purpose of this document is to both meet the requirements of Monitoring and Reporting Program and to

provide a reference source and resource tools for both regulatory agencies and City staff and their consultants To this end the past year‟s data is presented in tabular and graphical form To make this document more useful we have included operational data and background analyses

Notes on data conventions and analyses It should be noted that for averaging purposes less than and not detected (nd) values were treated as zeros

In many parts of the report zero values are found Our computer system reads less than values as zero for summaries as well as in computing averages In those areas where zeros are found the reader can find appropriate Method Detection Limit (MDL) in the table of data Because less than values are averaged as zero a number of the summary table values are lower than the detection limits

The data tables may also contain values expressed as a ltX (less than) with some number X For example the Diazinon value for PLE on March 10 1998 (in the table below) is reported as lt24 ugL (see the below table) this indicates that one or more of two or more determinations was above the MDL while the average was below the MDL This value is still treated as a zero for averaging and other summary calculations Note also that sub-totals and totals consisting of multiple analytes (see below) are also reported as ldquoltXrdquo where the ldquoXrdquo value is the highest MDL for the particular group of analytes This has the same significance as a ldquoNDrdquo or not detected

Organophosphorus Pesticides PLE PLE PLE PLR PLR PLR

10-MAR-1998 27-APR-1998 10-SEP-1998 10-MAR-1998 27-APR-1998 10-SEP-1998 MDL Units 0311980006 0428980006 9809107494 0311980007 0428980007 9809107515

============================= ==== ===== =========== =========== =========== =========== =========== =========== Demeton O 169 UGL ND ND ND ND ND ND Demeton S 182 UGL ND ND ND ND ND ND Diazinon 241 UGL lt24 ND ND lt24 ND ND Guthion 71 UGL ND ND ND ND ND ND Malathion 298 UGL ND ND ND ND ND ND Parathion 283 UGL ND ND ND ND ND ND ============================= ==== ===== =========== =========== =========== =========== =========== =========== Thiophosphorus Pesticides lt71 lt71 lt71 lt71 lt71 lt71 Demeton -O -S lt18 lt02 lt02 lt18 lt02 lt02 ============================= ==== ===== =========== =========== =========== =========== =========== =========== Total Organophosphorus Pesticides lt71 lt71 lt71 lt71 lt71 lt71

A further limitation that the user of this data should note is that confidence in the results of an analysis is heavily dependent upon the concentration relative to the Method Detection Limit (MDL) For the most part our detection limits have been established using the procedure in 40 CFR part 136 This statistical basis for the MDL results in a defined statistical confidence (at the 99 Confidence Interval) of essentially plusmn100 of the result at or near the MDL Only at concentrations approximately 5 times the MDL is the confidence interval at plusmn20 relative While the precision of our methods generally ranges from 2-3 significant figures the above limitations of confidence should always be considered

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 1

Laboratories Contributing Results used in this report

Metropolitan Wastewater Chemistry Laboratory (EPA Lab Code CA00380 ELAP Certificate 1609) 5530 Kiowa Drive La Mesa CA 91942 (619)668-3212 All results except those listed below

Point Loma Wastewater Chemistry Laboratory (EPA Lab Code CA01435 ELAP Certificate 2474) 1902 Gatchell Road San Diego CA 92106 (619)221-8765

Process control analyses and wet methods for the

plant

North City Wastewater Chemistry Laboratory (EPA Lab Code CA01436 ELAP Certificate 2477) 4949 Eastgate Mall San Diego CA 92121 (858)824-6009

Process control analyses and wet methods for the

plant

Metro Biosolids Center Chemistry Laboratory (EPA Lab Code CA01437 ELAP Certificate 2478) 5240 Convoy Street San Diego CA 92111 (858)614-5834

Process control analyses and wet methods for the

plant

City of San Diego - Water Quality Laboratory (EPA Lab Code CA00080 ELAP Certificate 1058) 5530 Kiowa Drive La Mesa CA 91942 (619)668-3237 Total Organic Carbon in Wastewater

City of San Diego - Marine Microbiology and Vector Management (EPA LabCode CA01393 ELAP Certificate 2185) 2392 Kincaid Road San Diego CA 92101 (619)758-2312 Microbiology

Frontier Analytical Laboratory (EPA Lab Code CA014455 NELAP- Certificate 02113CA) 5172 Hillsdale Circle El Dorado Hills CA95762 (916) 934-0900

CRG Laboratories (EPA Lab Code ELAP Certification 2261) 2020 Del Amo Blvd Suite 200 Torrance CA 90501 (714) 755-3263

Herbicides in solids only

Legend Technical Services of Arizona INC (EPA Lab Code AZ00031 NVLAP- Certification AZ0004) 17631 North 25th Avenue Phoenix AZ 85023 (602) 324-6100 Legend-groupcom

Test America Richland (EPA Lab Code WA00023 ELAP Certificate 2425) 2800 George Washington Way

Richland WA 99354-1613 (509)375-3131 Gross AlphaBeta Radioactivity

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 2

Graphs Graphs of monthly averages show the arithmetic mean of the determinations made in the calendar month without weighting for variation in frequency or number of determinations If the mean is less than the MDL (ie bdquond‟ or bdquoltX‟) the expressed graphical value is zero (0)

Terms

North City Water Reclamation Plant Source Codes N01-PEN Penasquitos Influent Pump Station N01 PS_INF Pump Station 64 Influent

N30-DFE Disinfected Final Effluent N15 AE Aeration Effluent N34 REC WATER Compliance point Reclaimed water distributed to customers

downstream of EDR unit N25 FES Filter Effluent Structure N10 EFF Primary Effluent N10-PSP COMB Combined Primary Sludge Pump N15-WAS HCP Waste Activated Sludge (High Capacity Pump) N15-WAS LCP Waste Activated Sludge (Low Capacity Pump)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 3

North City Water Reclamation Plant Operator Certification

Name Grade Cert No Expiration Date

North City Plant Superintendent Molas Ernesto V V-7227 12312011

North City Sr Operations Supervisor Pruett Sam V V-7791 06302011

North City Operations Supervisors Cozad John III III-7138 12312011 Relph Robert III III-6742 12312012

North City Operators Hill Cardell II II-4041 06302011 Todd Terry III III-9833 12312011 Castillo Jose III III-9849 06302011 Marlow Dave V V-10216 12312012 Jacques Richie III III-27921 06302012 Saulog Noel II II-10299 12312012

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 4

NCWRP Sampling Schematic

Filter Backw ash

Primary SludgeWaste Sludge

Secondary Scum

Filter BW Waste

Centrate

Bypass

422009

Influent Pump Station

Primary Sedimentation

Aeration Secondary Clarification

Filtration

Inf PS Sampler

Screening

Grit Removal

Penasquitos Pump Station

Penasq Sampler

Pri Eff Sampler

Aeration Sampler

Demineralization Reclaimed Water Wetwell

Diversion Structure

Effluent Drop Structure

Point Loma Plant

Plant Drain Tank

Waste Drop Structure

Blended Sludge Pump Station

Metro Biosolids Center

Secondary Sampler

DiversionSampler

Plant Drain Sampler

Filter Backwash Waste Tank

Filter Backwash

Sampler

Reclaimed Sampler

-

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 5

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

North City Water Reclamation Plant Monthly Totals

Total Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 2459 4615 473 505 512 56319 15707 70659 2861 03 1163 633 3178 02 2198 4311 332 434 343 51902 11413 65088 2562 00 1017 343 3153 03 2607 4731 391 516 918 53849 17235 72289 2863 00 814 612 3513 04 2394 4617 430 520 1169 45317 19006 69392 2834 52 575 718 3452 05 2063 5233 441 549 1515 46062 23554 71476 2740 17 788 633 3476 06 2414 4708 342 489 1897 38628 27349 68506 2579 00 837 785 3456 07 2446 4907 277 531 2278 41664 30966 72875 2965 00 915 702 3890 08 186 6951 259 559 2349 36390 32804 70944 2830 00 753 471 3650 09 76 6640 340 539 2201 36913 28338 67771 2415 00 736 574 3010 10 2442 4913 324 480 991 50626 16145 70957 2706 00 806 347 3226 11 2147 4780 238 482 1148 50697 17318 69489 2666 00 781 387 3380 12 1488 3083 353 300 563 32124 9255 45661 1661 00 532 310 1922

Average 1910 4957 350 492 1324 45041 20758 67926 2640 06 810 543 3276 Total 22919 59488 4200 5902 15883 540491 249090 815107 31682 72 9717 6515 39306

Daily Averages Total

Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 79 149 15 16 17 1817 507 2279 92 00 38 20 103 02 79 154 12 16 12 1854 408 2325 92 00 36 12 113 03 84 153 13 17 30 1737 556 2332 92 00 26 20 113 04 80 154 14 17 39 1511 634 2313 94 02 19 24 115 05 67 169 14 18 49 1486 760 2306 88 01 25 20 112 06 80 157 11 16 63 1288 912 2284 86 00 28 26 115 07 79 158 9 17 73 1344 999 2351 96 00 30 23 125 08 6 224 8 18 76 1174 1058 2289 91 00 24 15 118 09 3 221 11 18 73 1230 945 2259 81 00 25 19 100 10 79 158 10 15 32 1633 521 2289 87 00 26 11 104 11 72 159 8 16 38 1690 577 2316 89 00 26 13 113 12 74 154 18 15 28 1606 463 2283 83 00 27 16 96

Average 65 168 12 17 44 1531 695 2302 89 00 27 18 111

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 6

North City Water Reclamation Plant

(N34-REC WATER) Recycled Water Chlorine Report

N34-REC WATER is compliance point for reclaimed water

Minimum Daily 1

Maximum Daily 2

Time 3

Operations 2010 Chlorine Residual Chlorine Residual CT less than

Date (mgL) (mgL) 450 mg-minl (min)

Jan 517 1550 0

Feb 559 901 0

Mar 712 1130 0

Apr 446 1291 0

May 409 1314 0

Jun 675 1129 0

Jul 591 873 0

Aug 455 702 0

Sep 408 691 0

Oct 519 837 0

Nov 473 863 0

Dec 486 888 0

Total 0 1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

North City Water Reclamation Plant Recycled Water Coliform Report

Tot Coliform Operations (7-day median) 2010 Date (MPN)

Jan lt18

Feb lt18 Mar lt18 Apr lt18 May lt18 Jun lt18 Jul lt18 Aug lt18 Sep lt18 Oct lt18 Nov lt18 Dec lt18

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 7

North City Water Reclamation Plant

Recycled Water Turbidity Report

Data from in-plant meter 4

Average Daily Minimum Daily 1

Maximum Daily 2

Time Over 3

Operations 2010

Turbidity Turbidity Turbidity 5 NTUs

Date (NTU) (NTU) (NTU) (MINUTES)

Jan 057 046 113 000

Feb 044 037 066 000

Mar 042 035 067 000

Apr 054 044 085 000

May 048 038 078 000

Jun 037 033 099 000

Jul 022 020 037 000

Aug 023 020 039 000

Sep 023 020 048 000

Oct 025 021 070 000

Nov 020 017 052 000

Dec 020 018 037 000

Average 035 Total 000

1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

4 Compliance monitoring point values taken from the combined filter effluent turbidity meter (N25AIT673) or (N25AIT674)

located at meter room of Area 25 (Tertiary Filter Structures)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 8

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 2: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

THE CITY OF SAN DIEGO

January 28 2011

Mr David W Gibson Executive Officer Califomia Regional Water Quality Control Board San Diego Region 9174 Sky Park Com1 Suite I 00 San Diego CA 92123

Attn Ground Water Unit

Dear Mr Gibson

Enclosed is the Annual Monitoring report for 20 I 0 for the City of San Diego North City Water Reclamation Plant as is specified in Monitoring and Reporting Progran1 No 97-03 for the production and purveyance of reclaimed water

In addition results of analyses performed on North City samples as part of the Metropolitan Wastewater system-wide Quarterly Sludge Project a portion of the Citys Pretreatment Program have also been included

I certify tmder penalty of law that this document and all attaclunents were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information I certify that the information submitted is to the best of my knowledge and belief

1REPOR TSINCWRPAunuals1Annual20 I 0Annual_NC_ I Odocx

Environmental Monitoring and Technical Services Division bull Metropolitan Wastewater ~ gt 1 2392 Kincaid Rood bull Son Diego CA 92101 middot0811DIV ERSII v

Tel (619) 758-2300 Fox (619) 758middot2309

Page 2 Mr David W Gibson Executive Officer January 28 2011

true accurate and complete I am aware that there are significant penalties for submitting false infonnation including the possibility offine and imprisonment for knowing violations

Si~

Steve Mey Deputy Pu- ic Utilities Director

SWMlnk

cc Roger Baily Director of Public Utilities Aim Sasaki Assitant Public Utilities Director Wastewater Operations Branch EPA Region 9 San Diego County Department ofEnvironmental Health Hazardous Materials Division

San Diego County Department of Environmental Health Land Use Division

Distribution File

IIREPORTSINCWRPIAnnualsAnnual201 01Annuai_NC_1 Odocx

INTRODUCTION The purpose of this document is to both meet the requirements of Monitoring and Reporting Program and to

provide a reference source and resource tools for both regulatory agencies and City staff and their consultants To this end the past year‟s data is presented in tabular and graphical form To make this document more useful we have included operational data and background analyses

Notes on data conventions and analyses It should be noted that for averaging purposes less than and not detected (nd) values were treated as zeros

In many parts of the report zero values are found Our computer system reads less than values as zero for summaries as well as in computing averages In those areas where zeros are found the reader can find appropriate Method Detection Limit (MDL) in the table of data Because less than values are averaged as zero a number of the summary table values are lower than the detection limits

The data tables may also contain values expressed as a ltX (less than) with some number X For example the Diazinon value for PLE on March 10 1998 (in the table below) is reported as lt24 ugL (see the below table) this indicates that one or more of two or more determinations was above the MDL while the average was below the MDL This value is still treated as a zero for averaging and other summary calculations Note also that sub-totals and totals consisting of multiple analytes (see below) are also reported as ldquoltXrdquo where the ldquoXrdquo value is the highest MDL for the particular group of analytes This has the same significance as a ldquoNDrdquo or not detected

Organophosphorus Pesticides PLE PLE PLE PLR PLR PLR

10-MAR-1998 27-APR-1998 10-SEP-1998 10-MAR-1998 27-APR-1998 10-SEP-1998 MDL Units 0311980006 0428980006 9809107494 0311980007 0428980007 9809107515

============================= ==== ===== =========== =========== =========== =========== =========== =========== Demeton O 169 UGL ND ND ND ND ND ND Demeton S 182 UGL ND ND ND ND ND ND Diazinon 241 UGL lt24 ND ND lt24 ND ND Guthion 71 UGL ND ND ND ND ND ND Malathion 298 UGL ND ND ND ND ND ND Parathion 283 UGL ND ND ND ND ND ND ============================= ==== ===== =========== =========== =========== =========== =========== =========== Thiophosphorus Pesticides lt71 lt71 lt71 lt71 lt71 lt71 Demeton -O -S lt18 lt02 lt02 lt18 lt02 lt02 ============================= ==== ===== =========== =========== =========== =========== =========== =========== Total Organophosphorus Pesticides lt71 lt71 lt71 lt71 lt71 lt71

A further limitation that the user of this data should note is that confidence in the results of an analysis is heavily dependent upon the concentration relative to the Method Detection Limit (MDL) For the most part our detection limits have been established using the procedure in 40 CFR part 136 This statistical basis for the MDL results in a defined statistical confidence (at the 99 Confidence Interval) of essentially plusmn100 of the result at or near the MDL Only at concentrations approximately 5 times the MDL is the confidence interval at plusmn20 relative While the precision of our methods generally ranges from 2-3 significant figures the above limitations of confidence should always be considered

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 1

Laboratories Contributing Results used in this report

Metropolitan Wastewater Chemistry Laboratory (EPA Lab Code CA00380 ELAP Certificate 1609) 5530 Kiowa Drive La Mesa CA 91942 (619)668-3212 All results except those listed below

Point Loma Wastewater Chemistry Laboratory (EPA Lab Code CA01435 ELAP Certificate 2474) 1902 Gatchell Road San Diego CA 92106 (619)221-8765

Process control analyses and wet methods for the

plant

North City Wastewater Chemistry Laboratory (EPA Lab Code CA01436 ELAP Certificate 2477) 4949 Eastgate Mall San Diego CA 92121 (858)824-6009

Process control analyses and wet methods for the

plant

Metro Biosolids Center Chemistry Laboratory (EPA Lab Code CA01437 ELAP Certificate 2478) 5240 Convoy Street San Diego CA 92111 (858)614-5834

Process control analyses and wet methods for the

plant

City of San Diego - Water Quality Laboratory (EPA Lab Code CA00080 ELAP Certificate 1058) 5530 Kiowa Drive La Mesa CA 91942 (619)668-3237 Total Organic Carbon in Wastewater

City of San Diego - Marine Microbiology and Vector Management (EPA LabCode CA01393 ELAP Certificate 2185) 2392 Kincaid Road San Diego CA 92101 (619)758-2312 Microbiology

Frontier Analytical Laboratory (EPA Lab Code CA014455 NELAP- Certificate 02113CA) 5172 Hillsdale Circle El Dorado Hills CA95762 (916) 934-0900

CRG Laboratories (EPA Lab Code ELAP Certification 2261) 2020 Del Amo Blvd Suite 200 Torrance CA 90501 (714) 755-3263

Herbicides in solids only

Legend Technical Services of Arizona INC (EPA Lab Code AZ00031 NVLAP- Certification AZ0004) 17631 North 25th Avenue Phoenix AZ 85023 (602) 324-6100 Legend-groupcom

Test America Richland (EPA Lab Code WA00023 ELAP Certificate 2425) 2800 George Washington Way

Richland WA 99354-1613 (509)375-3131 Gross AlphaBeta Radioactivity

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 2

Graphs Graphs of monthly averages show the arithmetic mean of the determinations made in the calendar month without weighting for variation in frequency or number of determinations If the mean is less than the MDL (ie bdquond‟ or bdquoltX‟) the expressed graphical value is zero (0)

Terms

North City Water Reclamation Plant Source Codes N01-PEN Penasquitos Influent Pump Station N01 PS_INF Pump Station 64 Influent

N30-DFE Disinfected Final Effluent N15 AE Aeration Effluent N34 REC WATER Compliance point Reclaimed water distributed to customers

downstream of EDR unit N25 FES Filter Effluent Structure N10 EFF Primary Effluent N10-PSP COMB Combined Primary Sludge Pump N15-WAS HCP Waste Activated Sludge (High Capacity Pump) N15-WAS LCP Waste Activated Sludge (Low Capacity Pump)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 3

North City Water Reclamation Plant Operator Certification

Name Grade Cert No Expiration Date

North City Plant Superintendent Molas Ernesto V V-7227 12312011

North City Sr Operations Supervisor Pruett Sam V V-7791 06302011

North City Operations Supervisors Cozad John III III-7138 12312011 Relph Robert III III-6742 12312012

North City Operators Hill Cardell II II-4041 06302011 Todd Terry III III-9833 12312011 Castillo Jose III III-9849 06302011 Marlow Dave V V-10216 12312012 Jacques Richie III III-27921 06302012 Saulog Noel II II-10299 12312012

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 4

NCWRP Sampling Schematic

Filter Backw ash

Primary SludgeWaste Sludge

Secondary Scum

Filter BW Waste

Centrate

Bypass

422009

Influent Pump Station

Primary Sedimentation

Aeration Secondary Clarification

Filtration

Inf PS Sampler

Screening

Grit Removal

Penasquitos Pump Station

Penasq Sampler

Pri Eff Sampler

Aeration Sampler

Demineralization Reclaimed Water Wetwell

Diversion Structure

Effluent Drop Structure

Point Loma Plant

Plant Drain Tank

Waste Drop Structure

Blended Sludge Pump Station

Metro Biosolids Center

Secondary Sampler

DiversionSampler

Plant Drain Sampler

Filter Backwash Waste Tank

Filter Backwash

Sampler

Reclaimed Sampler

-

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 5

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

North City Water Reclamation Plant Monthly Totals

Total Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 2459 4615 473 505 512 56319 15707 70659 2861 03 1163 633 3178 02 2198 4311 332 434 343 51902 11413 65088 2562 00 1017 343 3153 03 2607 4731 391 516 918 53849 17235 72289 2863 00 814 612 3513 04 2394 4617 430 520 1169 45317 19006 69392 2834 52 575 718 3452 05 2063 5233 441 549 1515 46062 23554 71476 2740 17 788 633 3476 06 2414 4708 342 489 1897 38628 27349 68506 2579 00 837 785 3456 07 2446 4907 277 531 2278 41664 30966 72875 2965 00 915 702 3890 08 186 6951 259 559 2349 36390 32804 70944 2830 00 753 471 3650 09 76 6640 340 539 2201 36913 28338 67771 2415 00 736 574 3010 10 2442 4913 324 480 991 50626 16145 70957 2706 00 806 347 3226 11 2147 4780 238 482 1148 50697 17318 69489 2666 00 781 387 3380 12 1488 3083 353 300 563 32124 9255 45661 1661 00 532 310 1922

Average 1910 4957 350 492 1324 45041 20758 67926 2640 06 810 543 3276 Total 22919 59488 4200 5902 15883 540491 249090 815107 31682 72 9717 6515 39306

Daily Averages Total

Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 79 149 15 16 17 1817 507 2279 92 00 38 20 103 02 79 154 12 16 12 1854 408 2325 92 00 36 12 113 03 84 153 13 17 30 1737 556 2332 92 00 26 20 113 04 80 154 14 17 39 1511 634 2313 94 02 19 24 115 05 67 169 14 18 49 1486 760 2306 88 01 25 20 112 06 80 157 11 16 63 1288 912 2284 86 00 28 26 115 07 79 158 9 17 73 1344 999 2351 96 00 30 23 125 08 6 224 8 18 76 1174 1058 2289 91 00 24 15 118 09 3 221 11 18 73 1230 945 2259 81 00 25 19 100 10 79 158 10 15 32 1633 521 2289 87 00 26 11 104 11 72 159 8 16 38 1690 577 2316 89 00 26 13 113 12 74 154 18 15 28 1606 463 2283 83 00 27 16 96

Average 65 168 12 17 44 1531 695 2302 89 00 27 18 111

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 6

North City Water Reclamation Plant

(N34-REC WATER) Recycled Water Chlorine Report

N34-REC WATER is compliance point for reclaimed water

Minimum Daily 1

Maximum Daily 2

Time 3

Operations 2010 Chlorine Residual Chlorine Residual CT less than

Date (mgL) (mgL) 450 mg-minl (min)

Jan 517 1550 0

Feb 559 901 0

Mar 712 1130 0

Apr 446 1291 0

May 409 1314 0

Jun 675 1129 0

Jul 591 873 0

Aug 455 702 0

Sep 408 691 0

Oct 519 837 0

Nov 473 863 0

Dec 486 888 0

Total 0 1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

North City Water Reclamation Plant Recycled Water Coliform Report

Tot Coliform Operations (7-day median) 2010 Date (MPN)

Jan lt18

Feb lt18 Mar lt18 Apr lt18 May lt18 Jun lt18 Jul lt18 Aug lt18 Sep lt18 Oct lt18 Nov lt18 Dec lt18

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 7

North City Water Reclamation Plant

Recycled Water Turbidity Report

Data from in-plant meter 4

Average Daily Minimum Daily 1

Maximum Daily 2

Time Over 3

Operations 2010

Turbidity Turbidity Turbidity 5 NTUs

Date (NTU) (NTU) (NTU) (MINUTES)

Jan 057 046 113 000

Feb 044 037 066 000

Mar 042 035 067 000

Apr 054 044 085 000

May 048 038 078 000

Jun 037 033 099 000

Jul 022 020 037 000

Aug 023 020 039 000

Sep 023 020 048 000

Oct 025 021 070 000

Nov 020 017 052 000

Dec 020 018 037 000

Average 035 Total 000

1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

4 Compliance monitoring point values taken from the combined filter effluent turbidity meter (N25AIT673) or (N25AIT674)

located at meter room of Area 25 (Tertiary Filter Structures)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 8

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 3: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

Page 2 Mr David W Gibson Executive Officer January 28 2011

true accurate and complete I am aware that there are significant penalties for submitting false infonnation including the possibility offine and imprisonment for knowing violations

Si~

Steve Mey Deputy Pu- ic Utilities Director

SWMlnk

cc Roger Baily Director of Public Utilities Aim Sasaki Assitant Public Utilities Director Wastewater Operations Branch EPA Region 9 San Diego County Department ofEnvironmental Health Hazardous Materials Division

San Diego County Department of Environmental Health Land Use Division

Distribution File

IIREPORTSINCWRPIAnnualsAnnual201 01Annuai_NC_1 Odocx

INTRODUCTION The purpose of this document is to both meet the requirements of Monitoring and Reporting Program and to

provide a reference source and resource tools for both regulatory agencies and City staff and their consultants To this end the past year‟s data is presented in tabular and graphical form To make this document more useful we have included operational data and background analyses

Notes on data conventions and analyses It should be noted that for averaging purposes less than and not detected (nd) values were treated as zeros

In many parts of the report zero values are found Our computer system reads less than values as zero for summaries as well as in computing averages In those areas where zeros are found the reader can find appropriate Method Detection Limit (MDL) in the table of data Because less than values are averaged as zero a number of the summary table values are lower than the detection limits

The data tables may also contain values expressed as a ltX (less than) with some number X For example the Diazinon value for PLE on March 10 1998 (in the table below) is reported as lt24 ugL (see the below table) this indicates that one or more of two or more determinations was above the MDL while the average was below the MDL This value is still treated as a zero for averaging and other summary calculations Note also that sub-totals and totals consisting of multiple analytes (see below) are also reported as ldquoltXrdquo where the ldquoXrdquo value is the highest MDL for the particular group of analytes This has the same significance as a ldquoNDrdquo or not detected

Organophosphorus Pesticides PLE PLE PLE PLR PLR PLR

10-MAR-1998 27-APR-1998 10-SEP-1998 10-MAR-1998 27-APR-1998 10-SEP-1998 MDL Units 0311980006 0428980006 9809107494 0311980007 0428980007 9809107515

============================= ==== ===== =========== =========== =========== =========== =========== =========== Demeton O 169 UGL ND ND ND ND ND ND Demeton S 182 UGL ND ND ND ND ND ND Diazinon 241 UGL lt24 ND ND lt24 ND ND Guthion 71 UGL ND ND ND ND ND ND Malathion 298 UGL ND ND ND ND ND ND Parathion 283 UGL ND ND ND ND ND ND ============================= ==== ===== =========== =========== =========== =========== =========== =========== Thiophosphorus Pesticides lt71 lt71 lt71 lt71 lt71 lt71 Demeton -O -S lt18 lt02 lt02 lt18 lt02 lt02 ============================= ==== ===== =========== =========== =========== =========== =========== =========== Total Organophosphorus Pesticides lt71 lt71 lt71 lt71 lt71 lt71

A further limitation that the user of this data should note is that confidence in the results of an analysis is heavily dependent upon the concentration relative to the Method Detection Limit (MDL) For the most part our detection limits have been established using the procedure in 40 CFR part 136 This statistical basis for the MDL results in a defined statistical confidence (at the 99 Confidence Interval) of essentially plusmn100 of the result at or near the MDL Only at concentrations approximately 5 times the MDL is the confidence interval at plusmn20 relative While the precision of our methods generally ranges from 2-3 significant figures the above limitations of confidence should always be considered

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 1

Laboratories Contributing Results used in this report

Metropolitan Wastewater Chemistry Laboratory (EPA Lab Code CA00380 ELAP Certificate 1609) 5530 Kiowa Drive La Mesa CA 91942 (619)668-3212 All results except those listed below

Point Loma Wastewater Chemistry Laboratory (EPA Lab Code CA01435 ELAP Certificate 2474) 1902 Gatchell Road San Diego CA 92106 (619)221-8765

Process control analyses and wet methods for the

plant

North City Wastewater Chemistry Laboratory (EPA Lab Code CA01436 ELAP Certificate 2477) 4949 Eastgate Mall San Diego CA 92121 (858)824-6009

Process control analyses and wet methods for the

plant

Metro Biosolids Center Chemistry Laboratory (EPA Lab Code CA01437 ELAP Certificate 2478) 5240 Convoy Street San Diego CA 92111 (858)614-5834

Process control analyses and wet methods for the

plant

City of San Diego - Water Quality Laboratory (EPA Lab Code CA00080 ELAP Certificate 1058) 5530 Kiowa Drive La Mesa CA 91942 (619)668-3237 Total Organic Carbon in Wastewater

City of San Diego - Marine Microbiology and Vector Management (EPA LabCode CA01393 ELAP Certificate 2185) 2392 Kincaid Road San Diego CA 92101 (619)758-2312 Microbiology

Frontier Analytical Laboratory (EPA Lab Code CA014455 NELAP- Certificate 02113CA) 5172 Hillsdale Circle El Dorado Hills CA95762 (916) 934-0900

CRG Laboratories (EPA Lab Code ELAP Certification 2261) 2020 Del Amo Blvd Suite 200 Torrance CA 90501 (714) 755-3263

Herbicides in solids only

Legend Technical Services of Arizona INC (EPA Lab Code AZ00031 NVLAP- Certification AZ0004) 17631 North 25th Avenue Phoenix AZ 85023 (602) 324-6100 Legend-groupcom

Test America Richland (EPA Lab Code WA00023 ELAP Certificate 2425) 2800 George Washington Way

Richland WA 99354-1613 (509)375-3131 Gross AlphaBeta Radioactivity

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 2

Graphs Graphs of monthly averages show the arithmetic mean of the determinations made in the calendar month without weighting for variation in frequency or number of determinations If the mean is less than the MDL (ie bdquond‟ or bdquoltX‟) the expressed graphical value is zero (0)

Terms

North City Water Reclamation Plant Source Codes N01-PEN Penasquitos Influent Pump Station N01 PS_INF Pump Station 64 Influent

N30-DFE Disinfected Final Effluent N15 AE Aeration Effluent N34 REC WATER Compliance point Reclaimed water distributed to customers

downstream of EDR unit N25 FES Filter Effluent Structure N10 EFF Primary Effluent N10-PSP COMB Combined Primary Sludge Pump N15-WAS HCP Waste Activated Sludge (High Capacity Pump) N15-WAS LCP Waste Activated Sludge (Low Capacity Pump)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 3

North City Water Reclamation Plant Operator Certification

Name Grade Cert No Expiration Date

North City Plant Superintendent Molas Ernesto V V-7227 12312011

North City Sr Operations Supervisor Pruett Sam V V-7791 06302011

North City Operations Supervisors Cozad John III III-7138 12312011 Relph Robert III III-6742 12312012

North City Operators Hill Cardell II II-4041 06302011 Todd Terry III III-9833 12312011 Castillo Jose III III-9849 06302011 Marlow Dave V V-10216 12312012 Jacques Richie III III-27921 06302012 Saulog Noel II II-10299 12312012

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 4

NCWRP Sampling Schematic

Filter Backw ash

Primary SludgeWaste Sludge

Secondary Scum

Filter BW Waste

Centrate

Bypass

422009

Influent Pump Station

Primary Sedimentation

Aeration Secondary Clarification

Filtration

Inf PS Sampler

Screening

Grit Removal

Penasquitos Pump Station

Penasq Sampler

Pri Eff Sampler

Aeration Sampler

Demineralization Reclaimed Water Wetwell

Diversion Structure

Effluent Drop Structure

Point Loma Plant

Plant Drain Tank

Waste Drop Structure

Blended Sludge Pump Station

Metro Biosolids Center

Secondary Sampler

DiversionSampler

Plant Drain Sampler

Filter Backwash Waste Tank

Filter Backwash

Sampler

Reclaimed Sampler

-

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 5

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

North City Water Reclamation Plant Monthly Totals

Total Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 2459 4615 473 505 512 56319 15707 70659 2861 03 1163 633 3178 02 2198 4311 332 434 343 51902 11413 65088 2562 00 1017 343 3153 03 2607 4731 391 516 918 53849 17235 72289 2863 00 814 612 3513 04 2394 4617 430 520 1169 45317 19006 69392 2834 52 575 718 3452 05 2063 5233 441 549 1515 46062 23554 71476 2740 17 788 633 3476 06 2414 4708 342 489 1897 38628 27349 68506 2579 00 837 785 3456 07 2446 4907 277 531 2278 41664 30966 72875 2965 00 915 702 3890 08 186 6951 259 559 2349 36390 32804 70944 2830 00 753 471 3650 09 76 6640 340 539 2201 36913 28338 67771 2415 00 736 574 3010 10 2442 4913 324 480 991 50626 16145 70957 2706 00 806 347 3226 11 2147 4780 238 482 1148 50697 17318 69489 2666 00 781 387 3380 12 1488 3083 353 300 563 32124 9255 45661 1661 00 532 310 1922

Average 1910 4957 350 492 1324 45041 20758 67926 2640 06 810 543 3276 Total 22919 59488 4200 5902 15883 540491 249090 815107 31682 72 9717 6515 39306

Daily Averages Total

Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 79 149 15 16 17 1817 507 2279 92 00 38 20 103 02 79 154 12 16 12 1854 408 2325 92 00 36 12 113 03 84 153 13 17 30 1737 556 2332 92 00 26 20 113 04 80 154 14 17 39 1511 634 2313 94 02 19 24 115 05 67 169 14 18 49 1486 760 2306 88 01 25 20 112 06 80 157 11 16 63 1288 912 2284 86 00 28 26 115 07 79 158 9 17 73 1344 999 2351 96 00 30 23 125 08 6 224 8 18 76 1174 1058 2289 91 00 24 15 118 09 3 221 11 18 73 1230 945 2259 81 00 25 19 100 10 79 158 10 15 32 1633 521 2289 87 00 26 11 104 11 72 159 8 16 38 1690 577 2316 89 00 26 13 113 12 74 154 18 15 28 1606 463 2283 83 00 27 16 96

Average 65 168 12 17 44 1531 695 2302 89 00 27 18 111

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 6

North City Water Reclamation Plant

(N34-REC WATER) Recycled Water Chlorine Report

N34-REC WATER is compliance point for reclaimed water

Minimum Daily 1

Maximum Daily 2

Time 3

Operations 2010 Chlorine Residual Chlorine Residual CT less than

Date (mgL) (mgL) 450 mg-minl (min)

Jan 517 1550 0

Feb 559 901 0

Mar 712 1130 0

Apr 446 1291 0

May 409 1314 0

Jun 675 1129 0

Jul 591 873 0

Aug 455 702 0

Sep 408 691 0

Oct 519 837 0

Nov 473 863 0

Dec 486 888 0

Total 0 1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

North City Water Reclamation Plant Recycled Water Coliform Report

Tot Coliform Operations (7-day median) 2010 Date (MPN)

Jan lt18

Feb lt18 Mar lt18 Apr lt18 May lt18 Jun lt18 Jul lt18 Aug lt18 Sep lt18 Oct lt18 Nov lt18 Dec lt18

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 7

North City Water Reclamation Plant

Recycled Water Turbidity Report

Data from in-plant meter 4

Average Daily Minimum Daily 1

Maximum Daily 2

Time Over 3

Operations 2010

Turbidity Turbidity Turbidity 5 NTUs

Date (NTU) (NTU) (NTU) (MINUTES)

Jan 057 046 113 000

Feb 044 037 066 000

Mar 042 035 067 000

Apr 054 044 085 000

May 048 038 078 000

Jun 037 033 099 000

Jul 022 020 037 000

Aug 023 020 039 000

Sep 023 020 048 000

Oct 025 021 070 000

Nov 020 017 052 000

Dec 020 018 037 000

Average 035 Total 000

1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

4 Compliance monitoring point values taken from the combined filter effluent turbidity meter (N25AIT673) or (N25AIT674)

located at meter room of Area 25 (Tertiary Filter Structures)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 8

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 4: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

INTRODUCTION The purpose of this document is to both meet the requirements of Monitoring and Reporting Program and to

provide a reference source and resource tools for both regulatory agencies and City staff and their consultants To this end the past year‟s data is presented in tabular and graphical form To make this document more useful we have included operational data and background analyses

Notes on data conventions and analyses It should be noted that for averaging purposes less than and not detected (nd) values were treated as zeros

In many parts of the report zero values are found Our computer system reads less than values as zero for summaries as well as in computing averages In those areas where zeros are found the reader can find appropriate Method Detection Limit (MDL) in the table of data Because less than values are averaged as zero a number of the summary table values are lower than the detection limits

The data tables may also contain values expressed as a ltX (less than) with some number X For example the Diazinon value for PLE on March 10 1998 (in the table below) is reported as lt24 ugL (see the below table) this indicates that one or more of two or more determinations was above the MDL while the average was below the MDL This value is still treated as a zero for averaging and other summary calculations Note also that sub-totals and totals consisting of multiple analytes (see below) are also reported as ldquoltXrdquo where the ldquoXrdquo value is the highest MDL for the particular group of analytes This has the same significance as a ldquoNDrdquo or not detected

Organophosphorus Pesticides PLE PLE PLE PLR PLR PLR

10-MAR-1998 27-APR-1998 10-SEP-1998 10-MAR-1998 27-APR-1998 10-SEP-1998 MDL Units 0311980006 0428980006 9809107494 0311980007 0428980007 9809107515

============================= ==== ===== =========== =========== =========== =========== =========== =========== Demeton O 169 UGL ND ND ND ND ND ND Demeton S 182 UGL ND ND ND ND ND ND Diazinon 241 UGL lt24 ND ND lt24 ND ND Guthion 71 UGL ND ND ND ND ND ND Malathion 298 UGL ND ND ND ND ND ND Parathion 283 UGL ND ND ND ND ND ND ============================= ==== ===== =========== =========== =========== =========== =========== =========== Thiophosphorus Pesticides lt71 lt71 lt71 lt71 lt71 lt71 Demeton -O -S lt18 lt02 lt02 lt18 lt02 lt02 ============================= ==== ===== =========== =========== =========== =========== =========== =========== Total Organophosphorus Pesticides lt71 lt71 lt71 lt71 lt71 lt71

A further limitation that the user of this data should note is that confidence in the results of an analysis is heavily dependent upon the concentration relative to the Method Detection Limit (MDL) For the most part our detection limits have been established using the procedure in 40 CFR part 136 This statistical basis for the MDL results in a defined statistical confidence (at the 99 Confidence Interval) of essentially plusmn100 of the result at or near the MDL Only at concentrations approximately 5 times the MDL is the confidence interval at plusmn20 relative While the precision of our methods generally ranges from 2-3 significant figures the above limitations of confidence should always be considered

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 1

Laboratories Contributing Results used in this report

Metropolitan Wastewater Chemistry Laboratory (EPA Lab Code CA00380 ELAP Certificate 1609) 5530 Kiowa Drive La Mesa CA 91942 (619)668-3212 All results except those listed below

Point Loma Wastewater Chemistry Laboratory (EPA Lab Code CA01435 ELAP Certificate 2474) 1902 Gatchell Road San Diego CA 92106 (619)221-8765

Process control analyses and wet methods for the

plant

North City Wastewater Chemistry Laboratory (EPA Lab Code CA01436 ELAP Certificate 2477) 4949 Eastgate Mall San Diego CA 92121 (858)824-6009

Process control analyses and wet methods for the

plant

Metro Biosolids Center Chemistry Laboratory (EPA Lab Code CA01437 ELAP Certificate 2478) 5240 Convoy Street San Diego CA 92111 (858)614-5834

Process control analyses and wet methods for the

plant

City of San Diego - Water Quality Laboratory (EPA Lab Code CA00080 ELAP Certificate 1058) 5530 Kiowa Drive La Mesa CA 91942 (619)668-3237 Total Organic Carbon in Wastewater

City of San Diego - Marine Microbiology and Vector Management (EPA LabCode CA01393 ELAP Certificate 2185) 2392 Kincaid Road San Diego CA 92101 (619)758-2312 Microbiology

Frontier Analytical Laboratory (EPA Lab Code CA014455 NELAP- Certificate 02113CA) 5172 Hillsdale Circle El Dorado Hills CA95762 (916) 934-0900

CRG Laboratories (EPA Lab Code ELAP Certification 2261) 2020 Del Amo Blvd Suite 200 Torrance CA 90501 (714) 755-3263

Herbicides in solids only

Legend Technical Services of Arizona INC (EPA Lab Code AZ00031 NVLAP- Certification AZ0004) 17631 North 25th Avenue Phoenix AZ 85023 (602) 324-6100 Legend-groupcom

Test America Richland (EPA Lab Code WA00023 ELAP Certificate 2425) 2800 George Washington Way

Richland WA 99354-1613 (509)375-3131 Gross AlphaBeta Radioactivity

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 2

Graphs Graphs of monthly averages show the arithmetic mean of the determinations made in the calendar month without weighting for variation in frequency or number of determinations If the mean is less than the MDL (ie bdquond‟ or bdquoltX‟) the expressed graphical value is zero (0)

Terms

North City Water Reclamation Plant Source Codes N01-PEN Penasquitos Influent Pump Station N01 PS_INF Pump Station 64 Influent

N30-DFE Disinfected Final Effluent N15 AE Aeration Effluent N34 REC WATER Compliance point Reclaimed water distributed to customers

downstream of EDR unit N25 FES Filter Effluent Structure N10 EFF Primary Effluent N10-PSP COMB Combined Primary Sludge Pump N15-WAS HCP Waste Activated Sludge (High Capacity Pump) N15-WAS LCP Waste Activated Sludge (Low Capacity Pump)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 3

North City Water Reclamation Plant Operator Certification

Name Grade Cert No Expiration Date

North City Plant Superintendent Molas Ernesto V V-7227 12312011

North City Sr Operations Supervisor Pruett Sam V V-7791 06302011

North City Operations Supervisors Cozad John III III-7138 12312011 Relph Robert III III-6742 12312012

North City Operators Hill Cardell II II-4041 06302011 Todd Terry III III-9833 12312011 Castillo Jose III III-9849 06302011 Marlow Dave V V-10216 12312012 Jacques Richie III III-27921 06302012 Saulog Noel II II-10299 12312012

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 4

NCWRP Sampling Schematic

Filter Backw ash

Primary SludgeWaste Sludge

Secondary Scum

Filter BW Waste

Centrate

Bypass

422009

Influent Pump Station

Primary Sedimentation

Aeration Secondary Clarification

Filtration

Inf PS Sampler

Screening

Grit Removal

Penasquitos Pump Station

Penasq Sampler

Pri Eff Sampler

Aeration Sampler

Demineralization Reclaimed Water Wetwell

Diversion Structure

Effluent Drop Structure

Point Loma Plant

Plant Drain Tank

Waste Drop Structure

Blended Sludge Pump Station

Metro Biosolids Center

Secondary Sampler

DiversionSampler

Plant Drain Sampler

Filter Backwash Waste Tank

Filter Backwash

Sampler

Reclaimed Sampler

-

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 5

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

North City Water Reclamation Plant Monthly Totals

Total Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 2459 4615 473 505 512 56319 15707 70659 2861 03 1163 633 3178 02 2198 4311 332 434 343 51902 11413 65088 2562 00 1017 343 3153 03 2607 4731 391 516 918 53849 17235 72289 2863 00 814 612 3513 04 2394 4617 430 520 1169 45317 19006 69392 2834 52 575 718 3452 05 2063 5233 441 549 1515 46062 23554 71476 2740 17 788 633 3476 06 2414 4708 342 489 1897 38628 27349 68506 2579 00 837 785 3456 07 2446 4907 277 531 2278 41664 30966 72875 2965 00 915 702 3890 08 186 6951 259 559 2349 36390 32804 70944 2830 00 753 471 3650 09 76 6640 340 539 2201 36913 28338 67771 2415 00 736 574 3010 10 2442 4913 324 480 991 50626 16145 70957 2706 00 806 347 3226 11 2147 4780 238 482 1148 50697 17318 69489 2666 00 781 387 3380 12 1488 3083 353 300 563 32124 9255 45661 1661 00 532 310 1922

Average 1910 4957 350 492 1324 45041 20758 67926 2640 06 810 543 3276 Total 22919 59488 4200 5902 15883 540491 249090 815107 31682 72 9717 6515 39306

Daily Averages Total

Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 79 149 15 16 17 1817 507 2279 92 00 38 20 103 02 79 154 12 16 12 1854 408 2325 92 00 36 12 113 03 84 153 13 17 30 1737 556 2332 92 00 26 20 113 04 80 154 14 17 39 1511 634 2313 94 02 19 24 115 05 67 169 14 18 49 1486 760 2306 88 01 25 20 112 06 80 157 11 16 63 1288 912 2284 86 00 28 26 115 07 79 158 9 17 73 1344 999 2351 96 00 30 23 125 08 6 224 8 18 76 1174 1058 2289 91 00 24 15 118 09 3 221 11 18 73 1230 945 2259 81 00 25 19 100 10 79 158 10 15 32 1633 521 2289 87 00 26 11 104 11 72 159 8 16 38 1690 577 2316 89 00 26 13 113 12 74 154 18 15 28 1606 463 2283 83 00 27 16 96

Average 65 168 12 17 44 1531 695 2302 89 00 27 18 111

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 6

North City Water Reclamation Plant

(N34-REC WATER) Recycled Water Chlorine Report

N34-REC WATER is compliance point for reclaimed water

Minimum Daily 1

Maximum Daily 2

Time 3

Operations 2010 Chlorine Residual Chlorine Residual CT less than

Date (mgL) (mgL) 450 mg-minl (min)

Jan 517 1550 0

Feb 559 901 0

Mar 712 1130 0

Apr 446 1291 0

May 409 1314 0

Jun 675 1129 0

Jul 591 873 0

Aug 455 702 0

Sep 408 691 0

Oct 519 837 0

Nov 473 863 0

Dec 486 888 0

Total 0 1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

North City Water Reclamation Plant Recycled Water Coliform Report

Tot Coliform Operations (7-day median) 2010 Date (MPN)

Jan lt18

Feb lt18 Mar lt18 Apr lt18 May lt18 Jun lt18 Jul lt18 Aug lt18 Sep lt18 Oct lt18 Nov lt18 Dec lt18

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 7

North City Water Reclamation Plant

Recycled Water Turbidity Report

Data from in-plant meter 4

Average Daily Minimum Daily 1

Maximum Daily 2

Time Over 3

Operations 2010

Turbidity Turbidity Turbidity 5 NTUs

Date (NTU) (NTU) (NTU) (MINUTES)

Jan 057 046 113 000

Feb 044 037 066 000

Mar 042 035 067 000

Apr 054 044 085 000

May 048 038 078 000

Jun 037 033 099 000

Jul 022 020 037 000

Aug 023 020 039 000

Sep 023 020 048 000

Oct 025 021 070 000

Nov 020 017 052 000

Dec 020 018 037 000

Average 035 Total 000

1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

4 Compliance monitoring point values taken from the combined filter effluent turbidity meter (N25AIT673) or (N25AIT674)

located at meter room of Area 25 (Tertiary Filter Structures)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 8

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 5: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

Laboratories Contributing Results used in this report

Metropolitan Wastewater Chemistry Laboratory (EPA Lab Code CA00380 ELAP Certificate 1609) 5530 Kiowa Drive La Mesa CA 91942 (619)668-3212 All results except those listed below

Point Loma Wastewater Chemistry Laboratory (EPA Lab Code CA01435 ELAP Certificate 2474) 1902 Gatchell Road San Diego CA 92106 (619)221-8765

Process control analyses and wet methods for the

plant

North City Wastewater Chemistry Laboratory (EPA Lab Code CA01436 ELAP Certificate 2477) 4949 Eastgate Mall San Diego CA 92121 (858)824-6009

Process control analyses and wet methods for the

plant

Metro Biosolids Center Chemistry Laboratory (EPA Lab Code CA01437 ELAP Certificate 2478) 5240 Convoy Street San Diego CA 92111 (858)614-5834

Process control analyses and wet methods for the

plant

City of San Diego - Water Quality Laboratory (EPA Lab Code CA00080 ELAP Certificate 1058) 5530 Kiowa Drive La Mesa CA 91942 (619)668-3237 Total Organic Carbon in Wastewater

City of San Diego - Marine Microbiology and Vector Management (EPA LabCode CA01393 ELAP Certificate 2185) 2392 Kincaid Road San Diego CA 92101 (619)758-2312 Microbiology

Frontier Analytical Laboratory (EPA Lab Code CA014455 NELAP- Certificate 02113CA) 5172 Hillsdale Circle El Dorado Hills CA95762 (916) 934-0900

CRG Laboratories (EPA Lab Code ELAP Certification 2261) 2020 Del Amo Blvd Suite 200 Torrance CA 90501 (714) 755-3263

Herbicides in solids only

Legend Technical Services of Arizona INC (EPA Lab Code AZ00031 NVLAP- Certification AZ0004) 17631 North 25th Avenue Phoenix AZ 85023 (602) 324-6100 Legend-groupcom

Test America Richland (EPA Lab Code WA00023 ELAP Certificate 2425) 2800 George Washington Way

Richland WA 99354-1613 (509)375-3131 Gross AlphaBeta Radioactivity

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 2

Graphs Graphs of monthly averages show the arithmetic mean of the determinations made in the calendar month without weighting for variation in frequency or number of determinations If the mean is less than the MDL (ie bdquond‟ or bdquoltX‟) the expressed graphical value is zero (0)

Terms

North City Water Reclamation Plant Source Codes N01-PEN Penasquitos Influent Pump Station N01 PS_INF Pump Station 64 Influent

N30-DFE Disinfected Final Effluent N15 AE Aeration Effluent N34 REC WATER Compliance point Reclaimed water distributed to customers

downstream of EDR unit N25 FES Filter Effluent Structure N10 EFF Primary Effluent N10-PSP COMB Combined Primary Sludge Pump N15-WAS HCP Waste Activated Sludge (High Capacity Pump) N15-WAS LCP Waste Activated Sludge (Low Capacity Pump)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 3

North City Water Reclamation Plant Operator Certification

Name Grade Cert No Expiration Date

North City Plant Superintendent Molas Ernesto V V-7227 12312011

North City Sr Operations Supervisor Pruett Sam V V-7791 06302011

North City Operations Supervisors Cozad John III III-7138 12312011 Relph Robert III III-6742 12312012

North City Operators Hill Cardell II II-4041 06302011 Todd Terry III III-9833 12312011 Castillo Jose III III-9849 06302011 Marlow Dave V V-10216 12312012 Jacques Richie III III-27921 06302012 Saulog Noel II II-10299 12312012

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 4

NCWRP Sampling Schematic

Filter Backw ash

Primary SludgeWaste Sludge

Secondary Scum

Filter BW Waste

Centrate

Bypass

422009

Influent Pump Station

Primary Sedimentation

Aeration Secondary Clarification

Filtration

Inf PS Sampler

Screening

Grit Removal

Penasquitos Pump Station

Penasq Sampler

Pri Eff Sampler

Aeration Sampler

Demineralization Reclaimed Water Wetwell

Diversion Structure

Effluent Drop Structure

Point Loma Plant

Plant Drain Tank

Waste Drop Structure

Blended Sludge Pump Station

Metro Biosolids Center

Secondary Sampler

DiversionSampler

Plant Drain Sampler

Filter Backwash Waste Tank

Filter Backwash

Sampler

Reclaimed Sampler

-

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 5

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

North City Water Reclamation Plant Monthly Totals

Total Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 2459 4615 473 505 512 56319 15707 70659 2861 03 1163 633 3178 02 2198 4311 332 434 343 51902 11413 65088 2562 00 1017 343 3153 03 2607 4731 391 516 918 53849 17235 72289 2863 00 814 612 3513 04 2394 4617 430 520 1169 45317 19006 69392 2834 52 575 718 3452 05 2063 5233 441 549 1515 46062 23554 71476 2740 17 788 633 3476 06 2414 4708 342 489 1897 38628 27349 68506 2579 00 837 785 3456 07 2446 4907 277 531 2278 41664 30966 72875 2965 00 915 702 3890 08 186 6951 259 559 2349 36390 32804 70944 2830 00 753 471 3650 09 76 6640 340 539 2201 36913 28338 67771 2415 00 736 574 3010 10 2442 4913 324 480 991 50626 16145 70957 2706 00 806 347 3226 11 2147 4780 238 482 1148 50697 17318 69489 2666 00 781 387 3380 12 1488 3083 353 300 563 32124 9255 45661 1661 00 532 310 1922

Average 1910 4957 350 492 1324 45041 20758 67926 2640 06 810 543 3276 Total 22919 59488 4200 5902 15883 540491 249090 815107 31682 72 9717 6515 39306

Daily Averages Total

Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 79 149 15 16 17 1817 507 2279 92 00 38 20 103 02 79 154 12 16 12 1854 408 2325 92 00 36 12 113 03 84 153 13 17 30 1737 556 2332 92 00 26 20 113 04 80 154 14 17 39 1511 634 2313 94 02 19 24 115 05 67 169 14 18 49 1486 760 2306 88 01 25 20 112 06 80 157 11 16 63 1288 912 2284 86 00 28 26 115 07 79 158 9 17 73 1344 999 2351 96 00 30 23 125 08 6 224 8 18 76 1174 1058 2289 91 00 24 15 118 09 3 221 11 18 73 1230 945 2259 81 00 25 19 100 10 79 158 10 15 32 1633 521 2289 87 00 26 11 104 11 72 159 8 16 38 1690 577 2316 89 00 26 13 113 12 74 154 18 15 28 1606 463 2283 83 00 27 16 96

Average 65 168 12 17 44 1531 695 2302 89 00 27 18 111

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 6

North City Water Reclamation Plant

(N34-REC WATER) Recycled Water Chlorine Report

N34-REC WATER is compliance point for reclaimed water

Minimum Daily 1

Maximum Daily 2

Time 3

Operations 2010 Chlorine Residual Chlorine Residual CT less than

Date (mgL) (mgL) 450 mg-minl (min)

Jan 517 1550 0

Feb 559 901 0

Mar 712 1130 0

Apr 446 1291 0

May 409 1314 0

Jun 675 1129 0

Jul 591 873 0

Aug 455 702 0

Sep 408 691 0

Oct 519 837 0

Nov 473 863 0

Dec 486 888 0

Total 0 1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

North City Water Reclamation Plant Recycled Water Coliform Report

Tot Coliform Operations (7-day median) 2010 Date (MPN)

Jan lt18

Feb lt18 Mar lt18 Apr lt18 May lt18 Jun lt18 Jul lt18 Aug lt18 Sep lt18 Oct lt18 Nov lt18 Dec lt18

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 7

North City Water Reclamation Plant

Recycled Water Turbidity Report

Data from in-plant meter 4

Average Daily Minimum Daily 1

Maximum Daily 2

Time Over 3

Operations 2010

Turbidity Turbidity Turbidity 5 NTUs

Date (NTU) (NTU) (NTU) (MINUTES)

Jan 057 046 113 000

Feb 044 037 066 000

Mar 042 035 067 000

Apr 054 044 085 000

May 048 038 078 000

Jun 037 033 099 000

Jul 022 020 037 000

Aug 023 020 039 000

Sep 023 020 048 000

Oct 025 021 070 000

Nov 020 017 052 000

Dec 020 018 037 000

Average 035 Total 000

1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

4 Compliance monitoring point values taken from the combined filter effluent turbidity meter (N25AIT673) or (N25AIT674)

located at meter room of Area 25 (Tertiary Filter Structures)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 8

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 6: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

Graphs Graphs of monthly averages show the arithmetic mean of the determinations made in the calendar month without weighting for variation in frequency or number of determinations If the mean is less than the MDL (ie bdquond‟ or bdquoltX‟) the expressed graphical value is zero (0)

Terms

North City Water Reclamation Plant Source Codes N01-PEN Penasquitos Influent Pump Station N01 PS_INF Pump Station 64 Influent

N30-DFE Disinfected Final Effluent N15 AE Aeration Effluent N34 REC WATER Compliance point Reclaimed water distributed to customers

downstream of EDR unit N25 FES Filter Effluent Structure N10 EFF Primary Effluent N10-PSP COMB Combined Primary Sludge Pump N15-WAS HCP Waste Activated Sludge (High Capacity Pump) N15-WAS LCP Waste Activated Sludge (Low Capacity Pump)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 3

North City Water Reclamation Plant Operator Certification

Name Grade Cert No Expiration Date

North City Plant Superintendent Molas Ernesto V V-7227 12312011

North City Sr Operations Supervisor Pruett Sam V V-7791 06302011

North City Operations Supervisors Cozad John III III-7138 12312011 Relph Robert III III-6742 12312012

North City Operators Hill Cardell II II-4041 06302011 Todd Terry III III-9833 12312011 Castillo Jose III III-9849 06302011 Marlow Dave V V-10216 12312012 Jacques Richie III III-27921 06302012 Saulog Noel II II-10299 12312012

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 4

NCWRP Sampling Schematic

Filter Backw ash

Primary SludgeWaste Sludge

Secondary Scum

Filter BW Waste

Centrate

Bypass

422009

Influent Pump Station

Primary Sedimentation

Aeration Secondary Clarification

Filtration

Inf PS Sampler

Screening

Grit Removal

Penasquitos Pump Station

Penasq Sampler

Pri Eff Sampler

Aeration Sampler

Demineralization Reclaimed Water Wetwell

Diversion Structure

Effluent Drop Structure

Point Loma Plant

Plant Drain Tank

Waste Drop Structure

Blended Sludge Pump Station

Metro Biosolids Center

Secondary Sampler

DiversionSampler

Plant Drain Sampler

Filter Backwash Waste Tank

Filter Backwash

Sampler

Reclaimed Sampler

-

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 5

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

North City Water Reclamation Plant Monthly Totals

Total Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 2459 4615 473 505 512 56319 15707 70659 2861 03 1163 633 3178 02 2198 4311 332 434 343 51902 11413 65088 2562 00 1017 343 3153 03 2607 4731 391 516 918 53849 17235 72289 2863 00 814 612 3513 04 2394 4617 430 520 1169 45317 19006 69392 2834 52 575 718 3452 05 2063 5233 441 549 1515 46062 23554 71476 2740 17 788 633 3476 06 2414 4708 342 489 1897 38628 27349 68506 2579 00 837 785 3456 07 2446 4907 277 531 2278 41664 30966 72875 2965 00 915 702 3890 08 186 6951 259 559 2349 36390 32804 70944 2830 00 753 471 3650 09 76 6640 340 539 2201 36913 28338 67771 2415 00 736 574 3010 10 2442 4913 324 480 991 50626 16145 70957 2706 00 806 347 3226 11 2147 4780 238 482 1148 50697 17318 69489 2666 00 781 387 3380 12 1488 3083 353 300 563 32124 9255 45661 1661 00 532 310 1922

Average 1910 4957 350 492 1324 45041 20758 67926 2640 06 810 543 3276 Total 22919 59488 4200 5902 15883 540491 249090 815107 31682 72 9717 6515 39306

Daily Averages Total

Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 79 149 15 16 17 1817 507 2279 92 00 38 20 103 02 79 154 12 16 12 1854 408 2325 92 00 36 12 113 03 84 153 13 17 30 1737 556 2332 92 00 26 20 113 04 80 154 14 17 39 1511 634 2313 94 02 19 24 115 05 67 169 14 18 49 1486 760 2306 88 01 25 20 112 06 80 157 11 16 63 1288 912 2284 86 00 28 26 115 07 79 158 9 17 73 1344 999 2351 96 00 30 23 125 08 6 224 8 18 76 1174 1058 2289 91 00 24 15 118 09 3 221 11 18 73 1230 945 2259 81 00 25 19 100 10 79 158 10 15 32 1633 521 2289 87 00 26 11 104 11 72 159 8 16 38 1690 577 2316 89 00 26 13 113 12 74 154 18 15 28 1606 463 2283 83 00 27 16 96

Average 65 168 12 17 44 1531 695 2302 89 00 27 18 111

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 6

North City Water Reclamation Plant

(N34-REC WATER) Recycled Water Chlorine Report

N34-REC WATER is compliance point for reclaimed water

Minimum Daily 1

Maximum Daily 2

Time 3

Operations 2010 Chlorine Residual Chlorine Residual CT less than

Date (mgL) (mgL) 450 mg-minl (min)

Jan 517 1550 0

Feb 559 901 0

Mar 712 1130 0

Apr 446 1291 0

May 409 1314 0

Jun 675 1129 0

Jul 591 873 0

Aug 455 702 0

Sep 408 691 0

Oct 519 837 0

Nov 473 863 0

Dec 486 888 0

Total 0 1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

North City Water Reclamation Plant Recycled Water Coliform Report

Tot Coliform Operations (7-day median) 2010 Date (MPN)

Jan lt18

Feb lt18 Mar lt18 Apr lt18 May lt18 Jun lt18 Jul lt18 Aug lt18 Sep lt18 Oct lt18 Nov lt18 Dec lt18

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 7

North City Water Reclamation Plant

Recycled Water Turbidity Report

Data from in-plant meter 4

Average Daily Minimum Daily 1

Maximum Daily 2

Time Over 3

Operations 2010

Turbidity Turbidity Turbidity 5 NTUs

Date (NTU) (NTU) (NTU) (MINUTES)

Jan 057 046 113 000

Feb 044 037 066 000

Mar 042 035 067 000

Apr 054 044 085 000

May 048 038 078 000

Jun 037 033 099 000

Jul 022 020 037 000

Aug 023 020 039 000

Sep 023 020 048 000

Oct 025 021 070 000

Nov 020 017 052 000

Dec 020 018 037 000

Average 035 Total 000

1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

4 Compliance monitoring point values taken from the combined filter effluent turbidity meter (N25AIT673) or (N25AIT674)

located at meter room of Area 25 (Tertiary Filter Structures)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 8

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 7: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

North City Water Reclamation Plant Operator Certification

Name Grade Cert No Expiration Date

North City Plant Superintendent Molas Ernesto V V-7227 12312011

North City Sr Operations Supervisor Pruett Sam V V-7791 06302011

North City Operations Supervisors Cozad John III III-7138 12312011 Relph Robert III III-6742 12312012

North City Operators Hill Cardell II II-4041 06302011 Todd Terry III III-9833 12312011 Castillo Jose III III-9849 06302011 Marlow Dave V V-10216 12312012 Jacques Richie III III-27921 06302012 Saulog Noel II II-10299 12312012

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 4

NCWRP Sampling Schematic

Filter Backw ash

Primary SludgeWaste Sludge

Secondary Scum

Filter BW Waste

Centrate

Bypass

422009

Influent Pump Station

Primary Sedimentation

Aeration Secondary Clarification

Filtration

Inf PS Sampler

Screening

Grit Removal

Penasquitos Pump Station

Penasq Sampler

Pri Eff Sampler

Aeration Sampler

Demineralization Reclaimed Water Wetwell

Diversion Structure

Effluent Drop Structure

Point Loma Plant

Plant Drain Tank

Waste Drop Structure

Blended Sludge Pump Station

Metro Biosolids Center

Secondary Sampler

DiversionSampler

Plant Drain Sampler

Filter Backwash Waste Tank

Filter Backwash

Sampler

Reclaimed Sampler

-

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 5

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North City Water Reclamation Plant Monthly Totals

Total Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 2459 4615 473 505 512 56319 15707 70659 2861 03 1163 633 3178 02 2198 4311 332 434 343 51902 11413 65088 2562 00 1017 343 3153 03 2607 4731 391 516 918 53849 17235 72289 2863 00 814 612 3513 04 2394 4617 430 520 1169 45317 19006 69392 2834 52 575 718 3452 05 2063 5233 441 549 1515 46062 23554 71476 2740 17 788 633 3476 06 2414 4708 342 489 1897 38628 27349 68506 2579 00 837 785 3456 07 2446 4907 277 531 2278 41664 30966 72875 2965 00 915 702 3890 08 186 6951 259 559 2349 36390 32804 70944 2830 00 753 471 3650 09 76 6640 340 539 2201 36913 28338 67771 2415 00 736 574 3010 10 2442 4913 324 480 991 50626 16145 70957 2706 00 806 347 3226 11 2147 4780 238 482 1148 50697 17318 69489 2666 00 781 387 3380 12 1488 3083 353 300 563 32124 9255 45661 1661 00 532 310 1922

Average 1910 4957 350 492 1324 45041 20758 67926 2640 06 810 543 3276 Total 22919 59488 4200 5902 15883 540491 249090 815107 31682 72 9717 6515 39306

Daily Averages Total

Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 79 149 15 16 17 1817 507 2279 92 00 38 20 103 02 79 154 12 16 12 1854 408 2325 92 00 36 12 113 03 84 153 13 17 30 1737 556 2332 92 00 26 20 113 04 80 154 14 17 39 1511 634 2313 94 02 19 24 115 05 67 169 14 18 49 1486 760 2306 88 01 25 20 112 06 80 157 11 16 63 1288 912 2284 86 00 28 26 115 07 79 158 9 17 73 1344 999 2351 96 00 30 23 125 08 6 224 8 18 76 1174 1058 2289 91 00 24 15 118 09 3 221 11 18 73 1230 945 2259 81 00 25 19 100 10 79 158 10 15 32 1633 521 2289 87 00 26 11 104 11 72 159 8 16 38 1690 577 2316 89 00 26 13 113 12 74 154 18 15 28 1606 463 2283 83 00 27 16 96

Average 65 168 12 17 44 1531 695 2302 89 00 27 18 111

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 6

North City Water Reclamation Plant

(N34-REC WATER) Recycled Water Chlorine Report

N34-REC WATER is compliance point for reclaimed water

Minimum Daily 1

Maximum Daily 2

Time 3

Operations 2010 Chlorine Residual Chlorine Residual CT less than

Date (mgL) (mgL) 450 mg-minl (min)

Jan 517 1550 0

Feb 559 901 0

Mar 712 1130 0

Apr 446 1291 0

May 409 1314 0

Jun 675 1129 0

Jul 591 873 0

Aug 455 702 0

Sep 408 691 0

Oct 519 837 0

Nov 473 863 0

Dec 486 888 0

Total 0 1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

North City Water Reclamation Plant Recycled Water Coliform Report

Tot Coliform Operations (7-day median) 2010 Date (MPN)

Jan lt18

Feb lt18 Mar lt18 Apr lt18 May lt18 Jun lt18 Jul lt18 Aug lt18 Sep lt18 Oct lt18 Nov lt18 Dec lt18

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 7

North City Water Reclamation Plant

Recycled Water Turbidity Report

Data from in-plant meter 4

Average Daily Minimum Daily 1

Maximum Daily 2

Time Over 3

Operations 2010

Turbidity Turbidity Turbidity 5 NTUs

Date (NTU) (NTU) (NTU) (MINUTES)

Jan 057 046 113 000

Feb 044 037 066 000

Mar 042 035 067 000

Apr 054 044 085 000

May 048 038 078 000

Jun 037 033 099 000

Jul 022 020 037 000

Aug 023 020 039 000

Sep 023 020 048 000

Oct 025 021 070 000

Nov 020 017 052 000

Dec 020 018 037 000

Average 035 Total 000

1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

4 Compliance monitoring point values taken from the combined filter effluent turbidity meter (N25AIT673) or (N25AIT674)

located at meter room of Area 25 (Tertiary Filter Structures)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 8

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 8: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

NCWRP Sampling Schematic

Filter Backw ash

Primary SludgeWaste Sludge

Secondary Scum

Filter BW Waste

Centrate

Bypass

422009

Influent Pump Station

Primary Sedimentation

Aeration Secondary Clarification

Filtration

Inf PS Sampler

Screening

Grit Removal

Penasquitos Pump Station

Penasq Sampler

Pri Eff Sampler

Aeration Sampler

Demineralization Reclaimed Water Wetwell

Diversion Structure

Effluent Drop Structure

Point Loma Plant

Plant Drain Tank

Waste Drop Structure

Blended Sludge Pump Station

Metro Biosolids Center

Secondary Sampler

DiversionSampler

Plant Drain Sampler

Filter Backwash Waste Tank

Filter Backwash

Sampler

Reclaimed Sampler

-

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 5

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

-------- -------- -------- --------- ------- -------- -------- -------- -------- -------- -------- -------- --------

North City Water Reclamation Plant Monthly Totals

Total Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 2459 4615 473 505 512 56319 15707 70659 2861 03 1163 633 3178 02 2198 4311 332 434 343 51902 11413 65088 2562 00 1017 343 3153 03 2607 4731 391 516 918 53849 17235 72289 2863 00 814 612 3513 04 2394 4617 430 520 1169 45317 19006 69392 2834 52 575 718 3452 05 2063 5233 441 549 1515 46062 23554 71476 2740 17 788 633 3476 06 2414 4708 342 489 1897 38628 27349 68506 2579 00 837 785 3456 07 2446 4907 277 531 2278 41664 30966 72875 2965 00 915 702 3890 08 186 6951 259 559 2349 36390 32804 70944 2830 00 753 471 3650 09 76 6640 340 539 2201 36913 28338 67771 2415 00 736 574 3010 10 2442 4913 324 480 991 50626 16145 70957 2706 00 806 347 3226 11 2147 4780 238 482 1148 50697 17318 69489 2666 00 781 387 3380 12 1488 3083 353 300 563 32124 9255 45661 1661 00 532 310 1922

Average 1910 4957 350 492 1324 45041 20758 67926 2640 06 810 543 3276 Total 22919 59488 4200 5902 15883 540491 249090 815107 31682 72 9717 6515 39306

Daily Averages Total

Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 79 149 15 16 17 1817 507 2279 92 00 38 20 103 02 79 154 12 16 12 1854 408 2325 92 00 36 12 113 03 84 153 13 17 30 1737 556 2332 92 00 26 20 113 04 80 154 14 17 39 1511 634 2313 94 02 19 24 115 05 67 169 14 18 49 1486 760 2306 88 01 25 20 112 06 80 157 11 16 63 1288 912 2284 86 00 28 26 115 07 79 158 9 17 73 1344 999 2351 96 00 30 23 125 08 6 224 8 18 76 1174 1058 2289 91 00 24 15 118 09 3 221 11 18 73 1230 945 2259 81 00 25 19 100 10 79 158 10 15 32 1633 521 2289 87 00 26 11 104 11 72 159 8 16 38 1690 577 2316 89 00 26 13 113 12 74 154 18 15 28 1606 463 2283 83 00 27 16 96

Average 65 168 12 17 44 1531 695 2302 89 00 27 18 111

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 6

North City Water Reclamation Plant

(N34-REC WATER) Recycled Water Chlorine Report

N34-REC WATER is compliance point for reclaimed water

Minimum Daily 1

Maximum Daily 2

Time 3

Operations 2010 Chlorine Residual Chlorine Residual CT less than

Date (mgL) (mgL) 450 mg-minl (min)

Jan 517 1550 0

Feb 559 901 0

Mar 712 1130 0

Apr 446 1291 0

May 409 1314 0

Jun 675 1129 0

Jul 591 873 0

Aug 455 702 0

Sep 408 691 0

Oct 519 837 0

Nov 473 863 0

Dec 486 888 0

Total 0 1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

North City Water Reclamation Plant Recycled Water Coliform Report

Tot Coliform Operations (7-day median) 2010 Date (MPN)

Jan lt18

Feb lt18 Mar lt18 Apr lt18 May lt18 Jun lt18 Jul lt18 Aug lt18 Sep lt18 Oct lt18 Nov lt18 Dec lt18

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 7

North City Water Reclamation Plant

Recycled Water Turbidity Report

Data from in-plant meter 4

Average Daily Minimum Daily 1

Maximum Daily 2

Time Over 3

Operations 2010

Turbidity Turbidity Turbidity 5 NTUs

Date (NTU) (NTU) (NTU) (MINUTES)

Jan 057 046 113 000

Feb 044 037 066 000

Mar 042 035 067 000

Apr 054 044 085 000

May 048 038 078 000

Jun 037 033 099 000

Jul 022 020 037 000

Aug 023 020 039 000

Sep 023 020 048 000

Oct 025 021 070 000

Nov 020 017 052 000

Dec 020 018 037 000

Average 035 Total 000

1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

4 Compliance monitoring point values taken from the combined filter effluent turbidity meter (N25AIT673) or (N25AIT674)

located at meter room of Area 25 (Tertiary Filter Structures)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 8

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

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2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 9: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

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North City Water Reclamation Plant Monthly Totals

Total Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 2459 4615 473 505 512 56319 15707 70659 2861 03 1163 633 3178 02 2198 4311 332 434 343 51902 11413 65088 2562 00 1017 343 3153 03 2607 4731 391 516 918 53849 17235 72289 2863 00 814 612 3513 04 2394 4617 430 520 1169 45317 19006 69392 2834 52 575 718 3452 05 2063 5233 441 549 1515 46062 23554 71476 2740 17 788 633 3476 06 2414 4708 342 489 1897 38628 27349 68506 2579 00 837 785 3456 07 2446 4907 277 531 2278 41664 30966 72875 2965 00 915 702 3890 08 186 6951 259 559 2349 36390 32804 70944 2830 00 753 471 3650 09 76 6640 340 539 2201 36913 28338 67771 2415 00 736 574 3010 10 2442 4913 324 480 991 50626 16145 70957 2706 00 806 347 3226 11 2147 4780 238 482 1148 50697 17318 69489 2666 00 781 387 3380 12 1488 3083 353 300 563 32124 9255 45661 1661 00 532 310 1922

Average 1910 4957 350 492 1324 45041 20758 67926 2640 06 810 543 3276 Total 22919 59488 4200 5902 15883 540491 249090 815107 31682 72 9717 6515 39306

Daily Averages Total

Penas- Plant Disinfect FES WAS WAS Sludge quitos Pump 64 Drain Final Reclaim Filter Primary Primary Hi Cap Lo Cap Filter Flow

Influent Influent Influent Effluent Water N Return Effluent Effluent Sludge sludge sludge Backwash to MBC Month (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD) (MGD)

01 79 149 15 16 17 1817 507 2279 92 00 38 20 103 02 79 154 12 16 12 1854 408 2325 92 00 36 12 113 03 84 153 13 17 30 1737 556 2332 92 00 26 20 113 04 80 154 14 17 39 1511 634 2313 94 02 19 24 115 05 67 169 14 18 49 1486 760 2306 88 01 25 20 112 06 80 157 11 16 63 1288 912 2284 86 00 28 26 115 07 79 158 9 17 73 1344 999 2351 96 00 30 23 125 08 6 224 8 18 76 1174 1058 2289 91 00 24 15 118 09 3 221 11 18 73 1230 945 2259 81 00 25 19 100 10 79 158 10 15 32 1633 521 2289 87 00 26 11 104 11 72 159 8 16 38 1690 577 2316 89 00 26 13 113 12 74 154 18 15 28 1606 463 2283 83 00 27 16 96

Average 65 168 12 17 44 1531 695 2302 89 00 27 18 111

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 6

North City Water Reclamation Plant

(N34-REC WATER) Recycled Water Chlorine Report

N34-REC WATER is compliance point for reclaimed water

Minimum Daily 1

Maximum Daily 2

Time 3

Operations 2010 Chlorine Residual Chlorine Residual CT less than

Date (mgL) (mgL) 450 mg-minl (min)

Jan 517 1550 0

Feb 559 901 0

Mar 712 1130 0

Apr 446 1291 0

May 409 1314 0

Jun 675 1129 0

Jul 591 873 0

Aug 455 702 0

Sep 408 691 0

Oct 519 837 0

Nov 473 863 0

Dec 486 888 0

Total 0 1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

North City Water Reclamation Plant Recycled Water Coliform Report

Tot Coliform Operations (7-day median) 2010 Date (MPN)

Jan lt18

Feb lt18 Mar lt18 Apr lt18 May lt18 Jun lt18 Jul lt18 Aug lt18 Sep lt18 Oct lt18 Nov lt18 Dec lt18

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 7

North City Water Reclamation Plant

Recycled Water Turbidity Report

Data from in-plant meter 4

Average Daily Minimum Daily 1

Maximum Daily 2

Time Over 3

Operations 2010

Turbidity Turbidity Turbidity 5 NTUs

Date (NTU) (NTU) (NTU) (MINUTES)

Jan 057 046 113 000

Feb 044 037 066 000

Mar 042 035 067 000

Apr 054 044 085 000

May 048 038 078 000

Jun 037 033 099 000

Jul 022 020 037 000

Aug 023 020 039 000

Sep 023 020 048 000

Oct 025 021 070 000

Nov 020 017 052 000

Dec 020 018 037 000

Average 035 Total 000

1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

4 Compliance monitoring point values taken from the combined filter effluent turbidity meter (N25AIT673) or (N25AIT674)

located at meter room of Area 25 (Tertiary Filter Structures)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 8

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 10: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

North City Water Reclamation Plant

(N34-REC WATER) Recycled Water Chlorine Report

N34-REC WATER is compliance point for reclaimed water

Minimum Daily 1

Maximum Daily 2

Time 3

Operations 2010 Chlorine Residual Chlorine Residual CT less than

Date (mgL) (mgL) 450 mg-minl (min)

Jan 517 1550 0

Feb 559 901 0

Mar 712 1130 0

Apr 446 1291 0

May 409 1314 0

Jun 675 1129 0

Jul 591 873 0

Aug 455 702 0

Sep 408 691 0

Oct 519 837 0

Nov 473 863 0

Dec 486 888 0

Total 0 1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

North City Water Reclamation Plant Recycled Water Coliform Report

Tot Coliform Operations (7-day median) 2010 Date (MPN)

Jan lt18

Feb lt18 Mar lt18 Apr lt18 May lt18 Jun lt18 Jul lt18 Aug lt18 Sep lt18 Oct lt18 Nov lt18 Dec lt18

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 7

North City Water Reclamation Plant

Recycled Water Turbidity Report

Data from in-plant meter 4

Average Daily Minimum Daily 1

Maximum Daily 2

Time Over 3

Operations 2010

Turbidity Turbidity Turbidity 5 NTUs

Date (NTU) (NTU) (NTU) (MINUTES)

Jan 057 046 113 000

Feb 044 037 066 000

Mar 042 035 067 000

Apr 054 044 085 000

May 048 038 078 000

Jun 037 033 099 000

Jul 022 020 037 000

Aug 023 020 039 000

Sep 023 020 048 000

Oct 025 021 070 000

Nov 020 017 052 000

Dec 020 018 037 000

Average 035 Total 000

1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

4 Compliance monitoring point values taken from the combined filter effluent turbidity meter (N25AIT673) or (N25AIT674)

located at meter room of Area 25 (Tertiary Filter Structures)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 8

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 11: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

North City Water Reclamation Plant

Recycled Water Turbidity Report

Data from in-plant meter 4

Average Daily Minimum Daily 1

Maximum Daily 2

Time Over 3

Operations 2010

Turbidity Turbidity Turbidity 5 NTUs

Date (NTU) (NTU) (NTU) (MINUTES)

Jan 057 046 113 000

Feb 044 037 066 000

Mar 042 035 067 000

Apr 054 044 085 000

May 048 038 078 000

Jun 037 033 099 000

Jul 022 020 037 000

Aug 023 020 039 000

Sep 023 020 048 000

Oct 025 021 070 000

Nov 020 017 052 000

Dec 020 018 037 000

Average 035 Total 000

1 Minimum Daily value is the average recorded for the month

2 Maximum Daily value is the average recorded value for the month

3 Total time for the month

4 Compliance monitoring point values taken from the combined filter effluent turbidity meter (N25AIT673) or (N25AIT674)

located at meter room of Area 25 (Tertiary Filter Structures)

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 8

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 12: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

North City Reclamation Plant Monthly Monitoring Report Annual Monitoring Report

2010

(N34-REC) Reclaimed Water - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended pH Demand Solids Solids Solids Grab

MDLUnits 2 MGL 28 MGL 14 MGL 16 MGL (pH) ============== =========== =========== =========== =========== =========== JANUARY -2010 ND 895 ND ND 705 FEBRUARY -2010 ND 891 ND ND 717 MARCH -2010 ND 892 ND ND 705 APRIL -2010 ND 882 ND ND 712 MAY -2010 ND 920 lt14 lt16 721 JUNE -2010 lt2 942 ND ND 709 JULY -2010 ND 904 ND ND 699 AUGUST -2010 lt2 897 ND ND 701 SEPTEMBER-2010 lt2 890 ND ND 700 OCTOBER -2010 ND 862 ND ND 708 NOVEMBER -2010 ND 857 ND ND 693 DECEMBER -2010 ND 846 ND ND 702 ============== =========== =========== =========== =========== =========== Average 0 890 0 0 706 Maximum 0 942 0 0 721 Minimum 0 846 0 0 693

(N01-PS-INF) Pump Station 64 Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 230 1160 210 187 116 760 FEBRUARY -2010 204 1130 218 195 101 758 MARCH -2010 220 1170 211 188 120 765 APRIL -2010 252 1100 224 202 117 761 MAY -2010 267 1100 222 199 123 758 JUNE -2010 259 1130 231 206 127 760 JULY -2010 246 1120 226 202 133 758 AUGUST -2010 255 1030 250 220 132 742 SEPTEMBER-2010 265 982 244 214 130 746 OCTOBER -2010 232 1060 223 200 119 751 NOVEMBER -2010 221 1050 204 183 119 744 DECEMBER -2010 243 1060 219 192 122 754 ============== =========== =========== =========== =========== =========== =========== Average 241 1091 224 199 122 755 Maximum 267 1170 250 220 133 765 Minimum 204 982 204 183 101 742

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 9

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 13: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

North City Reclamation Plant Annual Monitoring Report Annual Monitoring Report

2010

(N01-PEN) Penasquitos Pump Station Influent - Daily Parameters

Biochemical Total Total Volatile Oxygen Dissolved Suspended Suspended Turbidity pH Demand Solids Solids Solids COMPOSITE (mgL) (mgL) (mgL) (mgL) (NTU) (pH)

============== =========== =========== =========== =========== =========== =========== JANUARY -2010 269 958 366 293 145 754 FEBRUARY -2010 232 988 322 271 128 746 MARCH -2010 254 981 325 273 133 754 APRIL -2010 300 948 311 267 124 758 MAY -2010 259 889 328 276 136 756 JUNE -2010 256 920 358 303 126 753 JULY -2010 243 870 336 277 133 750 AUGUST -2010 292 883 300 257 143 757 SEPTEMBER-2010 517 918 861 484 165 743 OCTOBER -2010 248 848 336 280 146 745 NOVEMBER -2010 248 853 339 291 130 750 DECEMBER -2010 319 851 350 288 134 757 ============== =========== =========== =========== =========== =========== =========== Average 286 909 378 297 137 752 Maximum 517 988 861 484 165 758 Minimum 232 848 300 257 124 743

All samples are 24-hour composite NA= Not Analyzed NS= Not Sampled ND= Not Detected

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

BO

Dm

gL

Month

Biochemical Oxygen Demand

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 10

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 14: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

North City Water Reclamation Plant Annual Monitoring Report

2010

0

200

400

600

800

1000

1200

1400

TD

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Dissolved Solids

N01-PEN

N01-PS_INF

N34-REC

Oct Nov Dec

0

100

200

300

400

500

600

700

800

900

1000

TS

Sm

gL

Jan Feb Mar Apr May Jun Jul Aug Sep

Month

Total Suspended Solids

Oct Nov Dec

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 11

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 15: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

North City Water Reclamation Plant Annual Monitoring Report

2010

0

100

200

300

400

500

600

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

VS

Sm

gL

Month

Volatile Suspended Solids

N01-PEN

N01-PS_INF

N34-REC

64

66

68

7

72

74

76

78

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

pH

Month

pH

N01-PEN

N01-PS_INF

N34-REC

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 12

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

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2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 16: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

North City Water Reclamation Plant Annual Monitoring Report

2010

0

20

40

60

80

100

120

140

160

180

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

NT

U

Month

Turbidity

N01-PEN

N01-PS_INF

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 13

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 17: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7 Units UGL UGL UGL UGL UGL UGL Limit 1000 6 50 1000 4 700 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 78 ND 045 322 ND 337 FEBRUARY -2010 94 ND 050 323 ND 355 MARCH -2010 146 ND 040 309 ND 294 APRIL -2010 103 ND ND 288 ND 329 MAY -2010 109 ND 055 273 ND 387 JUNE -2010 90 ND 049 360 ND 341 JULY -2010 77 ND 057 325 ND 375 AUGUST -2010 105 ND 066 442 ND 379 SEPTEMBER-2010 117 ND 113 484 ND 331 OCTOBER -2010 103 ND 068 282 ND 342 NOVEMBER -2010 114 ND 045 366 0016 328 DECEMBER -2010 53 ND 073 365 ND 314 =============== ============= ============= ============= ============= ============= ============= Annual Average 99 ND 055 345 0002 343

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL Limit 5 50 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND ND 62 117 ND FEBRUARY -2010 ND ND ND 85 101 ND MARCH -2010 ND ND ND 158 108 ND APRIL -2010 ND ND ND 58 135 ND MAY -2010 ND lt12 ND 54 141 ND JUNE -2010 ND ND ND 42 133 ND JULY -2010 lt05 15 ND 96 57 lt200 AUGUST -2010 ND ND ND 68 50 ND SEPTEMBER-2010 ND lt12 ND 187 62 ND OCTOBER -2010 ND ND ND 229 110 ND NOVEMBER -2010 ND ND ND 88 68 ND DECEMBER -2010 ND ND ND 112 lt37 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 00 0125 ND 103 90 000

Analyte Manganese Mercury Molybdenum Nickel Selenium Silver MDL 24 09 89 53 28 4 Units UGL UGL UGL UGL UGL UGL Limit 50 2 100 50 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 89 ND 59 67 099 ND FEBRUARY -2010 39 ND 60 80 091 ND MARCH -2010 57 ND 60 85 094 lt040 APRIL -2010 72 ND 63 64 079 ND MAY -2010 70 ND 61 65 059 ND JUNE -2010 61 ND 55 49 088 ND JULY -2010 59 ND 63 52 062 ND AUGUST -2010 67 ND 68 36 076 ND SEPTEMBER-2010 38 ND 66 45 072 ND OCTOBER -2010 57 ND 60 69 054 ND NOVEMBER -2010 61 ND 59 52 051 ND DECEMBER -2010 56 ND 65 51 065 ND =============== ============= ============= ============= ============= ============= ============= Annual Average 61 ND 62 60 074 000

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 14

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 18: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

1

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Thallium Vanadium Zinc Calcium Lithium Magnesium MDL 39 64 25 04 002 Units UGL UGL UGL MGL MGL MGL Limit 2 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND ND 269 575 004 247 FEBRUARY -2010 ND 069 214 657 004 301 MARCH -2010 ND ND 170 755 004 332 APRIL -2010 ND lt064 153 616 004 271 MAY -2010 ND lt064 188 645 003 298 JUNE -2010 ND ND 207 680 004 296 JULY -2010 ND ND 233 638 004 287 AUGUST -2010 ND ND 377 677 005 299 SEPTEMBER-2010 ND 089 501 639 004 280 OCTOBER -2010 ND lt064 337 635 004 282 NOVEMBER -2010 ND ND 347 693 004 309 DECEMBER -2010 ND lt064 338 631 004 285 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 013 278 653 004 291

Analyte Potassium Sodium Calcium Magnesium Total Total MDL 3 1 Hardness Hardness Hardness Alkalinity Units MGL MGL 04 MGL 1 MGL 1 MGL MGL Limit =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 134 190 144 101 245 139 FEBRUARY -2010 136 181 164 123 287 92 MARCH -2010 147 196 189 136 325 100 APRIL -2010 142 172 154 111 265 80 MAY -2010 165 195 161 122 283 115 JUNE -2010 163 195 170 121 291 121 JULY -2010 163 186 160 118 278 114 AUGUST -2010 172 191 169 123 292 115 SEPTEMBER-2010 169 185 160 115 275 100 OCTOBER -2010 162 184 159 116 275 99 NOVEMBER -2010 163 185 173 127 300 109 DECEMBER -2010 156 175 158 117 275 106 =============== ============= ============= ============= ============= ============= ============= Annual Average 156 186 163 119 283 108

Analyte Chloride Fluoride Nitrate Sulfate Ortho Phosphate MBAS MDL 7 05 04 9 2 (surfactants) Units MGL MGL MGL MGL MGL MGL Limit 300 1 300 =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 238 046 304 221 216 018 FEBRUARY -2010 234 051 907 253 435 026 MARCH -2010 219 060 557 248 477 023 APRIL -2010 231 051 493 219 170 019 MAY -2010 242 048 400 216 507 029 JUNE -2010 234 038 438 214 550 019 JULY -2010 239 039 465 205 642 020 AUGUST -2010 233 043 414 219 592 017 SEPTEMBER-2010 228 043 461 204 578 018 OCTOBER -2010 243 043 436 193 510 019 NOVEMBER -2010 233 035 433 199 581 012 DECEMBER -2010 227 040 455 196 546 013 =============== ============= ============= ============= ============= ============= ============= Annual Average 233 045 480 216 484 019

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 15

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 19: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

NORTH CITY WATER RECLAMATION PLANT (N34-REC) Reclaimed Water- MonthlyAnnual Averages

From 01-JAN-2010 to 31-DEC-2010

Calculated Total Total Calculated Sodium Adjusted Total Dissolved

Analyte Organic Carbon Percent Sodium Adsorption Cyanides Solids MDL 03 002 28 Units MGL MGL MGL MGL Limit 6 02 1200 =============== ============= ============= ============= ============= ============= JANUARY -2010 82 61 54 ND 895 FEBRUARY -2010 76 57 47 0005 891 MARCH -2010 80 55 49 ND 892 APRIL -2010 76 57 42 0003 882 MAY -2010 95 58 49 ND 920 JUNE -2010 89 58 50 0004 942 JULY -2010 90 58 48 0005 904 AUGUST -2010 83 57 48 0004 897 SEPTEMBER-2010 84 58 48 0004 890 OCTOBER -2010 86 57 47 0009 862 NOVEMBER -2010 69 56 47 0003 857 DECEMBER -2010 66 56 45 ND 846 =============== ============= ============= ============= ============= ============= Annual Average 81 57 48 0003 890

MDLs listed are the maximum MDL for the past 12 months

ND= Not Detected NA= Not Analyzed NS= Not Sampled

Note This result was determined outside of holding time The result is not used in calculation of annual average value

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 16

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 20: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

7

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 657 ND 05 107 lt0022 300 FEBRUARY -2010 707 ND 11 110 lt0022 339 MARCH -2010 716 ND 12 118 lt0022 314 APRIL -2010 611 ND 07 111 ND 335 MAY -2010 549 ND 12 92 ND 345 JUNE -2010 645 ND 07 106 ND 315 JULY -2010 602 ND 06 97 ND 377 AUGUST -2010 800 ND 08 93 ND 358 SEPTEMBER-2010 1240 ND 21 102 ND 345 OCTOBER -2010 715 ND 07 91 0027 307 NOVEMBER -2010 624 ND 07 97 lt0022 332 DECEMBER -2010 516 ND 09 96 ND 317 =============== ============= ============= ============= ============= ============= ============= Annual Average 699 ND 09 102 0002 332

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2 Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 22 102 131 540 26 FEBRUARY -2010 ND 23 ND 123 498 ND MARCH -2010 ND 19 ND 112 778 lt20 APRIL -2010 ND 21 ND 115 963 23 MAY -2010 ND 25 ND 122 596 lt20 JUNE -2010 ND 33 ND 121 844 lt20 JULY -2010 ND 37 ND 124 563 lt20 AUGUST -2010 ND 23 lt085 116 472 lt20 SEPTEMBER-2010 ND 30 ND 148 657 lt20 OCTOBER -2010 ND 34 ND 134 674 ND NOVEMBER -2010 ND 18 ND 128 424 ND DECEMBER -2010 ND 32 lt085 126 453 lt20 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 26 009 125 622 04

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28 Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0055 110 012 756 34 209 FEBRUARY -2010 0050 120 045 877 45 229 MARCH -2010 0052 112 ND 950 43 217 APRIL -2010 0059 114 033 807 56 172 MAY -2010 0040 120 010 835 51 259 JUNE -2010 0054 113 ND 858 49 188 JULY -2010 0049 115 005 1560 63 164 AUGUST -2010 0054 101 ND 1070 56 179 SEPTEMBER-2010 0046 108 ND 1180 64 169 OCTOBER -2010 0045 121 005 939 68 122 NOVEMBER -2010 0051 124 005 1230 50 169 DECEMBER -2010 0048 138 006 884 45 153 =============== ============= ============= ============= ============= ============= ============= Annual Average 0050 116 010 10 52 186

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 17

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 21: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

NORTH CITY WATER RECLAMATION PLANT (N01-PS_INF) Pump Station 64 Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1 Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 10 lt39 064 135 930 395 FEBRUARY -2010 13 ND 095 142 866 387 MARCH -2010 37 ND 104 127 967 428 APRIL -2010 11 ND 130 130 936 406 MAY -2010 13 ND ND 337 835 383 JUNE -2010 18 lt39 ND 145 956 407 JULY -2010 15 ND ND 140 925 414 AUGUST -2010 08 ND 111 133 846 376 SEPTEMBER-2010 07 ND 167 166 847 366 OCTOBER -2010 14 ND 110 136 848 385 NOVEMBER -2010 12 ND lt064 132 895 403 DECEMBER -2010 18 ND lt064 126 843 380 =============== ============= ============= ============= ============= ============= ============= Annual Average 15 00 065 154 891 394

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids MDL 3 1 7 05 300 28 Units MGL MGL MGL MGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 199 208 NR NR NR 1160 FEBRUARY -2010 181 197 311 060 288 1130 MARCH -2010 194 225 NR NR NR 1170 APRIL -2010 200 207 NR NR NR 1100 MAY -2010 218 214 296 048 207 1100 JUNE -2010 218 225 NR NR NR 1130 JULY -2010 224 239 NR NR NR 1120 AUGUST -2010 211 223 299 053 231 1030 SEPTEMBER-2010 215 208 NR NR NR 982 OCTOBER -2010 220 212 302 028 224 1060 NOVEMBER -2010 203 216 NR NR NR 1050 DECEMBER -2010 197 209 NR NR NR 1030 =============== ============= ============= ============= ============= ============= ============= Annual Average 207 215 302 047 238 10885

Total Analyte Cyanides MDL 002 Units MGL =============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 0003 APRIL -2010 0003 MAY -2010 0002 JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 ND OCTOBER -2010 0002 NOVEMBER -2010 ND DECEMBER -2010 ND =============== ============= Annual Average 0001

ND= Not Detected NA= Not Analyzed NS= Not Sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 18

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 22: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Aluminum Antimony Arsenic Barium Beryllium Boron MDL 47 29 4 039 022 7

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 2380 ND 181 139 010 312 FEBRUARY -2010 902 ND 170 99 015 325 MARCH -2010 935 ND 166 110 008 292 APRIL -2010 1120 ND 108 112 ND 310 MAY -2010 2290 ND 301 89 ND 343 JUNE -2010 2990 ND 212 103 008 306 JULY -2010 2150 ND 259 89 ND 351 AUGUST -2010 623 ND 101 80 ND 318 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 2300 ND 198 84 ND 314 NOVEMBER -2010 2320 ND 261 99 003 303 DECEMBER -2010 1420 ND 193 87 ND 319 =============== ============= ============= ============= ============= ============= ============= Annual Average 1766 ND 195 99 004 318

Analyte Cadmium Chromium Cobalt Copper Iron Lead MDL 53 12 85 2 37 2

Units UGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 ND 145 201 153 17900 34 FEBRUARY -2010 ND 232 217 88 10400 ND MARCH -2010 ND 149 124 122 12200 36 APRIL -2010 ND 109 130 105 10000 33 MAY -2010 ND 87 lt085 98 4930 ND JUNE -2010 ND 99 ND 104 10500 20 JULY -2010 ND 93 108 89 6740 33 AUGUST -2010 ND 34 ND 84 1420 22 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 ND 82 302 105 13500 ND NOVEMBER -2010 ND 134 104 131 9730 lt20 DECEMBER -2010 ND 149 102 105 7040 33 =============== ============= ============= ============= ============= ============= ============= Annual Average ND 119 117 108 9487 19

Analyte Lithium Manganese Mercury Molybdenum Nickel Selenium MDL 002 24 09 89 53 28

Units MGL UGL UGL UGL UGL UGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 0049 136 ND 1490 207 138 FEBRUARY -2010 0046 103 ND 1790 430 188 MARCH -2010 0047 98 ND 1460 263 164 APRIL -2010 0052 99 ND 1100 183 142 MAY -2010 0035 113 018 1070 117 171 JUNE -2010 0047 113 023 1770 126 156 JULY -2010 0043 103 009 804 96 148 AUGUST -2010 0046 57 ND 785 53 140 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 0039 166 002 1030 99 100 NOVEMBER -2010 0046 123 009 1130 153 142 DECEMBER -2010 0041 101 014 1970 139 167 =============== ============= ============= ============= ============= ============= ============= Annual Average 0045 110 007 1309 170 151

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 19

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 23: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

NORTH CITY WATER RECLAMATION PLANT (N01-PEN) Penasquitos Influent - Annual Averages

From 01-JAN-2010 to 31-DEC-2010

Analyte Silver Thallium Vanadium Zinc Calcium Magnesium MDL 4 39 64 25 04 1

Units UGL UGL UGL UGL MGL MGL =============== ============= ============= ============= ============= ============= ============= JANUARY -2010 047 ND 472 161 839 353 FEBRUARY -2010 054 ND 415 136 833 380 MARCH -2010 106 ND 410 133 927 437 APRIL -2010 050 ND 428 145 894 395 MAY -2010 058 ND 417 136 747 356 JUNE -2010 045 ND 400 144 843 374 JULY -2010 062 lt390 309 137 779 351 AUGUST -2010 041 ND 315 133 728 330 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 106 ND 494 139 690 311 NOVEMBER -2010 086 ND 471 160 758 341 DECEMBER -2010 318 ND 447 141 722 337 =============== ============= ============= ============= ============= ============= ============= Annual Average 088 000 416 142 796 360

Total Analyte Potassium Sodium Chloride Fluoride Sulfate Dissolved Solids

MDL 3 1 7 05 9 28 Units MGL MGL MGL MGL MGL MGL

=============== ============= ============= ============= ============= ============= ============= JANUARY -2010 190 169 NR NR NR 958 FEBRUARY -2010 171 174 242 068 281 988 MARCH -2010 177 201 NR NR NR 981 APRIL -2010 183 176 NR NR NR 948 MAY -2010 191 170 207 051 183 889 JUNE -2010 191 184 NR NR NR 920 JULY -2010 193 177 NR NR NR 870 AUGUST -2010 183 164 190 066 185 883 SEPTEMBER-2010 NA NA NA NA NA NA OCTOBER -2010 193 159 213 041 195 848 NOVEMBER -2010 188 170 NR NR NR 853 DECEMBER -2010 182 171 NR NR NR 892 =============== ============= ============= ============= ============= ============= ============= Annual Average 186 174 213 057 211 9123

Total Analyte Cyanides

MDL 002 Units MGL

=============== ============= JANUARY -2010 ND FEBRUARY -2010 ND MARCH -2010 ND APRIL -2010 ND MAY -2010 ND JUNE -2010 ND JULY -2010 ND AUGUST -2010 ND SEPTEMBER-2010 NA OCTOBER -2010 ND NOVEMBER -2010 0002 DECEMBER -2010 ND =============== ============= Annual Average 0000

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required = No Penasquitos pump station flow between Sept 1 ndash Sept 28

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 20

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

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2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 24: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

Annual Pretreatment Program Sludge Analysis

2010 Annual Pretreatment Program Sludge Analysis (QUARTERLY SLUDGE PROJECT)

POINT LOMA WASTEWATER TREATMENT PLANT ORDER NO R9-2009-001

NPDES PERMIT NO CA0107409

The Quarterly Sludge Project is part of the Pt Loma WWTP NPDES (Permit No CA0107409Order No R9-2010-001) monitoring requirements The sampling plan is designed so as to provide a ldquosnapshotrdquo of all of the physical and chemical characteristics monitored of the wastewater treatment waste streams for a short interval of time (1-2 days) This is conducted quarterly

The Quarterly Sludge Project was conducted 4 times during 2010 composite and grab samples were taken in February May August and October

The North City Reclamation Water Plant is included in the Pre-treatment monitoring program and data from that aspect of the program is reported in the following section The plant primary influents (N01-PS_INF and N01-PEN) Primary effluent (N10-EFF) and reclaimed water (N34-REC WATER) were sampled For influent and effluent samples automatic refrigerated samplers are composited over a 24 hour period

pH Grease amp Oils temperature and conductivity are determined from grab samples

Abbreviations NCWRP North City Water Reclamation Plant

N01-PS_INF NCWRP influent from pump station 64

N01-PEN NCWRP Penasquitos influent

N34-REC WATER NCWRP reclaimed water

N10-EFF NCWRP Primary effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 21

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 25: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504408 P515410 P524968 P533525 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 722 614 500 640 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 122 079 072 Barium 039 UGL 108 79 88 96 Beryllium 022 UGL ND ND ND lt0022 Boron 7 UGL 342 363 353 341 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 21 25 15 28 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 1270 1200 1050 1560 Iron 37 UGL 602 703 468 617 Lead 2 UGL ND ND ND ND Manganese 24 UGL 12100 12500 9940 13000 Mercury 09 UGL 045 010 ND 005 Molybdenum 89 UGL 83 70 98 104 Nickel 53 UGL 48 53 44 78 Selenium 28 UGL 229 259 179 122 Silver 4 UGL 11 12 10 17 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 ND 09 12 Zinc 25 UGL 1470 1480 1210 1430 Total Kjeldahl Nitrogen 16 MGL 480 541 551 563 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 87 84 85 85 Lithium 002 MGL 0050 0040 0054 0045 Magnesium 1 MGL 39 38 38 39 Potassium 3 MGL 18 22 21 22 Sodium 1 MGL 197 214 223 212 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 216 209 211 212 Magnesium Hardness 4 MGL 159 158 155 159 Total Hardness 4 MGL 376 366 366 370 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 062 064 048 052 Chloride 7 MGL 311 296 299 302 Fluoride 05 MGL 060 048 053 028 Nitrate 04 MGL 010 017 014 ND Ortho Phosphate 2 MGL 882 1020 1020 929 Sulfate 9 MGL 288 207 231 224 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND 0002 ND 0002 Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 075 207 401 096 Ammonia-N 3 MGL 359 404 418 412

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 22

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 26: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N01-PEN N01-PEN N01-PEN N01-PEN Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504413 P515415 P524973 P533530 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 1120 2420 623 1610 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 170 301 101 198 Barium 039 UGL 95 81 80 77 Beryllium 022 UGL 005 ND ND ND Boron 7 UGL 324 350 318 330 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 96 65 34 79 Cobalt 85 UGL 166 096 ND ND Copper 2 UGL 722 979 843 1110 Iron 37 UGL 9150 3510 1420 13700 Lead 2 UGL ND ND 2 ND Manganese 24 UGL 10100 11500 5660 16900 Mercury 09 UGL ND 018 ND 002 Molybdenum 89 UGL 123 91 79 110 Nickel 53 UGL 272 94 53 102 Selenium 28 UGL 188 171 140 100 Silver 4 UGL 06 06 04 07 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 40 43 32 33 Zinc 25 UGL 1300 1350 1330 1380 Total Kjeldahl Nitrogen 16 MGL 494 467 458 507 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 83 75 73 69 Lithium 002 MGL 0046 0035 0046 0039 Magnesium 1 MGL 38 36 33 31 Potassium 3 MGL 17 19 18 19 Sodium 1 MGL 174 170 164 159 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 208 187 182 172 Magnesium Hardness 4 MGL 157 147 136 128 Total Hardness 4 MGL 365 333 317 300 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 032 040 026 021 Chloride 7 MGL 242 207 190 213 Fluoride 05 MGL 068 051 066 041 Nitrate 04 MGL 298 016 761 ND Ortho Phosphate 2 MGL 176 817 1040 067 Sulfate 9 MGL 281 183 185 195 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 363 481 386 274 Ammonia-N 3 MGL 339 349 354 362

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 23

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 36

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 37

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 38

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 39

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 43

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

Page 27: ANNUAL MONITORING REPORT 2010 - San Diego · 2020. 9. 24. · Certified THE CITY OF SAN DIEGO. N. ORTH . C. ITY . W. ATER RECLAMATION. P. LANT. A. NNUAL . M. ONITORING . R. EPORT.

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 To 31-DEC-2010

Source N10-EFF N10-EFF N10-EFF N10-EFF Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504418 P515420 P524978 P533535 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 498 562 363 468 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 110 126 073 096 Barium 039 UGL 86 64 79 67 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 339 368 376 201 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL 28 33 14 32 Cobalt 85 UGL ND ND ND ND Copper 2 UGL 649 715 757 833 Iron 37 UGL 2340 871 465 3110 Lead 2 UGL ND ND ND ND Manganese 24 UGL 10600 11000 9630 12700 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 85 72 96 88 Nickel 53 UGL 96 58 41 56 Selenium 28 UGL 170 139 143 112 Silver 4 UGL ND 06 06 05 Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 09 07 10 ND Zinc 25 UGL 753 775 758 753 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 95 77 82 80 Lithium 002 MGL 0048 0035 0050 0044 Magnesium 1 MGL 43 36 36 36 Potassium 3 MGL 19 20 20 21 Sodium 1 MGL 215 195 204 197 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 238 193 206 199 Magnesium Hardness 4 MGL 178 148 148 148 Total Hardness 4 MGL 417 341 354 348 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL 052 056 047 039 Chloride 7 MGL 285 262 280 275 Fluoride 05 MGL 063 047 055 046 Nitrate 04 MGL ND 016 012 008 Ortho Phosphate 2 MGL 549 918 914 529 Sulfate 9 MGL 288 199 236 214 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL ND ND ND ND Adjusted Sodium Adsorption MGL NR NR NR NR Percent Sodium PERCENT NR NR NR NR Total Organic Carbon MGL NR NR NR NR Sulfides-Total 18 MGL 077 138 028 096 Ammonia-N 3 MGL 337 381 390 407

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 24

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

(Metals from Digestion and Ions from Supernatant)

From 01-JAN-2010 to 31-DEC-2010

Source N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Date 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 Sample ID MDL Units P504423 P515425 P524983 P533540 ========================== ==== ======= ============ ============ ============ ============ Aluminum 47 UGL 98 98 104 115 Antimony 29 UGL ND ND ND ND Arsenic 4 UGL 050 055 066 068 Barium 039 UGL 32 18 36 28 Beryllium 022 UGL ND ND ND ND Boron 7 UGL 361 396 390 352 Cadmium 53 UGL ND ND ND ND Chromium 12 UGL ND ND ND ND Cobalt 85 UGL ND ND ND ND Copper 2 UGL 67 52 54 199 Iron 37 UGL 107 129 52 109 Lead 2 UGL ND ND ND ND Manganese 24 UGL 4560 7210 8500 8290 Mercury 09 UGL ND ND ND ND Molybdenum 89 UGL 61 56 56 62 Nickel 53 UGL 91 61 35 53 Selenium 28 UGL 091 059 076 054 Silver 4 UGL ND ND ND ND Thallium 39 UGL ND ND ND ND Vanadium 64 UGL 07 08 ND ND Zinc 25 UGL 205 137 309 260 Total Kjeldahl Nitrogen 16 MGL ND ND ND ND ========================== ==== ======= ============ ============ ============ ============ Calcium 04 MGL 66 65 68 64 Lithium 002 MGL 0041 0031 0046 0036 Magnesium 1 MGL 30 30 30 28 Potassium 3 MGL 14 17 17 16 Sodium 1 MGL 181 195 191 184 ========================== ==== ======= ============ ============ ============ ============ Calcium Hardness 1 MGL 164 161 169 159 Magnesium Hardness 4 MGL 124 123 123 117 Total Hardness 4 MGL 288 284 292 275 ========================== ==== ======= ============ ============ ============ ============ Bromide 1 MGL ND ND ND ND Chloride 7 MGL 234 248 248 243 Fluoride 05 MGL 051 041 044 043 Nitrate 04 MGL 9070 4070 4360 5100 Ortho Phosphate 2 MGL 435 429 719 510 Sulfate 9 MGL 253 187 220 193 ========================== ==== ======= ============ ============ ============ ============ CyanidesTotal 002 MGL 0005 ND 0004 0009 Adjusted Sodium Adsorption MGL 47 49 48 47 Percent Sodium PERCENT 567 581 570 573 Total Organic Carbon MGL 76 95 83 86 Sulfides-Total 18 MGL ND ND ND ND Ammonia-N 3 MGL 04 ND ND 05

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 25

NORTH CITY WATER RECLAMATION PLANT QUARTERLY SLUDGE PROJECT

Radioactivity

From 01-JAN-2010 to 31-DEC-2010

Source Sample Date Sample ID Gross Alpha Radiation Gross Beta Radiation ============= ============= ========== ==================== ==================== N10-EFF 02-FEB-2010 P504418 46plusmn27 216plusmn49 N10-EFF 04-MAY-2010 P515420 15plusmn21 221plusmn56 N10-EFF 03-AUG-2010 P524978 25plusmn20 258plusmn57 N10-EFF 05-OCT-2010 P533535 31plusmn29 200plusmn66 N01-PS_INF 02-FEB-2010 P504408 33plusmn33 218plusmn58 N01-PS_INF 04-MAY-2010 P515410 08plusmn21 327plusmn75 N01-PS_INF 03-AUG-2010 P524968 86plusmn37 296plusmn74 N01-PS_INF 05-OCT-2010 P533525 18plusmn70 308plusmn180 N01-PEN 02-FEB-2010 P504413 34plusmn22 210plusmn46 N01-PEN 04-MAY-2010 P515415 35plusmn26 216plusmn58 N01-PEN 03-AUG-2010 P524973 39plusmn23 206plusmn46 N01-PEN 05-OCT-2010 P533530 37plusmn30 182plusmn61 N34-REC WATER 02-FEB-2010 P504423 38plusmn19 163plusmn41 N34-REC WATER 04-MAY-2010 P515425 09plusmn15 177plusmn52 N34-REC WATER 03-AUG-2010 P524983 -01plusmn13 134plusmn41 N34-REC WATER 05-OCT-2010 P533540 06plusmn30 174plusmn71

ND= Not Detected NA= Not Analyzed NS= Not Sampled NR= Not Required

Units in picocuries per Liter (pCiL)

N34-REC WATER = NCWRP Reclaimed Water After Mixing N10-EFF = Primary Effluent N01-PS_INF = North City Pump Station Influent (PS 64) N01-PEN = Penasquitos Pump Station Influent N10-PSP COMB = Combined Primary Sludge Pump N15-WAS LCP = Waste Activated Sludge (Low Capacity Pump) N15-WAS HCP = Waste Activated Sludge (High Capacity Pump) N30-DFE = Disinfected Final Effluent

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 26

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

Analytes =============================== Ammonia-N BOD (Biochemical Oxygen Demand) Hexane Extractable Material Chemical Oxygen Demand Conductivity MBAS (Surfactants) pH (grab) Total Alkalinity (bicarbonate) Total Dissolved Solids Total Suspended Solids Volatile Suspended Solids Total Kjeldahl Nitrogen Turbidity Sulfides-Total

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

=== ======== ============== ============== ============== ============== 3 MGL 359 404 418 412 2 MGL 2250 2530 3550 2230 12 MGL 218 342 368 237 18 MGL 655 623 471 567 10 UMHOSCM 2050 2030 2040 1710 03 MGL 82 75 67 66

PH 74 73 73 73 20 MGL 275 283 293 283 28 MGL 1130 1080 1100 1060 14 MGL 2740 2300 2880 2700 16 MGL 2460 2140 2560 2440 16 MGL 480 541 551 563 13 NTU 1100 1200 1300 1200 18 MGL 08 21 40 10

N01-PEN N01-PEN N01-PEN N01-PEN MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 === ======== ============== ============== ============== ============== 3 MGL 339 349 354 362 2 MGL 2190 2120 2260 2250 12 MGL 544 629 588 593 18 MGL 1210 550 394 493 10 UMHOSCM 1860 1730 1670 1660 03 MGL 92 89 50 72

PH 74 74 72 70 20 MGL 292 305 318 274 28 MGL 976 892 872 840 14 MGL 3430 2600 1600 3700 16 MGL 3030 2200 1400 3100 16 MGL 494 467 458 507 13 NTU 1400 1100 1500 1400 18 MGL 36 48 39 27

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 27

North City Water Reclamation Plant Quarterly Sludge Project

January 2010

Physical Parameters

N10-EFF N10-EFF N10-EFF N10-EFF Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 337 381 390 407 BOD (Biochemical Oxygen Demand) 2 MGL 1300 1590 1710 1340 Hexane Extractable Material 12 MGL 340 349 500 391 Chemical Oxygen Demand 18 MGL 332 344 378 357 Conductivity 10 UMHOSCM 1980 1910 1970 2050 MBAS (Surfactants) 03 MGL 80 68 55 64 pH (grab) PH 74 75 74 74 Total Alkalinity (bicarbonate) 20 MGL 269 292 288 271 Total Dissolved Solids 28 MGL 1120 1050 1060 996 Total Suspended Solids 14 MGL 980 700 820 1020 Volatile Suspended Solids 16 MGL 830 600 700 840 Total Kjeldahl Nitrogen 16 MGL 422 468 490 496 Turbidity 13 NTU 770 740 960 830 Sulfides-Total 18 MGL 08 14 03 10

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER Analytes MDL Units 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010 =============================== === ======== ============== ============== ============== ============== Ammonia-N 3 MGL 04 ND ND 05 BOD (Biochemical Oxygen Demand) 2 MGL ND ND ND ND Hexane Extractable Material 12 MGL 29 42 24 43 Chemical Oxygen Demand 18 MGL 20 34 26 46 Conductivity 10 UMHOSCM 1520 1510 1570 1510 MBAS (Surfactants) 03 MGL 03 03 02 02 pH (grab) PH 72 72 71 71 Total Alkalinity (bicarbonate) 20 MGL 92 115 115 99 Total Dissolved Solids 28 MGL 930 892 938 874 Total Suspended Solids 14 MGL ND ND ND ND Volatile Suspended Solids 16 MGL ND ND ND ND Total Kjeldahl Nitrogen 16 MGL ND ND ND ND Total Organic Carbon MGL 76 95 83 86 Turbidity 13 NTU 10 24 08 14 Sulfides-Total 18 MGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 28

North City Water Reclamation Plant Annual Monitoring Report

2010

Organo-Tins

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============ === ===== ============== ============== ============== ============== Tributyltin 2 UGL ND ND ND ND Dibutyltin 7 UGL ND ND ND ND Monobutyltin 16 UGL ND ND ND ND

ND= Not Detected NA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 29

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 30

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 31

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL 7 ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 7 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 7 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 32

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Chlorinated Pesticides

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ========================== ==== ===== ============= ============= ============= ============= Aldrin 7 NGL ND ND ND ND BHC Alpha isomer 7 NGL ND ND ND ND BHC Beta isomer 3 NGL ND ND ND ND BHC Delta isomer 3 NGL ND ND ND ND BHC Gamma isomer 5 NGL ND ND ND ND Alpha (cis) Chlordane 3 NGL ND ND ND ND Gamma (trans) Chlordane 4 NGL ND ND ND ND Alpha Chlordene NGL NA NA NA NA Gamma Chlordene NGL NA NA NA NA Cis Nonachlor 3 NGL ND ND ND ND Dieldrin 3 NGL ND ND ND ND Endosulfan Sulfate 6 NGL ND ND ND ND Alpha Endosulfan 4 NGL ND ND ND ND Beta Endosulfan 2 NGL ND ND ND ND Endrin 2 NGL ND ND ND ND Endrin aldehyde 9 NGL ND ND ND ND Heptachlor 8 NGL ND ND ND ND Heptachlor epoxide 4 NGL ND ND ND ND Methoxychlor 10 NGL ND ND ND ND Mirex 10 NGL ND ND ND ND op-DDD 4 NGL ND ND ND ND op-DDE 5 NGL ND ND ND ND op-DDT 3 NGL ND ND ND ND Oxychlordane 6 NGL ND ND ND ND PCB 1016 4000 NGL ND ND ND ND PCB 1221 4000 NGL ND ND ND ND PCB 1232 360 NGL ND ND ND ND PCB 1242 4000 NGL ND ND ND ND PCB 1248 2000 NGL ND ND ND ND PCB 1254 2000 NGL ND ND ND ND PCB 1260 2000 NGL ND ND ND ND PCB 1262 930 NGL ND ND ND ND pp-DDD 3 NGL ND ND ND ND pp-DDE 4 NGL ND ND ND ND pp-DDT 8 NGL ND ND ND ND Toxaphene 330 NGL ND ND ND ND Trans Nonachlor 5 NGL ND ND ND ND ========================== ==== ===== ============= ============= ============= ============= Heptachlors 8 NGL 0 0 0 0 Endosulfans 6 NGL 0 0 0 0 Polychlorinated biphenyls 4000 NGL 0 0 0 0 Chlordane + related cmpds 6 NGL 0 0 0 0 DDT and derivatives 8 NGL 0 0 0 0 Hexachlorocyclohexanes 7 NGL 0 0 0 0 Aldrin + Dieldrin 7 NGL 0 0 0 0 ========================== ==== ===== ============= ============= ============= ============= Chlorinated Hydrocarbons 4000 NGL 0 0 0 0

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 33

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 41 62 58 55 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND ND 125 127 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND 33 ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 41 62 216 182

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 47 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 34

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 58 68 53 ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 191 117 ND 117 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 45 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 249 185 53 162

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL 35 41 ND ND

NA= Not Analyzed ND= Not Detected

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 35

North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL 77 94 62 108 Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL 125 167 90 189 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND 42 Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 202 261 152 339

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND 41 ND ND

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

BaseNeutral Compounds

N34-REC WATERN34-REC WATERN34-REC WATERN34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524983 P533540 ============================== ==== ===== ============ ============ ============ ============ 124-trichlorobenzene 152 UGL ND ND ND ND 12-diphenylhydrazine 137 UGL ND ND ND ND 24-dinitrotoluene 136 UGL ND ND ND ND 26-dinitrotoluene 153 UGL ND ND ND ND Dibenzo(AH)anthracene 101 UGL ND ND ND ND Diethyl phthalate 305 UGL ND ND ND ND Dimethyl phthalate 144 UGL ND ND ND ND Di-n-butyl phthalate 396 UGL ND ND ND ND Di-n-octyl phthalate 1 UGL ND ND ND ND 2-chloronaphthalene 187 UGL ND ND ND ND 33-dichlorobenzidine 244 UGL ND ND ND ND 34-benzo(B)fluoranthene 135 UGL ND ND ND ND 4-bromophenyl phenyl ether 14 UGL ND ND ND ND 4-chlorophenyl phenyl ether 157 UGL ND ND ND ND Hexachloroethane 132 UGL ND ND ND ND Hexachlorobenzene 148 UGL ND ND ND ND Hexachlorobutadiene 164 UGL ND ND ND ND Hexachlorocyclopentadiene 125 UGL ND ND ND ND Acenaphthene 18 UGL ND ND ND ND Acenaphthylene 177 UGL ND ND ND ND Anthracene 129 UGL ND ND ND ND Bis-(2-chloroisopropyl) ether 116 UGL ND ND ND ND Bis-(2-ethylhexyl) phthalate 896 UGL ND 114 ND 90 Benzidine 152 UGL ND ND ND ND Benzo[A]anthracene 11 UGL ND ND ND ND Benzo[A]pyrene 125 UGL ND ND ND ND Benzo[GHI]perylene 109 UGL ND ND ND ND Benzo[K]fluoranthene 149 UGL ND ND ND ND bis(2-chloroethoxy)methane 101 UGL ND ND ND ND bis(2-chloroethyl) ether 138 UGL ND ND ND ND Butyl benzyl phthalate 284 UGL ND ND ND ND Chrysene 116 UGL ND ND ND ND Fluoranthene 133 UGL ND ND ND ND Fluorene 161 UGL ND ND ND ND Indeno(123-CD)pyrene 114 UGL ND ND ND ND Isophorone 153 UGL ND ND ND ND Naphthalene 165 UGL ND ND ND ND Nitrobenzene 16 UGL ND ND ND ND N-nitrosodimethylamine 127 UGL ND ND ND ND N-nitrosodiphenylamine 348 UGL ND ND ND ND N-nitrosodi-n-propylamine 116 UGL ND ND ND ND Phenanthrene 134 UGL ND ND ND ND Pyrene 143 UGL ND ND ND ND ============================== ==== ===== ============ ============ ============ ============ Polynuc Aromatic Hydrocarbons 177 UGL 00 00 00 00 ============================== ==== ===== ============ ============ ============ ============ BaseNeutral Compounds 896 UGL 00 114 00 90

Additional analytes determined ============================== ==== ===== ============ ============ ============ ============ 1-methylnaphthalene 218 UGL ND ND ND ND 2-methylnaphthalene 214 UGL ND ND ND ND 26-dimethylnaphthalene 216 UGL ND ND ND ND 235-trimethylnaphthalene 218 UGL ND ND ND ND 1-methylphenanthrene 146 UGL ND ND ND ND Benzo[e]pyrene 144 UGL ND ND ND ND Perylene 141 UGL ND ND ND ND Biphenyl 229 UGL ND ND ND ND Pyridine 333 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N01-PS_INF N01-PS_INF N01-PEN N01-PEN 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515410 P533525 P515415 P533530 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

Organophosphorous Pesticides

N10-EFF N10-EFF N34-REC WATER N34-REC WATER 04-MAY-2010 05-OCT-2010 04-MAY-2010 05-OCT-2010

Analyte MDL Units P515420 P533535 P515425 P533540 ================================= === ===== ============== ============== ============== ============== Demeton O 15 UGL ND ND ND ND Demeton S 08 UGL ND ND ND ND Diazinon 03 UGL ND ND ND ND Guthion 15 UGL ND ND ND ND Malathion 03 UGL ND ND ND ND Parathion 03 UGL ND ND ND ND ================================= === ===== ============== ============== ============== ============== Thiophosphorus Pesticides 15 UGL 0000 0000 0000 0000 Demeton -O -S 15 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Total Organophosphorus Pesticides 3 UGL 0000 0000 0000 0000 ================================= === ===== ============== ============== ============== ============== Dichlorvos 05 UGL ND ND ND ND Dibrom 2 UGL ND NA ND NA Ethoprop 04 UGL ND NA ND NA Phorate 04 UGL ND NA ND NA Sulfotepp 04 UGL ND NA ND NA Disulfoton 02 UGL ND ND ND ND Dimethoate 04 UGL ND ND ND ND Ronnel 03 UGL ND NA ND NA Trichloronate 04 UGL ND NA ND NA Merphos 09 UGL ND NA ND NA Dichlofenthion 03 UGL ND NA ND NA Tokuthion 06 UGL ND NA ND NA Stirophos 03 UGL ND ND ND ND Bolstar 07 UGL ND NA ND NA Fensulfothion 07 UGL ND NA ND NA EPN 09 UGL ND NA ND NA Coumaphos 15 UGL ND ND ND ND Mevinphos e isomer 05 UGL ND NA ND NA Mevinphos z isomer 3 UGL ND NA ND NA Chlorpyrifos 03 UGL ND ND ND ND

NA= Not Analyzed ND= Not Detected

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North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N01-PS_INF N01-PS_INF N01-PS_INF N01-PS_INF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504408 P515410 P524968 P533525 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 2270 2790 2820 2530 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 2270 2790 2820 2530 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 2270 2790 2820 2530

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 6940 5090 5000 3690 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504413 P515415 P524973 P533530 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1600 2080 1820 280 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1600 2080 1820 280 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1600 2080 1820 280

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3340 4330 2600 350 245-trichlorophenol 166 UGL ND ND ND ND

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 40

North City Water Reclamation Plant Semi Annual Sludge Project

2010

Phenolic Compounds

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504418 P515420 P524978 P533535 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL 1610 2060 2620 1710 ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 1610 2060 2620 1710 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 1610 2060 2620 1710

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL 3650 3890 4290 1370 245-trichlorophenol 166 UGL ND ND ND ND

Phenolic Compounds

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504423 P515425 P524893 P533540 ================================== ==== ===== ============== ============== ============== ============== 246-trichlorophenol 165 UGL ND ND ND ND 24-dichlorophenol 101 UGL ND ND ND ND 24-dimethylphenol 201 UGL ND ND ND ND 24-dinitrophenol 216 UGL ND ND ND ND 2-methyl-46-dinitrophenol 152 UGL ND ND ND ND 2-chlorophenol 132 UGL ND ND ND ND 2-nitrophenol 155 UGL ND ND ND ND 4-chloro-3-methylphenol 167 UGL ND ND ND ND 4-nitrophenol 114 UGL ND ND ND ND Pentachlorophenol 112 UGL ND ND ND ND Phenol 176 UGL ND ND ND ND ================================== ==== ===== ============== ============== ============== ============== Total Non-Chlorinated Phenols 216 UGL 000 000 000 000 Total Chlorinated Phenols 167 UGL 000 000 000 000 ================================== ==== ===== ============== ============== ============== ============== Phenols 216 UGL 000 000 000 000

Additional analytes determined ================================== ==== ===== ============== ============== ============== ============== 2-methylphenol 215 UGL ND ND ND ND 3-methylphenol(4-MP is unresolved) UGL NA NA NA NA 4-methylphenol(3-MP is unresolved) 211 UGL ND ND ND ND 245-trichlorophenol 166 UGL ND ND ND ND

note Quality control criteria was not met for this sample One surrogate recovery less than 10

ND= not detectedNS= Not Sampled NR= Not RequiredNA= Not Analyzed

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 41

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N01-PEN N01-PEN N01-PEN N01-PEN 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504416 P515418 P524976 P533533 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 10 762 76 204 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 21 18 21 16 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL ND ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 12 05 07 08 Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 00 00 00 00 Purgeable Compounds 13 UGL 43 785 104 228 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND ND 08 ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND ND ND ND Acetone 45 UGL 2200 1280 4400 1860 Carbon disulfide 6 UGL 18 60 18 34 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 42

North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N10-EFF N10-EFF N10-EFF N10-EFF 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504421 P515423 P524981 P533538 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND ND ND ND Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 361 166 64 24 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 29 27 26 15 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 06 ND ND ND 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND 09 ND ND Dibromochloromethane 6 UGL ND ND ND ND 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL ND ND ND ND 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL 29 103 11 08 Ethylbenzene 3 UGL 03 16 ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 06 00 00 00 Purgeable Compounds 13 UGL 428 321 101 47 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL 11 71 ND ND Styrene 3 UGL 26 ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL 06 30 ND ND Acetone 45 UGL 8960 5220 12400 6250 Carbon disulfide 6 UGL 11 32 20 27 2-butanone 63 UGL ND ND ND lt63 Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

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North City Reclamation PLANT Annual Monitoring Report

2010

SEWAGE MONTHLY Priority Pollutants Purgeable Compounds EPA Method 8260B

N34-REC WATER N34-REC WATER N34-REC WATER N34-REC WATER 02-FEB-2010 04-MAY-2010 03-AUG-2010 05-OCT-2010

Analyte MDL Units P504426 P515428 P524986 P533543 ============================ === ===== =========== =========== =========== =========== Chloromethane 5 UGL ND 13 14 15 Bromomethane 7 UGL ND ND ND ND Vinyl chloride 4 UGL ND ND ND ND Chloroethane 9 UGL ND ND ND ND 11-dichloroethane 4 UGL ND ND ND ND Trichlorofluoromethane 3 UGL ND ND ND ND Methylene chloride 3 UGL 06 24 04 05 11-dichloroethene 4 UGL ND ND ND ND trans-12-dichloroethene 6 UGL ND ND ND ND Chloroform 2 UGL 576 1080 1300 1270 12-dichloroethane 5 UGL ND ND ND ND 111-trichloroethane 4 UGL ND ND ND ND Carbon tetrachloride 4 UGL ND ND ND ND Bromodichloromethane 5 UGL 248 838 821 815 12-dichloropropane 3 UGL ND ND ND ND trans-13-dichloropropene 5 UGL ND ND ND ND Trichloroethene 7 UGL ND ND ND ND Benzene 4 UGL ND ND ND ND Dibromochloromethane 6 UGL 364 474 396 362 112-trichloroethane 5 UGL ND ND ND ND cis-13-dichloropropene 3 UGL ND ND ND ND 2-chloroethylvinyl ether 11 UGL ND ND ND ND Bromoform 5 UGL 86 53 32 29 1122-tetrachloroethane 5 UGL ND ND ND ND Tetrachloroethene 11 UGL ND ND ND ND Chlorobenzene 4 UGL ND ND ND ND Toluene 4 UGL ND ND ND ND Ethylbenzene 3 UGL ND ND ND ND Acrylonitrile 7 UGL ND ND ND ND Acrolein 13 UGL ND ND ND ND 12-dichlorobenzene 4 UGL ND ND ND ND 14-dichlorobenzene 4 UGL ND ND ND ND 13-dichlorobenzene 5 UGL ND ND ND ND Dichlorodifluoromethane 66 UGL ND ND ND ND ============================ === ===== =========== =========== =========== =========== Halomethane Purgeable Cmpnds 7 UGL 698 1378 1263 1221 Purgeable Compounds 13 UGL 1280 2482 2567 2496 ============================ === ===== =========== =========== =========== =========== Total Dichlorobenzenes 5 UGL 00 00 00 00

Additional analytes determined ============================ === ===== =========== =========== =========== =========== Allyl chloride 6 UGL ND ND ND ND 4-methyl-2-pentanone 13 UGL ND ND ND ND metapara xylenes 6 UGL ND 08 ND ND Styrene 3 UGL ND ND ND ND 124-trichlorobenzene 7 UGL ND ND ND ND Methyl Iodide 6 UGL ND ND ND ND Chloroprene 4 UGL ND ND ND ND Methyl methacrylate 8 UGL ND ND ND ND 2-nitropropane 12 UGL ND ND ND ND 12-dibromoethane 3 UGL ND ND ND ND Isopropylbenzene 3 UGL ND ND ND ND Benzyl chloride 11 UGL ND ND ND ND ortho-xylene 4 UGL ND 06 ND ND Acetone 45 UGL lt45 84 60 117 Carbon disulfide 6 UGL ND ND ND ND 2-butanone 63 UGL ND ND ND ND Methyl tert-butyl ether 4 UGL ND ND ND ND

ND= not detected NA= not analyzed NS= not sampled

IREPORTSNCWRPAnnualsAnnual2010Annual_NC_10docx Page 44

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