51313 - United States Environmental Protection Agency · 2021. 1. 22. · 51313 TECHNICAL REPORT:...

51313

TECHNICAL REPORT:

REVIEW OF EFFECTIVENESS OF SELECTED REMEDYCRYOCHEM OU1: RESIDENTIAL WELLMONITORING

Work Assignment No.: 90-41-3NM9(WAF No. 252)

Prepared for

U.S. Environmental Protection AgencyRegion HI

841 Chestnut StreetPhiladelphia Pennsylvania 19107

Prepared by

CKMHILLReston, Virginia

July 1996

MDREV252.DOC

AROOOUO

Introduction

This memorandum presents the results of a review of the effectiveness of the selectedremedy for Operable Unit 1 at the Cryochem site in Boyertown, Pennsylvania. CH2M HILLhas managed six residential well monitoring events at the Cryochem site for the OU1 taskunder the supervision of USEPA Region ffl. Activities have been conducted according tothe Record of Decision (ROD), September 29,1989, and the Explanation of SignificantDifferences (BSD), September 22,1994.

The memorandum summarizes the existing data and reviews the information available.Conclusions and recommendations provide suggested measures for upcoming work.Appendix A includes a copy of the statement of the scope of work for this document.Responses to each of EPA's questions, as stated in the WAF, are discussed in a later sectiontided Review of Existing Information.

i \

Current Residential Sampling and Monitoring ProgramNineteen residences and one business (Mike's Service Station) were selected for themonitoring program. At each location, a dual granular activated carbon (GAC) filtersystem was installed. UV lamps to protect against coliforms, are installed at all 19residences. Periodic sampling was scheduled according to the work plan and also includedKountry Kitchen, where no GAC filters were installed.Samples were collected at the wellhead, the midpoint between the two filters, and at thetap. If concentrations of the contaminants of concern (COC) were detected at the midpoint,then the GAC filter closest to the, well (lead filter) was replaced with the GAC filter closestto the tap (lag filter). The GAC in the lead filter was replaced with fresh GAC and the leadfilter was configured as the lag filter. If concentrations of contaminants were detected in thetap sample, GAC in both filters was replaced. Resampling after each carbon replacementconfirmed that the filter changeout had successfully eliminated contaminant breakthrough.

Ultraviolet (UV) lamps have been changed out once a year, or whenever they burn out.Coliform testing of the tap water confirms that no coliforms appear in the water as a resultof biological growth on the GAC filters when the UV lamps are on.

Recommendations for changes to the sampling and monitoring schedules are presented inlater sections of this memorandum.

AR-000'Ul

Requirements of the Explanation of SignificantDifferences

The main provisions of the BSD are as follows:

• Continue operation and maintenance (O&M) of dual. GAC units and UV systemsat 19 residences and 1 business, already known to be affected by the site.

• Install, operate and maintain dual GAC units at residences and business thatbecome affected by the contamination from the site.

• Monitor the GAC units of the new wells affected by the site.

• Conduct periodic reviews on the effectiveness of the selected remedy.The estimated present worth cost of the remedy is S OO/OOO1, for 20 affected wellsand 6 potentially affected wells.

The ROD indicates that the selected remedy (Alternative 3C) is protective of human healthand the environment because the GAC filters remove the contamination from thegroundwater with technology proven to reduce concentrations of volatile organic chemicals(VOCs) to acceptable levels. No unacceptable short-term or long-term risks will be causedby the implementation of the selected remedy.

1 Present worth cost based on a 10% discount factor for 30 years i.e. through 9/22/2024. Annual costs estimated at $42,500.

A R O O O I U 2

Summary of Existing Data

This section summarizes the existing data collected from October 1992 through May, 1996.

Appendix B provides copies of the validated laboratory analytical data for the residentialsampling. The rounds marked "resample" are the confirmatory samples after*a filterchangeout. Most homes have needed a filter changeout at least once since installation; fourhomes (P.O. Box numbers 82,88,100,101) have needed a filter changeout every time.Analytical results are included for the residences that do not have EPA-installed filtersystems but are being monitored periodically for contaminants. There is insufficienthistorical data for installing new GAC systems.

Appendix C is a table summarizing the dates when each residence was sampled and thedate of GAC filter changeout. Also listed is the well-yield and the design flowrate of theinstalled pump2. Some notes are provided for each household, to relate water usage rateswith GAC filter changeout. •_Appendix D is an excerpt from the JACA RI-FS report for the Cryochem site. The well dataprovided include depth of wells, the exposed borehole depth, and the well yields asrecorded by C.S. Garber.

2 Pump flowrate information was obtained from C.S. Garber. .

ftfiOOO(i»3

Review Of Existing Information

This section reviews the existing information and data. Responses to EPA's questions in theWAF are also presented here.

Analytical DataAppendix E summarizes the analytical results of the samples collected at the wellhead andshows the maximum concentration detected in each of the six monitoring events (includesduplicates and resamples) for the five COCs. Four of the five COCs are regulated and haveMCLs which are listed at the end of the table. Concentrations in the wells that exceed theMCLs have been shaded. This table indicates:

1. 1,1- dichloroethene (DCE) concentrations have exceeded its MCL more timesthan any other COC. This is because it appears more often than any other COCwith a low MCL. A map of the residences in the program with the housenumbers shown in boxes, is included in Appendix F. Using DCE as an indicatorchemical, concentrations of DCE from the last sampling event have been shownfor the each residence.

2. Concentrations have decreased over the sampling period in five residences andhave increased in three residences. The map marks the houses with increasedconcentrations (+) and decreased concentrations (-), or marks an (o) for housesthat show no trend. Of the seven houses in the program south of Fancy HillRoad, concentrations are remaining steady or decreasing.

3. Trichloroethene (TCE), however, has been detected in this year's samplingrounds for the first time at three residences. Concentrations have been below theMCL of 5 micrograms per liter (ug/L). A (T) on the map marks the houseswhere TCE has recently appeared. The MCL is very low for TCE, and a slightincrease in the present concentration may exceed the regulatory allowance. TCEis also a breakdown product of tetrachloroethene (PCE). Over time, TCE willform other breakdown products, and eventually may produce vinyl chloride (seeattached chart in Appendix E), which has an MCL of 2 |ig/L.

All the collected data indicate a need for continuing OU1. The presence of TCE and thepossible presence of vinyl chloride requires continued sampling and monitoring to checkthe appropriateness of the remedy.

ft n-n on! i. i

Cost Effectiveness of the Selected RemedyIs the existing methodology cost-effective? -

Yes, the existing methodology is cost-effective. The estimated present worth cost in the BSD(dated 9/22/94) is $400,000 for the remedy versus $640,000 for the alternative viz. publicwater supply hookup. The cost of the remedy assumed 20 affected wells and 6 potentiallyaffected wells. The recommendations of this memorandum include reducing samplecollection and coliform analyses. Upcoming OU-2 activity and OU-3 activity is expected toreduce offsite migration of COCs. All of this is expected to reduce the annual costs ofrunning OU1 while shortening the time for the remedy. Additional cost-saving measuresare discussed in later sections of this memorandum. :

rA more thorough evaluation of costs can be conducted to check the latest costs for puttingin a public water supply for the homes. However, the costs are riot expected to change fromthe September 1994 date when the BSD was issued.

Coliform Testing RequirementsIs it necessary to continue with the coliform testing, especially when the UV lights are replaced onan annual basis? '•

No, coliform testing does not appear to be necessary. Except for a few occasions, allcoliform tests were negative, indicating that coliforms do not pose a significant healthproblem if the UV lamps are working. We suggest that the coliform testing be discontinuedafter the April 1996 sampling event. Instead, the UV-lamps should be changed out once ayear, regardless of their condition. Residents should be given instructions when to call iftheir lamps burn out. A telephone call should be made every six months to confirm withthe residents that their UV-lamps are in good operating condition. If a residence is part of asampling program, the CH2M HILL field-sampler visiting the home can do a visual checkof the UV lamp. : ;

Residences to be Taken Off the ProgramAre there homes that could be removed from the program? . •'-,

As Appendix C indicates, the following residences and Kountry Kitchen could be taken offthe program:

Fleck Box 268 ;Witman Box 71 :Hallman Box 100 *

The Kountry Kitchen (marked with K on the map) has been sampled at the tap in each ofthe six monitoring rounds. This restaurant does not have an EPA-installed filter system.No site-related compounds have been detected in any of the tap samples, althoughdisinfection byproducts (chloroform, bromodichloromethane) have been detected. It isrecommended that monitoring be continued because Kountry Kitchen is a commercialestablishment with higher water usage than the homes.

AROQOU5

GAC Filter Sizing Issues

Would it be possible to calculate the necessary change-out frequency, and reduce/eliminate theresidential sampling?

As Appendix C indicates, the carbon filter changeout frequency for each home is different.Calculations for sizing the carbon adsorbers, based on typical per capita water usage ratesof 45 gpcd (gallons/capita/day) are presented in Appendix G. The conclusions are asfollows:

• Residences with 3 gpm pumps have carbon beds that are adequately sized fortypical flux rates of 5 gpm/ft2 to 8 gpm/ft2. Six residences have 10 gpm pumpswith the same size carbon adsorbers. The diameter of the adsorbers for thesehomes is undersized resulting in possible higher headless through the system.However, the carbon bed size is dependent on several factors including COCconcentrations, and type of carbon. Calculations are provided in Appendix G.

• The design concentrations at parts per billion, are too low to estimate bed lifereliably. Predicted bed lives are high; using conventional methods. (Theestimated carbon usage rate, is 0.5 Ibs per 1,000 gallons treated.)

• The controlling COC for adsorption is DCA which is the lead contaminant i.e. itbreaks through first.

• Additional flowrate data, that can be obtained with a flow totalizer, will providea better basis for predicting the bed life.

Are the filter sizes adequate for those residences where there has been frequent break-through?The GAC filters appear to be inadequate for the homes with frequent breakthrough. Thehomes with frequent breakthrough are:

• Box 82 (Pump capacity 10 gpm)• Box 88 (Pump capacity not known, but expected to be 3 gpm)• Box 100 (Pump capacity 10 gpm)• Box 101 (Pump capacity 3 gpm)

»

Long's Water Technology indicated that all units were sized for a. flow-rate of 4 gpm.Historical information indicates that some of these homes have pumps with capacities 10gpm. However, it is not known if the water usage rates are higher for these residences.Discussions with Barry Long indicate that the sizing of the GAC filters does not appear tobe based on multi-component adsorption. Sizing for multi-component adsorption involvesusing the COC that is least adsorbable to size the unit. All these factors indicate that somehomes may continue to experience frequent breakthrough, unless larger carbon adsorbersare installed.

AROOOU6

Protectiveness of the Selected RemedyAre there any changes required to ensure that the selected remedy is protective?

There are no changes required to ensure that the selected remedy is protective. The changesproposed include taking some homes off the program, reducing the sampling effort,changing the criteria for sampling at the mid-point, and discontinuing the confirmatorysampling. These are calculated risks which are not expected to compromise theprotectiveness of the remedy. *It should be noted that vinyl chloride is a poorly adsorbing constituent and not a site-related COC. However, it is a degradation product of the COCs and has been detected onsite. Its low MCL (2 ug/L) indicates that it can be a concern. Carbon usage will be high ifvinyl chloride is detected. We suggest that vinyl chloride activity be closely observedduring OU1 and OU2 monitoring programs. Carbon adsorption is typically not thepreferred technology for vinyl chloride removal.

TCE has also been detected recently farther offsite. It is a degradation compound with alow MCL and needs to be monitored so that the appropriateness of the remedy can bechecked. :

AROOOU?

Conclusions and Recommendations

The review of Operable Unit 1 indicates that the remedy is necessary, is protective ofhuman health and the environment, and is cost-effective when compared with thealternative public water supply hook-up presented in the ESD.

The following is a proposed scope-of-work and revised schedule for monitoring:

1. Three residents — the Flecks, the Witmans, and the Hallmans — will be off theregular monitoring program. The Whitmans will be sampled at the threelocations (well, midpoint, and tap) for one more event to confirm past data andbecause the number of residents at their home have changed.

2. Seven residents who do not have EPA-installed carbon filters will be monitoredat the tap only every six months per the requirements of the ESD. When 5rounds are completed the results will be evaluated to determine if the residentsshould be added to the regular program. We recommend that Kountry Kitchencontinue to be monitored since it has a high water usage and because it is acommercial establishment.

3. Sixteen residents and Mike's Service Station will continue to be sampled at thethree locations as part of the regular program, as required in the ESD. The six-month sampling may be modified after adequate flowrate data has beenobtained for each resident, and after Operable Unit 2 has been operational for atleast 12 months. (We expect changes to occur in offsite concentrations whenOU-2 is operational.)

A revised schedule for each of the residential homes is presented in Appendix H.

We propose that the present sampling program be modified as indicated:

• No confirmatory sampling and analyses will be done after carbon filters arechanged out. Historical data indicates that almost all results were non-detect forthe contaminants of concern.

• All carbon niters will be kept operational. No bypass will be installed.However, flowmeters, with digital readouts of flow rate and total flow, will beinstalled to relate frequency of carbon changeout to concentration-and waterusage. It is expected that this data will be useful in deciding when to remove thecarbon filters.

• The criteria for changeout of carbon will be modified. Instead of changing outthe carbon when any contaminant of concern (COC) is detected in the midpointsample, the changeout will be done only when half the MCL of any COC isexceeded. This will extend the bed life and will still be protective of healthbecause of the presence of the lag carbon filter with relatively unused capacity.

A R O O O J 4 8

• We propose midpoint sampling instead of sampling at the tap for residents whoare off the regular program. This will provide a margin of safety if COCs aredetected. The Witmans, the Hallmans, and the Flecks will be removed from theregular program, but we will sample one last round at the Witmans and theHallmans. We will maintain tap sampling at Kountry Kitchen.

• Coliform testing will be discontinued because results have shown that as long asthe ultraviolet lamps are working, there is no bacteria in the treated water.

: ' »• The ultraviolet lamps will be replaced annually and whenever they burn out.

The condition of the lamps will be checked during sampling events. Signs willbe posted near the lamps requesting the residents to call for a lamp replacementwhen necessary. CH2M HILL can conduct phone surveys to determine thecondition of the lamps. ;

i i• The configuration of the carbon filters, i.e. two units in series, will not be

modified. < ,

• Flow meters, specifically flow totalizers, will be useful in predicting the bed lifeof the carbon filters. We propose that meters with digital readout be usedbecause they are easier to read, and residents can provide us with theinformation.

• UV lamps will be replaced annually and whenever they burn out.

• We propose that the carbon maintenance subcontract include a scope of workthat requires product specifications of the carbon used in each filter change to besubmitted to CH2M HILL. A checklist for maintenance items will be preparedby CH2M HILL and will need to be submitted by the subcontractor after everyvisit. Residents will be required to sign-off when the subcontractor leaves. Weexpect this will reduce complaints regarding the subcontractor's housekeepingpractices during his visit.

10AROOOI|*9

Appendix A: Copy of WAF No. 252 with Scope of Work

Appendix B: Tables of Validated Analytical Results

Appendix C: Table of Filter Changeouts

Appendix D: Residential Well Installation Details (from JACA Report of RI-FS)

Appendix E: Comparison of Wellwater with MCLs

Appendix F: Map of Contaminant Trends

Appendix G: Carbon Adsorber Sizing Calculations

Appendix H: Schedule for Sampling of Residential Homes

AR-00015.0

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FEB-20-1996 12:09 EPfl REG III CONTRACTS BR 215 597 5029 P.06X10I USEPA ____ WUKK ASSIGNMENT FORM__

1. WORK ASSIGNMENT INFORMATION

/J>LL _ WORK ASSIGNMENT NO:,

EPA CONTRACT NO; bf'kjjf ~QC4C REVISION NO: / "7

DATE; -l/7/yfr CONTRACTOR CONTROL NO: _______________ MODIFICATION NO: _______________„_„______(Oomncitog' officer me Pity)

2. CESOUPIION OPACTION:

[ ] NEW WORKASSICNMENT

• Interim SOW,

• CampiaeSOWesniMtod budgetaod schedules

REQIREDAPPROVAL

EPA REGIONHEADQUARTERS

[ ] INTERIMAMENDMENT

• Quate Id 1OE,Scope by ua*

[ JINCSEMENTALFUNDING

EPA REGIONHEADQUARTERS

7 PARTIAL WORK PLAN APPROVAL

FINAL WORK PtAN APPROVAL

TO FINALWORK PLAN APPROVALdunge in LCC, «cope orbudget bf ask

(indude OF 60 or SF 1411)EPA REGIONHEADQUARTERS

[ ] TECHNICAL DIRECTIONMEMORANDUM

• Detailed scope, budget

• Canmoart> Revneexpi

• Minor shift wnfaia sow

(All ctuofei mute he«mfain overall scope.budget, and LOE approvedbyEPAOCJ)

EPA REGION

(. J WORK ASSIGNMENTCOMPLETION NOTIFICATION

(NO ATTACHMENTS)

* Regional deunUnuioa

• When supted by CO, tlwcofttdnites « stop %wckorder

CONTRACTORa. BUDGET INFORMATION

TOTAL FUNDINGRECEIVED*»

INTERIM BUDGE APPROVEDWORK PLAN BUDGET

EXPENDmiREUMTrCEU*

CTECHNICALLOE) (»

.000 ____.000

(TECHNICAL LOE) CTECHNICALLOE)

THIS ACTIONTOTAL

limabkxk. EPA •INCLUDES FEES * ESTABLISHED BY

4.WAOOMFI£nONDATB

. EPA COMMENTS:

6. APPROVALSCONTRACTOR SIGNATURES;

SITE MANAGER/FIRM PROJECT MANAGER

PHONE:

REGIONAL MANAGER^TOM R glONAL PROJECT OPFldat

APPROVED AS SUBMITTED , ( ] NOT APPROVED

FE6 I Q- 1996.DATS APPROVED

EPA Conncaag Offioer (wbeo only opendinire

ATTACH STATEMENT OF WORK(PER DESCRIPTION OP ACTION)

J

AROOOI52

FEB-20-1996 12:09 EPfl REG III CONTRACTS BR ' 2 1 5 597 5029 P. 07x10

CONTRACT NO: 68 W8 0090 ' .MODiFICATIDN NO: Oj3£2- 4 *°~*'-.5>««>9. 17

EPA

CH2M Hill is authorized to negotiate an extension for thesubcontracts with WASTEX and Long's Water Technology (sm=llpurchase contracts) to coincide with the revised completion date.

In addition, CH2M shall conduct a review of theeffectiveness of the selected remedy as called for in the'explanation of Significant Differences dated 9/22/94. Historicalsample results from each residence generated as a result of theongoing O&M shall be reviewed, with the following criteriaapplied: : :

1. Is the existing methodology cost effective? Would it bepossible to calculate the necessary change -out "frequency, andreduce/eliminate the residential sampling? -

2. Is it necessary to continue with the coliform tasting,especially when the UV lights are replaced on an annual -iasis?

3. Are the filter sizes adequate for those residences wherethere has been frequent break-through?

4. Are there any changes required to ensure that theselected remedy is protective? • ; ,

•• 'f5. Are there homes which could be removed from the program?

This task should be undertaken with the existing data, ar.d thedata from the .April, 1996 sampling event should be reviewed whenit becomes available, /r rtf*'l •*£ <*W «-»ô 3o

A R O O O I 5 3

CRYOCHEM OU1i .1

Analytical Results

Round 1i • *

Dates Sampled:September 29 - October 2,1992

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CRYOCHEM OU1

Analytical Results

Round 2Date Sampled: November 29,1992

Resample

AROOOI76

1A EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET

.b Name: CH2M HILL/LRD ___________ Contract: V34336CCS-RW103T32

Case No.: V34336 SAS No.: SDG No.: GC-MS

itrix: (soil/water) WATER Lab Sample ID: 34336018 ______'ample wt/vol: 5.0 (g/mL) ML _ Lab File ID: 92M2VQ5260ivel: (low/med) LOW Date Received: 11/05/92

'• Moisture: not dec. ___ Date Analyzed: 11/10/92: Column: CAP _____ ID: 0.530 (mm) Dilution Factor: ____ 1.0

ôil Extract Volume: ______ (uL) Soil Aliquot Volume: ____ (uL)CONCENTRATION UNITS:

CAS NO. COMPOUND (ug/L or ug/Kg) UG/L Q

l

74-87-3 ————————Chloromethane_74-83-9 ———————— Bromomethane__75-01-4———————Vinyl chloride"75-00-3———————Chloroethane75-09-2————————Methylene chloride67-64-1————————Acetone __75-15-0———————Carbon disulfide75-35-4 ——————— 1,1-Dichloroethene______75-34-3——————-—1,1-Dichloroethane_______540-59-0——————1,2-Dichloroethene (total)67-66-3———————Chloroform _______'_107-06-2 —————— 1,2-Dichloroethane ~78-93-3 ———————— 2-Butanone______________71-55-6———————1,1,1-T.richloroethane56-23-5———————Carbon tetrachloride_____75-27-4———————Broi?.odichloromethane____78-87-5 ——————— 1, 2-Dichloropropane '•10061-01-5—————cis-1, 3-Dichloropropene__79-01-6——————-Trichloroethene124-48-1——— ——— Dibromochloromethane79-00-5 ——————— 1,1, 2-Trichloroethane____71-43-2 ———————— Benzene _____________10061-02-6—————trans-1,3-Dichloropropene_75-25-2———————Bromoform______________591-78-6——————2-Hexanone__________________108-10-1—t-----•4-Methyl-2-pentanone127-18-4———————Tetrachloroethene79-34-5 ——————— 1,1,2, 2-Tetrachloroethane108-88-3——————Toluene108-90-7——————Chlorobenzene_100-41-4———————Ethylbenzene__100-42-5——————Styrene______1330-20-7—————Xylenes (total)

101010101010101111011011010101010101101010101010101010101010

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FORM I VOA 3/90

A R O O O I 7 7

1A EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET '".

CCS—RW82W—12Lab Name: CH2M HILL/LRD _____ Contract: V34336Lab Code: _______ Case No.: V34336 SAS No.: '- SDG No.: GC-MS

Matrix: (soil/water) WATER Lab Sample ID: 34336001Sample wt/vol: 5.0 (g/mL) ML Lab File ID: 92M2VO5223Level: (low/med) LOW Date Received: 11/05/92% Moisture: not dec. ___ Date Analyzed: 11/09/92GC Column: CAP______ ID: 0.530 (mm) Dilution Factor: ____1.0Soil Extract Volume: ______ (uL) Soil Aliquot Volume: ____(uL)

CONCENTRATION UNITS:CAS NO. COMPOUND (ug/L or ug/Kg) UG/L- Q

74-87-3————————Chlorome thane_74-83-9————————Bromomethane__75-01-4———————Vinyl chloriHe"75-00-3———————Chloroethane75-09-2————————Methylene chlorid.e_67-64-1————————Acetone ___ ___"75-15-0———————Carbon disulfide _________75-35-4 ———————— 1,1-Dichloroethene_______75-34-3 ———————— 1,1-Dichloroethane_______540-59-0———————1,2-Dichloroethene (total)67-66-3———————Chloroform _________'_107-06-2 —————— 1, 2-Dichloroethane______78-93-3————————2-Butanone______________71-55-6—————•——1,1, 1-Trichloroethane____56-23-5———————Carbon tetrachloride_____75-27-4———————Bromodichloromethane78-87-5 ———————— 1,2-Dichloropropane10061-01-5—————cis-1,3-Dichloropropene__79-01-6———————Trichloroethene__________124-48-1——————Dibromochloromethane____79-00-5———————1, l, 2-Trichloroethane___71-43-2———————Benzene ______________10061-02-6————trans-1,3-Dichloropropene75-25-2————————Bromoform______________"591-78-6———————2-Hexanone __________108-10-1—,————4-Methyl-2-pentanone____127-18-4———————Tetrachloroethene79-34-5———————1,1,2,2 -Tetrachloroethane108-88-3——————Toluene108-90-7——————Chlorobenzene_100-41-4——————Ethylbenzene__100-42-5——————Styrene______1330-20-7—————Xylenes (total)

1010101010101015411011037101010101101101010101010101010101010

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FORM I VOA ! 3/90


ici i

CCS-RW82M-22Name: CH2M HILL/LRD______ Contract: V34336Code: ______ Case No.: V34336 SAS No.: ______ SDG No.: GC-MS

.trix: (soil/water) WATER Lab Sample ID: 34336002_____.mple wt/vol: 5.0 (g/mL) ML Lab File ID: 92M2VO5225

_ ivel: (low/med) LOW Date Received: 11/05/92'? Moisture: not dec. ___ Date Analyzed: 11/09/92: Column: CAP______ ID: 0.530 (mm) Dilution Factor: ____1.0

*-oil Extract Volume: _______ (uL) Soil Aliquot Volume: ____(uL)

CONCENTRATION UNITS:CAS NO. COMPOUND (ug/L or ug/Kg) UG/L Q

74-87-3———————Chloromethane_74-83-9———————Bromomethane__75-01-4———————Vinyl chloricfe"75-00-3———————Chloroethane75-09-2———————Methylene chloridef67-64-1————————Acetone ___________75-15-0———————Carbon dxsulfide75-35-4 ——————— 1,1-Dichloroethene______75-34-3 ———————— 1,1-Dichloroethane_______540-59-0———————1, 2-Dichloroethene (total)67-66-3———————Chloroform107-06-2——————1,2-Dichloroethane78-93-3———————2-Butanone____________71-55-6 ———————— 1,1,1-Trichloroethane56-23-5———————Carbon tetrachloride____75-27-4———————Bromodichloromethane____78-87-5 ——————— 1 ? 2-Dichl9ropropane_____10061-01-5————-cis-l,3-Dichloropropene__79-01-6———————Trichloroethene________124-48-1——————Dibromochloromethane ~79-00-5———————1,1, 2-Trichloroethane___71-43-2————————Benzene10061-02-6—————trans-1,3-Dichloropropene75-25-2———————Bromoform_____________~_591-78-6——————2-Hexanone_____108-10-1—;————4-Methyl-2-pentanone127-18-4——————Tetrachloroethene79-34-5———————1,1,2, 2-TetrachloroeTEEane"108-88-3——————Toluene108-90-7——————Chlorobenzene100-41-4———————Ethylbenzene100-42-5——————Styrene______1330-20-7—————Xylenes (total)

10101010310101111011051010101010101101010101010101010101010

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FORM I VOA 3/90

AROOOI79

1A '.'. EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET

Lab Name: CH2M HILL/LRD___________ Contract: V34336CCD-RW82M-32

Lab Code: ______ Case No.: V34336 SAS No.: _____ SDG No.: GC-MS

latrix: (soil/water) WATER Lab Sample ID: 34336003______Sample wt/vol: 5.0 (g/mL) ML_ Lab File ID: 92M2V05230level: (low/med) LOW Date Received: 11/05/92% Moisture: not dec. ___ Date Analyzed: 11/09/923C Column: CAP______ ID: 0.530 (mm) Dilution Factor: ____1.0Soil Extract Volume: _______ (uL) Soil Aliquot Volume: ____(uL)

CONCENTRATION UNITS: ,GAS NO. COMPOUND (ug/L or ug/Kg) UG/L Q

74-87-3———————Chloromethane_74-83-9———————Bromomethane__75-01-4———————Vinyl chloride"75-00-3———————Chloroethane75-09-2————————Methylene chloride_______67-64-1————————Acetone _____________75-15-0———————Carbon disulfide________75-35-4———————1,1-Dichloroethene______75-34-3 ———————— 1,1-Dichloroethane540-59-0——————l, 2-Dichloroethene (total)67-66-3———————Chloroform _________\107-06-2——————1, 2-Dichloroethane______78-93-3————————2-Butanone______________71-55-6————————1,1,1-Trichloroethane56-23-5———————Carbon tetrachloride_____75-27-4———————Bromodichloromethane78-87-5 ———————— 1, 2-Dichloropropane___10061-01-5—————cis-1,3-Dichloropropene79-01-6———————Trichloroethene124-48-1——————Dibromochloromethane79-00-5 ———————— 1,1, 2-Trichloroethane____71-43-2————————Benzene ______._10061-02-6—————trans-1, 3-Dichloropropene75-25-2———————Bromoform_____________~_591-78-6———————2-Hexanone_________________108-10-1—.————4 -Methyl-2 -pentanone____127-18-4——————Tetrachloroethene79-34-5———————1,1,2, 2-Tetrachloroethane108-88-3———————Toluene108-90-7——————Chlorobenzene100-41-4——————Ethylbenzene_J100-42-5———————Stvrene1330-20-7—————Xylenes (total)

10101010110101111011021010101010101101010

. 101010101010101010


FORM I VOA 3/90


I2M HILL/LRD _____ .Contract: V34336CCS-RW82T-42

Case No.: V34336 SAS No.: ______ SDG No.: GC-MS __

.I/water) WATER Lab Sample ID: 34336004____ ___/ol: 5.0 (g/mL) ML_ Lab File ID: 92M2VO5231 2__

.ow/med) LOW Date Received: 11/05/92: not dec. ___ Date Analyzed: 11/09/92:AP______ ID: 0.530 (mm) Dilution Factor: ____1.0

ct. Volume: _______ (uL) Soil Aliquot Volume: ____(uL) (uL)

CONCENTRATION UNITS:NO. COMPOUND (ug/L or ug/Kg) UG/L Q

7-3———————Chloromethane_8 3 -9———————Bromomethane01-4———————Vinyl chloridlT3_3———————Chloroethane3-2———————Methylene chloride

64-1———————Acetone _____~15-0———————Carbon disulfide5-4———————— 1,1-Dichloroethene_______4_3———————1,1-Dichloroethane-59-0——————1,2-Dichloroethene (total)66-3———————Chloroform

•1,2-Dichloroethane_(3———————2-Butanone

•1,1,1-Trichloroethane•23-5———————Carbon tetrachloride__- 7-4 ———————— Bromodichloromethane___• 7-5 ——————— 1, 2-Dichloropropane___>bl-01-5————cis-1, 3-Dichloropropene-01-6———————Trichloroethene.- 48-1——————Dibromochloromethane- 0-5———————1,1, 2-Trichloroethane_____-43-2———————Benzene ______________)61-02-6————trans-1, 3-Dichloropropene• 5-2———————Bromoform78-6 ——————— 2-Hexanone

3-10-1—.————4-Methyl-2-pentanone7-18-4——————Tetrachloroethene- 4-5———————1,1,2, 2-Tetrachloroethane3 88-3——————Toluene3-90-7———————Chlorobenzene3-41-4——————Ethylbenzene_J42-5——————Styrene

3 -20-7—————Xylenes (total)

10101010110101111011011010101010101101010101010101010101010

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FORM I VOA 3/90 ,/9Q

1A ' EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET

Lab Name: CH2M HILL/LRD _______ Contract: V34336CCSRW74W12DL

Lab Code: ______ Case No.: V34336 SAS No.: ______ SDG No.: GC-MS

Matrix: (soil/water) WATER Lab Sample ID: 34336005DLSample wt/vol: 2.5 (g/mL) ML Lab File ID: 92M2V05244Level: (low/med) LOW Date Received: 11/05/92% Moisture: not dec. ___ Date Analyzed: 11/09/92GC Column: CAP_____ ID: 0.530 (mm) Dilution Factor: 1.0. ? ——————Soil Extract Volume: ______ (uL) Soil Aliquot Volume: ____(uL)

CONCENTRATION UNITS:GAS NO. COMPOUND (ug/L or ug/Kg) UG/L Q

74-87-3———————Chloromethane_74-83-9———————Bromomethane75-01-4———————Vinyl chloride"75-00-3————————Chloroethane75-09-2———————Methylene chloride67-64-1———————Acetone ___________________75-15-0———————Carbon disulfide________75-35-4 ———————— 1,1-Dichloroethehe_______75-34-3———————1, l-Dichloroethane______540-59-0——————1, 2-Dichloroethene (total)67-66-3———————Chloroform107-06-2——————1, 2-Dichloroethane______78-93-3————————2-Butanone71-55-6———————1,1,1-Trichloroethane56-23-5———————Carbon tetrachloride____75-27-4————————Bromodichloromethane_____78-87-5————————1 { 2-Dichloropropane_____10061-01-5————cis-1,3-Dichloropropene__79-01-6———————Trichloroethene___________124-48-1——————Dibromochloromethane79-00-5 ———————— 1,1, 2-Trichloroethane____71-43-2————————Benzene ________10061-02-6————trans-1,3-Dichloropropene75-25-2———————Bromof orm_____________~591-78-6———————2-Hexanone ~~108-10-1—.—————4-Methyl-2-pentanone____127-18-4——————Tetrachloroethene79-34-5————————1,1,2, 2-Tetrachloroethane108-88-3———————Toluene __"108-90-7———————Chlorobenzene100-41-4——————Ethylbenzene_^100-42-5——————Styrene______1330-20-7—————Xylenes (total)

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UUUUBDJUUDDUUUUDUUUUDUuuuuuuDJUUUUuu

FORM I VOA " 3/90

1A EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA^ SHEET

Name: CH2M HILL/LRD_______ Contract: V34336CCS-RW74M-22

Code: ______ Case No.: V34336 SAS No.: ______ SDG No.: GC-MS

-atrix: (soil/water) WATER Lab Sample ID: 34336006_______

"ample wt/vol: 5.0 (g/mL) ML Lab File ID: 92M2VO5233

i_evel: (low/med) LOW Date Received: 11/05/92Moisture: not dec. ___ Date Analyzed: 11/09/92

GC Column: CAP______ ID: 0.530 (mm) Dilution Factor: ____1.0

oil Extract Volume: ______ (uL) Soil Aliquot Volume: ____(uL)CONCENTRATION UNITS:.


74-87-3 ————— -

75-01-4 ————— -

-7 rr T Ft o

75-35-4 ————— -75-34-3 ————— -540-59-0 ———— -67-66-3 ————— •107-06-2 ———— -to yj j __— — •-7 T C C £.

56-23-5 ————— -75-27-4 ————— •

10061-01-5 —— •79-01-6 ————— •124-48-1 ———— -79-00-5 ————— •71-43-2 ————— •10061-02-6' —— •75-25-2 ————— •591-78-6 ———— -108-10-1 ———— •127-18-4 ———— •

j.UoOO-5108-90-7 ———— •100-41-4 ———— •100-42-5 ———— •1330-20-7 ——— •

— Chloromethane—— Bromomethane—— Vinvl chloride—— Chloroethane—— Methylene chloride

£ .V_*C V_» Wi iC

—— Carbon disulfide—— 1, l-Dichloroethene—— 1, 1-Dichloroethane—— 1, 2-Dichloroethene (total)—— Chloroform—— 1 , 2-Dichloroethane—— 2-Butanone—— 1 , 1 , l-Trichloroethane—— Carbon tetrachloride—— Bromodichloromethane—— 1 , 2-Dichloropropane— cis-1 , 3-Dichloropropene—— Trichloroethene—— Dibromochloromethane—— 1 , 1 , 2-Trichloroethane

osrizsns—— trans-1 , 3-Dichloropropene—— Bromoform—— 2-Hexanone—— 4-Methyl-2-pentanone—— Tetrachloroethene—— 1 ,1,2, 2-Tetrachloroethane ___—— Toluene—— Chlorobenzene—— Ethylfaenzene—— Styrene—— Xylenes (total)

10101010110101111011021010101010101101010101010101010101010


AR-800183

FORM I VOA 3/90


Lab Name: CH2M HILL/LRD __________ Contract: V34336CCS-TQ82-52

Lab Code: ______ Case No.: V34336 SAS No.: ______ SDG No.: GC-MS I

Matrix: (soil/water) WATER Lab Sample ID: 34336KQ8 ____Sample wt/vol: 5.0 (g/mL) ML Lab File ID: 92M2VOS222

Level: (low/med) LOW Date Received: 11/05/92% Moisture: not dec. ___ Date Analyzed: 11/09/92GC Column: CAP _____ ID: 0.530 (mm) Dilution Factor: ____ 1.J3Soil Extract Volume: ______ (uL) Soil Aliquot Volume: ____ (uL)


74-87-3———————Chloromethane_74-83-9———————Bromomethane _75-01-4————————Vinyl chloride75-00-3————————Chloroethane75-09-2———————Methylene chloride67-64-1———————Acetone ____________75-15-0———————Carbon disulfide________75-35-4 ———————— 1,1-Dichloroethene_______75-34-3———————1,1-Dichloroethane______540-59-0——————1, 2-Dichloroetherie (total)67-66-3———————Chloroform _________[107-06-2 ——————— 1, 2-Dichloroethane_______78-93-3————————2-Butanone_____71-55-6———————1,1,1-Trichloroethane56-23-5———————Carbon tetrachloride_____75-27-4———————Bromodichlorome thane_____78-87-5————————1, 2-Dichloropropane______10061-01-5————cis-l,3-Dichloropropene__79-01-6———————Trichloroethene _______124-48-1——————DibromochloromeÊhane_____79-00-5 ———————— 1,1, 2-Trichloroethane____71-43-2————————Benzene ___________________10061-02-6————trans-1,3-Dichloropropene_75-25-2———————Bromoform_________________591-78-6———————2-Hexanone __________108-10-1——————4-Methyl-2-pentanone_____127-18-4—'————Tetrachloroethene ————79-34-5———————1,1,2, 2-Tetrachloroethane108-88-3———————Toluene108-90-7——————Chlorobenzene_100-41-4——————Ethylbenzene__100-42-5——————Styrene______1330-20-7——————Xylenes (total)

10101010110101111011011010101010101101010101010101010101010


FORM I VOA 3/90

it

SROOO.I8I*


CCS-FQ101-42ab Name: CH2M HILL/LRD_______ Contract: V34336


atrix: (soil/water) WATER Lab Sample ID: 34336K09Sample wt/vol: 5.0 (g/mL) ML Lab File ID: 92M2VO5224

evel: (low/med) LOW Date Received: 11/05/92% Moisture: not dec. ___ Date Analyzed: 11/09/92C Column: CAP_______ ID: 0.530 (mm) Dilution Factor: ____1.0Soil Extract Volume: ______ (uL) Soil Aliquot Volume: ____(uL)


74-87-3————————Chloromethane_74-83 -9———————Bromomethane _75-01-4———————Vinyl chloricle"75-00-3———————Chloroethane75-09-2————————Methylene chloride67-64-1————————Acetone75-15-0———————Carbon disulfide75-35-4———————1,1-Dichloroethene______75-34-3 ———————— 1,1-Dichloroethane_______540-59-0——————1,2-Dichloroethene (total)67-66-3———————Chloroform107-06-2 ——————— 1, 2-Dichloroethane78-93-3 ———————— 2-Butanone71-55-6———————1,1,1-Trichloroethane56-23-5———————Carbon tetrachloride____75-27-4———————Bromodichlorome thane____78-87-5————————1,_ 2-Dichloropropane_____10061-01-5—————cis-1,3-Dichloropropene79-01-6———————Trichloroethene__________124-48-1——————Dibromochloromethane79-00-5———————1,1, 2-Trichloroethane___71-43-2————————Benzene ____________10061-02-6————trans-1,3-Dichloropropene75-25-2———————Bromoform____________"591-78-6——————2-Hexanone108-10-1—,-———4 -Methyl-2 -pentanone127-18-4——————Tetrachloroethene ____79-34-5———————1,1,2, 2-Tetrachloroethane108-88-3———————Toluene108-90-7——————Chlorobenzene100-41-4———————EthylbenzeneJ100-42-5——————Styrene1330-20-7—————Xylenes (total)

10101010410131111011011010101010101101010101010101010101010


FORM I VOA 3/90

AROOOI85

1A ' ' EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET

CCS-RW101W12Lab Name: CH2M HILL/LRD___________ Contract: V34336____Lab Code: ______ Case No.: V34336 SAS No.: : SDG No.: GC-MS

Matrix: (soil/water) WATER Lab Sample ID: 34336010______

Sample wt/vol: 5.0 (g/mL) ML Lab File ID: 92M2VO5235Level: (low/med) LOW Date Received: 11/05/92% Moisture: not dec. ___ Date Analyzed: 11/09/92GC Column: CAP______ ID: 0.530 (mm) Dilution Factor: ____1.J)Soil Extract Volume: ______ (uL) Soil Aliquot Volume: ____(uL)


74-87-3————————Chloromethane_74-83-9————————Bromomethane__75-01-4———————Vinyl chlorio"e_75-00-3———————'Chloroethane75-09-2———————Methylene chloride67-64-1————————Acetone ____________75-15-0———————Carbon disulfide _______75-35-4———————1,1-Dichloroethehe______75-34-3———————1,1-Dichloroethane______540-59-0——————1,2-Dichloroethene (total)67-66-3———————Chloroform _________;107-06-2 ——————— 1, 2-Dichloroethane_______78-93-3———————2-Butanone__________________71-55-6 ———————— 1,1,1-Trichloroethane56-23-5———————Carbon tetrachloride_______75-27-4———————Bromodichloromethane_____78-87-5 ———————— 1, 2-Dichloropropane______10061-01-5—————cis-l,3-Dichloropropene__79-01-6———————Trichloroethene \__________124-48-1——————DibromochloromeHhane______79-00-5———————1,1, 2-Trichloroethane____71-43-2————————Benzene ________10061-02-6————trans-1,3-Dichloropropene_75-25-2———————Bromoform______________591-78-6———————2-Hexanone——————————————108-10-1—;—————4 -Methyl-2 -pentanone127-18-4———————Tetrachloroethene79-34-5———————1,1,2, 2-Tetrachloroethane108-88-3——————Toluene108-90-7——————Chlorobenzene100-41-4———————Ethylbenzene_J100-42-5———————Styrene_______1330-20-7——————Xylenes (total)

101010101101026511011070101010103101101010101010101010101010

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FORM I VGA 3/90

3R000186

1A EPA SAMPLE NO,VOLATILE ORGANICS ANALYSIS DATA SHEET

Name: CH2M HILL/LRD__________ Contract: V34336CCS-RW101M22


matrix: (soil/water) WATER Lab Sample ID: 34336011______

ample wt/vol: 5.0 (g/mL) ML_ Lab File ID: 92M2V05236Level: (low/med) LOW Date Received: 11/05/92

Moisture: not dec. ___ Date Analyzed: 11/09/92GC Column: CAP_____ ID: 0.530 (mm) Dilution Factor: ____i.o:oil Extract Volume: _______ (uL) Soil Aliquot Volume: ____(uL)


74-87-3————————Chloromethane_74-83-9————————Bromomethane__75-01-4———————Vinyl chloride75-00-3———————Chloroethane75-09-2———————Methylene chloride_______67-64-1————————Acetone75-15-0————————Carbon disulfide75-35-4 ———————— 1,1-Dichloroethene_______75-34-3 ——————— 1,1-Dichloroethane_______540-59-0——————1,2-Dichloroethene (total)67-66-3———————Chloroform_____________\107-06-2 ——————— 1, 2-Dichloroethane_______78-93-3 ———————— 2-Butanone _______71-55-6———————1,1,1-Trichloroethane__56-23-5———————Carbon tetrachloride__75-27-4———————Bromodichloromethane__78-87-5 ———————— 1, 2-Dichloropropane____10061-01-5—————cis-1,3-Dichlorppropene_79-01-6———————Trichloroethene ___124-48-1——————Dibromochloromethane____79-00-5———————1,1, 2-Trichloroethane___71-43-2———————Benzene______10061-02-6—————trans-1,3-Dichloropropene_75-25-2————————Bromoform_______________591-78-6———————2-Hexanone_______108-10-1——————4-Methyl-2-pentanone____127-18-4——————Tetrachloroethene79-34-5———————1,1, 2,2-Tetrachloroethane_____108-88-3———————Toluene ___ ____108-90-7———————Chlorobenzene_100-41-4——————Ethylbenzene__100-42-5——————Styrene______1330-20-7—————Xylenes (total)

10101010110101111011011010101010101101010101010101010101010


FORM I VOA 3/90

AROOOI87

1A : EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET f

Lab Name: CH2M HILL/LRD ______' Contract: V34336CCS-RW101T32

Lab Code: _____ Case No.: V34336 SAS No.: • SDG No.: GC-MSMatrix: (soil/water) WATER Lab Sample ID: 34336012_____Sample wt/vol: 5.0 (g/mL) ML_ Lab File ID: 92M2VO5237Level: (low/med) LOW Date Received: 11/05/92% Moisture: not dec. ___ Date Analyzed: 11/09/92GC Column: CAP_____ ID: 0.530 (mm) Dilution Factor: 1.0Soil Extract Volume: ______ (uL) Soil Aliquot Volume: ____(uL)

CONCENTRATION UNITS:GAS NO. COMPOUND (ug/L or ug/Kg) UG/L; Q

74-87-3 ——————74-83-9 —————75-01-4 —— ——75-00-3 —————75-09-2 —————67-64-1 —————75-15-0 —— ——75-35-4 —————75-34-3 —————540-59-0 ————67-66-3 —————107-06-2 ————78-93-3 —————71-55-6 —————56-23-5 —————75-27-4 —————78-87-5 —————10061-01-5 ——79-01-6 —————124-48-1 ————79-00-5 —————71-43-2 —————10061-02-6 ——75-25-2 —————591-78-6 ————108-10-1 — , ——127-18-4 ————79-34-5 —————

108-90-7 ————100-41-4 ————100-42-5 ————1330-20-7 ———

—— Chloromethane—— Bromomethane—— Vinyl chloride—— Chloroethane—— Methylene chloride—— Acetone—— Carbon disulfide—— 1, l-Dichloroetherie—— 1 , 1-Dichloroethane—— 1,2-Dichloroethene (total)—— Chloroform—— 1, 2-Dichloroethane—— 2-Butanone—— 1 , 1 , 1-Trichloroethane—— Carbon tetrachloride—— Bromodichloromethane ;—— 1 , 2-Dichloropropane : t—— cis-1, 3-Dichloropropene—— Trichloroethene—— Dibromochloromethane—— 1 , 1 , 2-Trichloroethane—— Benzene ,*—— trans-l, 3-Dichloropropene—— Bromoform ; ;—— 2-Hexanone—— 4-Methyl-2-pentanone—— Tetrachloroethene—— 1 ,1,2, 2-Tetrachloroethane—— Toluene—— Chlorobenzene •-—— Ethylbenzene : •;:—— Styrene :—— Xvlenes (total)

; :

101010101010101111011011010101010101101010101010101010101010


AROOOI88

FORM I VOA 3/90


CCS—RW88W—12ib Name: CH2M HILL/LRD _______ Contract: V34336


[atrix: (soil/water) WATER Lab Sample ID: 34336013_______Sample wt/vol: 5.0 (g/mL) ML Lab File ID: 92M2V05238,evel: (low/med) LOW Date Received: 11/05/92% Moisture: not dec. ___ Date Analyzed: 11/09/921C Column: CAP______ ID: 0.530 (mm) Dilution Factor: 1.0

Soil Extract Volume: ______ (uL) Soil Aliquot Volume: ____(uL)CONCENTRATION UNITS:


74-87-3———————Chloromethane_74-83-9———————Bromomethane__75-01-4———————Vinyl chloride"75-00-3———————Chloroethane75-09-2———————Methylene chloride67-64-1————————Acetone75-15-0———————Carbon disulfide75-35-4———————1,1-Dichloroethene______75-34-3 ——————— 1,1-Dichloroethane______540-59-0———————1,2-Dichloroethene (total)67-66-3———————Chloroform _________;107-06-2——————1,2-Dichloroethane78-93-3————————2-Butanone_______________71-55-6 ———————— 1,1,1-Trichloroethane56-23-5———————Carbon tetrachloride_____75-27-4———————Bromodichloromethane78-87-5———————l { 2-Dichl9ropropane___10061-01-5————-cis-1,3-Dichloropropene_79-01-6———————Trichloroethene124-48-1——————Dibromochloromethane79-00-5———————1,1, 2-Trichloroethane___71-43-2 ——————— -Benzene _______________10061-02-6—————trans-1,3-Dichloropropene75-25-2———————Bromoform________________~_591-78-6——————2-Hexanone ___________108-10-1——————4-Methyl-2-pentanone127-18-4—'—————Tetrachloroethene _____79-34-5———————1,1,2,2 -Tetrachloroethane108-88-3——————Toluene108-90-7——————Chlorobenzene100-41-4———————Ethylbenzene "100-42-5——————Styrene______1330-20-7—————Xylenes (total)

10101010710106291'1011013010101010710110101010103101010101010

uuuuBJUU

UuuuuuuuJuuuuuuuJuuuuuu

FORM I VGA 3/90

ARQ00189


Lab Name: CH2M HILL/LRD _______ Contract: V343.36CCS-RW88M-22

Lab Code: Case No.: V34336 SAS No.: '. ' SDG No.: GC-MS

Matrix: (soil/water) WATER Lab sjample ID: 34336014 ______Sample wt/vol: 5.0 (g/mL) t_L _ Lab File ID: 92M2V05239

Level: (low/med) LOW Date Received: 11/05/92

% Moisture: not dec. ___ Date Analyzed: 11/09/92

GC Column: CAP _____ ID: 0.530 (mm) Dilution Factor: ____ 1_._0

Soil Extract Volume: ______ (uL) Soil Aliquot Volume: ____ (uL)

CONCENTRATION UNITS:"GAS NO. COMPOUND (ug/L or ugf/Kg) UG/L Q

74-87-3———————Chloromethane_74-83-9———————Bromomethane__75-01-4————————Vinyl chloride_75-00-3————————Chloroethane_"75-09-2———————Methylene chlonde_67-64-1————————Acetone_i____________________75-15-0:———————Carbon disulfide________75-35-4———————1,1-Dichloroethene_______75-34-3 ——————— 1,1-Dichloroethane______540-59-0———————1,2-Dichloroethene (total)67-66-3———————Chloroform_____________\107-06-2 —————— l, 2-Dichloroethane______78-93-3 ———————— 2-Butanone71-55-6———————1,1, l-Trichloroethane__56-23-5———————Carbon tetrachloride__75-27-4———————Bromodichloromethane__78-87-5 ———————— l, 2-Dichloropropane___10061-01-5————cis-1,3-Dichloropropene79-01-6———————Trichloroethene124-48-1———————Dibromochloromethane____79-00-5———————1,1, 2-Trichloroethane___71-43-2———————Benzene____ ____________10061-02-6'————trans-1,3-Dichloropropene75-25-2————————Bromoform_______________591-78-6———————2-Hexanone_____________________108-10-1——————4-Methyl-2-pentanone____127-18-4——————Tetrachloroethene79-34-5——————l, 1,2, 2-Tetrachloroethane108-88-3———————Toluene108-90-7——————Chlorobenzene_100-41-4——————Ethylbenzene_]100-42-5———————Styrene_1330-20-7——————Xylenes (total)__

10101010510101111011011010101010101101010101010101010'101010


FORM I VOA 3/90


Name: CH2M HILL/LRD_______ Contract: V34336CCS-RW88T-32


[atrix: (soil/water) WATER Lab Sample ID: 34336015______

Sample wt/vol: 5.0 (g/mL) ML_ Lab File ID: 92M2VO5240.evel: (low/med) LOW Date Received: 11/05/92

% Moisture: not dec. ___ Date Analyzed: 11/09/92;c Column: CAP______ ID: 0.530 (mm) Dilution Factor: ____1.0


GAS NO. COMPOUND (ug/L or ug/Kg) UG/L Q

74-87-3———————Chloromethane_74-83-9————————Bromomethane_75-01-4———————Vinyl chlorioTe"75-00-3———————Chloroethane75-09-2————————Methylene chloride67-64-1————————Acetone75-15-0———————Carbon disulfide75-35-4———————l,l-Dichloroethene________"75-34-3 ——————— 1,1-Dichloroethane________"540-59-0——————1, 2-Dichloroethene (total)67-66-3———————Chloroform ___________"107-06-2——————1, 2-Dichloroethane78-93-3————————2-Butanone________________"71-55-6————————1, l, 1-Trichloroethane56-23-5-.——————Carbon tetrachloride______"75-27-4———————Bromodichlorome thane____78-87-5 ———————— 1, 2-Dichl9ropropane______________10061-01-5 ——— --cis-1, 3-Dichloropropene_____79-01-6————————Trichloroethene _124-48-1——————Dibromochloromethane79-00-5 ———————— 1,1, 2-Trichloroethane_______71-43-2————————Benzene _10061-02-6—————trans-1,3-Dichloropropene75-25-2———————Bromoform______________________________591-78-6——————2-Hexanone __________________108-10-1——————4-Methyl-2-pentanone127-18-4—'————Tetrachloroethene79-34-5———————1,1, 2 , 2-Tetrachloroethane108-88-3——————Toluene.108-90-7——————Chlorobenzene100-41-4——————Ethylbenzene100-42-5———————Styrene_______1330-20-7—————Xylenes (total)

10101010110101111011011010101010101101010101010101010101010


FORM I VGA 3/90

AR000191


Lab Name: CH2M HILL/LRD__________ Contract: V34336CCS-RW103W12

Lab Code: ______ Case No.: V34336 SAS No.: -f SDG No.: GC-MS

Matrix: (soil/water) WATER Lab Sample ID: 34336016_____Sample wt/vol: 5.0 (g/mL) ML_ Lab File ID: 92M2V05241

Level: (low/med) LOW ; Date Received: 11/05/92% Moisture: not dec. ___ Date Analyzed: 11/09/92GC Column: CAP_____ ID: 0.530 (mm) Dilution Factor: 1.0Soil Extract Volume: ______ (uL) Soil Aliquot Volume: ____(uL)

CONCENTRATION UNITS:GAS NO. COMPOUND (ug/L or ug/Kg) UG/L Q

74-87-3————————Chloromethane_74-83 -9———————Bromomethane75-01-4———————Vinyl chloriSe"75-00-3————————Chloroethane75-09-2———————Methylene chloride67-64-1———————Acetone75-15-0———————Carbon disultlde^____________75-35-4 ———————— 1,1-Dichloroethene_______75-34-3———————1,1-Dichloroethane '540-59-0——————1,2-Dichloroethene (total)67-66-3———————Chloroform107-06-2 ——————— 1, 2-Dichloroethane7 8-93-3 ———————— 2 -Butanone^_____71-55-6———————1,1,1-Trichloroethane56-23-5———————Carbon tetrachloride_J75-27-4———————Bromodichloromethane78-87-5————————1, 2-Dichlorppropane10061-01-5————cis-1,3-Dichloropropene__79-01-6———————Trichloroethene124-48-1——————Dibromochlorome^hane79-00-5————————l, i, 2-Trichloroethane____71-43-2————————Benzene _______________10061-02-6————trans-l,3-Dichloropropene75-25-2———————Bromoform_____________~591-78-6 ——————— 2-Hexanone_____IZZZZZZI108-10-1—;————4-Methyl-2-pentanone____127-18-4——————Tetrachloroethene_______79-34-5 ————————1,1, 2 , 2-Tetrachloroethane108-88-3———————Toluene108-90-7———————Chlorobenzene100-41-4——————Ethylbenzene_]100-42-5——————styrene1330-20-7—————Xylenes (total)

10101010101011951101107110101010310110101010101101010101010

uuuuuuJ

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FORM: i VOA 3/90

AR000192


ab Name: CH2M HILL/LRD__________ Contract: V34336CCS-RW103M22

Code: Case No.: V34336 SAS No.: _______ SDG No.: GC-MS

atrix: (soil/water) WATER Lab Sample ID: 34336017______Sample wt/vol: 5.0 (g/mL) ML Lab File ID: 92M2V05242evel: (low/med) LOW Date Received: 11/05/92% Moisture: not dec. ___ Date Analyzed: 11/09/92C Column: CAP______ ID: 0. 530 (mm) Dilution Factor: _____1.0

Soil Extract Volume: ________ (uL) Soil Aliquot Volume: ____(uL)CONCENTRATION UNITS:


7 4-87-3 ———————Chloromethane_74-83-9————————Bromomethane__75-01-4———————Vinyl chloride"75-00-3———————Chloroethane75-09-2———————Methylene chloride_67-64-1————————Acetone _____________75-15-0———————Carbon disulfide75-35-4———————1,1-Dichloroethene______75-34-3 ——————— 1,1-Dichloroethane______540-59-0———————1,2-Dichloroethene (total)67-66-3———————Chloroform __________\107-06-2 —————— 1, 2-Dichloroethane "~78-93-3 ———————— 2-Butanone______________71-55-6 ———————— 1,1,1-Tricnioroethane56-23-5———————Carbon tetrachloride____75-27-4 ——————— Bromodichloromethane_______78-87-5———————1, 2-Dichloropropane______10061-01-5—————cis-1,3-Dichloropropene__79-01-6————————Trichloroethene124-48-1——————Dibromochlorome thane79-00-5———————1,1, 2-Trichloroethane____71-43-2 ———————— Benzene10061-02-6—————trans-1,3-Dichloropropene_75-25-2————————Bromoform_________________591-78-6——————2-Hexanone108-10-1——————4 -Methyl - 2 -pentanone127-18-4—*—————Tetrachloroethene79-34-5 ———————— 1,1,2, 2-Tetrachloroethane108-88-3——————Toluene108-90-7——————Chlorobenzene100-41-4———————Ethylbenzene__100-42-5———————Styrene____________1330-20-7——————Xylenes (total)

10101010310101111011011010101010101101010101010101010101010


FORM I VOA 3/90

AROQOI93

1AVOLATILE ORGANICS ANALYSIS DATA SHEET

Lab Name: CH2M HILL/LRD_______ Contract: V34336CCS-RW103T32

Lab Code: _______ Case No.: V34336 SAS No.: ' SDG No.: GC-MS

Matrix: (soil/water) WATER Lab Sample ID: 34336018______

Sample wt/vol: 5.0 (g/mL) ML_ Lab File ID: 92M2V05260

Level: (low/med) LOW Date Received: 11/05/92

% Moisture: not dec. ___ Date Analyzed: 11/10/92GC Column: CAP_____ ID: 0.530 (mm) Dilution Factor: ____l.o

f


CAS NO. COMPOUND (ug/L or Ug/Kg) UG/L Q

74-87-3———————Chloromethane_74-83-9————————Bromomethane__75-01-4————————Vinyl chloridlT75-00-3———————Chloroethane75-09-2———————Methylene chloride67-64-1————————Acetone75-15-0———————Carbon disulfide _______75-35-4 ——————— 1,1-Dichloroetherte______75-34-3 ——————— 1,1-Dichloroethane______540-59-0———————1,2-Dichloroethene (total)67-66-3———————Chloroform_____________;107-06-2 ——————— 1, 2-Dichloroetharie_______78-93-3———————2-Butanone_____________________71-55-6 ——————— 1,1, 1-Trichloroethane56-23-5————————Carbon tetrachloride_____75-27-4- ———— —— Bromodi Chloromethane78-87-5 ——————— 1, 2-Dichloropropane_____10061-01-5————cis-1,3-Dichloropropene__79-01-6———————Trichloroethene _______124-48-1—————-Dibromochloromethane______79-00-5 ——————— l, 1, 2-Trichloroethane___71-43-2———————Benzene ____________________10061-02-6—————trans-1,3-Dichloropropene75-25-2 ———————— Bromoform______________~591-78-6———————2-Hexanone '—108-10-1—,————4-Methyl-2-pentanone____127-18-4——————Tetrachloroethene79-34-5 ———————— 1,1,2, 2-Tetrachloroethane108-88-3———————Toluene108-90-7——————Chlorobenzene_100-41-4———————Ethylbenzene__100-42-5——————styrene______1330-20-7——————Xylenes (total)

101010101010101111011011010101010101101010101010101010101010


FORM I VOA 3/90

CRYOCHEM OU1

Analytical Results

Round 3Dates Sampled: March 2-3,1993

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Round 4Date Sampled: April 2,1993

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SEE NARRATIVE FOR CODEDEFINITIOW

A

iftaed 07/9

CRQL - Contract Required Quan

e

CRYOCHEM OU1

Analytical Results

Round 6Dates Sampled: September 29-30,1993

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Sample No.

Dilu

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actor

Location

COMPOUND

====

====

====

====

====

====

====

====

===

Chlorcvmothane

M.J It

cc nU 11

Bromomethane

-3

fV

0

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ino

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ide

cu

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r

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44

ru

ro

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ene

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0

1

1

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5

i

i

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oeth

ane

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d

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0

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Factor

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location

uKIIIIIIIIIIII11

IIIIt(

11II *II11IIIt

IIIIIt

1111II

IIIIII11MIItlII

IIII

IIIIII

IIIIItIIItII

IItlIIII11IIIIIiII

HII11

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11llIIIIIIIIIItlIIMIt 1II CDItIIItItIIIE »-It •If OIt11IItl 1ii •'IIIIItIIll roII >II OllllllllIInnIIllullMHIIIIIIIIIIII orH CII CCIt JCII w

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ichloroethene

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1

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Location

•li11

1

1

1t1

I

111

IIt

I!II111!I

ItII

IItlII

II1

II

ll

i1

II1!It

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11

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II

li11It11

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•

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——

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1 ii £i

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I

C

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I

oroethcne

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romethane

5

Tr ichloropthane

^

11

o

cruet1 ,

3 - D r

ch 1 or op

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t

K

c.rv

1

%

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cu

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IX

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0

rhlorobcnzene

0fO

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brotno-3-Cliloropropane

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1

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chlorolx-nzcne

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Location

'OUND

oromethane

5 H U

tlHliII1!-J II

u n'

3

J 1

1

1I

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m

lyl

Chloride

I

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a

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1

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ne

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2-Di

chlo

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u

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1-5

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roo'

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CE

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1228

CRYOCHEM OU1

Analytical Results

Round 7Date Sampled: November 10,1993

Resample

AR0G0229

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COMPOUND

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revised 01/92

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CRYQCHEM OU1

Analytical Results

Round 8Date Sampled: January 24,1994

Resample

AR0002W

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CRYOCHEM OU1

Analytical Results

Round 9Date Sampled: July 18,1994

AR0002145

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CRYOCHEM OU1

Analytical Results

Round 10Date Sampled: August 25,1994

Resample

DATA SUMMARY FORM: VOLATELESWATER SAMPLES (jig/L)CRYOCHEM SITE

CASE L408110

RESIDENT NAME

Sample Number

Location of Sample

DichlorodifluoromethaneVinyl ChlorideChloromethaneChloroethaneTrichlorofluoromethaneBromomethane1,1 -DichloroetheneMethvlene Chloridetrans-l,2-Dichloroethene1,1 -Dlchloroethane2,2-Dichloropropanecis- 1,2-DichloroetheneChloroformBromochloromethane1 , 1 . 1 -TrichloroethaneCarbon Tetrachloride1,1-DichloropropeneBenzene1,1 -Dlchloroethane1,2-Dichloroethanerrichloroethene., 2-Dichloropropane3romodichloromethaneDibromomethanecis- 1 .3-DichloropropeneToluenetrans- 1 .3 -Dichloropropene, 1 ,2,2-Tetrachloroethane1,1.2,-Trichloroethane"etrachloroethene,3-Dichioropropane)ibromochloromethane.2-Dibromoethane (EDD)Chlorobenzene1,1.1 .2-TetrachloroethaneithylbenzeneTotal XvlenesStvreneJromoformsopropylbenzcneBromobenzene,2,3 -TrichloropropanePropylbenzene2-Chlorotoluene-Chlorotoluene,2,4-Trimethvlbenzene

tert-Butvlbenzenesec-Butvlbenzene,3,5-Trimethylbenzene

p-Isopropyltoluenem-Dichlorobenzenep-Dichlorobenzeneo-Dichlorobenzene,2-Dibromo-3-chloropropane,2,4-Trichlorobenzene'exachlorobutadiene,2,3-Trichlorobenzene

Naphthalene

Sampling Date: August 25, 1994

DicindioCCS-RW-88W-10Well

45.07.9 B

7.0

54.0

4.3

2.4

CCS-RW-88M-10Midpoint

CCD-RW-88M-10Midpoint

Duplicate Samples

1.2 B 2.3 B

CCS-RW-88T-10Tap

2.3 B

1.8

ClockCCS-RW-451W-10Well

1.2 B

CCS-RW-451M-10Midpoint

1.0 B

CCMS-RW-45 IT-10Tap

CCS-RW-451T-10Tap

Duplicate Samples

1.0 B

f

1.0 B

KountryKitchenCCS-RW-88M-10Tap

AR00025QCL408110.XLS

CRYOCHEM OU1

Analytical Results

Round11Dates Sampled: April 3-6,1994

:AROOQ25i


! .09604O5O3MLab Name: ENVIROSYSTEMS Contract: J_____________

.ab Code: ENVSYS Case No. : R3096 SDG No. : 096040SOSD

Lab Sample ID: 95040711 Date Received: 04/06/95

Lab File ID: 040711 Dajbe Analyzed: 04/11/95

Purge Volume: 25. 0 mL Dilution Factor: 1. 0

CONCENTRATION UNITS:GAS NO. COMPOUND ug/L * Q

74—87—3 ——————— C hloromethane74-83-9 ——————— Bromome thane75-01-4 ———————— Vinql Chloride75— OO-3 ———————— Chloroethane75-09-2 ———————— Me t h q lene Chloride67-64- 1 ———————— Ac e t on e75-15-O ———————— Carbon Disulfide75-35-4 ——————— 1, 1-Dichloroethene75-34-3 —— - ———— 1, 1-D ichloroethane156-60-5 —————— Trans-1* 2-Dich loroethene1 56-59-4 —————— c i s-1* 2-Di ch 1 oroethene67—66—3 ——————— Ch lor of orm1O7-O6-2 ——————— lj 2-Dich Ioroethane78-93-3 ——————— 2-B u tan on e71-55-6 ———————— 1. 1, i-Tr ichloroethane56-23-5 ———————— Carbon Tetrachloride

74-97-5 ——————— Bromochloromethane78-87-5 ——————— li 2-Dichloropropane .,,, .„.,.,10061-01-5 ———— cis-li 3-Dichloropropene79-0 1 -6 ——————— Tr ichloroethene124-48-1 ——————— Dibromochloromethane79-00-5 ——————— 1, 1, 2-Trichloroethane•y 4 ^ _\ *t « jn f-. HK i» _—. •• •»

10O61-O2-6 ————— trans-l< 3-Dichloropropene ___75-2 5-2 ——————— B romoform108-10-1 ——————— 4-Methul-2-Pentanone591-73-6 ——————— 2-Hexanone127-18-4 ——————— Tetrac hi or oethene79-34-5 ——————— 1, 1, 2j 2-Tetrachloroethane ___1 08-88-3 ——————— To 1 u en e108-90-7 ——————— Ch lorobenzene1OO-41-4 ——————— Ethifl benzene96-12-S ——————— 1* 2-Dibromo-3-chloropropane _1OO-42-5 ——————— Sttjrene133O-2O-7 ——————— Xqlene (total)1O6— 93— 4 ——————— 1, 2-Di bromo ethane95-5O-1 ———————— li 2-Dich lorobenzene106—46—7 ——————— li 4— Dich lorobenzene541-73-1 —————— i, 3-Dich lorobenzene

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1A EPA SAMPLE I 3VOLATILE ORGANICS ANALYSIS DATA SHEET _____________

I1 I

• • ' • ' • ' ! .09604050Lab Name: ENVIROSYSTEMS Contract: !_______

_ab Code: ENVSYS Case No. : R3096 SDG No. : 096040505D

Lab Sample ID: 9504O712 Date Received: 04/06/95

Lab File ID: 04O712 Date Analyzed: 04/11/95

Purge Volume: ••- 25.0 mL Dilution Factor: 1. O

CONCENTRATION UNITS:CAS NO. COMPOUND ug/L Q

! 74-87-3 —— ——S 74-83-9 ————5 75-01-4 ————! 75-OO-3 ————! 75-09-2 ————1 L.~I—J-.f\ < _

! 75-15-0 — ——! 75-35-4 ————

8— —— Ch loromethane <M_ „_,.„,„.,,.„,,,.'— — Bromomethane , '——— Vinyl Chloride , , .. , !——— Chloroethane _ !——— Methyl ene Chloride !— —— -Acetone •——— Carbon Disulfide !——— li 1-Dichloroethene J

! 75-34-3 ——————— li 1-Dichloroethane !! 156-60-5 ———5 156-59-4 —— -8 67-66-3 ————J 1O7-06-2 ———S 7g_93_3 ————

! 56™23 5 -! 75-27-4 ————! 7A— 97— «5— ——— .—1 / *T ^ / tj

! 78-87-5 ————i 10061-01-5—! 79-O1 -6 ————i 124-48-1 ———! 79-00-5 ————! 71— A3 P1 / Jk ^^J C.

! 1O06 1-02-6 —

! 108-10-1 ———I W 7 4 / O O

! 127-18-4 ———! 79-34-5 ————! 108-88-3 ———

! 1OO-41-4 ———J 96-12-8 ————S 100-42-5 — —! 1330-20-7 ——! 106-93-4 ———! 95-50-1 ——— —« 1O6-46-7 ———I 541-73-1 ———S

——— Trans-1* 2-Dichloroethene !——— cis-li 2-Dichloroethene _,.,._5——— Chloroform 5———— li 2— Dich loroethane !——— 2— Butanone _„. !• ——— li lj 1— Trichloroethane !——— Carbon Tetrachloride J——— Sromodichloromethane 5——— Bromoch loromethane !——— li 2-Dichloropropane ,„„..„. , i——— cis-1* 3-Dichloropropene !——— Trichloroethene !——— Dibromoch loromethane !——— li I* 2— Trich Ioroethane i——— Benzene !——— trans-l« 3— Dichloropropene ___ !——— Bromoform " !——— 4-Methy 1-2-Pentanone ,.,„,,, S— •• — 2— Hexanone !——— Tetrach lor oethene ,. .,.., !• ——— 1* 1* 2* 2-Tetrach Ioroethane ___ !—— —Toluene „..„,. , !• ——— Ch lorobenzene !——— Et h if 1 benzene !——— 1< 2-Dibromo— 3— ch loropropane _ !——— Sturene !——— Xulene (total) J— • — 1* 2— Dibromoethane '——— 1* 2-Dichlorobenzene !——— 1* 4-Dichlorob«nzene 1——— •!* 3-Dich lorobenzene ; '

!

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1A EPA SAMPLE NOVOLATILE ORGANICS ANALYSIS DATA SHEET _____________

II

i .096040503WLab Name: ENVIROSYSTEMS. Contract: {____________

Lab Code: ENVSYS Case No. : R3096 SDG No. : 096O4O5O5D



Purge Volume: 25.0 mL Dilution Factor: 5.0


!74-S7-3 ———————— Ch loromethane , ,,74— B3— 9 ———————— Bromomethane73-01-A ———————— Vinyl Chloride __. .„,75-on-3 ———————— Chloroethane „ , ...,,„. ,..75-09-5 ———————— Methylene Chloride67- A A- l ———————— A cetone75- 1 5-0 ———————— Car h on Disulfide ., _ _ . ..,7S-35-A ——————— 1* 1-Dichloroethene75-3A-3 ———————— 1. 1-Dichloroethane156-6O-5 ——————— Trans-1 • 2-Dichloroethene ____156-59-4 ——————— cis-li 2-Di ch lor oethene67-6A— 3 ———————— Chloroform ,107-QA-2 ——————— 1,2-Dichloroethane ,, ,78-93-3 ———————— 2-Butanone71-55-6 ——————— 1* li 1-Trichloroethane56-23-5 ———————— Carbon Tetrachloride _75-27-4 ——————— -Bromodich loromethane74-97-5 ——————— —Bromochl oromethane7S-B7-5 ———————— li 2-Dichloropropane „ _ _.,1O061— Ol— 5 ————— cis-1* 3— Dich loropropene79-O1 — £ ———————— Tr ichloroethene12A— AS— 1 ——————— Dibromoch loromethane79-OO-5 ———————— li li 2-Trichloroethane , _ „_..., ....71-43-2 ———————— Benzene ...,,,,10061-02-6 ————— trans-1* 3-Dichloropropene ___75-25-2 ———————— Bromoform ,,....,. . ___,,„,,lOS-10-1 ——————— 4-Methyl-2-Pentanone , _„_591-7B-6 ——————— 2-Hexanone , _.„._.„,127-18-4 —————— Tetrachloroethene79-34-5 ———— - —— 1* 1* 2* 2-Tetrach Ioroethane ___4 /*\O r>*" ^ — Tnlttnnn

1OS-9O-7 ——————— Chlorobenzene , , ,100-41-4 ——————— Ethylbenzene ,„ ,96-12-8 ——————— 1* 2-Dibromo-3-chloropropane _1OO-42-5 ——————— Styrene ,.„_..,_1330-20-7 ——————— Xylene (total)1OA-93-4 ——————— 1, 2-Di bromoe thane . __ ,....„,..„ _ ,,„_95-5O-1 ——————— li 2-Dichlorobenzene ..,..,_. .„.„_.,„„._1 o A- A A-7 ——————— 1 , 4-D i c h 1 o r o b e n z e n e __ _ „5A1-73-1 ——————— 1, 3-Dich lorobenzene. ,„ _____ _

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AR0.002SI*FORM I VGA 3/<?O

1A EPA SAMPLE NCVOLATILE ORGANICS ANALYSIS DATA SHEET __________

\\ .0960405

Lab Name: ENVIROSYSTEMS Contract: !

Lab Code: ENVSYS Case No. : R3096 SDG No. : 096O4O505D


Lab File ID: 040705 Da,te Analyzed: 04/11/95



8 8 88 74-87-3————————Ch loromethane______________8 1 ll8 74-83-9———————Bromomethane_____8 75-01-4———————Vinyl Chloride___• 75-00-3———————Chloroethane_____8 75-09-2———————Me thylene Chloride.8 67-64-1———————Acetone_________8 75-15-0———————Carbon Disulfide_8 75-35-4———————1* 1-Dichloroethene.8 75-34-3———————1* 1-Dichloroethane156—6O—5———————Trans—li 2—Dichloroethene.156—59—4——————cis-1* 2—Dichloroethene_67-66-3———————Ch 1 orof orm___________107-06—2———————1* 2—Dlchloroethane____

S 78-93-3———————2-Butanone_________8 71-55-6———————1* 1. 1-Trichloroethane.8 56-23-5———————Carbon Tetrachloride__8 7S-27-4———————Bromodlchloromethane74-97—5———————Bromoch loromethane______78-87-5———————1* 2-Dichloropropane___"10061-O1-5—————cis-i* 3-Dichloropropene__79—01—6————————Trichloroethene_________124-48—1———————Dibromoch loromethane____79-00-5———————1* 1* 2-Trichloroethane71 -43-2———————B en z en e______________•10061-02-6—————trans-1* 3-Dichloropropene.75-25-2———————Bromoform________________________

8 108-10-1———————4-Methyl-2-Pentanone____I 591-78-6———————2-Hexanone_____________8 127-18-4——————Tetrach lor oeth ene_______I 79-34-5————————1* 1* 2* 2-TetrachIoroethane.108-88-3———————To 1 u ene___________________108—9O—7———————Chlorobenzene_________' .' _1OO-41-4———————Ethylbenzene____________________96—12-8————————1* 2—Dibromo-3—chloropropane_

8 100-42-5———————Styrene.1330-20-7——————Xylene (total).

8 106-93-4——————1* 2-Dibromoethane! 95-50-1———————1* 2-Dich lorobenzene.8 1O6-46-7———————1* 4-Dichlorobenzene.J 541-73-1——————1* 3-Dichlorobenzene8________

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AROQQ255

1A EPA SAMPLE NOVOLATILE ORGANICS ANALYSIS DATA SHEET

:8 096040505M

Lab Name: ENVIROSYSTEMS: Contract: !



Lab File ID: 040703 Da-te Analyzed: 04/11/95

Purge Volume: 25. O mL Dilution Factor: 1.0

CONCENTRATION UNITS:CAS NO. COMPOUND ug/L * Q

874-87-3 ——————— Ch loromethane74-83-9 ——————— Bromomethane75-O1 -4 ——————— Vinyl Chloride7 5-OO-3 ——————— C hloroethane75-O9-2 ——————— Methylene Chloride67-64- 1 ——————— Ac e t on e75-15-O ——————— Carbon Disulfide75-35-4 ——————— 1* 1-Dichloroethene75-34-3 ———————— 1* 1-Dichloroethane156-6O-5 ——————— Trans-1* 2-Dichloroethene156-59-4 ——————— cis-1* 2-Dichloroethene ..__....,67-66-3 ——————— Ch 1 or of or m107-06-2 ——————— Ii2-Dichloroethane , ,78—93—3 — —— —— — 2— B u tan on _71-55-6 ——————— 1, 1, 1-Tr ichloroethane56-23-5 ——————— Carbon Tetrachloride75-27-4 ——————— Bromodlchloromethane74—97—5 ——————— Bromochl oromethane78—87-5 ——————— 1. 2— Dich loropropane10061-01-5 ————— cis-1* 3-Dichloropropene79-0 1 -6 ——————— Tr ichloroethene124-48-1 ——————— Di bromochl oromethane

71-43-2 ——————— Ben z ene10061-02-6 ————— trans-1* 3-Dichloropropene ___75-25-2 ——————— Bromoform108-10-1 ——————— 4-Methyl-2-Pentanonee •* m ••m f *^tlnij^MM_H5 v l — / B— o— — — — — 2— H e x a n o n e127-18-4 ——————— Tetrach lor oethene™P _'__« 1 ft R — * *"^ ^^ *f* I~I-_I_B -•_•&• _> _• •• M _» &• •• • » ••/v— 34— 5- — — — — — — — 1* 1* 5* S— Tetrach Ioroethane1 08-8S-3 ——————— To 1 u en e108-90-7 ——————— Ch 1 orob en z ene100-41-4 ——————— Ethylbenzene96-12-8 ——————— 1* 2-Di bromo-3-ch loropropane _1 00-42- 5 —————— S t u r en e1330-20-7 —————— Xulene (total)106-93-4 —————— 1* 2-Di bromoe thane95-50-1 ———————— 1 * 2-Di c h 1 or ob en z ene106-46—7 ——————— 1* 4-Dich lorobenzene _

8 541-73-1 ——————— 1* 3-Dich lorobenzene _,!

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1A EPA SAMPLEVOLATILE ORGANICS ANALYSIS DATA SHEET ____________

S . 0960405QLab Name: ENVIROSYSTEMS Contract: 8______

Lab Code: ENVSYS Case No. : R3096 SDG No. : 09604O505D


Lab File ID: 040704 Date Analyzed: 04/11/95



! 874-87-3 ———————— Ch loromethane ... 874-83-9 ——————— Br omome thane75-01 -A ———————— Vinyl Chloride75— OO— 3 ———————— Chloroethane ,., ,,,,,.75-O9-2 ———————— Me thylene Chloride67-64-1 ———————— Acetone75-15-O ———————— Carbon Disulfide75-35-4 ———————— 1* 1-Dichloroethene ,„ ,..„„ „,75-34-3 ——————— I* 1-Dichloroethane156-6O-5 ——————— Trans-1* 2-Dichloroethene156-59-4 ——————— cis-1* 2-Dichloroethene _67-66-3 ——————— Chloroform1O7— O6— 2 ——————— li 2— Dlchloroethane78-93-3 ———————— 2-Butanone71—55—6 ———————— li li 1— Trichloroethane56—23-5 ———————— Carbon Tetrachloride75-27-4 ———————— Bromod ich loromethane _. __„.,._74—97—5 ———————— -Bromoch loromethane7S-B7-5 ———————— li 2-Dichloropropane1OO61-O1-5 ————— cis-1, 3-DichloropropeneM79-0 1 -6 ———————— Tr ichloroethene124-48-1 ——————— Dibromochloromethane .... „ , , .79-00-5 ———————— li 1, 2-Trichloroethane ,.. „ ,71-43-2 ———————— Benzene10061-O2-6 ————— trans-1* 3-Dichloropropene ___75-25-2 ——————— BromoformlOS-lO-1 ——————— 4-Methyl-2-Pentanone591-78-6 ——————— 2-Hexanone127-18-4 —————— Tetrachloroethene79-34-5 ——————— 1* 1* 2* 2-Tetrachloroethane_ __108-88-3 ——————— Toluene108-90-7 —————— Chlorobenzene1OO-41— 4 ——————— Ethy Ibenzene96—12—8 ———————— 1* 2— Dibromo— 3— ch loropropane _ .1OO-42-5 ——————— Styrene1330-20-7 ——————— Xylene (total)1O6-93-4 ——————— 1* S-Dibromoethane95-50-1 ——————— li 2-Dich lorobenzene106—46—7 ——————— 1* 4— Dichlorobenzene54 1 -73- 1 ——————— 1 * 3-D ichlorobenzene

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1A EPA SAMPLE NCVOLATILE ORGANICS ANALYSIS DATA SHEET __j___________

II

! 096040505WLab Name: ENVIROSYSTEMS Contract: !____

Lab Code: ENVSYS Case No. : R3096 SDG No. : 096040505D

Lab Sample ID: 95040702 Date Received: 04/O6/95

Lab File ID: 040702 Dajte Analyzed: 04/11/95

Purge Volume: 25.0 mL Dilution Factor: 5. O

CONCENTRATION UNITS:CAS NO. COMPOUND ug/L , Q

88 74-87-3 ———————— C hloromethanei 74-83-9 ——————— Bromomethane8 75-01-4 ———————— Vinyl Chloride8 75-00-3 ———————— Chloroethane8 75-O9-2 ——————— Methyl ene Chloride67—64—1 ———————— A c e t o n e75-15-O ———————— Carbon Disulfide75-35-4 ———————— 1* 1-Dichloroethene75-34-3 ———————— li 1-Dichloroethane156-6O-5 ——————— Trans-1 1 2-Dichloroethene1 56-59-4 ——————— c i s-1 * 2-D i c h 1 or oethene67-66-3 ——————— Ch 1 orof orm1 07-O6-2 ——————— 1 * 2-D ichloroethane78-93-3 ——————— 2-B u tan on e71-55-6 ———————— li 1* 1-Trich Ioroethane56-23-5 ——————— Car b on Te trach 1 or i d e75-27-4 ———————— Bromodich loromethane74—97—5— —————— Bromochl oromethane78-87-5 ——————— 1* 2-Dich loroprooane10061-01-5 ————— cis-1* 3-Dichloropropene79-0 1 -6 ———————— Tr ichloroethene124-48-1 ——————— Di bromochl oromethane79-00-5 ——————— 1* 1* 2-Trichloroethane7 1 -43-2 ——————— B e n z e n e10061-02—6 ——— — trans— 1* 3-Dich loropropene ___75-25-2 ——————— Bromoform108-10-1 ——————— 4-Methul-2-Pentanone59 1 -78-6 ——————— 2-He x an on e127-18-4 ——————— Te trach lor oethene79-34-5 ———————— 1* 1* 2* 2-Tetrach Ioroethane ___108-88-3 ——————— Toluene108-9O-7 ——————— Ch lorobenzene „100-41-4 ——————— Ethylbenzene96—12—8 ——————— 1* 2-Di b r omo— 3— ch loropropane _1 00-42-5 —————— S t u r e n e1330-20-7 ————— Xulene (total)1O6-93-4 ——————— 1* 2-Di br omo ethane95-50-1 ——————— 1* 2-Dich lorobenzene1O6-46— 7 ——————— 1* 4-Dich lorobenzene541-73-1 ——————— 1* 3-Dich lorobenzene _

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FOR* i VGA "R000258

1A EPA SAMPLE I"VOLATILE OR CAN ICS ANALYSIS DATA" SHEET ____________

II

! -096040561-Lab Name: ENVIROSYSTEMS Contract: I_______

i_ab Code: ENVSYS Case No. : R3O96 SDG No. : 096O4O5O5D-i


Lab File ID: 040708R Da*e Analyzed: 04/12/95


CONCENTRATION UNITS:GAS NO. COMPOUND ug/L Q

874-S7-3 ———————— Ch loromethane ,„ ,. ' ' '74-83-9 ——————— Bromomethane

! 75-01-4 ——————— Vinyl Chloride

75-09-2 ———————— Me thylene Chloride67-64-1 ———————— Acetone75-15-0 ————————— Carbon Disulfide75-35-A ———————— li 1-Dichloroethene75-34-3 ———————— 1, 1-Dichloroethane ..,,_ „,_,..„„156— 6O— 5 ——————— Trans— 1* S— Dichloroethene156-59-4 ——————— cis-1* 2-Dichloroethene67-66-3 ———————— Ch 1 or o f or m107-06-2 ——————— Ii2-Dichloroethane ,78-93-3 ——————— 2-B u tan on e71-55-6 ———————— li 1, 1-Trichloroethane56-23-5 ——————— Carbon Te trach lor ids ___75-27-4 ——————— Bromodich loromethane74-97-5 ———————— Bromoch loromethane78-87-5 ———————— I* 2-Dichloropropane10061-O1-5 ————— cis-1* 3-Dichloropropene.79-O1-6 ———————— Trichloroethene124-413—1 ——————— Dibromoch loromethane79-OO-5 ———————— 1* !• 2-Trichloroethane71-43-2 ———————— Benzene _10061-O2-6 ————— trans-1* 3-Dichloropropene ___75-25-2 ———————— Bromoform1OB-1O-1 ——————— 4-Methifl-2-Pentanone591-78-6 ——————— 2-Hexanone127-18-4 ——————— Tetrac hi or oethene79-34—5 ———————— 1* 1* 2* 2— Tetrach Ioroethane ___108-88—3 ——————— Toluene108-90-7 —————— Ch lorobenzene100-41-4 —————— Ethylbenzene

1 00-42-5 —————— Sty r en e1 330-20-7 —————— X ylene (total)1O6-93-4 ——————— 1* 2-Dibromoethane95-50-1 ———————— 1* 2-Dich lorobenzene _ _ ,._1O6— 46— 7 ——————— 1* 4— Dich lorobenzene541—73—1 ——————— 1* 3— Dich lorobenzene

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1A EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET _________

I .096040568T_ab Name: ENVIROSYSTEMS Contract: !___________



Lab File ID: 040709 Da,fre Analyzed: 04/11/95



74-87-3 ———————— Ch loromethane ... '74-83-9 ———————— Bromomethane75-01-4 ———————— Vinyl Chloride75-OO-3 ———————— Chloroethane75-09-2 ———————— Me th y 1 ene Chloride67-64- 1 ———————— Ac e t on e75— 15-O ———————— Carbon Disulfide75-35-4 ———————— li 1-Dichloroethene75-34-3 ———————— li 1-Dichloroethane156-60-5 ——————— Trans-1* 2-Dichloroethene156-59-4 ——————— cis-1* 2-Dichloroethene67-66-3 ——————— Chloroform1O7-06-2 ——————— 1* 2-Dich loroethane78-93-3 ——————— 2-Butanone _71-55-6 ———————— I* 1. 1-Tr ichloroethane,56—23—5 ————————— Car b on Te tr ac h 1 or i d e ______75-27-4 ———————— Bromodich loromethane _74-97-5 ———————— Bromochl oromethane7S-S7-5 ———————— 1* 2-Dichloropropane ft _.. ., . _ _10061-01-5 ———— cis-li 3-Dichloropropene79-0 1 -6 ——————— Tr ichloroethene124-48-1 ——————— Dibromoch loromethane79-00-5 ——————— li 1* 2-Trichloroethane71-43-2 ——————— B en z en e10061-02-6 —— —— trans-1* 3-Dichloropropene _____75-25-2 ——————— Br omo f or m108-10-1 ——————— 4-Methyl-2-Pentanone59 1 -78-6 ——————— 2-He x a n o n e127-18-4 ——————— Te trach lor oethene79-34-5 ———————— 1* 1* 2* 2-Tetrach loroethane ___1O8-8S-3 ——————— To 1 uene1 08-90-7 ——————— Ch lorobenzene100-41-4 ——————— Ethylbenzene96-12-8 ——————— 1* 2-Di bromo-3-ch loropropane _100-42-5 —————— Styrene1330-20-7 —————— Xylene (total)106-93-4 ——————— 1* 2-Di bromoe thane95-5O-1 ——————— 1* 2-Dich lorobenzene1O6-46-7 ——————— 1* 4-Dich lorobenzene541-73-1 ——————— 1. 3-Dich lorobenzene

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AR000260FORM I VGA 3/90

1A r EPA SAMPLE ,",JVOLATILE ORGANICS ANALYSIS DATA SHEET ___________

I —! .096040561

Lab Name: ENVIROSYSTEMS Contract: !______

<_ab Code: ENVSYS Case No. : R3096 SDG No. : 096O40505D


Lab File ID: 040707R Dajce Analyzed: 04/12/95

Purge Volume: 25.0 mL Dilution Factor: l. o


74-87-3 ———————— Chloromethane .,, ,„„.,_74-83-9 ——————— Br omomethane75-O1 -4 ——————— Vinyl Chloride75-OO-3 ———————— Ch loroethane75-09-2 ———————— Methyl ene Chloride67—6 4—1 ———————— A c e t o n e75-15-O ———————— Carbon Disulfide75-35-4 ———————— li 1-Dichloroethene75-34-3 ———————— li 1-Dichloroethane156-6O-5 ——————— Trans-1 1 2-Dichloroethene ___156—59-4 ——————— cis-1, 2-Dichloroethene67-66-3 ———————— Chloroform1O7-O6-2 ——————— 1, 2-Dich loroethane78— 93— 3— —————— —2— B u tan on e71-55-6 ———————— 1* li 1-Trichloroethane ,56—23—5 ———————— Carbon Tetrachloride75—27—4 ———————— Bromodi Chloromethane74—97—5——— — — — -Bromoch loromethane78-87—5 ———————— 1* 2-Dich loro pro pane10061-01-5 ———— cis-1* 3-Dich loropropene79—0 1 —6 ———————— Tr ichloroethene

79-00-5 ——————— li li 2-Trichloroethane ...71-43-2 ——————— Benzene10061-O2-6 ————— trans-1* 3-Dichloropropene __75-25-2 ——————— Bromoform1OB-1O-1 ——————— 4-Methyl-2-Pentanone __. _ __ _..RQ4 ™»« * ÎIrtu-Lnj»»«_3vi— 7B— o— —— ——— 2— Hexanone127-18-4 ——————— Tetrachloroethene79-34-5 ——————— 1* 1, 2* 2-Tetrach loroethane __1 08-88-3 ——————— T oluene1 08-90-7 —————— C hlorobenzene100-41-4 ——————— Ethulbenzene96-12-8 ——————— 1, 2-Di bromo-3~ch loropropane,100-42-5 ——————— Styrene1330-2O-7 —————— Xylene ( total}106-93-4 ——————— 1* 2-Di bromoe thane95-50-1 ———————— 1* 2-Dich lorobenzene ___1O6— 46— 7 ——————— 1 1 4-Di c h 1 or ob en z ene541-73-1 ——————— li 3-Dichlorabi»nzene ., .

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1A EPA SAMPLE NCVOLATILE ORGANICS ANALYSIS DATA SHEET ____________

II

I .096040574MLab Name: ENVIROSYSTEMS Contract: 8____________





CONCENTRATION UNITS:CAS NO. COMPOUND ug/L . * Q

i . Ii 74—87—3 — • —————— Chloromethane8 74— S3— 9 ———————— Bromomethane8 75-01-4 ———————— Vinyl Chloride! 75— OO-3 — • — • ——— —Chloroethane! 75-09-2 ———————— Me thylene ChlorideI 67-64-1 ———————— Acetone8 75-15-0 ———————— Carbon Disulfide ,,,8 75-35-4 ———————— 1* 1-Dichloroethene ,8 75-34-3 ——————— li 1-Dichloroethane8 156-6O-5 ——————— Trans-1* 2-Dichloroethene ____1 156-59-4 ——————— cis-1* 2-Dichloroethene8 67—66—3 —— • ————— Chloroform! 1O7-06-2 ———————— li 2-Dichloroethane• 78—93-3 ——————— 2-Butanone8 71-55-6 ———————— 1* li 1-Trichloroethane8 56—23—5— — —————Carbon Tetrachloride8 75-27-4 —————— • — Bromodich loromethane8 74-97-5 ——————— Bromoch loromethaneI 78-87—5 ———————— li 2— Dich loropropane8 1O061-O1-5 ————— cis-1* 3-Dich loropropeneI 79-O1 -6 ———————— Trichloroethene „ ,1 124-48-1 ——————— Dibromoch loromethane1 79-OO-5 ———————— li 1* 2-Trichloroethane8 71-43-2 ——————— Benzene8 10061-02-6 ————— trans-1* 3-Dichlpropropene ___8 75-25-2 ——————— Bromoform8 108-10-1 ——————— 4-Methyl-2-Pentanone8 591-78-6 ——————— 2-Hexanone8 127-18-4 —————— Tetrachloroethene8 79-34-5 ———————— li 1, 2* 2-Tetrach loroethane ___8 1O8-B8-3 ——————— Toluene8 108— 9O— 7 ——————— Ch lorobenzene8 1OO-41-4 ——————— Ethylbenzene• 96—12—8 ——————— 1* 2-Dibromo— 3— ch loropropane _ „I 1OO— 42-5 ——————— Styrene8 1330-20-7 —————— Xylene (total)8 1O6-93-4 ——————— 1* 2-Dibromoethane ,.,_,.. _. ,8 95-50-1 ——————— 1* 2-Dichlorobenzene _„„„_„,..,„ ,„.,„,.8 106-46-7 ——————— li 4-Dich lorobenzene8 541-73-1 ——————— 1* 3-Dich lorobenzeneii

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AR000262FORM I VOA 3/9O

1A EPA SAMPLE UJVOLATILE DRGANICS ANALYSIS DATA SHEET _____________

I8

Lab Name: ENVIROSYSTEMS Contract: !

<_ab Code: ENVSYS Case No. : R3096 SDG No. : 09604O505D

Lab Sample ID: 95O4O7O1 Date Received: 04/O6/95-, -.} ,i_




8J 7A-B7— 3 ————————— Ch 1 or ome thane .,. _. __8 74—83—9 ———————— BromomethaneS 75-01-A ———————— Vinyl Chloride .8 75-OO-3 ———————— Chloroethane8 75-09-2 ——————— Me thylene Chloride8 67-64-1 ——————— Acetone8 75-15-0 ——————— Carbon Disulfide8 75-35-4 ——————— 1. 1 -Dichloroethene8 75-34-3 ———————— 1* 1-Dichloroethane8 156— 6O— 5 ——————— Trans— 1* 2— Dichloroethene8 156-59-4 ——————— cis-1* 2-Dichloroethene! 67-66—3 ———————— Chloroform ._,,J 107-06-2 ——————— 1, 2-Di Chloroethane! 79-93-3 ———————— 2-ButanoneS 71-55-6 ———————— 1* li 1-Tr ichloroethaneJ 56—23-5 ———————— Carbon Tetrachloride _„8 75-27-4 ——————— Bromodi Chloromethane8 74-97-5 ———————— Bromoch loromethane8 78-87-5 ———————— i* 2-Dichloropropane! 10061-01-5 ————— cis-l» 3-Dichloroprooene8 79-0 1-6 ———————— Tr ichloroethene! 124—48—1 ——————— Dibromoch loromethane8 79-OO-5 ———————— 1* 1* 2-TrichloroethaneI 71-43-2 ———————— Benzene8 10061—02—6 ————— trans-1* 3— Dichloropropene8 75-25-2 ——————— BromoformI 108-10-1 ——————— 4-Methyl-2-Pentanone1 CS* ~Tf"l / *•* 11- . . .-. n rt j-.i 591— /B— 6 — — — — —2— Hex an one8 127-18-4 ——————— Tetrachloroethene _. ,._._5 79-34-5 ———————— 1* 1* 2* 2-Tetrach loroethane _8 1O8— 88— 3 ——————— TolueneI 108— 9O— 7 ——————— Ch lorobenzene8 100-41-4 ——————— Ethylbenzene8 96-12-8 ———————— 1* 2-Di bromo-3-ch loropropane8 100-42-5 ——————— Sturene8 1330-20-7 —————— Xylene (total)8 106-93-4 —————— 1* 2-Di bromoe thane8 95-50-1 ——————— 1. 2-Dich lorobenzene8 106-46-7 ——————— 1* 4-Dich lorobenzene8 541-73-1 —————— 1* 3-Dichlorobenzenes „ ,.,

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ftAR000263

1A EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS D.ATA SHEET _____________

' ! 88 .0960405FQ5 I

.ab Name: ENVIROSYSTEMS . Contract: !____________«

"Lab Code: ENVSYS Case No. : R3096 SDG No. : 09604O505D

Lab Sample ID: 9504O713 Date Received: 04/O6/95


Purge Volume: - 25.0 mL Dilution Factor: l. O


74-87-3 ———————— Chloromethane74—83—9 ———————— B romomethane75-O1-4 ————————— Vinyl Chloride75-00-3 ———————— Ch loroethane75-O9-2 ———————— M ethylene Chloride67-64- 1 ———————— Ac e t on e75-15-0 ———————— Carbon Disulfide75-35-4* —— ————— li 1-Dichloroethene"T" i_*"J /l.*""l. 1 ^ n«i«t.'l«MMji* 4* h •• M _/s— 3*f— 3— —— — —— li l— Dicn loroettnane156-60-5 —————— Trans-1* 2-Dichloroethene ____156-59-4 ——————— cis-li 2-Dichloroethene67-66—3 ———————— Ch lor o form1 07-06-2 ———————— 1 * 2-D ichloroethane78-93-3 ——————— 2-B u tan on e71-55-6 ———————— li 1. 1-Tr ichloroethane56-23-5 ———————— Carbon Tetraehloride .„„_„..„ .__75-27-4 ———————— Bromodi Chloromethane ._74-97-5 ———————— Bromochl oromethane78-87-5 ———————— 1, 2-Dichloropropane10061-O1-5 ————— cis-1* 3-Dichloropropene79-0 1 -6 ———————— Tr ichloroethene124—48—1 ——————— Dibromoch loromethane79-OO-5 ———————— 1* 1* 2-Trichloroethane _ ...7 1 -43-2 ———————— B e n z e n e10061— O2— 6 ——— —— trans— li 3— Diehlorooropene75-2 5-2 ——————— B romoform108-1O-1 ——————— 4-Methyl-2-Pentanone591-78-6 —————— 2-Hexanone127-18-4 —————— Tetrachloroethene79-34-5 ——————— 1* l, 2* 2-Tetrach loroethane ___1 08-88-3 ——————— To 1 u en e1 08-90-7 ——————— C hlorobenzene100-41-4 ——————— Ethy 1 benzene96—12—8 ———————— 1* 2-Di br omo— 3— ch loropropane _ __100-42-5 ——————— Styrene1330-20-7 —————— Xylene (total)106-93-4 ——————— 1* 2-Dibromoethane ,_ _..,.,95-50-1 ———————— 1* 2-Dich lor obenzene _106-46-7 ——————— 1* 4-Dichlorohenzene541-73-1 ——————— 1* 3-Dichlorobenzene _.,,_„„

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AR000261*FORM I VGA 3/<?O

1A EPA SAMPLE ,,CVOLATILE ORGANICS ANALYSIS DATA SHEET ____________

4

i . 0960405M5Lab Name: ENVIROSYSTEMS Contract: • 8_______JR,__

Lab Code: ENVSYS Case No. : R3096 SDG No. : O96O4O5O5D


Lab File ID: 04O706 Daite Analyzed: 04/11/95:* -1



8 11 74— B7— 3 ———————— Chloromethane74— B3— 9 ———————— Bromomethane75-01 -A ———————— Vinyl Chloride75-OO-3 ———————— Chloroethane .... „,..75-09-2 ———————— Me thylene Chloride67—64— 1 ———————— Ac e t on e75-15-0 ———————— Carbon Disulfide75-35-4 ——————— 1* 1 -Dichloroethene75-34-3 ——————— 1* 1-Dichloroethane156-60-5 —————— Trans-1* 2-Dichloroethene ____156-59-4 ——————— cis-1, 2-Dichloroethene _67—66—3 ———————— Chloroform107-06-2 ———————— Ii2-Dichloroethan«78—93—3 ——————— -2— Bu tan one71-55-6 ———————— li 1, 1-Trichloroethane , , ,56-23-5 —————— —Carbon Tetrachloride ,,,_.._ __,.,„,.75-27-4 ——————— Bromodich loromethane ... „,_,„„..,.74-97-5 ——————— Bromochl oromethane78-87-5 ——————— 1* 2-Dichloropropane1OO61— Ol— 5 ————— -cis— 1* 3— Dichloropropene79-O1-6 ———————— Trichloroethene124-48-1 ——————— Dibromoch loromethane79-OO-5 ——————— 1, 1, 2-Trichloroethane71-43-2 ———————— Benzene10061-02-6 ————— trans-1, 3-Dich loropropene. _____

108-10-1 ——————— 4-Methyl-2-Pentanone591-78-6 ——————— 2-Hexanone127-18-4 ——————— Te trach lor oethene79-34-5 ——————— 1* li 2* 2-Tetrach loroethane ___108-88-3 ——————— Toluene108-9O— 7 ——————— Chlorobenzene100-41-4 ——————— Ethylbenzene96— 12-B ——————— 1. 2— Dibromo— 3— ch loropropane _100-42-5 ——————— Styrene1330-20-7 —————— Xylene (total)106-93-4 ———— —— li 2-Dibromoethane95-50-1 ——————— li 2-Dichlorofaenzene

8 106-46-7 ——————— 1* 4-Dichlorofaenzene8 541-73-1 ——————— 1* 3-Dichlorofaenzene8

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AR000265T VHA ' 3/9O

1A EPA SAMPLE NO.VOLATILE QRGANICS ANALYSIS DATA SHEET _____________

! 096040673Mrab Name: ENVIROSYSTEMS • Contract: !___

Lab Code: ENVSYS Case No. : R3O96 SDG No. : 096O4O505D

Lab Sample ID: 95040758 Date Received: O4/O7/95

Lab File ID: 040758 Date Analyzed: 04/11/9-5



88 74-B7— 3— —— — ——— -Ch loromethanei 74-83—9 — • — • — ———Bromomethane8 75-O1 -4 ——————— Vinyl Chloride8 75-00-3 ——————— Ch 1 or oe thane8 75-09-2 ——————— Methylene Chloride8 67-64-1 ———————— Acetone8 75-rlS-O ——————— Carbon Disulfide8 75-35-4 ———————— li 1-Dichloroethene! 75-34-3 ———————— li 1-Dichloroethane8 156— 6O— 5 ——————— Trans— 1* 2— Dichloroethene\ 156-59-4 ——————— cis-1* 2-Dichloroethene8 67-66-3 ———————— Chloroform „8 107-06-2 ——————— 1* 2-Dich loroethane .8 78-93-3 ——————— 2-B u tan on e8 71-55-6 ——————— 1* 1, 1-Trichloroethane ,._,._1 56-23-5 ———————— Carbon Tetrachloride8 75-27-4 ——————— Bromodi Chloromethane1 74-97—5 ——————— Bromochl oromethane8 78-87-5 ——————— 1* 2-DichloropropaneI 10061-01-5 ———— cis-1* 3-DichloropropeneI 79-01-6 ———————— TrichloroetheneI 124— 48— 1 ——————— Dibromoch loromethane8 79-00-5 ———————— 1, I* 2-Trichloroethane8 71-43-2 ——————— Benzene8 10061-O2-6 ———— trans-1* 3-Dichloropropene ___8 75-25-2 ——————— BromoformI 1OB-10-1 ——————— 4-Methy 1-2-Pentanone8 591-7B-6 ——————— 2-Hexanone8 127-1B-4 ——————— Tetrachloroethene8 79-34-5 ——————— 1* 1* 2* 2-Tetrachloroethane ___:4 /^Q__O« *3 __ __ *rn1t._«A

J 1 OS-90-7 ——————— Ch lorobenzene1 1OO-41-4 ——————— Ethylbenzene8 96-12-8 ——————— 1* 2-Dibromo-3-ch loropropane8 100-42-5 —————— Sturene8 1330-20-7 —————— Xylene (total)8 1O6-93-4 ——————— 1* 2-Dibromoethane ._„, ,8 95-50-1 ——————— 1* 2-Dichlorobenzene _.,.,_8 1O6-46-7 ——————— 1* 4-Dichlorobenzene,1 541-73-1 ——————— 1* 3-Dichlorobenzene _ii

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AR000266FORM I VOA 3/90

1A EPA SAMPLE Mu.VOLATILE ORGANICS ANALYSIS DATA SHEET ____________

It 5 096040673

Lab Name: ENVIROSYSTEMS Contract: I _________

i_ab Code: ENVSYS Case No. : R3O96 SDG No. : 096O40505D





i S i i8 74-B7-3———————Chloromethane__________"• • I 1 8U 88 74-83-9———————Bromomethane_______________8 1 !U 8

1 8U 88 75-01-4———————Vinyl Chloride..75-00-3———————Chloroethane_____75-09-2———————Methyl ene Chloride.67-64-1 ———————Ac e t one ____________

8 75-15-O———————Carbon Disulfide_______8 75-35-4———————1* 1-Dichloroethene_____8 75-34-3———————1* 1-Dichloroethane_____I 156-60-5———————Trans-1* 2-Dichloroethene.8 156-59-4——————cis-1* 2-Dichloroethene__8 67-66—3————————Ch 1 or of orm________________8 107-06-2———————1* 2-Dichloroethane_____j 7Q-93-3———————2-Butanone_______________8 71-55-6———————li li 1-Trichloroethane__8 56-23-5———————Carbon Tetrachloride___8 75—27-4———————Bromodlchloromethane___8 74-97—5————————Bromochl oromethane_____8 7B—87—5————————1* S—Dichloroorooane8 1O061—O1-5—————c is—1* 3—Dichloropropene.I 79-O1-6————————Trichloroethene_______I 124-48—1———————Dibromoch loromethane____• 79-00-5———————1* 1* 2-Trichloroethane___I 71-43-2————————Benzene_______________________8 10061-02-6—————trans-1* 3-Dichloropropene.8 75-25-2———————Bromoform_______________8 108-10-1 —————— 4-Methyl-2-Pentanone ____I 591-78-6 ——————— 2-Hexanone _____________8 127-18-4 —————— Tetrachloroethene _______8 79-34-5 ———————— 1* 1* 2* 2-Te trach loroethane.8 108-88-3 ——————— Toluene _________________8 108-90-7 —————— Ch lorobenzene8 100-41-4 —————— Ethylbenzene.96-12-8———————li 2-Dibromo-3-chloropropane_

8 100-42-5——————Styrene_________________1330-20-7—————Xy lens (to ta 1).

8 106-93-4——————li 2-Dibromoethane__8 9S-50-1———————li 2-Dich lorobenzene.8 1O6-46-7———————Ii 4-Dichlorobenzene.8 541-73-1———————1* 3-Dich lorobenzene.

1 IU 82 8U I5 IU I1 IU I1 IU Ii :u :i ;u ii iu !1 !Ui :u5 !U1 8U1 IUi ;ui :ui iu1 !Ui :ui :ui :ui iui :ui :us :u5 IUi :u1 8Ui :ui :ui sui :ui :ui iu1 !Ui :ui :u ii iu i

8 _________________________________________8 8 ____!

AR000267

1A EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET ______________

8I .096040673W

.Lab Name: ENVIROSYSTEMS^ Contract: 8____



Lab File ID: 040757 Dajbe Analyzed: 04/11/95

Purge Volume: ---• - 25. O mL Dilution Factor: 5.0


i i i '\ 74-87-3————•——Chloromethane____________________8 5 8U8 74-83-9———————Bromomethane___________________8 75-01-4———————Vinyl Chloride.8 75-00-3———————Chloroethane

I

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8 75-09-2———————Me thylene Chloride.8 67-64-1————————Acetone__________"8 75-15-O———————Carbon Disulfide__________8 75-35-4———————1* 1-Dich lor oethene_____8 75-34-3———————1* 1-Dichloroethane_____8 156-60-5———————Trans-1* 2-Dichloroethene.8 156-59-4——————cis-1* 2-Dichloroethene__8 67—66—3———————Chloroform____________8 107-06-2——————1, 2-Dich loroethane_____78-93-3———————2-B u tan on e ___________71-55-6———————1* 1* 1-Tr ichloroethane__56-23-5———————Car bon Te tr a c h 1 or i d e___

8 75-27-4———————BromodiChloromethane__8 74—97—5———————Bromoch loromethane____8 78-87-5———————1* 2-Dichloropropane___8 10061-01-5————cis-1* 3-Dichloropropene.I 79-01-6———————Trichloroethene_______I 124-48-1——————Dibromoch loromethane_I 79-00-5———————1* 1, 2-Trichloroethane71-43-2———————Benzene

8 10O61-02-6 ———— trans-li 3-Dichloropropene75—25—2 ——————— Bromoform ____ _1O8-1O-1 ——————— 4-Methyl-2-Pentanone591-78-6 ——————— 2-Hexanone

8 127-18-4 ——————— Tetrachloroethene8 79-34-5 ——————— 1* 1* 2* 2-Te trach loroethane8 108-88-3 ——————— Toluene8 1 08-90-7 —————— C hlorobenzene _____________100-41-4 —————— Ethylbenzene

8 96-12-8———————1* 2-Dibromo-3-chloropropane_8 100-42-5——————Styrene_________:____________8 1330-20-7——————Xylene (total)_________________8 106-93-4——:————1* 2-Di br omo ethane_____________95-50-1———————li 2-Dich lorobenzene.106—46—7———————1* 4—Dich lorobenzene.541-73-1———————1* 3-Dich lorobenzene

5 !U5 !U 85 IU 85 8U I5 8 U 8

25 8 U 823 8 U 85 IU 85 IU 85 8U 85 !U i5 !U J5 iU 85 IU5 iU i5 8U 8s :u ;5 8U 85 8U 8

8________:__________________________________8____________8____I


1A EPA SAMPLE NVOLATILE ORGANICS ANALYSIS DATA SHEET ____________

8 09604068Lab Name: ENVIROSYSTEMS Contract: !

,ab Code: ENVSYS Case No. : R3096 SDG No. : 09604O505D



Purge Volume: -^ 25.0 mL Dilution Factor: 1.0


74-S7-3 ———————— Chlorome thane74— B3— 9 ————————— Bromomethane75-01-4 ———————— Vinyl Chloride75— OO— 3 ———————— Ch 1 or oe thane75-09-2 ———————— Methylene Chloride67-64-1 ————————— Acetone , .,„._..75-15-0 ———————— Carbon Disulfide , ,_.., _7S-35-4 ———————— 1, 1-Dichloroethene . ,.,„.„.__„„,„75-34-3 ———————— 1, 1-Dichloroethane , ,.._., _.156-6O-5 —————— Trans-1* 2-Dich I or oethene __ _156-59—4 ——————— cis-1* 2-Dichloroethene67-66-3 ————————— Chloroform1 07-06-2 ——————— 1 * 2-D ichloroethane _ „. .78-93-3 ———————— 2-Butanone71-55-6 ———————— li 1. 1-Tr ichloroethane56-23-5 ———————— Carbon Tetrachloride .,..,.._.„_75—27—4— — ———— Bromod ich loromethane74-97-5 ——————— Bromoch loromethane78-87— 5 ———————— 1, 2-Dichloropropane1O061-O1-5 ————— cis-1* 3-Dichloropropene79-O1-6 ———————— Trichloroethene

79-OO-5 ———————— 1, I* 2-Trichloroethane7 1 -43-2 ———————— B en z en e10061-O2-6 ————— trans-1* 3-Dichloropropene _ _75-2 5-2 ———————— B romoform108-10-1 ——————— 4-Methul-2-Pentanone591-78-6 ——————— 2-Hexanone127-18-4 —————— Tetrachloroethene79-34-5 ——————— 1* 1* 2* 2-Tetrachloroethana __1 08-88-3 ——————— To 1 u en e1 08-9O— 7 ——————— C hlorobenzene10O-41-4 ——————— Ethylbenzene .

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1A EPA SAMPLE NCVOLATILE QRGANICS ANALYSIS DATA SHEET _____________i

8 096040688T.Lab Name: ENVIROSYSTEMS^ Contract: I_____________

Lab Code: ENVSYS Case No. : R3O96 SDG No. : 096O4O5O5D



Purge Volume: - 25.0 mL Dilution Factor: 1.0


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74-B3-9 ——————— Bromomethane75-01 -A ———————— Vinyl Chloride75-OO-3 ——————— Chloroethane75-09-2 ——————— M ethylene Chloride67-64-1 ———————— Acetone75-1 5-O ——————— Carbon Disulfide75-35-4 ———————— 1* 1-Dichloroethene75-34-3 ———————— 1* 1-Dichloroethane156— 6O— 5 ——————— Trans— 1* 2— Dichloroethene156-59-4 —————— cis-1. 2-Dichloroethene67-66-3 ———————— Ch lor of orm1O7-O6-2 ——————— 1* 2-Dich loroethane7B-93— 3 ———————— 2-Butanone .71-55-6 ———————— 1* 1* 1-Tr ichloroethane56-23-5 ———————— Carbon Tetrachloride . , _ ._75-27-4 ——————— Bromodi Chloromethane74—97—5 ———————— Bromochl oromethane

1OO61-O1-5 ————— cis~li 3-Dichloropropene79-O1-6 ———————— Trichloroethene124—48—1 ——————— Dibromoch loromethane79-OO-5 ——————— 1, 1* 2-Trichloroethane71-43-2 ———————— Benzene10061-O2-6 ————— trans-1* 3-Dichloropropene. __75-25-2 ——————— Br omo f or m1OB-1O-1 ——————— 4-Methyl-2-Pentanone591-7B-6 ——————— 2-Hexanone127-1B— 4 —————— Te trach lor oethene79-34—5 ———————— 1* 1* 2i 2-Tetrach loroethane __1 OQ-BS-3 ——————— To 1 u en e1O8— 9O— 7 ——————— Ch 1 or ob en z ene1OO— 41— 4 ——————— Ethy Ibenzene96-12-8 ———————— 1* 2-Dibromo-3-chloropropane_1 OO-42-5 ——————— Sty r en e ,_,.,_„„ ... „._„_1330-20-7 —————— Xulene (total)1O6-93-4 —————— 1* 2-Dibromoethane95-5O-1 ——————— 1* 2-Dich lorobenzene106-46-7 —————— 1 , 4-Di c h 1 or ob en z ene541-73-1 ——————— 1* 3-Dich lorobenzene

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AR.000270FORM I VGA 3/9O

1A EPA SAMPLE ISVOLATILE ORGANICS ANALYSIS DATA SHEET ________________

II .09604068E

Lab Name: ENVIROSYSTEMS Contract: !_________j




Purge Volume: 25. O mL Dilution Factor: 5. O


i iI 74-87-3———————Chloromethane____________ 88 74-83-9———————Bromomethane_______________!8 75-O1-4———————Vinyl Chloride.8 75-OO-3————————Chloroethane__I 75-09-2———————Me thylene Chloride.I 67-64-1————————Acetone__________8 75-15-0———————Carbon Disulfide_______8 75-35-4———————1* 1-Dichloroethene_____8 75-34-3———————1* 1-Dichloroethane_____8 156-60-5———————Trans-1* 2-Dichloroethene.8 156-59-4——————cis-1* 2-Dichloroethene__8 67-66-3————————C hlorofor m_______________8 1O7-O6-2 ——————— 1* 2-Di Chloroethane8 78-93-3 ——————— 2-Butanone8 71-55-6 ——————— 1* li 1-Tr ichloroethane.8 56-23-5 ——————— Carbon TetrachJtoride_8 75-27-4———————Bromodichloromethane__I 74—97—5———————Bromoch loromethane____I 78-87-5———————1* 2-Dichloropropane___! 10061-01-5————cis-1* 3-Dichloropropene.I 79-O1-6———————Trichloroethene_______I 124-48-1———————Dibromoch loromethane___I 79-00-5———————1* 1* 2-Trichloroethane5 71-43-2————————Benzene__________________I 1OO61-O2—6—————trans—1* 3—Dichloropropene.I 75-25-2———————Bromoform___________________S 1O8-1O-1———————4-Methy 1-2-Pentanone____I 591-78-6———————2-Hexanone______'______127-18-4——————Tetrach1oroethwne.

8 79-34-5———————1, l*2*2-Tetrachloroethane108-88-3———————To 1 u en e__________________108-90-7——————Ch 1 or ob en z ene____________1OO-41-4———————Ethylbenzene______________96—12-8———————1. 2—Dibromo—3—ch loropropane_

8 100-42-5———————Styrene.8 133O-2O-7——————Xylene (total)_____I 106-93-4———————1* 2-DibromoethaneI 95-50-1———————1* 2-Dichlorobenzene.I 106-46-7———————1* 4-Dichlorobenzene.! 541-73-1——————li 3-Dich lorobenzene.

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AR00027!FORM I VOA 3/9O

1A EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET , . —

! .0960406TQ6,ab Name: ENVIROSYSTEMS Contract: \_

'_ab Code: ENVSYS Case No. : R3Q96 SDG No. : 096O406OOD




CONCENTRATION UNITS:GAS NO. COMPOUND ug/L " Q

i74-87-3 ———————— Chloromethane74-83-9 ——————— Bromomethane75-01-4 ———————— Vinyl Chloride75— OO— 3 ———————— Ch loroethane75-O9-2 ——————— Me th y lene Chloride67-64—1 ————— ' —— Acetone75— 15-O ———————— Carbon Disulfide75-35-4 ———————— li 1-Dichloroethene75-34-3 ———————— 1* 1-Dichloroethane _,.,_._.._,... .156-6O-5 ——————— Trans-1* 2-Dichloroethene __ _1 56-59-4 —————— c i s-1 * 2-Di c h 1 or oe t h en e .67-66-3 ———————— Chloroform ,..107-O6-2 —————— li 2-Dichloroethane ...... ...,..„.„,,_..78-93—3 ——————— 2-B u tan on e71-55-6 — - ————— li 1* 1-Tr ichloroethane56-23-5 ———————— Car bon Tetrachloride75-27-4 ———————— Bromodi Chloromethane74—97—5 ———————— Bromochl oromethane78—87-5 ———————— 1* 2-Dich loropropane10061-01-5 ————— cis-1, 3-Dichloropropene79-O1 -6 ———————— Tr ichloroethene

79-00-5 ——————— 1,1, 2-Tr ichloroethane71-43-2 ———————— Benzene1OO61-O2-6 ————— trans-1* 3-Dichloropropene ___75-25-2 ———————— Bromoform108-10-1 ——————— 4-Methyl-2-Pentanone ,„.,,„. ,591-78-6 ——————— 2-Hexanone127-18-4 ——————— Te trach lor oethene79-34-5 ———————— 1* 1* 2* 2-Tetrach loroethane ___4 f\o on i "r«.i.._n«*

1 08-90-7 —————— C hlorobenzene100-41-4 ——————— Ethylbenzene

100-42-5 ——————— Styrene1330-20-7 —————— Xylene (total)106-93-4— —————— 1, 2-Di bromoe thane95-50-1 ———————— 1* 2-Dich lorobenzene1 06— 46— 7 ——————— 1 * 4-D ichlorobenzene541-73—1 ——————— I, 3-Dich lorobenzene

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1A EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET ______________

II

! 0960406FQ6_afa Name: ENVIROSYSTEMS Contract: !.____________



Lab File ID: 04O771 Dat.e Analyzed: 04/12/95



8

74-83-9 ——————— Bromomethane75-01-4 ———————— Vinyl Chloride75-OO— 3 ————————— Chloroethane75-09-2 ———————— Methylene Chloride67-.64- 1 ———————— Ac e t on e75-15-0 ———————— Carbon Disulfide75-35-4 ——————— li 1-Dich lor oethene75-34-3 ———————— 1, 1-Dichloroethane156-60-5 ——————— Trans-1* 2-Dichloroethene _____156-59-4 —————— cis-1* 2-Dichloroethene67—66—3 ———————— C hloroform1 07-O6— 2 ——————— 1 * 2— D ichloroethane78—93—3 ———————— 2— B u t an on e71-55-6 ———————— 1. 1* 1-Trichloroethane .,,„56—23—5 ———————— Carbon Tetrachloride75-27-4 ——————— -Bromodi Chloromethane _ .74—97—5 ———————— Bromoch loromethane7B-B7-5 ———————— 1, 2-Dichloropropane10061-01-5 ———— cis-1* 3-Dichloropropene79— 0 1 —6 ———————— Tr ichloroethene124-48— 1 ——————— Dibromoch loromethane79-00-5 ———————— I, li 2-Trichloroethane71-43-2 ———————— Benzene10061-O2-6 ————— trans-1, 3-Dichloropropene ___75-25—2 ———————— Bromoform1OB-1O-1 ——————— 4-Methyl-2-Pentanone591-78-6 ——————— 2-Hexanone127-18-4 —————— Tetrachloroethene ,...„„„„. .79-34-5 ———————— 1* 1* 2* 2-Tetrach loroethane ___10B-BB-3 ———————— Toluene1O8-9O-7 ——————— Ch lorobenzene100-A1-A ——————— Ethy Ibenzene ______ ,„_,,.96—12—8 ———————— 1* 2— Dibr omo— 3— ch loropropane1 00-42-5 ——————— S t y r en e1330-20-7 —————— Xylene (total)106-93-4 ——————— 1* 2-Dibromoethane ., _„.,.,..95-50-1 ——————— 1* 2-Dichlorobenzene _ ,._,.,„,_106—46—7 ——————— 1* 4-Dich lorobenzene541-73-1 ——————— 1* 3-Dich lorobenzene

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1A EPA SAMPLE f-VOLATILE ORGANICS ANALYSIS DATA SHEET

"~: i 09604067

Lab Name: ENVIROSYSTEMS Contract: I, ;



Lab File ID: 040764D .Dajke Analyzed: 04/13/95

Purge Volume: -•••- 25.0 mL Dilution Factor: 10.0


174—83—9 ——— • ——— -Bromome thane75-01-4 ———————— Vinyl Chloride75-OO-3 ——————— C hloroethane75-O9-2 ——————— Methyl ene Chloride67—64—1 ————— • —— Acetone75-15-0 ———————— Carbon Disulfide75-35-4 ———————— 1* 1-Di c h 1 oroe th ene75-34-3 ———————— li 1-Dichloroethane156— 6O— 5 ——————— Trans— 1* 2— Dich loroethene ____156-59-4 ——————— cis-1, 2-Dichloroethene67—66—3 ——————— Chloroform107-06-2 ——————— 1* 2-Dich loroethane78-93-3 ——————— 2-B u t a n on e71-55-6 ——————— 1* 1* 1-Tr ichloroethane56-23-5 ——————— Gar b on Te tr ac h 1 or i d e75-27-4 ——————— Bromodich loromethane74—97—5 ——————— Bromoch loromethane78-87-5 ——————— 1* 2-Dich loropro oane10061-01-5 ————— cis-1, 3-Dichloropropene79-0 1 -6 ———————— Tr ichloroethene124-48-1 ——————— Di bromochl oromethane

71-43-2 ——————— Benzene10061-02-6 ———— trans-1. 3-Dichloropropene ___75-25-2 ——————— Bromoform108-10-1 ——————— 4-Methul-2-Pentanone591-78-6 ——————— 2-Hexanone127-18-4 ——————— Tetrach loroethene79-34-5 ——————— 1* 1* 2* 2-Tetrach loroethane ___108-88-3 ——————— Toluene108-90-7 ——————— Ch lorobenzene100-41-4 ——————— Eth y 1 b en z ene96-12-8 ——————— 1* 2-Dibromo-3-ch loropropane _100-42-5 ——————— Styrene1330-20-7 —————— Xulene (total)106-93-4 ——————— 1* 2-Di bromoe thane95-50-1 ——————— 1* 2-Dich lorobenzene

8 106-46-7 ——————— !• 4-Dich lorobenzene8 541-73-1 ——————— 1* 3-Dichlorobenzene8

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AROOQ271*FORM I VOA 3/90

1A • EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET _______________

I O96040672Wkab Name: ENVIROSYSTEMS Contract: I




Purge Volume: 25. O mL Dilution Factor: 1.O


74-B7-3 ——————— Chloromethane _ ,„_„..74-B3-9 ——————— Bromomethane75-01 -A ———————— Vinyl Chloride .75-OQ-3 ———————— Chloroethane75-O9-2 ——————— Me t h y 1 ene Chloride67-6A-1 ————————— Acetone .„.„.„75-15-O ———————— Carbon Disulfide75-35-4 ———————— 1, 1-Dich loroethene75-34-3 ———————— 1* 1-Dichloroethane156-60-5— —————— Trans-1 1 2-Dichloroethene ____156-59-4 ——————— cis-li 2-Dichloroethene.,67-66-3 ——————— Ch lorof orm107-06-2 ——————— li 2-Dichloroethane „.„,, _7B-93-3 ———————— 2-B u tan on e71-55-6 ———————— 1. li 1-Tr ichloroethane56-23-5 ————————— Carbon Tetrachloride _ _.,„,.,75—27—4 ———————— Bromod ich loromethane74-97-5 ———————— Bromoch loromethane78-87-5 ——————— li 2-Dich loropropane10061-01-5 ———— cis-1* 3-Dichloropropene79-0 1 -6 ———————— Tr ichloroethene124-48-1 —————— Di bromochl oromethane79-00-5 ——————— 1* 1* 2-Trichloroethane71-43-2 ———————— Benzene1OO61-02-6 ——— • — trans-1* 3-Dichloropropene ___75-25-2 ———————— Bromoform ,.lOB-lO-1 ——————— 4-Methy 1-2-Pentanone591-7B-6 ———————— 2-Hexanone ,127-1B-4 ——————— Tetrachloroethene ... „,.„,79-34-5 ———————— 1* 1* 2* 2-Tetrach loroethane ___1 08-BB-3 ——————— To 1 u en e108-90-7 —————— Ch lorobenzene100-41-4 —————— Ethylbenzene96-12-8 ——————— 1* 2-Dibromo-3-ch loropropane _1 00-42- 5 ——————— S t y r en e1330-2O-7 —————— Xylene (total)1O6-93-4 ——————— 1* 2-Dibromoethane _95-50-1 ———————— 1. 2-Di c h 1 or ob en z ene106-46-7 ——————— 1* 4-Dich lorobenzene541-73-1 ——————— 1* 3-Dichlorobenzene ,_„,,„... .,„

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AR000275FORM I VGA 3/9O-

1A EPA SAMPLE NVOLATILE ORGANICS ANALYSIS DATA SHEET ____________

I """

I Q96040672N-TLab Name: ENVIROSYSTEMS Contract: !______

'2MT-4.ab Code: ENVSYS Case No. : R3O96 SDG No. : 096O4O6OOD


Lab File ID: 04O766 Date Analyzed: 04/12/9.5i ! :



74-B7-3 ———————— Chloromethane . ,..„ __ ,_.....74-B3-9 ———————— Bromomethane ..... .,_.75-01-4 ———————— Vinyl Chloride75-OO-3 ——————— Chloroethane _„.,„„„.,.„....75-09-2 ———————— Methylene Chloride .,..,, ,,..67-64- 1 —————— '• — Ac e t on e75-15-O ———————— Carbon Disulfide „ _75-35-4 ———————— 1* 1-Dich loroethene75-34-3 ———————— li 1-Dichloroethane156—60—5 ——————— Trans-li 2— Dichloroethene ____156-59-4 ——————— cis-1* 2-Dichloroethene67-66-3 ——————— Chloroform1O7-O6-2 ——————— li 2-Dich loroethane78-93-3 ——————— 2-Butanone71-55-6 ——————— li 1* 1-Trichloroethane56-23-5 ———————— Carbon Tetrachloride75-27-4 ——————— Bromodich loromethane74—97—5 ———————— Bromochl oromethane7B-B7-5 ————————— li 2-Dich loropropane ;1OO61-O1-5 ————— cis-1, 3-Dichloropropene ,79-O1-6 ———————— Trichloroethene124— 48- 1 ——————— Dibromochloromethane •-79-00-5 ——————— 1* 1* 2-Trichloroethane71-43-2 ——————— Benzene10061-02-6 ———— trans-1* 3-Dichloropropene ___75-25-2 ——————— Bromoform108-10-1 ——— • ——— 4-Methyl-2-Pentanone591-78-6 ——————— 2-Hexanone _127-18-4 ——————— Tetrach loroethene79-34-5 ———————— 1* 1* 2* 2-Tetrach loroethane. ___1 08—88—3 ——————— To 1 u en e10S-9O-7 ——————— Ch lorobenzene100-41-4 ——————— Eth y Ib en z ene96-12-8 ——————— 1* 2-Dibromo-3-ch loropropane _100-42-5 —————— Sturene1330-20-7 —————— Xylene (total)1O6-93-4 ——————— 1* 2-Dibromoethane95-50-1 ——————— 1* 2-Dichlorobenzene _1O6-46-7 ——————— 1* 4-Dich lorobenzene _541-73-1 ——————— 1* 3-Dichlorobenzene

i

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AROOQ276FORM I VOA 3/90

1A EPA SAMPLE NOVOLATILE ORGANICS ANALYSIS DATA SHEET _____________

I

! 096040672MLab Name: ENVIROSYSTEMS Contract: I___

Lab Code: ENVSYS " Case No. : R3096 SDG No. : 09604O60OD

Lab Sample ID: 95O4O765 Date Received: 04/07/95




74-87-3 ———————— Ch loromethane74-83-9 ——————— B romomethane75-01-4 ———————— V in ill Chloride75-00-3 ——————— C hloroethane75-09-2 ——————— M ethylene Chloride67-64- 1 ——————— Ac e t on e75-15-O ———————— Carbon Disulfide75-35-4 ———————— 1* 1-Dich loroethene75-34-3 ———————— 1* 1-Dichloroethane .„ , ..156-6O-5 ——————— Trans- li 2-Dichloroethene ____156-59-4 ——————— cis-li 2-Dich lor oetheneAT———Z. / *J*___ ___ /*!. 1 MMM.&MMM

107-06-2 ——————— li 2-Di Chloroethane7S-93-3 ——————— 2-B u tan on e71-55-6 ———————— li li 1-Tr ichloroethane56-23-5 ———————— Garb on Te trac h 1 or i d e75-27—4 ——————— Bromodi Chloromethane74-97—5 ———————— Bromoch loromethane78-87-5 ———————— 1* 2-Dichloropropane10061-O1-5 ————— cis-1, 3-Dichloropropene79-0 1 -6 ———————— Tr ichloroethene124-48-1 ——————— Di bromochl oromethane79-00-5 ———————— 1, 1, 2-Trichloroethane*T 4 n ™* f^ **

10061-O2-6 ————— trans-1* 3-Dichloropropene ___TPei^1—— I *"f n 1* _ JM M f M «« JM/ 3— d jj— — —— — —— o romororm108-10-1 ——————— 4-Methyl-2-Pentanone591-78-6 ——————— 2-Hexanone127-18-4 ——————— Tetrachloroethene .... „ , . . , , . „ .79-34-5 ———————— 1, 1, 2* 2-Tetrach loroethane ___108-88-3 ——————— Toluene108-9O-7 ——————— Ch lorobenzene100-41-4 ——————— Ethylbenzene96-12-8 ———————— 1, 2-Dibromo-3-ch loropropane _100-42-5 ——————— Sturene1 330-20-7 —————— X ylene (total)106-93-4 ——————— I* 2-Di bromoe thane95-50-1 ———————— Ii2-Dichlorobenzene ._., ,106-46-7 ——————— 1. 4-Dichlorobenzene541-73-1 ——————— 1* 3-Dich lorobenzene

1

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A<ROOQ277trrtOM T VJPIA ' 3/9O

1A EPA SAMPLEVOLATILE ORGANICS ANALYSIS DATA SHEET ___________

! 096040673Lab Name: ENVIROSYSTEMS Contract: !______

i_ab Code: ENVS7S Case No. : R3096 SDG No. : 096O4060OB



Purge Volume: ~ 25. 0 mL Dilution Factor: 1. 0


I .: ., !• 74-H7-3 ———————— Chloromethane 874-B3-9 ——————— Bromomethane75-01-A ———————— Vinyl Chloride75-OO-3 ——————— Chloroethane75-09-2 ———————— Methylene Chloride67—64-1 ———————— Acetone75-15-O ———————— Carbon Disulfide75-35-4 ——————— 1* 1-Dich lor oethene75-34-3 ———————— 1* 1-Dichloroethane156-6O-5 ——————— Trans-1* 2-Dichloroethene ____156-59-4 ——————— cis-1* 2-Dich loroethene67—66—3 ———————— Chloroform107-06-2 ——————— l*2-Dichloroethan&

71—55—6 ———————— 1* 1* 1— Tr ichloroethane56-23-5 ——————— Carbon Tetrachloride75—27-4 ——————— Bromodi Chloromethane :74-97-5 ——————— Bromochl oromethane7B-B7-5 ———————— 1* 2-Dichloropropane10061-01-5 ————— cis— 1* 3— Dichloropropene79— 0 1 -6 ———————— Tr ichloroethene124-48—1 ——————— Dibromoch loromethane79-00-5 ——————— 1* 1, 2-Trichloroethane7 1 —43-2 — • ———— • — B e n z e n e10061-02-6 —— ; —— trans-1* 3-Dichloropropene ___75-25-2 ——————— Bromoform1O8-10-1 ——————— 4-Methyl-2-Pentanone59 1 -78-6 ——————— 2-He x an on e127-18-4 ——————— Te trach lor oethene

1 08-BB-3 ——————— To 1 u en e108-90-7 ——————— Ch lorobenzene100-41-4 ——————— Ethylbenzene96-12-8 ——————— 1* 2-Di bromo-3-ch loropropane _100-42-5 —————— Styrene1330-20-7 —————— Xulene (total)106-93-4 ——————— 1* 2-Di bromoe thane95-50-1 ———————— li 2-Dich lorobenzene1O6-46-7 ——————— 1* 4-Dich lorobenzene541-73-1 ——————— 1* 3-Dich lorobenzene

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1A EPA SAMPLE NOVOLATILE QRGANICS ANALYSIS DATA SHEET

!

! 096040671Mtb Name: ENVIROSYSTEMS Contract: !_____________

,b Code: ENVSYS ' Case No. : R3O96 SDG No. : O96O4O60OD




CONCENTRATION UNITS*GAS NO. COMPOUND ug/L Q

8 i74-87-3———————C hloromethane_74-83-9———————Bromomethane__75-01-4———————Vinyl Chloride.75-00-3———————C hloroethan e__75-O9-2———————Methyl ene Chloride.67-64-1 ———————A c e t on e _______________75-15-0———————Garb on Disulfid e _______75-35-4———————1* 1-Dich loroethene_______75-34-3————————1* 1-Dich loroethane_____156—60—5———————Trans-i» 2—Dich loroethene.156-59-4———————cis-1* 2-Dichloroethene__67-66-3———————Ch lor o form____________107-06-2——————1* 2-Dich loroethane_____78-93-3———————2-Butanone____________71-55-6———————1* 1* 1-Tr ichloroethane__56-23-5———————Car b on Te trac h 1 or i d e___75-27-4———————Bromodlchloromethane___74-97-5———————Bromochl oromethane______78-87-5————————1* 2-Dichloropropane____10061-O1-5—————cis-1* 3-Dichloropropene_79—01—6————————Trichloroethene________124—48—1———————Di bromochl oromethane___79—OO—5———————-1. 1* 2-Trichloroethane__71-43-2———————Benzene______________10061-02-6—————trans-1* 3-Dichloropropene.75-25-2———————Bromoform_____________10B-1O-1——————4-Methyl-2-Pentanone____591 -78-6——————2-H e x a n o n e _____________127-18-4——————Te trac hi or oethene_______79-34-5————————1* 1* 2* 2-Tetrachloroethane.1 OS—B8—3———————To 1 u ene_________________108-90-7———————C hlorobenzene ___________100-41-4———————Ethylbenzene.96-12-8————————1* 2-Dibromo-3-chloropropane_100-42-5——————Sty r en e____________________1330-20-7—————Xylene (total)____________106-93-4——————1* 2-Di far omoe thane_________95-50-1———————1* 2-Dich lorobenzene_______

1 8U1 5U1 SU1 SU

1O6-46-7——————l*4-Dichlorobenzene________8 i SU541-73-1——————1,3-Dichlorobenzene________8 1 SU

i ______________________________________________________\ _____________

1 8U 8i iu :1 SU1 SU S2 :u :5 su s1 SU 8i su ;i :u ii su s1 !U '81 8U 81 SU !5 SU ,'1 SU I1 SU i1 SU Ii su :i :u ;i su ;i su :i su :i :u ii su si iu :i su s5 SU S5 SU 81 8U i1 SU S1 SU S1 SU 81 SU i1 SU !

AR000279ernoM T ur»A

1A EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET _____________-

! 09604067 ITLab Name: ENVIROSYSTEMS Contract: I _______

Lab Code: ENVSYS - Case No. : R3096 SDG No. : 09604O600D


Lab File ID: O4O774R Date Analyzed: 04/13/9-5



75-01-A ———————— Vinyl Chloride75— OO— 3 ———————— Ch loroethane75-09-2 ———————— Me thylene Chloride

73-15-0 ———————— Carbon Disulfide75-35-4 ———————— 1, 1-Dichloroethene ,.,. , ._.,„.,„75-3A-3 ———————— 1, 1-Dichloroethane156-6O-5 —————— Trans-1* 2-Dichloroethene156-59-4 ——————— cis-1* 2-Dichloroethene67—66—3 ———————— Chloroform107-06-2 ——————— 1. 2-Dich loroethane

71-55-6 ———————— 1. 1* 1-Trich loroethane56—23—5 ———————— Carbon Tetrachloride75-27-4 ——————— Bromodich loromethane

7B-B7-5 ———————— 1, 2-Dichloropropane10061-01-5 ———— cis-1* 3-Dich loropropene79-O1 -6 ——————— Trichloroethene124-48— 1 ——————— Dibromoch loromethane79-OO-5 ——————— 1* 1* 2-Trichloroethane „_ _ .,„ __71-43—2 ———————— Benzene

75—25—2 ——————— Bromoform1OB-1O-1 ——————— 4-Methyl-2-Pentanone591 -78-6 ——————— 2-He x a n on e4 f—f—f -tf-1 A Trn4--n-n«-K1n-»BnimJ.Uli»mn

79-34-5 ——————— 1* 1* 2* 2-Te trac hi or oe thane ___•1 f\O OtS *3 __ ____Tn 1 1 • nw* n

10O-41-4 ——————— Ethy Ib en z ene96— 12— S ———————— 1* 2-Dibromo— 3— ch loropropane _ .100-42-5 —————— Styrene1330-20-7 —————— Xulene (total)1 06-93-4 ——————— 1 . 2-D ibromoethane95-50-1 ———————— 1* 2-Dich lorobenzene106-46-7 ——————— 1* 4-Dichlorobenzene .„_,„,, „„.,

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1A EPA SAMPLE NOVOLATILE ORGANICS ANALYSIS DATA SHEET ______________

II

! -09604O651WDLkLab Name: ENVlROSYSTEMS Contract: 8___________



Lab File ID: 04O767D Date Analyzed: 04/13/95



874-87-3 ——————— Chloromethane74-83-9 ——————— Bromomethane75-01-4 ———————— Vinyl Chloride75— OO— 3 ———————— C hloroethane75-09-2 ———————— Methylene Chloride . . , , . . „ , ,„67—64—1 ———————— Acetone75-15-0 ————————— Carbon Disulfide ... __ ,_ .75-35-4 ———————— li 1-Dich loroethene75-34-3 ———————— li 1-Dichloroethane156-60-51 —————— Trans-1* 2-Dichloroethene ____156-59-4 —————— cis-1* 2-Dichloroethene „.67-66-3 ——————— C hloroform107-06-2 ——————— 1* 2-Dich loroethane78-93-3 ———————— 2-B u t a n o n e71-55-6 ——————— li 1* 1-Tr ichloroethane „_56—23—5 ———————— Car bon Tetrachloride

74—97-5 ———————— Bromochl oromethane78-B7-5 ———————— 1. 2-Dichloropropane „„.„..„,.,,. ,10061-01-5 ————— cis-1, 3-Dichloropropene79-O1-6 ———————— Trichloroethene ,.,_ ,„.„.,,,,.„ ,124-48-1 ——————— Di bromochl oromethane79-00-5 ——————— I, 1* 2-Trichloroethane71-43-2 ————— —— Benzene1OO61-O2— 6 ————— trans— 1* 3— Dichloropropene75-25-2 ———————— Bromoform108-10-1 ——————— 4-Methyl-2-Pentanone59 1 -78-6 ——————— 2-He x an on e127-18-4 ——————— Te trac hi or oethene79-34-5 ———————— I* 1* 2* 2-Tetrach loroethane _____108-88-3 ——————— Toluene108-90-7 —————— Ch 1 or ob en z ene100-41 -4 —————— E t hylbenzene96—12—8 ——————— •!* 2— Dibromo-3— ch loropropane _ _1 00-42-5 ——————— S t y r en e1330-20-7 —————— Xylene (total)1O6-93-4 ——————— 1. 2-Dibromoethane _ .95-50-1 ———————— li 2-Dich lorobenzene _1 06-46-7 ——————— 1 1 4-Di c h 1 or ob en z ene , ,.._.. __ ..__.._

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AR000280FORM I VOA

1A EPA SAMPLE fVOLATILE ORGANICS ANALYSIS DATA SHEET ___________

! .09604065Lab Name: ENVIROSYSTEMS Contract: i..ab Code: ENVSYS Case No. : R3096 SD6 No. : 096O4060OD





74—87—3———————C hloromethane _____74-83-9———————Br omomethan e______75-O1-4———————Vinyl Chloride___75-00-3———————Chloroethane______75-09-2———————Methylene Chloride.

8 67—64—1————————Acetone75-15-O———————Carbon Disulfide

S i1 SU1 SU1 SU1 SU2 SU5 SU1 SU

! 75-35-4———————1* 1-Dich loroethene____! 75-34-3————————1* 1-Dichloroethane____8 156—6O—5———————Trans—1* 2—Dichloroethene.156-59-4———————cis-1* 2-Dichloroethene.

8 67-66-3————————Chloroform_______8 107-O6-2———————1* 2-Di Chloroethane78-93-3———————2-B u tan on e

8 71-55-6———————!• 1. 1-Trichloroethane.8 56-23-5———————Carbon Tetrachloride_8 75-27-4———————Bromodichloromethane__74-97-5————————Bromochl oromethane______78-87-5———————1* 2-Dichloropropane______10061-O1-5—————cis-1* 3-Dichloropropene__79-O1-6————————Trichloroethene_________124—48—1———————Di bromochl oromethane____79-00-5———————1* 1* 2-Trichloroethane___71 -43-2———————B en z en e ___________________10061-02-6————trans-1* 3-Dichloropropene.75-25-2———————Bromoform__________________lOS-lO-1———————4-Methyl-2-Pentanone____591 -78-6———————2-H e x a n o n e ________________

8 127-18-4———————Te trac hi or oethene_______S 79-34-5————————1* 1* 2* 2-Tetrachloroethane.I 108-BS-3———————Toluene_________________I 108-90-7———————Ch lorobenzene__________: :I 100-41-4———————Ethylbenzene______________I 96—12—8———————1* 2—Dibromo—3—chloropropane_5 100-42-5——————Styrene_____________________1330-20-7——————Xylene (total)____106-93-4——————1* 2-Dibromoethane__95-50-1———————1» 2-Di c h 1 or ob en z ene

1 SU1 SU1 SU1 SU5 SU

1 SUi :u1 SU1 SU1 SUi :u1 iU1 SUi :ui sui su5 !U5 SU1 SU1 !U1 SU1 SU1 IU1 SU1 !U1 SU1 SU1 IU

5 1O6-46-7———————1* 4-Dichlorobenzene_________8 1 IU8 541-73-1———————1* 3-Dich lorobenzene_________! 1 SU 8i i i i

AR00028IFORM I VOA 3/90

1A EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA .SHEET ______________^ - " i

! 09604065IT !|ab Name: ENVIROSYSTEMS Contract: I_______________________!

Lab Code: ENVSYS Case No. : R3096 SDG No. : O960406OOD


Lab File ID: 040769 Da*e Analyzed: 04/12/9-5


CONCENTRATION UNIT§:GAS NO. COMPOUND ug/L Q

S S8 74-S7-3 ———————— Chloromethane ,...,...,,„8 74-83-9 ———————— BromomethaneS 75-01-4 ———————— Vinyl Chloride8 75-OO-3 ——————— Chloroethane8 75-09-2 ———————— Methyl ene Chloride8 67-64-1 ————————— Acetone8 75-1 5-O ———————— Carbon Disulfide8 75-35-4 ———————— 1* 1-Dich loroethene8 75-34-3 ———————— 1* 1-Dichloroethane8 156-60-5 ——————— Trans-1. 2-Dichloroethene! 156-59-4 ——————— cis-1, 2-Dichloroethene!/.•_> t f —i y%i_ * _ -_ — J2 rt-n...43/— oo— 3—— —— '—— Ch lorororm8 1O7-O6-2 ——————— 1,2-Dichloroethane8 78-93-3 ——————— 2-Butanone8 71-55-6 ———————— 1* I* 1-Trichloroethane, ,..__ ._8 56—23-5 ———————— Carbon Tetrachloride8 75—27—4 ———————— Bromodi Chloromethane8 74-97—5 ———————— Bromoch loromethane8 78—87—5 ———————— li 2— Dich loropropane! 10061-01-5 — • ——— cis-li 3-Dichloropropene _S 79-01-6 ———————— Trichloroethene! 124-48-1 —————— Di bromochl oromethane1 79-00-5 ——————— 1* 1* 2-Trichloroethane8 71-43-2 ——————— Benzene8 1O061-02-6 ————— trans-1* 3-Dichloropropene _____1 75-25-2 ——————— Bromoform1 1O8-10-1 ——————— 4-Methy 1-2-Pentanone8 591-7B-6 ——————— 2-Hexanone! 127-18-4 ——————— Tetrach loroethene8 79-34-5 ———————— 1, 1, 2, 2-Tetrach loroethane ___1 1O8-BB-3 ——————— Toluene8 108-90-7 ——————— Ch lorobenzene8 100-41-4 —————— Ethylbenzene8 96-12-8 ——————— 1* 2-Dibromo-3-ch loropropane! 100-42-5 ——————— StureneS 1330-20-7 —————— Xylene (total)! 1O6-93-4 ——————— 1* 2-Di bromoe thane1 95-50-1 ——————— 1* 2-Dich lorobenzene8 1O6-46-7 ————— • — 1* 4-Dich lorobenzene8 541-73-1 ——————— li 3-Dich lorobenzeneI

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1A EPA SAMPLE NVOLATILE ORGANICS ANALYSIS DATA" SHEET ____

! , ! 09604065JLab Name: ENVIROSYSTEMS Contract: ! _______

.ab Code: ENVSYS Case No. : R3096 SDG No. : 096040600D

Lab Sample ID: 9504076B Date Received: 04/O7/95

Lab File ID: 04076BD Date Analyzed: 04/13/9-5



i74-87-3 ———————— Chloromethane74-83-9 ——————— Bromomethane75-01-4 ———————— Vinyl Chloride75-00-3 ——————— Chloroethane75-O9-2 ——————— Methylene Chloride67-64- 1 ———————— A c e t o n e75-15-0 ———————— Carbon Disulfide75-35-4 ———————— li 1-Dich loroethene75-34-3 ——————— -li 1-Dichloroethane „1 56-60-5 ——————— Tran s-1 * 2-Di ch 1 or oe th ene __ '._156-59-4 ——————— cis-1* 2-Dichloroethene67—66—3 ———————— Chloroform1O7-06-2 ——————— 1* 2-Dich loroethane78-93-3 ——————— 2-Butanone71-55-6 ——————— 1* 1* 1-Trichloroethane56-23-5 ——————— Carbon Tetrachloride _„75—27—4 ——————— Br omod i c h 1 oromethane74—97—5 ———————— Bromoch loromethane"TO O" T e * *~t -j r- h 1 M«*«__MMMMM

10061-01-5 ————— cis-1* 3-Dichloropropene79— Ol— 6 ———————— Trich loroethene124— 4S-1 ——————— Dibromoch loromethane79-OO-5 ———————— 1* 1* 2-Trichloroethane7 1 -43-2 ——————— B e n z e n e10061-02-6 ————— trans-1* 3-Dichloropropene _75-25-2 ———————— Bromoform108-10-1 ——————— 4-Methy 1-2-Pentanone591-78-6 ——————— 2-Hexanone127-18-4 —————— Tetrach loroethene79—34-5 ———————— 1* 1* 2* 2-Tetrach loroethane _

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! Q96040651M.ab Name: ENVIROSYSTEMS Contract: !_______


Lab Sample ID: 95O4076S Date Received: 04/07/95

Lab File ID: 04076B Date Analyzed: 04/12/95


CONCENTRATION UNIT5:CAS NO. COMPOUND ug/L Q

88 74-B7-3 ———————— Chloromethane74— B3— 9 — • —————— Bromomethane75-01-4 ———————— Vinyl Chloride75-OO-3 ———————— Chloroethane75-O9-2 ———————— Me thylene Chloride67-64- 1 ——————— Ac e t on e75-15-0 ——————— Carbon Disulfide75-35-4 ——————— 1* 1-Dich loroethene75-34-3 ——————— 1* 1-Dichloroethane156—60—5 ——————— Trans— 1* 2— Dich loroethene ____156-59-4 ——————— cis-1* 2-Dichloroethene67—66—3 ———————— Ch 1 orof orm1 07-06-2 ———————— 1 1 2-D ichloroethane78— 93— 3——————— 2— B u t an o n e ________71-55-6 ———————— li li 1-Tr ichloroethane56—23—5- ———— ———Carbon Tetrach lor ide75-27-4 ——————— Bromodi Chloromethane74-97-5 ——————— Bromochl oromethane78-87-5 ——————— 1* 2-Dichloropropane10061-01-5 ———— cis-1* 3-Dichloropropene79-O1 —6 ———————— Tr ichloroethene124—48—1 ——————— Dibromoch loromethane79-00-5 ———————— 1* 1* 2-Trichloroethane

10061-O2-6 ————— trans-1* 3-Dichloropropene ___75-25-2 ——————— Bromoform108-10-1 ——————— 4-Methyl-2-Pentanone59 1 -78-6 ——————— 2-He x an o n e127-18-4 —————— Tetrach loroethene . , „_79-34-5 ——————— 1* li 2, 2-Tetrach loroethane ___1 08-B8-3 ——————— To 1 u en e1 08-90-7 ——————— C hlorobenzene100-41-4 ——————— Ethylbenzene96— 12— B ———————— 1* 2-Dibromo-3— chlorooropane100-42-5 ——————— Sturene1330-20-7 —————— Xulene (total)106-93-4 ——————— li 2-Di bromoe thane95-50-1 ——————— 1* 2-Dich lorobenzene

8 106-46-7 ——————— li 4-Dich lorobenzene8 541-73-1 ——————— li 3-Dichlorobenzene\

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ab Code: ENVSYS Case No. : R3096 SDG No. : 096040600D



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CONCENTRATION UNIT3:CAS NO. COMPOUND ug/L Q

!74-87-3 ———————— Chloromethane ,_ . 874—83—9 ——————— -Bromomethane !75-01 -A ———————— Vinyl Chloride75-OO-3 ———————— Chloroethane75-O9-2 ———————— Me t h y lene Chloride67-6A-1 ———————— Acetone ...„. , . ,_.,.75-15-0 ———————— Carbon Disulfide75-35-4 ——————— ii 1 -Dichloroethene75-34-3 ———————— ii 1-Dichloroethane156-6O-5 ——————— Trans-1* 2-Dichloroethene156-59-4 —————— cis-1* 2-Dichloroethene67—66—3 ——————— Ch 1 orof orm107-06-2 ——————— 1* 2-Dich loroethane78-93-3 ——————— 2-Butanone71-55-6 ———————— li 1* 1-Trichloroethane ,_„,,„56-23—5 ———————— Carbon Tetrachloride75-27-4 ———————— Bromodi Chloromethane . __ „74—97—5 ———————— Bromochl oromethane7B-B7-5 ———————— 1* 2-Dichloropropane „ „,.,...1O061-O1-5 ————— cis-1, 3-Dich loropropene_79-O1 -6 ——————— Trichloroethene124-48— 1 ——————— Dibromoch 1 or ome thane79-00-5 ———————— 1, li 2-Trichloroethane71-43-2 ——————— Benzene1O061-O2-6 ————— trans-1 1 3-Dichloropropene ___75-25-2 ——————— Bromoform1O8-10-1 ——————— 4-Methyl-2-Pentanone591-7B-6 ——————— 2-Hexanone127-18-4 ——————— Tetrach loroethene79-34-5 ———————— 1* 1* 2* 2-Tetrachloroethane_ __108-88-3 ——————— Toluene108-90-7 —————— Ch lorobenzene1OO-41-4 ——————— Ethylbenzene96-12-8 ——————— 1* 2-Dibromo-3--ch loropropane _100-42-5 —————— Styrene .1330-20-7 ——————— Xylene ( total J1O6— 93— 4 ——————— I* 2-Dibromoethane95-5O-1 ———————— li 2-Dich lorobenzene1O6— 46— 7 ——————— li 4-Dich lorobenzene

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Lab Code: ENVSYS Case No. : R3096 SDG No. : O9604O600D

Lab Sample ID: 9504O775 Date Received: O4/07/95


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CONCENTRATION UNITS:GAS NO. COMPOUND ' ug/L

874-87-3 ———————— Chloromethane ... 874-83-9 ———————— Bromomethane !75-01-4 ————————— Vinyl Chloride !75-OO-3 ———————— Chloroethane S75-O9-2 ———————— Methyl ene Chloride I67-64-1 ——————— Acetone ..... I75-15-0 ———————— Carbon Disulfide 175-35-4 ——————— 1* 1-Dich loroethene75-34-3 ——————— 1. 1-Dichloroethane ... _ ..„.., _156-6O-5 ——————— Trans-1* 2-Dichloroethene156-59-4 ——————— cis-1* 2-Dichloroethene67—66—3 ———————— Ch lorof orm107-06-2 ———————— li 2-Dichloroethane _ . _78—93-3 ———————— 2-Butanone ,..,,71-55-6 ———————— li li 1-Trichloroethane56—23—5 ——— - ———— 'Carbon Te trac h 1 or i d e75-27-4 ——————— Bromodlchloromethane74-97-5 ——————— Bromochl oromethane78-87-5 ———————— 1. 2— Dich loropropane10061-01-5 ————— cis-1* 3-Dichloropropene79— 0 1 —6 ———————— Tr ichloroethene124— 4S— 1 ——————— Dibromoch loromethane79-OO-5 ———————— 1* li 2-Tri.ch loroethane71-43-2 ———————— Benzene _ _ .,10061-02-6 ————— trans-1* 3-Dichloropropene ___75-25-2 ———————— Bromoform ,,_1OB-1O-1 ——————— 4-Methyl-2-Pentanone591-7B-6 ——————— 2-Hexanone127-18-4 —————— Tetrach lor oethene79-34-5 ——————— 1* 1* 2* 2-Tetrach loroethane _____1OB-B8-3 ————— —Toluene108—90—7 —————— Ch 1 or ob en z ene1 OO-4 1 -4 ——————— Et h ylbenzene96—12—8 ———————— 1* 2— Dibr omo— 3— ch loropropane _1 00-42-5 ——————— S t u r e n e1330-20-7 —————— Xylene (total)1O6-93-4 ——————— I* 2-Di bromoe thane95-5O-1 ———————— 1* 2-Dich lorobenzene „.„„,„1O6-46-7 ——————— li 4-Dichlorobenzene ,„,..„„ .,_, .541-73-1 —————— li 3-Dich lorobenzene

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1A EPA SAMPLE NVOLATILE ORGANICS ANALYSIS DATA SHEET ______________

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Lab Sample ID: 95040777 Date" Received: 04/O7/95

Lab File ID: 04O777 Date Analyzed: 04/12/9.5

Purge Volume: --- 25.0 mL Dilution Factor: 1.0

CONCENTRATION UNITS:CAS NO. COMPOUND ' ug/L Q

74-87-3———————Chloromethane_74-83-9———————Bromomethane__75-01-4———————Vinyl Chloride.75-OO-3————————C hloroeth an e __75-09-2———————Me thylene Chloride.67—64— 1 ————————Ac e t one __________________75-15-O———————Garb on Disulfid e______75-35-4———————1* 1-Dich loroethene____75-34-3———————1* 1-Dichloroethane____156-60-5———————Trans-1* 2-Dichloroethene.156-59-4——————cis-1. 2-Dichloroethene___67—66—3————————Ch lor o form___________ •107-O6-2———————1* 2-Dich loroethane______78-93-3————————2-B u tan on e_________________71-55-6————————1, li 1-Trichloroethane____56-23-5———————Carbon Te tr a c h 1 or i d e____75-27-4———————Bromodi Chloromethane____74-97-5———————Bromochl oromethane______78-87-5———————1, 2-Dichloropropane_____10061-01-5————cis-1, 3-Dichloropropene__79—Oi-6————————Trichloroethene__________124-48-1———————Dibromoch loromethane____79-00-5———————1. li 2-Trichloroethane___71 -43—2————————B en z en e ______________10061-02-6—————trans-1* 3-Dichloropropene.75-25-2————————Bromoform_______________108-10-1———————4-Methyl-2-Pentanone________591 -78-6———————2-H e x a n o n e _______________-m127-18-4——————Tetrach lor oethene________79-34-5————————1* 1* 2. 2-Tetrachloroethane__108-88-3———————To 1 u en e______,_______________108-90-7——————Ch 1 orob en z ene____________100-41-4———————Eth y Iben z ene______________96-12-B————————1* 2-Dibromo-3-chloropropane.100-42-5———————S t y r en e '_________________1330-20-7——————Xylene (total)____________106-93-4———————1* 2-Dibromoethane______'95-50-1———————li 2-Dich lorobenzene_______106-46-7———————1* 4-Dichlorobenzene________541-73-1———————li 3-Dich lorobenzene_______

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i .: AR000287PHRM I VGA 3/9O

1A EPA SAMPLE NOVOLATILE ORGANICS ANALYSIS DATA SHEET

! .096040600M.Lab Name: ENVIROSYSTEMS Contract: I___


Lab Sample ID: 95O4O776 Date Received: O4/O7/95


Purge Volume: 25. 0 mL Dilution Factor: 1.0


174-87—3 ———————— Ch loromethane74-B3-9 ———————— B romomethane75-01-4 ———————— Vinyl Chloride75-OO-3 ——————— C hloroethane75-09-2 ——————— Methylene Chloride67-64- 1 ———————— Ac e t on e75-1 5-O ———————— Carbon Disulfide75-35—4 ——————— 1* 1— Dich lor oethene75-34—3 ———————— 1* 1-Dich loroethane156-6O-5 ——————— Trans-1* 2-Dichloroethene _156-59-4 ——————— cis-i* 2-Dichloroethene67-66-3 ——————— Ch 1 or of orm107-06-2 ——————— 1* 2-Dich loroethane78-93-3 ——————— 2-Butanone71-55-6 ———————— 1* 1* 1-Trichloroethane56-23-5 ——————— Car bon Tetrachloride75-27-4 ——————— Bromodi Chloromethane74-97-5 ——————— Bromoch loromethane78-87-5 ———————— 1 * 2-D ichloropropane10061-O1-5 ————— cis-1* 3-Dichloropropene79-01-6 ———————— Trichloroethene124-48-1 ——————— Dibromochloromethane ,.__,, __79-00-5 ———————— 1* li 2-Trichloroethane"r« M «•* t—t r\

10061-02-6 ————— trans-1* 3-Dichloropropene ___75-25-2 ——————— B r o mo f o r m108-10-1 ——————— 4-Methyl-2-Pentanone591 -78-6 ——————— 2-H e x a n o n e127-18-4 ——————— Tetrach lor oethene79-34-5 ——————— 1, 1, 2* 2-Tetrach loroethane ___108-B8-3 ——————— Toluene1 08-90-7 ——————— C hlorobenzene100-41-4 ——————— Ethylbenzene96-12-8 ——————— 1* 2-Dibromo-3-ch loropropane _100-42-5 ——————— Styrene1330-20-7 —————— Xylene (total)106-93-4 ——————— li 2-Dibromoethane95-50-1 ——————— 1* 2-Dich lorobenzene1O6-46-7 ——————— 1* 4-Dichlorobenzene541-73-1 ——————— li 3-Dichlorobenzene

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S 096040600Lab Name: ENVIROSYSTEMS Contract: !______

_ab Code: ENVSYS Case No. : R3096 SDG No. : 096040&OOO



Purge Volume: • - - - 25. O mL Dilution Factor: 1.0


74-B7-3 ———————— Chloromethane., .„ _ _.,.74— 83— 9 ———————— Bromomethane75-0 1-A ———————— Vinyl Chloride75-OO-3 ———————— Chloroethane75-09-2 ———————— Me thylene Chloride

75-15-0 ———————— Carbon Disulfide75-35-4 ———————— 1* 1-Dichloroethene75-34-3 ———————— li 1-Dichloroethane156-60-5 —————— Trans-1* 2— Dichloroethene ____156-59-4 ——————— cis-li 2-Dichloroethene , __ „ _67-66-3 ———————— Chloroform107-06-P ——————— li 2-Dichloroethane ,. . __ ...,.,7B-93-3 ———————— 2-Butanone _ '71-55-6 ———————— li li 1-Trichloroethane _.,_„,„.,56-23-5 ———————— Carbon Tetrachloride _„„..,...„,,,75-27—4 ——————— Bromodlchloromethane74-97—5 ——— • ———— Br omoc h 1 or ome thane7B-B7-5 ——————— li 2-Dichloropropane10061-01-5 ———— cis-1* 3-Dichloropropene ,79-01-6 ——————— Trichloroethene124-4B-1 ——————— Dibromoch loromethane ..,._79-00-5 ———————— I* 1, 2-Trichloroethane _ ._71-43-2 ———————— Benzene10061— O2— 6 ————— trans-1* 3— Dichloropropene ___75-25—2 ———————— Bromoform1O8-1O-1 ——————— 4-Methy 1-2-Pentanone591-7B-6 ——————— 2-Hexanone127-1B-4 ——————— Tetrach lor oethene79-34-5 ——————— 1* 1* 2* 2-Tetrac:h loroethane ___10B-BB-3 ——————— Toluene108-90-7 ——————— Chlorobenzene1OO-41-4 ——————— Ethylbenzene96—12—8 ———————— 1* 2— Dibromo-3—ch loropropane100-42-5 ——————— Sturene1330-20-7 —————— Xylene (total)1 06-93-4 ——————— 1 * 2-D ibromoethane95-50-1 ———————— li 2-Dich lorobenzene106—46—7 ——————— 1. 4— Dich lorobenzene541-73-1 ——————— li 3-Dichlorobenzene

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1A EPA SAMPLEVOLATILE ORGANICS ANALYSIS DATA SHEET ___________

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! 18 74-87-3 ———————— Chloromethane7A— D~i_O— — ——/ «f— o J— *T— — — —

75-O1 -4 ———75-00-3 ———7S no— o— — —/ uv d —67-64-1 ———75-15-0 ———75-35-4 ———75-34-3 ———156-6O-5 ——

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78-87-5 ———

———— Bromomethane———— Vinyl Chloride———— Chloroethane———— Methylene Chloride———— Acetone— ——— Carbon Disulfide———— 1* 1-Dich loroethene—— — •!* 1-Dichloroethane———— Trans-1* 2-Dichloroethene ____———— cis-li 2-Dichloroethene , _———— Chloroform———— li 2-Dich loroethane———— 2— B u t a n o n e———— •!* li 1— Trichloroethane———— Carbon Tetrachloride* ———— Bromodich loromethane• ———— Bromoch loromethane———— li 2— Dichlorooropane

10061-01-5 ————— cis-1* 3-Dichlorooropene79-01-6 ———

79-OO- 5 ———71-43-2 ———10061-O2-6-75— DS O——— —/ 3 «Sw «£ —— ——108-10-1 ——591-78-6 ——127-18-4 ——~fCi *"1 * *S

———— Trichloroethene———— Dibromoch loromethane———— 1. 1* 2-Trichloroethane———— Benzene———— trans— 1* 3— Dich loropropene ___———— Bromoform———— 4— Methy 1-2-Pentanone———— 2— H e x a n o n e— — — — Tetrach loroethene

108-B8-3 ——————— Toluene108-90-7 ——100-41-4 ——OA— 1 •3_Q___—TO J. — H—————i f\r\—Ar} ~;1330-2O-7 —

95-50-1 ———106-46-7 ——541-73-1 ——

———— Ch lorobenzene———— Et h y 1 b en z ene———— 1* 2— Dibromo— 3— ch loropropane _ .———— Sturene———— Xulene (total)

———— 1* 2-Dich lorobenzene , , ,.— —— "1* 4— Dich lorobenzene———— 1* 3-Dich lorobenzene

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1A EPA SAMPLE NO.VOLATILE ORGANICS ANALYSIS DATA SHEET _____________, ,

! Q96O4O4TQ4ab Name: ENVIROSYSTEMS Contract: 8___ •






874-87-3 ———74-83-9 ———75— 0 1 —4- —— —75-OO-3 —— -75-09-2 —— -67-64-1 ———75-15-0 ———75-35-4 ———7*5— 3 A— '3—— ——r w J*r— J—— — —156-60-5 ——156-59-4 ——J-~t Z.Z. <~—

107-06-2 ———78-93-3 ———71-55-6 ———56-23-5 ———75-27-4 ———

78-87-5 ———10061-01-5-79-O1 -6 — —124-48-1 ——79-00-5 ———71-43-2 ———1O061-O2-6-75-25-2 ———108-10-1 ——591-78-6 ——

79-34-5 ———1O8-88-3 ——108-90-7 ——1OO-41-4 ——96-12-8 ———1OO-42-5 ——i *~*9ni "in *r1 DA— o*3— _LA wO— *T»3— «t— — —

95-50-1 ———106-46-7 ——541-73-1 ——

———— Chloromethane———— Bromomethane———— Vinyl Chloride———— Chloroethane———— Methylene Chloride , ,— — —Ac e t on e———— Carbon Disulfide———— 1* 1-Dich loroethene———— 1* 1-Dichloroethane———— Trans-1* 2-Dichloroethene ____———— cis-1* 2-Dichloroethene———— Chloroform———— 1* 2-Dich loroethane———— 2— Bu tan one———— 1* 1* 1—Tr ichloroethane

———— Bromod ich loromethane

———— Tr ichloroethene———— Dibromoch loromethane „.. _ .,———— 1* 1* 2-Trichloroethane———— B en z en e———— trans— 1* 3-Dich loro prop ene———— Bromoform———— 4-Methul-2-Pentanone• ———— 2— Hexanone———— Tetrach loroethene———— 1* 1* 2* 2-Tetrachloroethane ___———— Toluene——— Ch lorobenzene———— Ethylbenzene———— 1* 2-Dibromo-3-ch loropropane _———— Styrene———— Xylene (total)———— 1* 2-Dibromoethane———— 1* 2-Dich lorobenzene———— 1* 4-Dich lorobenzene .. _ .,———— 1* 3-Dich lorobenzene ,,.„„,

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AR00029IFORM I VOA 3/90

1A EPA SAMPLEVOLATILE ORGANICS ANALYSIS DATA SHEET ____

Lab Name: ENVIROSYSTEMS Contract:



Lab File ID: 040677 Date Analyzed: 04/10/95• : -Af

Purge Volume: -- 25. O mL Dilution Factor: 1.0


i i ,8 74-B7-3 ———————— Chloromethane8 74-83-9 ——————— Bromomethane! 75-01-4 ——————— Vinul Chloride1 75-OO-3 ——————— Chloroethane! 75-09-2 ——————— Methulene Chloride8 67-64-1 ———————— Acetone8 75-1 5-O ———————— Carbon Disulfide8 75-35-4 ———————— 1* 1-Dich loroethene8 75-34-3 ———————— li 1-DichloroethaneI 156— 6O— 5 —— - —— • — Trans— 1* 2— Dichloroethene8 156-59-4 —————— cis-li 2-Dichloroethene8 67-66-3 ———————— Chloroform8 107-06-2 ——————— l*2-Dichloroethane ,. ...8 78-93-3 ——————— 2-Butanone8 71-55-6 ———————— 1* !• 1-TrichloroethaneI 56—23—5 ——— - — -!— Carbon Tetrachloride8 75-27-4 ——————— Bromodi Chloromethane

8 78-87-5 ———————— li 2-Dichloropropane! 10061-01-5 ————— cis-1* 3-Dichloropropene!™TQ__rt 4 / T»» * JB L. 1 m__M.*Jwl.«_iM

i 124-48-1 ——————— Dibromoch loromethane8 79-00-5 ——————— 1* 1* 2-Trichloroethane8 71-43-2 ———————— Benzene8 10061-02-6 ————— trans-1* 3-Dichloropropene ___• "•»« *n R I *"^ 1-mnMlfl.itrtM JMi /5— 25— 2— —— —— — Bromororm8 1O8-1O-1 ——————— 4-Methyl-2-Pentanone8 591-7B-6 ——————— 2-Hexanone8 127-18-4 ——————— Tetrach loroethene8 79-34-5 ———————— 1* 1* 2* 2-TetrachloroethaneI 108-B8-3 ——————— Toluene8 108-90-7 —————— Ch lorobenzene8 100-41-4 —————— EthylbenzeneS 96-12-8 ——————— 1* 2-Dibromo-3-ch loropropane8 100-42-5 ——————— Styrene8 1330-20-7 —————— Xulene (total)8 106-93-4 ——————— l*2-Dibromoethane8 95-50-1 ———————— 1* 2-Dichlorobenzene _! 1O6-46-7 ——————— 1* 4-Dichlorobenzene8 541—73—1 —— — —— •!* 3— Dich lorobenzene8

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! „ AR000292FORM I VOA ! 3/90


!! .096040466T !

|,ab Name: ENVIROSYSTEMS Contract: !______________I






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74-B7-3 ———————— Chloromethane74-B3-9 ——————— Bromomethane ...75-01-4 ——————— Vinyl Chloride75-OO-3 ———————— Chloroethane ._75-09-2 ——————— Methyl ene Chloride67-64-1 ————————— Acetone75-1 5-O ———————— Carbon Disulfide75-35-4 ——————— 1* 1 -Dichloroethene75-34-3 ———————— 1* 1-Dichloroethane1 56— 6O— 5 ——————— Trans— 1 1 2— Di c h 1 or oe th ene156-59-4 ——————— cis-1. 2-Dichloroethene67-66-3 ——————— Chloroform107-06-2 ——————— li 2-Di Chloroethane78-93-3 ——————— 2-Butanone „._,„ ,, .,,,71-55-6 ——————— li I* 1-Trichloroethane56-23-5 ———————— Carbon Tetrachloride _____

74—97—5——— — • — 'Bromoch loromethane7B— 87— 5 ———————— li 2— Dich loropropane10061-01-5 ————— cis-li 3-Dichloropropene79-01-6 ——————— Trichloroethene124-48-1 ——————— Dibromoch loromethane79-00-5 ——————— 1* 1* 2-Trichloroethane71-43-2 ——————— Benzene10061-02-6 ————— trans-1* 3-Dichloropropene _____75-25-2 ——————— Bromoform108-1O-1 ——————— 4-Methyl-2-Pentanone591-78-6 ——————— 2-Hexanone127-18-4 ——————— Tetrach lor oethene79-34-5 ——————— 1* 1* 2* 2-Tetrach loroethane _____1O8-BB-3 ——————— To 1 uene1 08-90-7 ——————— C hlorobenzene100-41-4 ——————— Ethylbenzene96-12-8 ——————— 1* 2-Dibromo-3-ch loropropane _100-42-5 ——————— Sturene1330-20-7 —————— Xylene (total)106-93-4 ——————— 1* 2-Di bromoe thane95-50-1 ——————— li 2-Dich lorobenzene106-46-7 —————— 1 1 4-Di c h 1 or ob en z ene541-73-1 —————— 1* 3-Dich lorobenzene

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1A 1 EPA SAMPLE I1 JVOLATILE ORGANICS ANALYSIS DATA SHEET ___________

I ~! .09604041

Lab Name: ENVIROSYSTEMS Contract: ; 8.

.ab Code: ENVSYS Case No. : R3O96 SDG No. : 0960404O2D

Lab Sample ID: 95040670 t>ate Received: 04/O5/95

Lab File ID: 040670 Date Analyzed: 04/10/«?5



1I 74— B7— 3 ———————— C hloromethaneI 74-83-9 ——————— Bromomethane --75-01-4 ———————— Vinyl Chloride75-OO— 3 ———————— Chloroethane f75-09-2 ———————— Methylene Chloride . .,.,„.„_„,67-64-1 ———————— Acetone __ .75-15-0 ———————— Carbon Disulfide ,..„,, _,.,_,.„„,.,..,75-35-4 ———————— 1, 1-Dichloroethene _ ^75-3A-3 ————————— 1, 1-Dichloroethane _ „ __ _.156— 6O— 5 ——————— Trans— 1* 2— Dichloroethene. ___156-59-4 ——————— cis-li 2-Dich loroethene.67-66-3 ———————— Ch 1 orof orm :1O7-O6-2 ——————— li 2-Di Chloroethane78-93-3 ———————— 2-B u tan on e71-55-6 ——————— li 1, 1-Trichloroethane56-23-5 ———————— Carbon Tetrachloride75-27-4 ———————— Sromodich loromethane74-97-5 ———————— Bromochl oromethane78— B7— 5 ———————— li 2-Dichloropropane1OO61-O1-5 ————— cis-1, 3-Dichloropropene79-O1— 6 ———————— Trichloroethene

79-OO-5 ——————— 1, li 2-Trichloroethane71-43-2 ——————— Benzene e10061-02-6 ————— trans-1 1 3-Dichloropropene __75-25-2 ——————— Bromoform108-10-1 ——————— 4-Methyl-2-Pentanonee0 4 f"i t ^11 _ -i wm «** rtsvi— 78— o—— — —— 2— Hexanone127-18-4 —————— Tetrach loroethene79-34-5 ———————— 1, 1* 2* 2-Te trach loroethane1 OS-88-3 ——————— T oluene108-9O-7 ——————— Ch lorobenzene100-41-4 ——————— Ethylbenzene :96—12—8 ——————— 1, 2-Dibromo— 3— ch loropropane100-42-5 ——————— Sturene1330-20-7 —————— Xylene (total)106-93-4 ——————— 1* 2-Dibromoethane ... ...

S 95-5O— 1 ———————— 1* 2-Dich lorobenzeneS 1O6— 46— 7 ——————— li 4— Dich lorobenzene8 541-73-1 ——————— li 3-Dichlorobenzene8

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AROQ02S14FORM I VGA 3/90

1A EPA SAMPLE NCVOLATILE ORGANICS ANALYSIS DATA SHEET

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! .096040416Tffab Name: ENVIROSYSTEMS Contract: I____

.ab Code: ENVSYS Case No. : R3096 SDG No. : O96O4O4O2D


Lab File ID: 040672 Date Analyzed: 04/1O/95


CONCENTRATION UNITS:GAS NO. COMPOUND ug/L . Q

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I8 74-87-3————————Chloromethane__i 74-83-9———————Bromomethane__8 75-01-4———————Vinyl Chloride.8 75-OO-3————————Chloroethane_____S 75-09-2———————Methylene Chloride.S 67-64-1————————Acetone____________! 75-15-0———————Carbon Disulfide__! 75-35-4———————1* 1-Dich loroethene.! 75-34-3————————1, 1-Dichloroethane156—60—5———————Trans—1* 2—Dichloroethene

8 156-59-4——————cis-1* 2-Dichloroethene.67—66—3————————Ch 1 or of or m________107-O6-2———————1* 2-Dich loroethane.

8 78-93-3———————2-Butanone_________8 71-55-6————————1* 1* 1-Trichloroethane.8 56-23-5———————Carbon Tetrachloride_8 75-27-4———————Bromodichloromethane_8 74-97-5————————Bromochl oromethane___8 7S-B7-5————————1, 2-Dichloropropane___! 10061-01-5—————cis-1, 3-Dichloropropene.! 79-01-6————————Tr ichloroeth ene_______"! 124—48—1———————Dibromoch loromethane___! 79-00-5———————1* 1, 2-Trichloroethane_8 71-43-2———————Benzene___________________________1O061-O2-6—————trans-1* 3-Dichloropropene.

8 75-25-2———————Bromoform.,_________8 108-iO-l——————4-Methyl-2-Pentanone.591 -78-6———————2-H e x a n o n e

8 127-18-4——————Tetrach loroethene_______! 79-34-5————————1, 1* 2, 2-Tetrachloroethane.{ 108-88-3———————Toluene____________________! 108-90-7——————Ch lorobenzene__________I 100-41-4——————Ethylbenzene96-12-8————————1, 2-Dibromo-3—ch loropropane_1OO-42-5——————Styrene.

I 1330-20-7—————Xylene (total)_____J 1O6-93-4——————1, 2-Dibromoethane__S 95-50-1———————1* 2-Dich lorobenzene.S 1O6-46-7———————I, 4-Dichlorobenzene.8 541-73-1———————1* 3-Dich lorobenzene.i __________________________________

AR000295

1 SU1 SUi :ui SU2 SU S5 !U 81 SU1 IU 81 SU S1 SU . 8i su :1 IU i1 IU 85 IU 81 SU 8i su :1 SU 8i su :i su :i su :i :u si iu :1 SU 8i su :1 SU 8i iu5 SU S5 SU 8i su1 SU1 SUi su1 SU Si su :1 SU 8i sui su :i su si iu si :u :

1A EPA SAMPLEVOLATILE ORGANICS ANALYSIS DATA SHEET . _

4 ri . 096040416M

Lab Name: ENVIROSYSTEMS Contract:

_ab Code: ENVSYS Case No. : R3096 SDG No. : 096O404O2D





8 i i i8 74-87-3———————Chloromethane_____________! 1 SU I74—83—9———————Br omome thane

4

S 75-O1-4———————Vinyl Chloride_____I 75—OO—3———————Chloroethane__.___I 75-O9-2———————Methylene Chloride.67—64—1————————Ac e t on e

I 75-15-O————————Carbon Disulfide_______8 75-35-4———————1* 1-Dichloroethene_____8 75-34-3————————li 1-Dichloroethane_____8 156-60-5———————Trans-1* 2-Dichloroethene.S 156-59-4——————cis-1* 2-Dichloroethene__I 67-66-3————————Chloroform_________________8 107-O6-2———————1* 2-Dich loroethane_____5 78-93-3———————2-Butanone________________8 71-55-6————————1* 1. 1-Trichloroethane___J 56-23-5———————Carbon Tetrachloride___* 75—27—4————————Bromodichloromethane! 74—97-5————————Bromoch loromethane_____8 78-87-5————————1* 2—Dich loropropane____! 10061-01-5————cis-1* 3-Dichloropropene_

79-O1 -6———————Tr ichloroethene8 124-48-1——————Dibromoch loromethane_8 79-OO-5———————1, 1* 2-Trichloroethane.

3—2———————B e n z e n e8 10061-O2-6—————trans-1* 3-Dichloropropene.8 75—25—2———————Bromoform_________________8 1OB-1O-1———————4-Methyl-2-Pentanone____8 591-78-6———————2-Hexanone________________8 127-18-4——————Tetrach loroethene_______8 79-34-5———————1* li 2* 2-Tetrachloroethane.8 108-88-3———————Toluene__________________8 108-90-7———————Ch lorobenzene_____________8 100-41-4———————Ethylbenzene______________

•1* 2-Dibromo-3-chloropropane__8 100-42-5———————Styrene8 1330-20-7——————Xylene (total)_____5 106—93-4———————1* 2—Dibromoethane__8 95-50-1 ——————— 1* 2-Dich lorobenzene.8 106—46—7———————1* 4—Dich lorobenzene

i !U 81 SU S1 SU I2 SU S5 !U I1 SU S1 SU i1 SU !1 SU 81 SU ' 81 SU1 SU5 SU1 SU S1 SU 81 iU !1 SU1 SU i1 IU1 SU1 SU1 SU1 SU 81 SU 81 SU !5 SU 85 SU 81 8U 81 SU 81 SU 81 SU S1 SU S1 SU 81 SU S1 SU S1 SU S1 8Ui :u

8 541-73-1——————1* 3-Dich lorobenzene__________8 1 !U\_____________________________________________________!___•_____________ \_

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AR00029B


I 44 4

I 09604O407W !.ab Name: ENVIROSYSTEMS Contract: i __________!


Lab Sample ID: 9504O667 Date Received: O4/05/95


Purge Volume: 25.0 mL Dilution Factor: i. 0


11

8 74-87-3 ———— .8 74-83-9 ————1 75-O1-4 ————8 75-OO-3 ————! 75-09-2 ————8 67-64-1 ————8 75-15-0 ————S 75-35-4 ————8 75-34-3 ————8 156-6O-5 ———1 mm v4rt ^/ f T

8 67-66-3 ————8 1O7-06-2 ———I 78-93-3 ————1 71-55-6 ————I ~jZ,— 3*3— ci——— ——

8 75-27-4 ————i 7A— «97— «S——— ——1 /*•!•— T/ — iJ— ——— ———

! 78-87-5 ————! 10061-O1-5 —! 79-O1 -6 ————! 124-48-1 ———S 79-OO-5 ————8 71-43-2 ————8 10061-O2-6 —8 75-25-2 ————S 108-1O-1 ———8 591-78-6 ———1 XfiM/ XU * f ™ ™" ' " "'

:~fr* «•» jm •••7*7— 34—5— ~~—!1 f C3 «C3r"T MI ^• 1 nct—o/t T8 100-41-4 ———• OA — t T_Q_ _

8 100-42-5 ———S< *T_t/ *"ir\ *•»

1 106-93-4 ———8 95-5O-1 ————1 1O6-46-7 ———1 i/^rX r fe3 X

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——— Ch 1 or ome thane——— Bromomethane——— Vinyl Chloride——— Chloroethane ,.„ , .——— Methylene Chloride , „ , ,— —— Acetone——— Carbon Disulfide ,„„——— li 1 -Dichloroethene——— li 1-Dichloroethane,——— Trans-li 2-Dichloroethene _ ___——— cis-li 2-Dichloroethene——— Chloroform „—— — 1, 2-Dichloroethane——— 2— Bu tan one——— 1* li 1-Trichloroethane——— Carbon Tetrachloride——— Br omod i ch 1 oromethane——— Bromoch loromethane _——— li 2-Dichloropropane——— cis-1* 3-Dichloropropene——— Trichloroethene——— Dibromoch loromethane——— li 1* 2— Trich loroethane———Benzene _______——— trans— 1* 3— Dichloropropene ___ .——— Bromoform——— 4-Methyl-2-Pentanone——— 2-He x an on e .„.„.„— — Tetrach loroethene ..——— 1* li 2* 2-Tetrachloroethane ___——— Toluene——— Ch 1 or ob en z ene——— Ethylbenzene——— 1* 2-Dibromo-3-ch loropropane _——— Sturene———— Xylene (total)——— li 2-Dibromoethane——— li 2-Dichlorobenzene __..——— 1* 4-Dichlorohenzene ,.,,,_„ ,„..,.,,„.——— li 3-Dichlorobenzene

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AR.000297FORM I VOA ---.. 3/9O

-A EPA SAMPLE ,,1VOLATILE ORGANICS ANALYSIS DATA SHEET ______

S8 .096O404(

Lab Name: ENVIROSYSTEMS Contract: 8______

Lab Code: ENVSYS Case No.: R3096 SDG No.: 096040402D





74-B7-3 ———————— Chloromethane74-B3-9 ———————— Br omomethane75-01-4 ———————— Vinyl Chloride , , .75-OO-3 ———————— Chloroethane75-09-2 ———————— Methylene Chloride67-64- 1 ———————— A c e t on e75— 15-O ———————— Carbon Disulfide75-35-4 ——————— 1* 1 -Dichloroethene75-34-3 ——————— 1* 1-Dichloroethane156-6O-5 ——————— Trans-1* 2-Dichloroethene156-59-4 ——————— cis-1* 2-Dichloroethene _,_,.,67-66-3 ———————— Chloroform107-06-2 ——————— Ii2-Dichlorai»thane78-93-3 ———————— 2-Butanone ._ ._71-55-6 ———————— 1. I* 1-Trichloroethane ___ „56—23-5 ———————— Carbon Tetrachloride75-27-4 ———————— Bromodi Chloromethane ___ .74—97—5 ———————— Bromoch loromethane7S-S7-5 ———————— li 2-Dichloropropane „..,..10061-01-5 ————— cis-1, 3-Dichloropropene79-0 1 -6 ———————— Tr ichl or oethene124-48-1 —————— Dibromoch loromethane79-00-5 ——————— 1* li 2-Trichloroethane71-43-2 ———————— Benzene10061-02—6 ————— trans— li 3— Dichloropropene75-25-2 ——————— Bromoform108-10-1 ——————— 4-Methyl-2-Pentanone

127-18-4 —————— Tetrach lor oethene79-34-5 ———————— li li 2* 2- Tetrach loroethane. _108-BB-3 ——————— Toluene1 08-9O— 7 ——————— C hlorobenzene100-41-4 ——————— Ethyl benzene

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96—12-8 ——————— 1* 2— Dibromo— 3— ch loropropane _ !1OO-42-5 ——————— Styrene 81330-20-7 —————— Xylene (total)1O6— 93-4 ——————— 1* 2— Dibromo ethane95-50-1 ———————— li 2-Dich lorobenzene106-46-7 ——————— li 4-Dich lorobenzene541-73-1 ——————— li 3-Dich lorobenzene

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AR000298FORM I VOA

1A EPA SAMPLEVOLATILE ORGANICS ANALYSIS DATA SHEET __

! . 096040407MLab Name: ENVIROSYSTEMS Contract: S _____





CONCENTRATION UNJTS:GAS NO. COMPOUND ug/L Q

! ' 8! 74-87— 3 —————— —Chloromethane74-83—9 ——— — —— — Br omomethane75-01-4 ———————— Vinyl Chloride75-OO-3 ——————— Chloroethane75-O9-2 ——————— Me th y 1 ene Chloride67-64- 1 ——————— Ac e t on e75-15-0 ——————— Carbon Disulfide75-35-4 ——————— 1* 1-Dichloroethene . „.„„.,_ ,,75-34-3 ——————— 1* 1-Dichloroethane , ,.„,._.156— 6O-5 ——————— Trans— 1 * 2-Dichloroethene156-59-4 ——————— cis-1, 2-Dich loroethene67—66—3 ———————— Ch lorof orm107-06-2 ——————— 1* 2-Dich loroethane78-93-3 ——————— 2-B u t an o n e71-55-6 ———————— li 1* 1-Trichloroethane56-23-5 ———————— Car bon Tetrachloride75-27-4 ——————— Bromodichloromethane74-97-5 ——————— Bromochl oromethane78-87-5 ——————— li 2-Dichloropropane10061-01-5 ————— cis-1* 3-Dichloropropene79-0 1 -6 ———————— Tr ichloroethene124—48-1 ——————— Dibromoch loromethane79— OO— 5 ———————— I* li 2-Trichloroethane71-43-2 ———————— Benzene10061-02-6 ————— trans-li 3-Dichloropropene ___7 5-2 5-2 ——————— B romoform108-1O-1 ——————— 4-Methyl-2-Pentanonec=O« TP» ./ *1 ' * — -- — — — — —Dvi— 78— o— —— — — 2— nex an one127-18-4 —————— Tetrach lor oethene79-34-5 ——————— Ii 1* 2* 2-Tetrach loroethane ___1 08-88-3 —————— To 1 uen e108-90-7 — ————— Ch 1 orob en z ene100-41-4 ——————— Ethylbenzene96-12-8 ——————— 1* 2-Di bromo-3— ch loropropane _100-42-5 ——————— Styrene

8 1330-20-7 —————— Xylene (total) ,.,..,„8 106-93-4 ——————— l*2-Dibromoethan- ,„„.,.„,8 95-5O-1 ——————— 1* 2-Dichlorobenzene _ , __ ..8 1O6— 46-7 ——————— 1* 4-Dich lorobenzene , .. _ „„.,_„.I 541-73-1 ——————— 1* 3-Dich lorobenzeneI

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1A . : EPA SAMPLE J.jVOLATILE ORGANICS ANALYSIS DATA SHEET ______________

!--: ! .096040407J

Lab Name: ENVIROSYSTEMS Contract: I_______

.ab Code: ENVSYS Case No. : R3096 SDG No. : 096040402D; i ?


Lab File ID: O40675 Date Analyzed: 04/10/95


CONCENTRATION UNITS:CAS NO. COMPOUND tig/L Q

74-87-3 ———74-83-9 ———75-01-4 ———75-OO-3 ———75-09-2 ———67-64-1 ———75-15-0 ———75-35-4 ———75-34-3 ———156-60-5 ——156-59-4 ——67-66-3 ———i2 _2 —71—5 5— A——— —OO &w w7 —37 A—— —74-97-5 ———78-87-5 ———10061-01-5-79-01-6 ———

79-00-5 ———7 1 —A3 P ———/ * "T__l Em

10061-02-6-75 25—2———108-10-1 ——W v X / C J C J

127-18-4 ——/ V O*T w "'••"— '••

J, WO OO «_ ^1 /"Id— O<~— "7— ——i WO "\y /100-41-4 ——QA— i _3 a --..„.—

1330-20-7 —1 AZ._O'? A

95-50-1 ———1 HA— AA— 7———

541-73-1 ——

i———— Chloromethane S———— Bromomethane , 8———— Vinyl Chloride 8— ——— Chloroethane I———— Me thylene Chloride I———— Acetone J———— Carbon Disulfide 1———— 1* 1 -Dichloroethene 1———— 1* 1-Dichloroethane , 8———— Trans-1* 2-Dichloroethene 8———— cis-1* 2-Dichloroethene I———Chloroform ___ S———— li 2— Dichloroethane 1———— 2-Butanone .,.,_. . 8———— 1* 1* 1-Trichloroethane _ 8——— —Carbon Tetrachloride 8———— Bromodich loromethane _ 8———— Bromochloromethane T !——— -li 2— Dich loropropane S———— cis-1* 3-Dichloropropene 8———— Trichloroethene I———— Dibromoch loromethane '!———— 1* 1* 2-Trichloroethane !———— Benzene 1———— trans— 1* 3-Dichloropropene '———— Bromoform !- —— — — 4— Methy 1— 2— Pentanone !———— 2— Hex an one I———— Tetrach lor oethene .,,,, 8———— 1* 1* 2* 2-Tetrach loroethane ___ 1———— Toluene 8———— Chlorobenzene !———— Ethylbenzene 8———— 1* 2-Dibromo— 3— ch loropropane _ !———— Sturene _ 8———— Xylene (total) 8———— 1* 2— Dibromoethane 8———— 1* 2-Di Chlorobenzene I———— 1* 4-Dichlorobenzene 8———— 1* 3-Dich lorobenzene 1

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