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INITIAL ANNUAL GROUNDWATER MONITORING AND CORRECTIVE ACTION REPORT FOR YEAR 2017 FOR ASH BASIN 6 U.S. EPA COAL COMBUSTION RESIDUALS (CCR) RULE BRUNNER ISLAND STEAM ELECTRIC STATION EAST MANCHESTER TOWNSHIP YORK COUNTY, PENNSYLVANIA Prepared for: BRUNNER ISLAND, LLC East Manchester Township York County, Pennsylvania Prepared by: West Chester, PA and the V.F. BRITTON GROUP, LLC Wayne, PA AGC Project No: 2015-3397 January 31, 2018
Transcript
Page 1: INITIAL ANNUAL GROUNDWATER MONITORING AND FOR ASH … · Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced GeoServices) have prepared this Initial Annual Groundwater

 

 

INITIAL ANNUAL GROUNDWATER MONITORING AND CORRECTIVE ACTION REPORT FOR YEAR 2017

FOR ASH BASIN 6

U.S. EPA COAL COMBUSTION RESIDUALS (CCR) RULE BRUNNER ISLAND STEAM ELECTRIC STATION

EAST MANCHESTER TOWNSHIP YORK COUNTY, PENNSYLVANIA

Prepared for:

BRUNNER ISLAND, LLC East Manchester Township York County, Pennsylvania

Prepared by:

West Chester, PA

and the

V.F. BRITTON GROUP, LLC

Wayne, PA

AGC Project No: 2015-3397 January 31, 2018

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TABLE OF CONTENTS PAGE NO.

1.0 Introduction ........................................................................................................................... 1-1  1.1  Purpose .......................................................................................................................... 1-1 1.2  Site Location ................................................................................................................. 1-2 

2.0 Groundwater Monitoring Network ....................................................................................... 2-1 

2.1  Geologic Setting ............................................................................................................ 2-1 2.2  Hydrogeology ................................................................................................................ 2-2 

2.2.1  Regional Flow ........................................................................................................ 2-2 2.2.2  Groundwater Movement ........................................................................................ 2-2 2.2.3  Water Bearing Zones ............................................................................................. 2-3 

2.3  Ccr-Rule Monitoring Well Network Overview ............................................................ 2-4 2.4  Monitoring Well Installation ......................................................................................... 2-4 2.5  Water Level Measurement ............................................................................................ 2-5 

3.0 Groundwater Sampling ......................................................................................................... 3-1 4.0 Statistical Analysis ................................................................................................................ 4-1 5.0 Corrective Actions ................................................................................................................ 5-1 6.0 Anticipated Upcoming Activities ......................................................................................... 6-1 7.0 Certification .......................................................................................................................... 7-1 

LIST OF TABLES TABLE 1 CCR Rule Monitoring Well Construction Overview 2 Groundwater Analytical Testing Results

LIST OF FIGURES FIGURE 1 Site Location Map 2 Monitoring Well Locations for CCR Groundwater Monitoring 3 Schematic Conceptual Cross Section Local Geology 4 Schematic Cross Section Conceptual Regional Groundwater Movement – Vertical

Component 5 Existing Groundwater Elevation Contour – Active Discharge 6 Static Groundwater Elevation Contour – No Active Discharge to Basin 6 7 MW-6-3 Area 8 Hydrogeologic Cross Section - MW-6-3 Area

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1.0 INTRODUCTION

1.1 PURPOSE

The United States Environmental Protection Agency (USEPA) issued 40 CFR 257, Subpart D,

Disposal of Coal Combustion Residuals from Electric Utilities (CCR Rule) on April 17, 2015. The

CCR Rule regulates disposal of coal combustion residuals (CCR) in CCR landfills and

impoundments. Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced

GeoServices) have prepared this Initial Annual Groundwater Monitoring and Corrective Action

(GWMCA) Report for Ash Basin 6, a state-permitted ash impoundment, located at the Brunner

Island Stream Electric Station (Brunner) in East Manchester Township, York County,

Pennsylvania.

The CCR Rule states the following requirements for the GWMCA Report (40 CFR §257.90):

(e) Annual groundwater monitoring and corrective action report. For existing CCR landfills and existing CCR surface impoundments, no later than January 31, 2018, and annually thereafter, the owner or operator must prepare an annual groundwater monitoring and corrective action report. For new CCR landfills, new CCR surface impoundments, and all lateral expansions of CCR units, the owner or operator must prepare the initial annual groundwater monitoring and corrective action report no later than January 31 of the year following the calendar year a groundwater monitoring system has been established for such CCR unit as required by this subpart, and annually thereafter. For the preceding calendar year, the annual report must document the status of the groundwater monitoring and corrective action program for the CCR unit, summarize key actions completed, describe any problems encountered, discuss actions to resolve the problems, and project key activities for the upcoming year. For purposes of this section, the owner or operator has prepared the annual report when the report is placed in the facility’s operating record as required by § 257.105(h)(1). At a minimum, the annual groundwater monitoring and corrective action report must contain the following information, to the extent available:

(1) A map, aerial image, or diagram showing the CCR unit and all background (or upgradient) and downgradient monitoring wells, to include the well identification numbers, that are part of the groundwater monitoring program for the CCR unit; (2) Identification of any monitoring wells that were installed or decommissioned during the preceding year, along with a narrative description of why those actions were taken;

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(3) In addition to all the monitoring data obtained under §§ 257.90 through 257.98, a summary including the number of groundwater samples that were collected for analysis for each background and downgradient well, the dates the samples were collected, and whether the sample was required by the detection monitoring or assessment monitoring programs; (4) A narrative discussion of any transition between monitoring programs (e.g., the date and circumstances for transitioning from detection monitoring to assessment monitoring in addition to identifying the constituent(s) detected at a statistically significant increase over background levels); and (5) Other information required to be included in the annual report as specified in §§ 257.90 through 257.98.

(f) The owner or operator of the CCR unit must comply with the recordkeeping requirements specified in § 257.105(h), the notification requirements specified in § 257.106(h), and the internet requirements specified in § 257.107(h).

This Report has been prepared to satisfy these requirements.

1.2 SITE LOCATION

The Brunner Island Steam Electric Station (Brunner) is an active electric generation facility located

on the west bank of the Susquehanna River in East Manchester Township, York County,

Pennsylvania. Figure 1 provides a site location map for the facility. Brunner is owned and

operated by Brunner Island, LLC. Ash Basin 6 (Basin 6) is located on the southern end of Brunner

Island and is bordered to the east by the Susquehanna River and to the west by Black Gut Creek.

Basin 6 is an active coal ash impoundment. When the plant is fully operational, process water

discharges into Basin 6, where sediments settle in a settling pond. Water is then routed to a

polishing (clarifying) pond located directly southeast of the settling pond. Treated water

discharges to the Susquehanna River via an NPDES-permitted outfall. The remaining portion of

water recharges into Basin 6, creating a groundwater mound and subsequent radial flow outward

from the basin footprint. Figure 2 provides a general site plan showing the existing CCR Rule

groundwater monitoring well network that currently exists within the area of Basin 6.

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Basin 6 consists of earthen berms around the perimeter of the basin which have been lined with an

impervious clay material on the inside of the berms. The bottom of the basin has not been lined

and allows some of the water to infiltrate though the bottom of the basin. Prior to the development

of the area, sediments from the Susquehanna River had built up Brunner Island. These sediments

consist of a silty clay material overlaying a sand and gravel layer. This unconsolidated material

lies directly on top of a fractured bedrock which has been carved over time by the Susquehanna

River. It is understood that the earthen berms constructed for Basin 6 were constructed directly

on top of the bedrock material, and that most of the unconsolidated materials underlying the berm

footprint were removed. Figure 3 provides a schematic cross-section through the Basin 6 area.

Ash in Basin 6 is currently being excavated and beneficially used at an off-site location.

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2.0 GROUNDWATER MONITORING NETWORK

The CCR Rule also outlines well installation, development, sampling, and decommissioning

requirements. The CCR Rule requires the owner or operator to obtain a certification from a

qualified professional engineer stating that the groundwater monitoring system has been designed

and constructed as outlined above. A detailed description and justification for the Basin 6

groundwater monitoring network is detailed in the report entitled Groundwater Monitoring System

Plan (Advanced GeoServices, October 2017).

Basin 6 has been monitored for numerous years in accordance with state permit requirements and

there is a good understanding of the site characteristics, as described in the following sections.

2.1 GEOLOGIC SETTING

The Basin 6 site area is generally underlain by the Triassic Age New Oxford Formation which

consists of a shale unit and a conglomerate unit. The very southern tip of the site is underlain by

the Cambrian Age Ledger Formation which consists of dolomite. The contact between the Triassic

and Cambrian age rock is an apparent angular unconformity. The bedrock is overlain by native

sand and gravel and silty clay (see Figure 3).

The local bedrock geology is evident based on outcrops along the roadway and railroad tracks that

are west of Black Gut Creek. Several strike and dip measurements were collected from the

outcrops to identify the bedrock structural orientation. Based on the measurements, the bedding

of the New Oxford Formation has an average strike of N45°E and dips to the northwest

approximately 12°. Joint sets were evident in near vertical orientations perpendicular to the strike

orientation.

As discussed above, Basin 6 is surrounded by earthen berms that were constructed directly on the

surface of the bedrock. During the construction of these berms, overburden material (sand, gravel,

and silty -clay) were excavated to the top of bedrock in the area of the berms. This resulted in the

absence of overburden along the edge of the berm; however, the native overburden was untouched

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in the central portion of Basin 6 and coal ash material was placed directly on the overburden

material. Figure 3 provides a schematic cross section of Basin 6.

2.2 HYDROGEOLOGY 2.2.1 Regional Flow

Brunner Island (specifically the Basin 6 area) is located on an island, with the Susquehanna River

bordering the east side and a small tributary (Black Gut Creek) bordering the west side of the island

(see Figure 2). Topographic highlands exist to the west of Brunner Island with groundwater

moving from the highland recharge zone to the east toward Black Gut Creek locally and the

Susquehanna River regionally. Thus, Brunner Island is isolated hydrogeologically from the

topographic highlands to the west which also prevents potential contaminants emanating from

Brunner Island from migrating westward past Black Gut Creek and impacting properties west of

Brunner Island. The regional flow characteristics result in an upward vertical groundwater

gradient under the footprint of Brunner Island hindering the vertical migration of any potential

contaminants downward into the groundwater column. Figure 4 provides a schematic cross section

which shows the conceptual regional vertical groundwater movement associated with Basin 6.

2.2.2 Groundwater Movement

Under fully operational plant conditions, process water enters Basin 6. Based on review of site-

specific groundwater elevation data in March, April, June, and July 2017 and on groundwater

modeling completed for Basin 6, the plant process water that is discharged to the surface of Basin

6 is creating a groundwater mound under the basin with radial flow outward. It is estimated that

up to one-million gallons of water per day infiltrates into Basin 6 as a result of the plant process

water (estimated up to 5-million gallons/day) entering Basin 6. The majority of water discharges

though the NPDES-permitted outfall.

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Figure 5 provides a mean groundwater elevation contour map of the four sets of water level data

collected in March, April, June, and July 2017. It should be noted that vertical groundwater

elevation fluctuation is minimal and does not result in changes to the radial groundwater flow

characteristics indicated on Figure 5.

The average groundwater elevation below Basin 6 is 280 feet Mean Sea Level (ft MSL) which is

within the ash material and above the overburden material.

2.2.3 Water Bearing Zones

The CCR rule requires monitoring of the upper-most aquifer under the CCR unit. As discussed

above, Basin 6 is underlain by a native silty clay and a sand and gravel layer. This overburden

material overlies the fractured bedrock system. Piezometers installed near the northwest corner of

Basin 6 penetrate both the overburden and the bedrock material. Based on water level data

collected in these paired piezometers, it was evident that a slight upward vertical gradient exists

typical of discharge zone hydraulics; a characteristic that would be expected in this area.

Evaluation of this area suggests that the potentiometric surface observed in the overburden and

bedrock wells is connected. A separate overburden water bearing zone does not exist. Based on

published geologic data, it is apparent that the bottom of the aquifer can range from 100 to 400

feet below the ground surface where the fractures in the bedrock (secondary porosity) no longer

transmit groundwater.

Based on site-specific data collected from the area, the hydraulic conductivity of the bedrock zone

is transitional with depth with approximate upper, middle, and deep values of 0.24, 7.54, and 0.91

feet per day, respectively. However, this is not consistent over the entire Brunner Island area.

Low hydraulic conductivity in the upper portion of the bedrock has been suggested in geologic

publications to be the result of silt and clay filling in the shallow rock fractures which reduce the

conductivity. Clay-filled fractures in the bedrock were generally not observed on the site.

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2.3 CCR-RULE MONITORING WELL NETWORK OVERVIEW

The CCR rule states that wells monitoring a CCR unit must be installed in the upper most aquifer.

Overburden and bedrock piezometers were previously installed on the perimeter of the northwest

portion of Basin 6 (see Figure 7). Water levels in paired overburden wells and the bedrock wells

proximate to the northwest corner of Basin 6 show similar water elevations with a slight upward

vertical gradient. Figure 8 provides a hydrogeological cross-section through this area. Further

evaluation of this area suggests that a separate water-bearing zone does not exist in the overburden

material, but rather that the water levels observed in the overburden wells/piezometers are actually

the potentiometric surface of the bedrock water-bearing zone.

As indicated in Figure 5, the structure of Ash Basin 6 results in a radial flow pattern. There is no

appropriate location on the island for a background well. Therefore, a new background well was

installed at an off-site location, with general concurrence from the Pennsylvania Department of

Environmental Protection (PADEP).

Eight (8) monitoring wells (including 2 new wells, MW-6-7 and MW-6-8 installed in March 2016)

located near the perimeter of the basin and one (1) new off-site background well (MW-BG-1) have

been selected for use in the groundwater detection monitoring plan. The general well construction

for these nine (9) wells is provided on Table 1, and their locations are shown on Figure 2.

2.4 MONITORING WELL INSTALLATION

Two (2) new wells (named MW-6-7 and MW-6-8) adjacent to Basin 6, and the new off-site well

MW-BG-1 were installed, in accordance with appropriate state regulations and in conformance

with the CCR rule, by a licensed monitoring well drilling contractor during March 2016. Table 1

provides the construction of these wells, and Figure 2 provides the well locations. The new 4-inch

wells were, screened to monitor the uppermost aquifer at the site and constructed in a similar

fashion to the preexisting site wells.

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Upon completion of the well installation activities, the wells were developed to clear the wells of

turbidity. The pumping rate was kept low to promote an approximate 50% drawdown of the static

water level (based on the static water level to the bottom of the well).

The wells have new dedicated low-flow bladder pumps installed by Talen personnel, so that the

pump’s intakes are positioned in the center of the well screen interval. Tubing and fittings were

installed at the well head in the same manner as the existing wells for future sampling events.

HydraSleeve sampling may be utilized at some future date (if the Pennsylvania Department of

Environmental Protection (PADEP) concurs.

The new monitoring wells were surveyed by a Pennsylvania licensed professional surveyor for

their PVC casing elevation and horizontal location. The results of the survey are presented on

Table 1.

2.5 WATER LEVEL MEASUREMENT

Groundwater level measurements were collected for each groundwater sampling event in 2017

prior to purging (March, April, June, and July 2017). These measurements were performed by

using an electronic depth-to-water meter and measured to the nearest 0.01 feet from the indicated

survey mark at the top of each PVC well casing identified in Table 1. This procedure allows a

depth measurement from the survey mark to the groundwater table to be converted to a

groundwater table elevation. Results of the data are discussed in Section 2.2.2.

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3.0 GROUNDWATER SAMPLING Eight (8) rounds of groundwater samples were collected and tested for Appendix III and Appendix

IV parameters to characterize “baseline” conditions. The parameters, or constituents, associated

with each appendix are provided below:

Appendix III Parameters Appendix IV Parameters Boron Calcium Chloride Fluoride pH Sulfate Total Dissolved Solids (TDS)

Antimony Arsenic Barium Beryllium Cadmium Chromium Cobalt

Fluoride Lead Lithium Mercury Molybdenum Selenium Thallium Radium 226 & 228

The sampling events occurred during the following periods:

April 2016 June 2016 September 2016 December 2016

March 2017 April 2017 June 2017 July 2017

A detection monitoring event (Sample #9) was completed in September 2017 and analyzed for

Appendix III parameters. The September 2017 detection monitoring event was used for statistical

evaluation described in Section 4.0 of this Report.

Sample collection was performed in accordance with Talen procedures for low-flow sampling. In

addition to the CCR Rule Appendix III constituents mentioned above, groundwater depth, field

pH, field Redox, field turbidity, total alkalinity, and iron were analyzed. For every 10 or fewer

groundwater sampling points collected during a CCR Rule sampling event at Basin 6, a duplicate

sample was collected. Matrix spike and matrix spike duplicates were included in analytical batches

per specific test method requirements to assess matrix effects on laboratory precision and accuracy.

The results of laboratory testing are provided as Table 2.

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4.0 STATISTICAL ANALYSIS

40 C.F.R. § 257.93(f) defines the statistical analysis methods to determine whether a statistically

significant increase (SSI) of any Appendix III parameter has occurred. 40 C.F.R. § 257.93(h) (1)

further instructs that the SSI for each parameter at each well will statistically be compared to

“background” data. The sampling events required to commence the SSI analysis (as scheduled

for early 2018) were completed in 2017. .

A Certification defining the Statistical Method, Selection of Statistical Method Certification

Groundwater Monitoring and Analysis Program for Ash Basin 6 (Advanced GeoServices, October

2017), for evaluating possible statistically-significant increases (SSI) in concentrations of

Appendix III groundwater constituents, was placed on the Talen CCR Rule publicly-accessible

website.

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5.0 CORRECTIVE ACTIONS

Ash above the water table within the basin is currently being excavated and the ash is being

beneficially reused off-site. It is anticipated that this process will take 15 years to complete (from

start to finish). Further actions, if and as needed, regarding assessment and/or corrective action,

will be described in future CCR-rule required documents.

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6.0 ANTICIPATED UPCOMING ACTIVITIES

During the 2018 calendar year, the following activities are anticipated to occur relative to

implementation of groundwater-related requirements of the CCR Rule:

Complete Statistical Analysis to determine whether an SSI has occurred.

If an SSI has not occurred, Detection Monitoring and reporting will continue

through 2018.

If an SSI has occurred, the following would occur:

Establish and implement an Assessment Monitoring Program (AMP);

Provide required notices that an AMP has been established;

Establish Groundwater Protection Standards (GWPS) for Basin 6; and

Determine whether constituents are detected as statistically significant

levels (SSL) above the GWPS.

Other actions may also be completed, if/as necessary, in accordance with the CCR regulations,

depending on the results of the above analyses.

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7.0 CERTIFICATION

CCR Impoundment Information Name: Ash Basin 6 Operator: Brunner Island, LLC Address: 1400 Wago Road, York Haven, PA 17370

Qualified Professional Engineer: Name: Christopher T. Reitman, P.E. Company: Advanced GeoServices Corp.

I, Christopher Reitman, certify that this Initial Annual Groundwater Monitoring and Corrective Measures Report for 2017 for Ash Basin 6 has been compiled to meet the requirements of the Coal Combustion Residual (CCR) rule 40 CFR §257.90 (e). I am a duly licensed Professional Engineer under the laws of the Commonwealth of Pennsylvania.

Print Name: _________________________

Signature: __________________________

Date: ______________________________

License Number: P.E. 040717 My license renewal date is September 30, 2019

Qualified Professional Geologist: Name: Val F. Britton Company: V.F. Britton Group, LLC

I, Val F. Britton, certify that this Initial Annual Groundwater Monitoring and Corrective Measures Report for 2017 for Ash Basin 6 has been compiled to meet the requirements of the Coal Combustion Residual (CCR) rule 40 CFR §257.90 (e). I am a duly licensed Professional Geologist under the laws of the Commonwealth of Pennsylvania.

Print Name: _________________________

Signature: __________________________

Date: ______________________________

License Number: P.G. 001358 My license renewal date is September 30, 2019

G:\Projects\2015\20153397 - Brunner Detection Monitoring Systems\Work Documents\GW_2017 Annual GWMCA Report\Basin 6\FINAL\FINAL_Basin 6_2017 GWMCA Report_01312018.docx

Christopher T. Reitman

January 31, 2018

January 31, 2018

Val F. Britton

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TABLES

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TABLE 1CCR RULE MONITORING WELL CONSTRUCTION OVERVIEW

Ash Basin 6, Brunner Island Steam Electric Station East Manchester Township York County, PA

AGC Project No.: 2015-3397

Well NORTHING PA SOUTH

NAD83

EASTING

NAD83

PA SOUTH

TOIC Elevation (Ft. MSL)NAVD88

Diameter (Inch)

Total Depth (Ft. BGS)

Screen Interval (Ft. BGS)

Material Screened

MW-6-2 272854.60 2267626.29 280.97 2 30 25-30 Alluvium & FillMW-6-3N 273750.89 2265995.81 264.35 4 23.2 13-23.2 Alluvium & BedrockMW-6-4 274465.13' 2267808.87 264.19 2 30.5 25.5-30.5 Alluvium & FillMW-6-6 273374.72 2266989.72 265.49 4 20.5 10.5-20.5 Alluvium & FillPZ-6-5B 274568.71 2265658.14 273.53 4 35 25-35 BedrockMW-8-2 275454.02 2266992.05 270.74 4 20.5 10-20 Alluvium & BedrockMW-6-7 273587.00 2268131.04 263.45 4 18 8-18 Alluvium & BedrockMW-6-8 272414.98 2268443.90 265.21 4 22 12-22 Alluvium & Bedrock

MW-BG-1 273606.08 2262789.65 323.51 4 60 40-60 Bedrock

Northings, Eastings, and TOIC for MW-BG-1 was provided to Advanced GeoServices by Cross Roads Surveying

Northings, Eastings, and TOIC for all wells except MW-BG-1 were developed by Kimball Surveyingbased on surveying completed on June 5-7 and July 18, 2017 for V.F. Britton Group

G:\Projects\2015\20153397 - Brunner Detection Monitoring Systems\Sec Files\Reports\GW_2017 Annual GWMCA Reports\Basin 6\Tables\Table 1_Basin 6-Well Overview 1 of 1

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TABLE 2GROUNDWATER SAMPLING RESULTS 2016-2017

Ash Basin 6, Brunner Island Steam Electric Station East Manchester Township York County, PA

AGC Project No.: 2015-3397

Sample Location MW-6-2 MW-6-2D MW-6-3N MW-6-4 MW-6-6 PZ-6-5B MW-6-7 MW-6-8 MW-8-2 MW-BG-1Sample Name BR 6-2 BR 6-2D BR 6-3N BR 6-4 BR 6-6 BR PZ65B BR 6-7 BR 6-8 BR 8-2 BR BG-1Lab ID 2016003373 2016003374 2016003375 2016003376 2016003377 2016003378 2016003379 2016003380 2016003381 2016003382Date Sampled 4/26/2016 8:11 4/26/2016 8:11 4/26/2016 14:45 4/26/2016 11:47 4/26/2016 8:08 4/26/2016 10:40 4/26/2016 15:05 4/26/2016 12:26 4/26/2016 11:24 4/26/2016 8:37Matrix Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater GroundwaterRemarks FD of BR 6-2Event ID Basin 6 Round 1 Basin 6 Round 1 Basin 6 Round 1 Basin 6 Round 1 Basin 6 Round 1 Basin 6 Round 1 Basin 6 Round 1 Basin 6 Round 1 Basin 6 Round 1 Basin 6 Round 1Parameters Units Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQAppendix III ParametersConventionalsChloride mg/L 23.2 0.5 23.4 0.5 21.6 0.5 20.6 0.5 10.8 0.5 23.6 1 21.2 0.5 3.7 0.5 29.1 0.5 15.6 0.5Fluoride mg/L 0.23 0.05 0.23 0.05 1.35 0.05 0.11 0.05 0.08 0.05 0.13 0.1 0.53 0.05 0.04 J 0.05 0.98 0.05 0.02 J 0.05Lab pH * S.U. 6.69 1.68 6.69 1.68 7.61 1.68 7.58 1.68 6.95 1.68 7.22 1.68 6.41 1.68 6.7 1.68 6.95 1.68 7.33 1.68Sulfate mg/L 45.6 3 46 3 113 3 126 3 102 3 381 6 175 3 30.3 3 135 3 23.3 3Total Dissolved Solids mg/L 301 15 299 15 304 15 305 15 500 15 756 15 351 15 258 15 340 15 372 15Metals, Total Boron, Total µg/L 192 20 191 20 423 20 143 20 172 20 332 20 776 20 18.7 J 20 442 20 12.4 J 20Calcium, Total mg/L 51.3 0.2 51.7 0.2 69.8 0.2 65.1 0.2 134 0.2 145 0.2 82.3 0.2 52.2 0.2 76.7 0.2 111 0.2Metals, DissolvedBoron, Dissolved µg/L 196 20 192 20 413 20 147 20 170 20 335 20 785 20 24.8 20 451 20 15.7 J 20Calcium, Dissolved mg/L 51.9 0.2 51.3 0.2 69.5 0.2 65.9 0.2 133 0.2 147 0.2 82.7 0.2 51.4 0.2 77.1 0.2 111 0.2Field ParameterspH field reading ** S.U. 6.4 6.4 6.99 7.18 6.77 7.07 6.21 6.41 7.05 6.7Appendix IV ParametersConventionalsFluoride mg/L 0.23 0.05 0.23 0.05 1.35 0.05 0.11 0.05 0.08 0.05 0.13 0.1 0.53 0.05 0.04 J 0.05 0.98 0.05 0.02 J 0.05Radiochemistry ***Radium-226 pCi/L 0.322+/-0.300 0.000+/-0.280 U 0.218+/-0.371 U -0.050+/-0.260 U 0.225+/-0.382 U 0.151+/-0.231 U -0.053+/-0.242 U 0.241+/-0.473 U 0.995+/-0.564 0.156+/-0.368 URadium-228 pCi/L 0.212+/-0.417 U 0.127+/-0.318 U 0.0136+/-0.316 U 0.234+/-0.310 U 0.325+/-0.383 U 0.361+/-0.353 0.175+/-0.344 U 0.379+/-0.371 0.553+/-0.382 0.471+/-0.357Metals, Total Antimony, total µg/L U 2 U 2 U 2 U 2 U 2 U 2 0.67 J 2 U 2 U 2 U 2Arsenic, total µg/L 1.21 0.5 1.19 0.5 228 0.5 0.914 0.5 0.495 J 0.5 0.489 J 0.5 1.46 0.5 0.848 0.5 0.13 J 0.5 0.102 J 0.5Barium, total µg/L 55.6 0.5 55.6 0.5 44.8 0.5 3.37 0.5 50 0.5 48.6 0.5 70.6 0.5 43 0.5 28 0.5 351 0.5Beryllium, total µg/L U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5Cadmium, total µg/L U 0.2 U 0.2 0.177 J 0.2 0.063 J 0.2 U 0.2 0.042 J 0.2 0.148 J 0.2 U 0.2 0.237 0.2 U 0.2Chromium, total µg/L U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5Cobalt, total µg/L U 5 U 5 U 5 U 5 U 5 U 5 U 5 3.086 J 5 U 5 U 5Lead, total µg/L U 0.5 U 0.5 0.106 J 0.5 2.2 0.5 U 0.5 U 0.5 U 0.5 0.149 J 0.5 U 0.5 U 0.5Lithium, total µg/L 20.9 2 20.1 2 70 2 3.36 2 9.61 2 11.2 2 64.8 2 2.99 2 21.1 2 5.96 2Mercury, total µg/L 0.012 J 0.05 U 0.05 0.019 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05Molybdenum, total µg/L 2.236 J 5 2.259 J 5 306 5 140 5 U 5 61.1 5 239 5 1.71 J 5 287 5 U 5Selenium, total µg/L 0.068 J 0.2 0.044 J 0.2 0.078 J 0.2 0.043 J 0.2 U 0.2 U 0.2 0.178 J 0.2 0.154 J 0.2 U 0.2 U 0.2Thallium, total µg/L U 0.5 U 0.5 0.202 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.137 J 0.5 U 0.5 U 0.5Metals, DissolvedAntimony, dissolved µg/L U 2 U 2 U 2 U 2 U 2 U 2 0.623 J 2 U 2 U 2 U 2Arsenic, dissolved µg/L 0.936 0.5 0.79 0.5 229 0.5 0.972 0.5 0.235 J 0.5 0.463 J 0.5 1.4 0.5 0.836 0.5 0.196 J 0.5 0.175 J 0.5Barium, dissolved µg/L 49.4 0.5 48.6 0.5 45.3 0.5 3.45 0.5 44.9 0.5 49.8 0.5 67.5 0.5 42.2 0.5 28.3 0.5 353 0.5Beryllium, dissolved µg/L U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5Cadmium, dissolved µg/L U 0.2 U 0.2 0.168 J 0.2 0.077 J 0.2 U 0.2 0.047 J 0.2 0.199 J 0.2 U 0.2 0.235 0.2 U 0.2Chromium, dissolved µg/L U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5Cobalt, dissolved µg/L U 5 U 5 U 5 U 5 U 5 U 5 U 5 3.167 J 5 U 5 U 5Lead, dissolved µg/L U 0.5 U 0.5 U 0.5 0.121 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5Lithium, dissolved µg/L 20.4 2 19.8 2 69.5 2 3.51 2 9.67 2 11.4 2 62.6 2 3.02 2 21.1 2 6.01 2Mercury, dissolved µg/L 0.013 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05Molybdenum, dissolved µg/L 2.38 J 5 2.186 J 5 307 5 141 5 U 5 61.9 5 233 5 1.902 J 5 291 5 U 5Selenium, dissolved µg/L 0.075 J 0.2 U 0.2 0.082 J 0.2 0.04 J 0.2 U 0.2 0.04 J 0.2 0.206 0.2 0.063 J 0.2 U 0.2 U 0.2Thallium, dissolved µg/L 0.265 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.122 J 0.5 U 0.5 U 0.5 U 0.5

Notes:mg/L - milligrams per liter J - Analyte detected below limit of quantitation and above limit of detection. U - Analyte was not detected above the limit of detectionµg/L - micrograms per liter LOQ - Limit of Quantitation X - Oven temperature was outside 180+/-2oC degree method criteria at 177oCS.U. - Standard Units NS - Not sampled * Laboratory pH analyzed outside of the method hold timepCi/L - picocuries per liter P- Sample not preserved properly ** Field pH is not certified in NELAC Scope of AccreditationDL - Detection Limit Q - Qualifier *** Radiochemistry analyzed by HawkMtn Labs IncFD - Field Duplicate R - Replicate recovery outside accepted recovery limits

G:\Projects\2015\20153397 - Brunner Detection Monitoring Systems\Sec Files\Reports\GW_2017 Annual GWMCA Reports\Basin 6\Tables\Table 2_Basin 6 GW lab results table_App III 1 and 9

Page 19: INITIAL ANNUAL GROUNDWATER MONITORING AND FOR ASH … · Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced GeoServices) have prepared this Initial Annual Groundwater

TABLE 2GROUNDWATER SAMPLING RESULTS 2016-2017

Ash Basin 6, Brunner Island Steam Electric Station East Manchester Township York County, PA

AGC Project No.: 2015-3397

Sample LocationSample NameLab IDDate SampledMatrixRemarksEvent IDParameters UnitsAppendix III ParametersConventionalsChloride mg/LFluoride mg/LLab pH * S.U.Sulfate mg/LTotal Dissolved Solids mg/LMetals, Total Boron, Total µg/LCalcium, Total mg/LMetals, DissolvedBoron, Dissolved µg/LCalcium, Dissolved mg/LField ParameterspH field reading ** S.U.Appendix IV ParametersConventionalsFluoride mg/LRadiochemistry ***Radium-226 pCi/LRadium-228 pCi/LMetals, Total Antimony, total µg/LArsenic, total µg/LBarium, total µg/LBeryllium, total µg/LCadmium, total µg/LChromium, total µg/LCobalt, total µg/LLead, total µg/LLithium, total µg/LMercury, total µg/LMolybdenum, total µg/LSelenium, total µg/LThallium, total µg/LMetals, DissolvedAntimony, dissolved µg/LArsenic, dissolved µg/LBarium, dissolved µg/LBeryllium, dissolved µg/LCadmium, dissolved µg/LChromium, dissolved µg/LCobalt, dissolved µg/LLead, dissolved µg/LLithium, dissolved µg/LMercury, dissolved µg/LMolybdenum, dissolved µg/LSelenium, dissolved µg/LThallium, dissolved µg/L

Notes:mg/L - milligrams per literµg/L - micrograms per literS.U. - Standard UnitspCi/L - picocuries per liter DL - Detection LimitFD - Field Duplicate

MW-6-2 MW-6-3N MW-6-4 MW-6-4D MW-6-6 PZ-6-5B MW-6-7 MW-6-8 MW-8-2 MW-BG-1BR 6-2 BR 6-3N BR 6-4 BR 6-4D BR 6-6 BR PZ65B BR 6-7 BR 6-8 BR 8-2 BR BG-1

2016004758 2016004759 2016004760 2016004761 2016004762 2016004763 2016004764 2016004765 2016004766 20160047676/7/2016 15:10 6/7/2016 8:50 6/8/2016 8:35 6/8/2016 8:35 6/14/2016 10:20 6/14/2016 14:25 6/15/2016 10:47 6/15/2016 8:10 6/6/2016 14:21 6/6/2016 10:13Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

FD of BR 6-4 Basin 6 Round 2 Basin 6 Round 2 Basin 6 Round 2 Basin 6 Round 2 Basin 6 Round 2 Basin 6 Round 2 Basin 6 Round 2 Basin 6 Round 2 Basin 6 Round 2 Basin 6 Round 2

Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ

23.1 0.5 22.2 0.5 20.5 0.5 20.5 0.5 11.5 0.5 24.7 1 22.8 0.5 2.25 0.5 28.9 0.5 15.3 0.50.217 0.05 1.37 0.05 0.113 0.05 0.112 0.05 0.079 0.05 0.162 0.1 0.755 0.05 0.0303 J 0.05 1.03 0.05 0.0259 J 0.056.74 1.68 7.58 1.68 7.5 1.68 7.51 1.68 6.94 1.68 7.17 1.68 6.53 1.68 6.65 1.68 6.96 1.68 7.34 1.6845.3 3 116 3 126 3 126 3 104 3 364 6 137 3 25.6 3 134 3 23.7 3306 15 312 15 308 15 313 15 514 15 693 15 325 15 261 15 377 15 387 15

196 20 430 20 141 20 149 20 193 20 353 20 813 20 31.2 20 484 20 11.9 J 2052.1 0.2 69.6 0.2 64.6 0.2 65.4 0.2 133 0.2 141 0.2 74.2 0.2 43.6 0.2 77.7 0.2 112 0.2

202 20 428 20 143 20 144 20 195 20 353 20 806 20 30.6 20 478 20 17.1 J 2052 0.2 69.6 0.2 66 0.2 66.2 0.2 133 0.2 143 0.2 73.5 0.2 41.6 0.2 77.3 0.2 112 0.2

6.5 7.5 7.44 7.44 6.58 6.94 6.28 6.52 6.8 7.26

0.217 0.05 1.37 0.05 0.113 0.05 0.112 0.05 0.079 0.05 0.162 0.1 0.755 0.05 0.0303 J 0.05 1.03 0.05 0.0259 J 0.05

-0.326+/-1.13 U -0.256+/-1.04 U 0.111+/-0.525 U 0.0751+/-0.819 U -0.095+/-0.530 U 0.192+/-0.958 U 0.751+/-1.14 U -0.389+/-0.853 U -0.075+/-0.790 U -0.30+/-0.675 U0.615+/-0.391 0.435+/-0.364 0.399+/-0.446 0.147+/-0.334 U 0.340+/-0.341 U 0.251+/-0.302 U 0.0538+/-0.364 U 0.348+/-0.347 0.699+/-0.454 0.428+/-0.373

U 2 U 2 U 2 U 2 U 2 U 2 0.698 J 2 U 2 U 2 U 21.31 0.5 262 0.5 0.786 0.5 0.7 0.5 0.198 J 0.5 0.245 J 0.5 3.03 0.5 3.75 0.5 U 0.5 0.117 J 0.558.3 0.5 45.3 0.5 3.56 0.5 3.57 0.5 46.1 0.5 53.7 0.5 58.2 0.5 35.5 0.5 29 0.5 335 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5U 0.2 0.164 J 0.2 0.067 J 0.2 0.069 J 0.2 U 0.2 U 0.2 0.187 J 0.2 U 0.2 0.211 0.2 U 0.2U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 3.833 J 5 1.019 J 5 U 5U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5

19.4 2 63 2 3.11 2 3.09 2 9.07 2 10.7 2 71.4 2 3.73 2 19.9 2 4.99 2U 0.05 0.015 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05

2.067 J 5 312 5 138 5 138 5 U 5 76.2 5 335 5 U 5 309 5 U 5U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 0.324 0.2 0.132 J 0.2 U 0.2 U 0.2U 0.5 U 0.5 U 0.5 0.196 J 0.5 U 0.5 U 0.5 0.214 J 0.5 0.135 J 0.5 U 0.5 U 0.5

U 2 U 2 U 2 U 2 U 2 U 2 0.679 J 2 U 2 U 2 U 20.704 0.5 244 0.5 0.927 0.5 0.791 0.5 0.169 J 0.5 0.271 J 0.5 2.94 0.5 3.3 0.5 U 0.5 0.123 J 0.546.8 0.5 45 0.5 3.64 0.5 3.68 0.5 46.5 0.5 52.9 0.5 57.4 0.5 35.2 0.5 28.6 0.5 341 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5U 0.2 0.155 J 0.2 0.052 J 0.2 0.055 J 0.2 U 0.2 0.044 J 0.2 0.144 J 0.2 U 0.2 0.2 0.2 U 0.2U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 3.669 J 5 1.012 J 5 U 5U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5

19.6 2 64.3 2 3.28 2 3.06 2 8.51 2 10.8 2 71.3 2 3.94 2 19.7 2 4.77 2U 0.05 0.017 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05

2.322 J 5 315 5 139 5 141 5 U 5 77.2 5 333 5 1.132 J 5 302 5 U 50.05 J 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 0.367 0.2 0.155 J 0.2 U 0.2 U 0.2

0.113 J 0.5 U 0.5 U 0.5 U 0.5 0.105 J 0.5 U 0.5 0.186 J 0.5 U 0.5 U 0.5 U 0.5

J - Analyte detected below limit of quantitation and above limit of detection. U - Analyte was not detected above the limit of detectionLOQ - Limit of Quantitation X - Oven temperature was outside 180+/-2oC degree method criteria at 177oCNS - Not sampled * Laboratory pH analyzed outside of the method hold timeP- Sample not preserved properly ** Field pH is not certified in NELAC Scope of AccreditationQ - Qualifier *** Radiochemistry analyzed by HawkMtn Labs IncR - Replicate recovery outside accepted recovery limits

G:\Projects\2015\20153397 - Brunner Detection Monitoring Systems\Sec Files\Reports\GW_2017 Annual GWMCA Reports\Basin 6\Tables\Table 2_Basin 6 GW lab results table_App III 2 and 9

Page 20: INITIAL ANNUAL GROUNDWATER MONITORING AND FOR ASH … · Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced GeoServices) have prepared this Initial Annual Groundwater

TABLE 2GROUNDWATER SAMPLING RESULTS 2016-2017

Ash Basin 6, Brunner Island Steam Electric Station East Manchester Township York County, PA

AGC Project No.: 2015-3397

Sample LocationSample NameLab IDDate SampledMatrixRemarksEvent IDParameters UnitsAppendix III ParametersConventionalsChloride mg/LFluoride mg/LLab pH * S.U.Sulfate mg/LTotal Dissolved Solids mg/LMetals, Total Boron, Total µg/LCalcium, Total mg/LMetals, DissolvedBoron, Dissolved µg/LCalcium, Dissolved mg/LField ParameterspH field reading ** S.U.Appendix IV ParametersConventionalsFluoride mg/LRadiochemistry ***Radium-226 pCi/LRadium-228 pCi/LMetals, Total Antimony, total µg/LArsenic, total µg/LBarium, total µg/LBeryllium, total µg/LCadmium, total µg/LChromium, total µg/LCobalt, total µg/LLead, total µg/LLithium, total µg/LMercury, total µg/LMolybdenum, total µg/LSelenium, total µg/LThallium, total µg/LMetals, DissolvedAntimony, dissolved µg/LArsenic, dissolved µg/LBarium, dissolved µg/LBeryllium, dissolved µg/LCadmium, dissolved µg/LChromium, dissolved µg/LCobalt, dissolved µg/LLead, dissolved µg/LLithium, dissolved µg/LMercury, dissolved µg/LMolybdenum, dissolved µg/LSelenium, dissolved µg/LThallium, dissolved µg/L

Notes:mg/L - milligrams per literµg/L - micrograms per literS.U. - Standard UnitspCi/L - picocuries per liter DL - Detection LimitFD - Field Duplicate

MW-6-2 MW-6-3N MW-6-4 MW-6-6 MW-6-6D PZ-6-5B MW-6-7 MW-6-8 MW-8-2 MW-BG-1MW 6-2 BR 6-3N BR 6-4 BR 6-6 BR 6-6D BR PZ65B BR 6-7 BR 6-8 BR 8-2 BR BG-1

2016007888 2016007889 2016007890 2016007891 2016007892 2016007893 2016007894 2016007895 2016007896 20160078979/14/2016 13:20 9/20/2016 8:49 9/13/2016 8:25 9/14/2016 9:35 9/14/2016 9:35 9/14/2016 16:36 9/13/2016 10:38 9/13/2016 15:07 9/12/2016 14:20 9/12/2016 11:40

Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater GroundwaterFD of BR 6-6

Basin 6 Round 3 Basin 6 Round 3 Basin 6 Round 3 Basin 6 Round 3 Basin 6 Round 3 Basin 6 Round 3 Basin 6 Round 3 Basin 6 Round 3 Basin 6 Round 3 Basin 6 Round 3Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ

22.5 0.5 21.6 0.5 19.6 0.5 10.4 0.5 10.3 0.5 23.6 1 26.2 0.5 3.68 0.5 28.1 0.5 14.7 0.50.198 0.05 1.34 0.05 0.148 0.05 0.077 0.05 0.066 0.05 0.117 0.1 0.997 0.05 0.075 0.05 0.956 0.05 0.0474 J 0.056.83 1.68 7.6 1.68 7.31 1.68 7.13 1.68 7.09 1.68 7.85 1.68 6.68 1.68 6.78 1.68 6.93 1.68 7.42 1.6843 3 108 3 128 3 98 3 96.7 3 335 6 70.5 3 23.7 3 132 3 21.6 3

312 15 308 15 356 15 509 15 506 15 741 15 293 15 333 15 356 15 393 15

194 20 422 20 104 20 204 20 199 20 348 20 627 20 30.4 20 525 20 7.03 J 2050.8 0.2 67.9 0.2 66.7 0.2 134 0.2 131 0.2 140 0.2 66.2 0.2 57.7 0.2 78.8 0.2 111 0.2

197 20 420 20 104 20 206 20 205 20 349 20 641 20 31.1 20 519 20 7.29 J 2051 0.2 68 0.2 68 0.2 134 0.2 133 0.2 141 0.2 67.7 0.2 55.4 0.2 79.1 0.2 109 0.2

6.51 7.5 7.19 6.75 6.75 6.95 6.51 6.55 6.83 7.17

0.198 0.05 1.34 0.05 0.148 0.05 0.077 0.05 0.066 0.05 0.117 0.1 0.997 0.05 0.075 0.05 0.956 0.05 0.0474 J 0.05

0.202+/-0.627 U 0.232+/-0.267 U -0.397+/-0.455 U 0.0964+/-0.440 U 0.187+/-0.635 U -0.089+/-0.407 U 0.180+/-0.557 U 0.000+/-0.415 U 0.000+/-0.462 U 0.177+/-0.424 U0.865+/-0.471 1.04+/-0.631 0.513+/-0.397 0.779+/-0.505 -0.117+/-0.366 U 0.622+/-0.403 0.121+/-0.389 U 0.811+/-0.554 0.160+/-0.439 U 0.559+/-0.418

U 2 U 2 U 2 U 2 U 2 U 2 1.246 J 2 U 2 0.43 J 2 U 21.15 0.5 219 0.5 0.769 0.5 0.25 J 0.5 0.256 J 0.5 0.463 J 0.5 7.65 0.5 0.804 0.5 0.256 J 0.5 0.187 J 0.558.4 0.5 44.2 0.5 5.14 0.5 47.8 0.5 50.6 0.5 47.4 0.5 42 0.5 44.4 0.5 32.3 0.5 325 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.50.041 J 0.2 0.168 J 0.2 0.045 J 0.2 U 0.2 U 0.2 0.053 J 0.2 0.271 0.2 0.058 J 0.2 0.159 J 0.2 U 0.2

U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 1.746 J 5 1.063 J 5 U 5U 0.5 0.18 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.327 J 0.5 U 0.5 U 0.5 U 0.5

20 2 72.5 2 3.69 2 9.93 2 11 2 10.5 2 56.1 2 3.09 2 24.4 2 5.23 2U 0.05 0.01 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 0.01 J 0.05 U 0.05

2.207 J 5 317 5 108 5 U 5 U 5 76.3 5 323 5 1.248 J 5 306 5 U 5U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 0.469 0.2 0.166 J 0.2 0.041 J 0.2 U 0.2U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.461 J 0.5 U 0.5 0.12 J 0.5 U 0.5

U 2 U 2 U 2 U 2 U 2 U 2 1.229 J 2 U 2 U 2 U 21.01 0.5 220 0.5 0.746 0.5 0.221 J 0.5 0.236 J 0.5 0.487 J 0.5 7.38 0.5 0.77 0.5 0.197 J 0.5 0.185 J 0.552.5 0.5 43.8 0.5 5.04 0.5 48.3 0.5 46.8 0.5 46.6 0.5 43.3 0.5 44.4 0.5 31.6 0.5 329 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5U 0.2 0.165 J 0.2 0.06 J 0.2 U 0.2 U 0.2 U 0.2 0.257 0.2 0.056 J 0.2 0.205 0.2 U 0.2U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 1.602 J 5 U 5 U 5U 0.5 U 0.5 0.201 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5

20 2 73.2 2 3.59 2 10.3 2 10.2 2 10.6 2 57.2 2 3.24 2 23.6 2 4.97 2U 0.05 0.017 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 0.01 J 0.05 U 0.05

2.213 J 5 313 5 106 5 U 5 U 5 76.8 5 325 5 1.623 J 5 312 5 U 5U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 0.445 0.2 0.117 J 0.2 0.055 J 0.2 U 0.2U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.433 J 0.5 U 0.5 0.113 J 0.5 U 0.5

J - Analyte detected below limit of quantitation and above limit of detection. U - Analyte was not detected above the limit of detectionLOQ - Limit of Quantitation X - Oven temperature was outside 180+/-2oC degree method criteria at 177oCNS - Not sampled * Laboratory pH analyzed outside of the method hold timeP- Sample not preserved properly ** Field pH is not certified in NELAC Scope of AccreditationQ - Qualifier *** Radiochemistry analyzed by HawkMtn Labs IncR - Replicate recovery outside accepted recovery limits

G:\Projects\2015\20153397 - Brunner Detection Monitoring Systems\Sec Files\Reports\GW_2017 Annual GWMCA Reports\Basin 6\Tables\Table 2_Basin 6 GW lab results table_App III 3 and 9

Page 21: INITIAL ANNUAL GROUNDWATER MONITORING AND FOR ASH … · Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced GeoServices) have prepared this Initial Annual Groundwater

TABLE 2GROUNDWATER SAMPLING RESULTS 2016-2017

Ash Basin 6, Brunner Island Steam Electric Station East Manchester Township York County, PA

AGC Project No.: 2015-3397

Sample LocationSample NameLab IDDate SampledMatrixRemarksEvent IDParameters UnitsAppendix III ParametersConventionalsChloride mg/LFluoride mg/LLab pH * S.U.Sulfate mg/LTotal Dissolved Solids mg/LMetals, Total Boron, Total µg/LCalcium, Total mg/LMetals, DissolvedBoron, Dissolved µg/LCalcium, Dissolved mg/LField ParameterspH field reading ** S.U.Appendix IV ParametersConventionalsFluoride mg/LRadiochemistry ***Radium-226 pCi/LRadium-228 pCi/LMetals, Total Antimony, total µg/LArsenic, total µg/LBarium, total µg/LBeryllium, total µg/LCadmium, total µg/LChromium, total µg/LCobalt, total µg/LLead, total µg/LLithium, total µg/LMercury, total µg/LMolybdenum, total µg/LSelenium, total µg/LThallium, total µg/LMetals, DissolvedAntimony, dissolved µg/LArsenic, dissolved µg/LBarium, dissolved µg/LBeryllium, dissolved µg/LCadmium, dissolved µg/LChromium, dissolved µg/LCobalt, dissolved µg/LLead, dissolved µg/LLithium, dissolved µg/LMercury, dissolved µg/LMolybdenum, dissolved µg/LSelenium, dissolved µg/LThallium, dissolved µg/L

Notes:mg/L - milligrams per literµg/L - micrograms per literS.U. - Standard UnitspCi/L - picocuries per liter DL - Detection LimitFD - Field Duplicate

MW-6-2 MW-6-2D MW-6-3N MW-6-4 MW-6-6 PZ-6-5B MW-6-7 MW-6-8 MW-8-2 MW-BG-1BR 6-2 BR 6-2D BR 6-3N BR 6-4 BR 6-6 BR PZ65B BR 6-7 BR 6-8 BR 8-2 BR BG-1

2016010253 2016010254 2016010255 2016010256 2016010257 2016010258 2016010259 2016010260 2016010261 201601026212/7/2016 8:35 12/7/2016 8:35 12/13/2016 8:30 12/6/2016 8:24 12/7/2016 14:13 12/5/2016 13:50 12/6/2016 10:48 12/6/2016 15:10 12/5/2016 9:55 12/5/2016 10:43Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

FD of BR 6-2 Basin 6 Round 4 Basin 6 Round 4 Basin 6 Round 4 Basin 6 Round 4 Basin 6 Round 4 Basin 6 Round 4 Basin 6 Round 4 Basin 6 Round 4 Basin 6 Round 4 Basin 6 Round 4

Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ

23.1 0.5 23 0.5 21.9 0.5 19.8 0.5 10.9 0.5 25.2 1 20.2 0.5 9.48 0.5 27.7 0.5 13.3 0.50.236 0.05 0.244 0.05 1.36 0.05 0.158 0.05 0.119 0.05 0.187 0.1 0.787 0.05 0.096 0.05 0.996 0.05 0.062 0.056.84 1.68 6.67 1.68 7.67 1.68 7.3 1.68 7.14 1.68 7.21 1.68 6.44 1.68 6.44 1.68 6.91 1.68 7.39 1.6842 3 41.8 3 105 3 131 3 96.7 3 337 6 69.2 3 24.9 3 137 3 19.5 3

296 15 293 15 282 15 376 15 502 15 722 15 264 15 269 15 364 15 368 15

206 20 201 20 420 20 91.5 20 222 20 374 20 575 20 24.8 20 513 20 9.44 J 2051.6 0.2 51.9 0.2 66.7 0.2 70.9 0.2 133 0.2 138 0.2 65.9 0.2 48.5 0.2 81 0.2 107 0.2

204 20 201 20 428 20 93.1 20 221 20 382 20 582 20 28.6 20 502 20 13.5 J 2051.6 0.2 51.7 0.2 66.7 0.2 70.9 0.2 134 0.2 139 0.2 66.2 0.2 48.8 0.2 80 0.2 109 0.2

6.59 6.59 7.47 7.3 6.92 7.16 6.47 6.44 6.48 7.3

0.236 0.05 0.244 0.05 1.36 0.05 0.158 0.05 0.119 0.05 0.187 0.1 0.787 0.05 0.096 0.05 0.996 0.05 0.062 0.05

-0.199 +/-0.344 U -0.256 +/-0.356 U -0.062+/- 0.283 U -0.146 +/-0.451 U 0.128 +/- 0.292 U 0.133 +/- 0.303 U 0.514 +/- 0.597 U 0.133 +/- 0.489 U -0.063 +/-0.286 U -0.280 +/-0.337 U0.635 +/- 0.403 0.673 +/- 0.411 -0.376 +/-0.558 U 0.603 +/- 0.391 0.311 +/- 0.323 U 0.240 +/- 0.315 U 0.577 +/- 0.378 0.369 +/- 0.425 U 0.708 +/- 0.429 0.723 +/- 0.386

U 2 U 2 U 2 U 2 U 2 U 2 1.025 J 2 U 2 U 2 U 20.977 0.5 1.06 0.5 218 0.5 0.78 0.5 0.25 J 0.5 0.461 J 0.5 5.19 0.5 0.444 J 0.5 0.197 J 0.5 0.176 J 0.554.9 0.5 55.9 0.5 43.7 0.5 5.46 0.5 39.4 0.5 47.5 0.5 49.3 0.5 51.8 0.5 30.2 0.5 327 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5U 0.2 U 0.2 0.121 J 0.2 0.074 J 0.2 U 0.2 0.047 J 0.2 0.243 0.2 0.054 J 0.2 0.237 0.2 U 0.2U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 0.5 U 0.5 U 0.5 0.137 J 0.5 U 0.5 U 0.5 U 0.5 0.108 J 0.5 U 0.5 U 0.5

20.4 2 20.3 2 75 2 3.73 2 10.5 2 11.8 2 63.8 2 2.96 2 23 2 5.06 20.014 J 0.05 U 0.05 0.011 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.052.399 J 5 2.479 J 5 331 5 114 5 U 5 77.3 5 286 5 U 5 326 5 U 50.073 J 0.2 0.043 J 0.2 U 0.2 U 0.2 U 0.2 U 0.2 1.44 0.2 0.146 J 0.2 0.041 J 0.2 U 0.20.147 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.226 J 0.5 U 0.5 U 0.5 U 0.5

U 2 U 2 U 2 U 2 U 2 U 2 1.009 J 2 U 2 U 2 U 21.03 0.5 0.994 0.5 217 0.5 0.727 0.5 0.162 J 0.5 0.425 J 0.5 5.19 0.5 0.374 J 0.5 0.215 J 0.5 0.188 J 0.554.5 0.5 54.2 0.5 43.3 0.5 5.51 0.5 38.7 0.5 54.2 0.5 49.3 0.5 53.8 0.5 30.9 0.5 326 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5U 0.2 U 0.2 0.14 J 0.2 0.073 J 0.2 U 0.2 0.054 J 0.2 0.197 J 0.2 0.062 J 0.2 0.263 0.2 U 0.2U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5

0.102 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.520.2 2 20.3 2 75.9 2 3.72 2 10.5 2 13.4 2 63.9 2 3.16 2 23.4 2 5.19 2

0.012 J 0.05 U 0.05 0.014 J 0.05 U 0.05 0.011 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.052.534 J 5 2.418 J 5 333 5 114 5 U 5 87.6 5 288 5 U 5 329 5 U 50.072 J 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 1.39 0.2 0.121 J 0.2 U 0.2 U 0.2

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.223 J 0.5 U 0.5 U 0.5 U 0.5

J - Analyte detected below limit of quantitation and above limit of detection. U - Analyte was not detected above the limit of detectionLOQ - Limit of Quantitation X - Oven temperature was outside 180+/-2 oC degree method criteria at 177oCNS - Not sampled * Laboratory pH analyzed outside of the method hold timeP- Sample not preserved properly ** Field pH is not certified in NELAC Scope of AccreditationQ - Qualifier *** Radiochemistry analyzed by HawkMtn Labs IncR - Replicate recovery outside accepted recovery limits

G:\Projects\2015\20153397 - Brunner Detection Monitoring Systems\Sec Files\Reports\GW_2017 Annual GWMCA Reports\Basin 6\Tables\Table 2_Basin 6 GW lab results table_App III 4 and 9

Page 22: INITIAL ANNUAL GROUNDWATER MONITORING AND FOR ASH … · Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced GeoServices) have prepared this Initial Annual Groundwater

TABLE 2GROUNDWATER SAMPLING RESULTS 2016-2017

Ash Basin 6, Brunner Island Steam Electric Station East Manchester Township York County, PA

AGC Project No.: 2015-3397

Sample LocationSample NameLab IDDate SampledMatrixRemarksEvent IDParameters UnitsAppendix III ParametersConventionalsChloride mg/LFluoride mg/LLab pH * S.U.Sulfate mg/LTotal Dissolved Solids mg/LMetals, Total Boron, Total µg/LCalcium, Total mg/LMetals, DissolvedBoron, Dissolved µg/LCalcium, Dissolved mg/LField ParameterspH field reading ** S.U.Appendix IV ParametersConventionalsFluoride mg/LRadiochemistry ***Radium-226 pCi/LRadium-228 pCi/LMetals, Total Antimony, total µg/LArsenic, total µg/LBarium, total µg/LBeryllium, total µg/LCadmium, total µg/LChromium, total µg/LCobalt, total µg/LLead, total µg/LLithium, total µg/LMercury, total µg/LMolybdenum, total µg/LSelenium, total µg/LThallium, total µg/LMetals, DissolvedAntimony, dissolved µg/LArsenic, dissolved µg/LBarium, dissolved µg/LBeryllium, dissolved µg/LCadmium, dissolved µg/LChromium, dissolved µg/LCobalt, dissolved µg/LLead, dissolved µg/LLithium, dissolved µg/LMercury, dissolved µg/LMolybdenum, dissolved µg/LSelenium, dissolved µg/LThallium, dissolved µg/L

Notes:mg/L - milligrams per literµg/L - micrograms per literS.U. - Standard UnitspCi/L - picocuries per liter DL - Detection LimitFD - Field Duplicate

MW-6-2 MW-6-3N MW-6-3ND MW-6-4 MW-6-6 PZ-6-5B MW-6-7 MW-6-8 MW-8-2 MW-BG-1BR 6-2 BR 6-3N BR 6-3ND BR 6-4 BR 6-6 BR PZ65B BR 6-7 BR 6-8 BR 8-2 BR BG-1

2017001250 2017001251 2017001252 2017001253 2017001254 2017001255 2017001256 2017001257 2017001258 20170012593/7/2017 15:40 3/7/2017 8:19 3/7/2017 8:19 3/8/2017 8:26 3/7/2017 12:48 3/6/2017 14:17 3/8/2017 10:21 3/8/2017 13:31 3/6/2017 11:23 3/6/2017 10:16Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

FD of BR 6-3N Basin 6 Round 5 Basin 6 Round 5 Basin 6 Round 5 Basin 6 Round 5 Basin 6 Round 5 Basin 6 Round 5 Basin 6 Round 5 Basin 6 Round 5 Basin 6 Round 5 Basin 6 Round 5

Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ

22.7 0.5 22.2 0.5 22.5 0.5 29.6 0.5 11.2 0.5 27 1 19.7 0.5 9.1 0.5 29 0.5 13.6 0.50.223 0.05 1.39 0.05 1.38 0.05 0.133 0.05 0.086 0.05 0.154 0.1 0.42 0.05 0.0416 J 0.05 0.863 0.05 0.0443 J 0.05

6.8 1.68 7.6 1.68 7.61 1.68 7.61 1.68 7.02 1.68 7.68 1.68 6.9 1.68 6.46 1.68 7.17 1.68 7.86 1.6841.1 3 106 3 106 3 177 3 99.4 3 336 6 100 3 23.3 3 137 3 20.8 3303 15 298 15 302 15 342 X 15 496 15 707 15 299 X 15 185 X 15 361 15 358 15

204 20 430 20 427 20 124 20 205 20 369 20 543 20 19.9 J 20 436 20 10.6 J 2051 0.2 67.2 0.2 67 0.2 67.3 0.2 132 0.2 137 0.2 65.3 0.2 31.8 0.2 81.1 0.2 106 0.2

205 20 424 20 416 20 127 20 202 20 366 20 521 20 21.6 20 420 20 10.8 J 2050.1 0.2 65.3 0.2 65.3 0.2 66 0.2 131 0.2 135 0.2 63.1 0.2 31.1 0.2 78.7 0.2 103 0.2

6.66 7.56 7.56 7.59 6.93 7.2 6.81 6.33 6.88 7.32

0.223 0.05 1.39 0.05 1.38 0.05 0.133 0.05 0.086 0.05 0.154 0.1 0.42 0.05 0.0416 J 0.05 0.863 0.05 0.0443 J 0.05

0.122 +/- 0.447 U -0.135+/- 0.417 U -0.130+/- 0.313 U 0.267 +/- 0.491 U -0.067+/- 0.349 U -0.129+/- 0.310 U 0.0643+/- 0.378 U 0.000 +/- 0.380 U -0.189+/- 0.289 U -0.116+/- 0.323 U0.405 +/- 0.333 0.205 +/- 0.319 U 0.776 +/- 0.405 0.315 +/- 0.341 U 0.250 +/- 0.294 U 0.483 +/- 0.338 1.09 +/- 0.480 0.624 +/- 0.385 0.563 +/- 0.363 0.378 +/- 0.305

U 2 U 2 U 2 U 2 U 2 U 2 0.52 J 2 U 2 U 2 U 20.932 0.5 221 0.5 223 0.5 0.724 0.5 0.418 J 0.5 0.348 J 0.5 9.82 0.5 0.324 J 0.5 0.149 J 0.5 0.13 J 0.547.4 0.5 42.7 0.5 42.6 0.5 3.71 0.5 40.9 0.5 45.1 0.5 125 0.5 40.1 0.5 28.3 0.5 335 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5U 0.2 0.144 J 0.2 0.139 J 0.2 0.057 J 0.2 U 0.2 0.048 J 0.2 0.072 J 0.2 U 0.2 0.185 J 0.2 U 0.2U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 0.5 U 0.5 U 0.5 U 0.5 0.109 J 0.5 U 0.5 U 0.5 0.169 J 0.5 U 0.5 U 0.5

20.2 2 67.5 2 67.2 2 3.34 2 9.79 2 11.1 2 43.7 2 3.05 2 18.6 2 4.99 2U 0.05 0.011 J 0.05 0.015 J 0.05 U 0.05 U 0.05 0.012 J 0.05 0.013 J 0.05 U 0.05 U 0.05 U 0.05

1.903 J 5 328 5 331 5 111 5 U 5 70 5 104 5 6.95 5 297 5 U 5U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 0.296 0.2 0.124 J 0.2 U 0.2 U 0.2U 0.5 0.15 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.3 J 0.5 0.108 J 0.5 0.101 J 0.5 U 0.5

U 2 U 2 U 2 U 2 U 2 U 2 0.446 J 2 U 2 U 2 U 20.905 0.5 217 0.5 216 0.5 0.787 0.5 0.226 J 0.5 0.393 J 0.5 9.23 0.5 0.259 J 0.5 0.174 J 0.5 0.178 J 0.5

44 0.5 41.5 0.5 40.9 0.5 3.56 0.5 38.4 0.5 44.2 0.5 119 0.5 38.3 0.5 29.1 0.5 325 0.5U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5

0.05 J 0.2 0.133 J 0.2 0.136 J 0.2 U 0.2 U 0.2 U 0.2 0.049 J 0.2 0.049 J 0.2 0.191 J 0.2 U 0.2U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5

20 2 65.1 2 66.4 2 3.04 2 9.78 2 10.8 2 43 2 2.75 2 18.5 2 4.8 2U 0.05 0.015 J 0.05 0.011 J 0.05 U 0.05 U 0.05 0.016 J 0.05 0.015 J 0.05 0.012 J 0.05 U 0.05 U 0.05

2.033 J 5 314 5 318 5 109 5 3.147 J 5 67.8 5 101 5 7.27 5 304 5 2.255 J 5U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 0.043 J 0.2 0.26 0.2 0.104 J 0.2 U 0.2 U 0.2U 0.5 0.236 J 0.5 0.101 J 0.5 0.107 J 0.5 0.114 J 0.5 0.142 J 0.5 0.423 J 0.5 0.141 J 0.5 0.115 J 0.5 U 0.5

J - Analyte detected below limit of quantitation and above limit of detection. U - Analyte was not detected above the limit of detectionLOQ - Limit of Quantitation X - Oven temperature was outside 180+/-2oC degree method criteria at 177oCNS - Not sampled * Laboratory pH analyzed outside of the method hold timeP- Sample not preserved properly ** Field pH is not certified in NELAC Scope of AccreditationQ - Qualifier *** Radiochemistry analyzed by HawkMtn Labs IncR - Replicate recovery outside accepted recovery limits

G:\Projects\2015\20153397 - Brunner Detection Monitoring Systems\Sec Files\Reports\GW_2017 Annual GWMCA Reports\Basin 6\Tables\Table 2_Basin 6 GW lab results table_App III 5 and 9

Page 23: INITIAL ANNUAL GROUNDWATER MONITORING AND FOR ASH … · Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced GeoServices) have prepared this Initial Annual Groundwater

TABLE 2GROUNDWATER SAMPLING RESULTS 2016-2017

Ash Basin 6, Brunner Island Steam Electric Station East Manchester Township York County, PA

AGC Project No.: 2015-3397

Sample LocationSample NameLab IDDate SampledMatrixRemarksEvent IDParameters UnitsAppendix III ParametersConventionalsChloride mg/LFluoride mg/LLab pH * S.U.Sulfate mg/LTotal Dissolved Solids mg/LMetals, Total Boron, Total µg/LCalcium, Total mg/LMetals, DissolvedBoron, Dissolved µg/LCalcium, Dissolved mg/LField ParameterspH field reading ** S.U.Appendix IV ParametersConventionalsFluoride mg/LRadiochemistry ***Radium-226 pCi/LRadium-228 pCi/LMetals, Total Antimony, total µg/LArsenic, total µg/LBarium, total µg/LBeryllium, total µg/LCadmium, total µg/LChromium, total µg/LCobalt, total µg/LLead, total µg/LLithium, total µg/LMercury, total µg/LMolybdenum, total µg/LSelenium, total µg/LThallium, total µg/LMetals, DissolvedAntimony, dissolved µg/LArsenic, dissolved µg/LBarium, dissolved µg/LBeryllium, dissolved µg/LCadmium, dissolved µg/LChromium, dissolved µg/LCobalt, dissolved µg/LLead, dissolved µg/LLithium, dissolved µg/LMercury, dissolved µg/LMolybdenum, dissolved µg/LSelenium, dissolved µg/LThallium, dissolved µg/L

Notes:mg/L - milligrams per literµg/L - micrograms per literS.U. - Standard UnitspCi/L - picocuries per liter DL - Detection LimitFD - Field Duplicate

MW-6-2 MW-6-3N MW-6-4 MW-6-4D MW-6-6 PZ-6-5B MW-6-7 MW-6-8 MW-8-2 MW-BG-1BR 6-2 BR 6-3N BR 6-4 BR 6-4D BR 6-6 BR PZ65B BR 6-7 BR 6-8 BR 8-2 BR BG-1

2017002783 2017002784 2017002785 2017002786 2017002787 2017002788 2017002789 2017002790 2017002791 20170027924/25/2017 13:13 4/25/2017 12:27 4/25/2017 8:30 4/25/2017 8:30 4/25/2017 11:17 4/25/2017 10:03 4/25/2017 10:52 4/25/2017 13:27 4/24/2017 8:33 4/25/2017 8:33

Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater GroundwaterFD of BR 6-4

Basin 6 Round 6 Basin 6 Round 6 Basin 6 Round 6 Basin 6 Round 6 Basin 6 Round 6 Basin 6 Round 6 Basin 6 Round 6 Basin 6 Round 6 Basin 6 Round 6 Basin 6 Round 6Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ

23.2 0.5 22.6 0.5 19.6 0.5 19.4 0.5 11.4 0.5 28.1 1 28.3 0.5 9.85 0.5 30.3 0.5 14.5 0.50.23 0.05 1.42 0.05 0.137 0.05 0.132 0.05 0.084 0.05 0.155 0.1 0.61 0.05 0.092 0.05 0.884 0.05 0.0344 J 0.056.99 1.68 7.76 1.68 7.74 1.68 7.7 1.68 7.56 1.68 7.26 1.68 7.75 1.68 7.01 1.68 7.37 1.68 7.96 1.6841.6 3 107 3 128 3 127 3 101 3 329 6 102 3 46.3 3 136 3 21.4 3299 15 310 15 320 15 319 15 522 15 709 15 375 15 194 15 382 15 375 15

204 20 431 20 132 20 139 20 206 20 374 20 606 20 21.2 20 440 20 10 J 2051.3 0.2 68 0.2 67.6 0.2 68.9 0.2 137 0.2 137 0.2 78.3 0.2 33.5 0.2 84.1 0.2 113 0.2

205 20 426 20 129 20 133 20 204 20 371 20 581 20 24.4 20 420 20 9.16 J 2051.2 0.2 67.4 0.2 66.8 0.2 66.7 0.2 135 0.2 136 0.2 75.6 0.2 33.9 0.2 81.4 0.2 108 0.2

6.66 7.22 7.56 7.56 6.75 6.83 7.65 6.3 6.5 7.08

0.23 0.05 1.42 0.05 0.137 0.05 0.132 0.05 0.084 0.05 0.155 0.1 0.61 0.05 0.092 0.05 0.884 0.05 0.0344 J 0.05

0.000 +/- 0.427 U -0.161 +/-0.246 U 0.181 +/- 0.355 U -0.060 +/-0.274 U 0.658 +/- 0.568 0.166 +/- 0.288 U 0.118 +/- 0.283 U 0.000 +/- 0.403 U 0.663 +/- 0.667 U 0.166 +/- 0.327 U0.623 +/- 0.336 0.634 +/- 0.375 0.495 +/- 0.429 0.579 +/- 0.412 0.322 +/- 0.357 U -0.238 +/-0.302 U 0.190 +/- 0.352 U -0.238 +/-0.353 U 0.575 +/- 0.343 0.448 +/- 0.355

U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 21.11 0.5 231 0.5 0.75 0.5 0.843 0.5 0.424 J 0.5 0.354 J 0.5 12.8 0.5 0.319 J 0.5 0.123 J 0.5 0.22 J 0.554.4 0.5 43.8 0.5 3.9 0.5 3.97 0.5 46.1 0.5 44.9 0.5 114 0.5 33.5 0.5 31.3 0.5 346 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5U 0.2 0.143 J 0.2 0.054 J 0.2 0.044 J 0.2 U 0.2 U 0.2 0.058 J 0.2 0.042 J 0.2 0.225 0.2 U 0.2U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 0.5 0.109 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5

20 2 66.2 2 3.02 2 2.84 2 9.52 2 10 2 39.5 2 2.86 2 16.9 2 4.63 20.012 J 0.05 0.019 J 0.05 U 0.05 0.012 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.052.009 J 5 314 5 106 5 104 5 U 5 65.6 5 93 5 4.32 J 5 288 5 U 50.048 J 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 0.076 J 0.2 0.078 J 0.2 U 0.2 U 0.2

U 0.5 U 0.5 U 0.5 0.103 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5

U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 2 U 20.855 0.5 227 0.5 0.747 0.5 0.79 0.5 0.126 J 0.5 0.318 J 0.5 12.6 0.5 0.296 J 0.5 0.15 J 0.5 0.148 J 0.548.1 0.5 43 0.5 3.99 0.5 3.82 0.5 43.1 0.5 45.1 0.5 112 0.5 32.7 0.5 30.3 0.5 327 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.50.042 J 0.2 0.102 J 0.2 0.052 J 0.2 0.044 J 0.2 U 0.2 U 0.2 0.051 J 0.2 0.055 J 0.2 0.178 J 0.2 U 0.2

U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 0.5 U 0.5 0.113 J 0.5 0.112 J 0.5 0.113 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5

19.7 2 65.2 2 3.04 2 2.81 2 9.2 2 10.1 2 38.3 2 2.83 2 16.9 2 4.38 20.014 J 0.05 0.019 J 0.05 0.01 J 0.05 0.017 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.052.02 J 5 315 5 108 5 104 5 U 5 65.4 5 90.6 5 4.365 J 5 280 5 U 5

0.055 J 0.2 U 0.2 U 0.2 0.045 J 0.2 0.047 J 0.2 U 0.2 0.065 J 0.2 0.11 J 0.2 0.063 J 0.2 U 0.20.133 J 0.5 U 0.5 U 0.5 0.166 J 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.119 J 0.5 U 0.5

J - Analyte detected below limit of quantitation and above limit of detection. U - Analyte was not detected above the limit of detectionLOQ - Limit of Quantitation X - Oven temperature was outside 180+/-2oC degree method criteria at 177oCNS - Not sampled * Laboratory pH analyzed outside of the method hold timeP- Sample not preserved properly ** Field pH is not certified in NELAC Scope of AccreditationQ - Qualifier *** Radiochemistry analyzed by HawkMtn Labs IncR - Replicate recovery outside accepted recovery limits

G:\Projects\2015\20153397 - Brunner Detection Monitoring Systems\Sec Files\Reports\GW_2017 Annual GWMCA Reports\Basin 6\Tables\Table 2_Basin 6 GW lab results table_App III 6 and 9

Page 24: INITIAL ANNUAL GROUNDWATER MONITORING AND FOR ASH … · Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced GeoServices) have prepared this Initial Annual Groundwater

TABLE 2GROUNDWATER SAMPLING RESULTS 2016-2017

Ash Basin 6, Brunner Island Steam Electric Station East Manchester Township York County, PA

AGC Project No.: 2015-3397

Sample LocationSample NameLab IDDate SampledMatrixRemarksEvent IDParameters UnitsAppendix III ParametersConventionalsChloride mg/LFluoride mg/LLab pH * S.U.Sulfate mg/LTotal Dissolved Solids mg/LMetals, Total Boron, Total µg/LCalcium, Total mg/LMetals, DissolvedBoron, Dissolved µg/LCalcium, Dissolved mg/LField ParameterspH field reading ** S.U.Appendix IV ParametersConventionalsFluoride mg/LRadiochemistry ***Radium-226 pCi/LRadium-228 pCi/LMetals, Total Antimony, total µg/LArsenic, total µg/LBarium, total µg/LBeryllium, total µg/LCadmium, total µg/LChromium, total µg/LCobalt, total µg/LLead, total µg/LLithium, total µg/LMercury, total µg/LMolybdenum, total µg/LSelenium, total µg/LThallium, total µg/LMetals, DissolvedAntimony, dissolved µg/LArsenic, dissolved µg/LBarium, dissolved µg/LBeryllium, dissolved µg/LCadmium, dissolved µg/LChromium, dissolved µg/LCobalt, dissolved µg/LLead, dissolved µg/LLithium, dissolved µg/LMercury, dissolved µg/LMolybdenum, dissolved µg/LSelenium, dissolved µg/LThallium, dissolved µg/L

Notes:mg/L - milligrams per literµg/L - micrograms per literS.U. - Standard UnitspCi/L - picocuries per liter DL - Detection LimitFD - Field Duplicate

MW-6-2 MW-6-3N MW-6-4 MW-6-6 MW-6-6D PZ-6-5B MW-6-7 MW-6-8 MW-8-2 MW-BG-1BR 6-2 BR 6-3N BR 6-4 BR 6-6 BR 6-6D BR PZ65B BR 6-7 BR 6-8 BR 8-2 BR BG-1

2017003544 2017003545 2017003546 2017003547 2017003548 2017003549 2017003550 2017003551 2017003552 20170035536/6/2017 11:20 6/13/2017 8:21 6/6/2017 8:07 6/7/2017 8:18 6/7/2017 8:18 6/7/2017 15:22 6/6/2017 16:06 6/7/2017 13:01 6/6/2017 8:05 6/5/2017 10:24Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

FD of BR 6-6 Basin 6 Round 7 Basin 6 Round 7 Basin 6 Round 7 Basin 6 Round 7 Basin 6 Round 7 Basin 6 Round 7 Basin 6 Round 7 Basin 6 Round 7 Basin 6 Round 7 Basin 6 Round 7

Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ

23 0.5 21.9 0.5 19 0.5 11.2 0.5 11.2 0.5 28.6 1 21.1 0.5 4.69 0.5 31.5 0.5 14.2 0.50.212 0.05 1.25 0.05 0.126 0.05 0.0773 0.05 0.0828 0.05 0.147 0.1 0.312 0.05 0.0386 J 0.05 0.912 0.05 0.0255 J 0.056.71 1.68 7.62 1.68 7.55 1.68 6.98 1.68 7 1.68 7.23 1.68 6.51 1.68 6.73 1.68 7 1.68 7.4 1.6841.2 3 103 3 126 3 99.7 3 100 3 325 6 157 3 22.1 3 134 3 20.8 3311 15 325 15 332 15 521 15 523 15 755 15 364 15 236 15 377 15 370 15

197 20 429 20 124 20 204 20 204 20 356 20 834 20 31.3 20 470 20 29.5 2051.7 0.2 67.7 0.2 66.1 0.2 134 0.2 137 0.2 133 0.2 79 0.2 37.9 0.2 78.8 0.2 108 0.2

198 20 412 20 123 20 199 20 194 20 364 20 815 20 30.8 20 455 20 13.6 J 2050.8 0.2 66.5 0.2 65.4 0.2 134 0.2 134 0.2 133 0.2 76.6 0.2 34.6 0.2 76.8 0.2 106 0.2

6.59 7.47 7.48 6.78 6.78 7.11 6.42 6.61 6.78 7.28

0.212 0.05 1.25 0.05 0.126 0.05 0.0773 0.05 0.0828 0.05 0.147 0.1 0.312 0.05 0.0386 J 0.05 0.912 0.05 0.0255 J 0.05

0.131 +/- 0.300 U 0.296 +/- 0.273 0.125 +/- 0.285 U 0.432 +/- 0.324 0.508 +/- 0.476 0.273 +/- 0.329 U 0.0648 +/-0.296 U 0.145 +/- 0.349 U 0.273 +/- 0.330 U 0.0562 +/-0.257 U0.420 +/- 0.454 U -0.169 +/-0.325 U 0.719 +/- 0.401 0.866 +/- 0.451 0.541 +/- 0.358 0.507 +/- 0.380 0.173 +/- 0.311 U 0.644 +/- 0.397 0.991 +/- 0.454 0.283 +/- 0.296 U

U 2 U 2 U 2 U 2 U 2 U 2 0.565 J 2 U 2 U 2 U 21.09 0.5 226 0.5 0.856 0.5 0.235 J 0.5 0.238 J 0.5 0.292 J 0.5 6.25 0.5 0.33 J 0.5 0.169 J 0.5 0.182 J 0.554.9 0.5 42.5 0.5 3.51 0.5 45.1 0.5 45.9 0.5 46.4 0.5 119 0.5 35.1 0.5 29.2 0.5 320 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5U 0.2 0.131 J 0.2 0.053 J 0.2 U 0.2 U 0.2 0.042 J 0.2 0.146 J 0.2 0.042 J 0.2 0.198 J 0.2 0.073 J 0.2U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.172 J 0.5

19.9 2 66.6 2 2.9 2 9.51 2 9.62 2 11.4 2 58.5 2 3.38 2 21.4 2 5.34 2U 0.05 0.011 J 0.05 U 0.05 U 0.05 U 0.05 0.013 J 0.05 U 0.05 0.013 J 0.05 0.013 J 0.05 0.012 J 0.05

2.049 J 5 309 5 113 5 U 5 U 5 77.2 5 191 5 8.87 5 293 5 U 50.045 J 0.2 U 0.2 U 0.2 U 0.2 U 0.2 0.04 J 0.2 0.154 J 0.2 0.136 J 0.2 0.05 J 0.2 U 0.2

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.163 J 0.5 0.1 J 0.5 U 0.5 U 0.5

U 2 U 2 U 2 U 2 U 2 U 2 0.561 J 2 U 2 U 2 U 20.739 0.5 227 0.5 0.673 0.5 0.199 J 0.5 0.223 J 0.5 0.308 J 0.5 6.37 0.5 0.318 J 0.5 0.141 J 0.5 0.146 J 0.545.4 0.5 42.3 0.5 3.62 0.5 44.4 0.5 44.3 0.5 45.6 0.5 117 0.5 33 0.5 28.2 0.5 314 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5U 0.2 0.111 J 0.2 0.064 J 0.2 U 0.2 U 0.2 0.338 0.2 0.133 J 0.2 U 0.2 0.18 J 0.2 U 0.2U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.225 J 0.5 U 0.5 U 0.5 U 0.5

19.7 2 65.2 2 2.82 2 9.43 2 9.5 2 11 2 57 2 3.44 2 21.8 2 5.02 2U 0.05 0.012 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 0.012 J 0.05

2.159 J 5 304 5 112 5 U 5 U 5 75.6 5 189 5 8.75 5 284 5 U 5U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 0.2 0.2 0.167 J 0.2 0.043 J 0.2 U 0.2U 0.5 U 0.5 U 0.5 U 0.5 0.127 J 0.5 U 0.5 0.174 J 0.5 0.163 J 0.5 U 0.5 U 0.5

J - Analyte detected below limit of quantitation and above limit of detection. U - Analyte was not detected above the limit of detectionLOQ - Limit of Quantitation X - Oven temperature was outside 180+/-2oC degree method criteria at 177oCNS - Not sampled * Laboratory pH analyzed outside of the method hold timeP- Sample not preserved properly ** Field pH is not certified in NELAC Scope of AccreditationQ - Qualifier *** Radiochemistry analyzed by HawkMtn Labs IncR - Replicate recovery outside accepted recovery limits

G:\Projects\2015\20153397 - Brunner Detection Monitoring Systems\Sec Files\Reports\GW_2017 Annual GWMCA Reports\Basin 6\Tables\Table 2_Basin 6 GW lab results table_App III 7 and 9

Page 25: INITIAL ANNUAL GROUNDWATER MONITORING AND FOR ASH … · Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced GeoServices) have prepared this Initial Annual Groundwater

TABLE 2GROUNDWATER SAMPLING RESULTS 2016-2017

Ash Basin 6, Brunner Island Steam Electric Station East Manchester Township York County, PA

AGC Project No.: 2015-3397

Sample LocationSample NameLab IDDate SampledMatrixRemarksEvent IDParameters UnitsAppendix III ParametersConventionalsChloride mg/LFluoride mg/LLab pH * S.U.Sulfate mg/LTotal Dissolved Solids mg/LMetals, Total Boron, Total µg/LCalcium, Total mg/LMetals, DissolvedBoron, Dissolved µg/LCalcium, Dissolved mg/LField ParameterspH field reading ** S.U.Appendix IV ParametersConventionalsFluoride mg/LRadiochemistry ***Radium-226 pCi/LRadium-228 pCi/LMetals, Total Antimony, total µg/LArsenic, total µg/LBarium, total µg/LBeryllium, total µg/LCadmium, total µg/LChromium, total µg/LCobalt, total µg/LLead, total µg/LLithium, total µg/LMercury, total µg/LMolybdenum, total µg/LSelenium, total µg/LThallium, total µg/LMetals, DissolvedAntimony, dissolved µg/LArsenic, dissolved µg/LBarium, dissolved µg/LBeryllium, dissolved µg/LCadmium, dissolved µg/LChromium, dissolved µg/LCobalt, dissolved µg/LLead, dissolved µg/LLithium, dissolved µg/LMercury, dissolved µg/LMolybdenum, dissolved µg/LSelenium, dissolved µg/LThallium, dissolved µg/L

Notes:mg/L - milligrams per literµg/L - micrograms per literS.U. - Standard UnitspCi/L - picocuries per liter DL - Detection LimitFD - Field Duplicate

MW-6-2 MW-6-3N MW-6-4 MW-6-6 PZ-6-5B PZ-6-5BD MW-6-7 MW-6-8 MW-8-2 MW-BG-1BR 6-2 BR 6-3N BR 6-4 BR 6-6 BR PZ65B BR PZ65BD BR 6-7 BR 6-8 BR 8-2 BR B6-1

2017004927 2017004928 2017004929 2017004930 2017004931 2017004932 2017004933 2017004934 2017004935 20170049367/25/2017 10:35 7/25/2017 9:42 7/25/2017 10:57 7/25/2017 12:30 7/25/2017 11:53 7/25/2017 11:53 7/25/2017 12:15 7/25/2017 8:03 7/27/2017 8:26 7/25/2017 8:14

Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater GroundwaterFD of PZ 6-5B

Basin 6 Round 8 Basin 6 Round 8 Basin 6 Round 8 Basin 6 Round 8 Basin 6 Round 8 Basin 6 Round 8 Basin 6 Round 8 Basin 6 Round 8 Basin 6 Round 8 Basin 6 Round 8Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ

23.3 0.5 22.6 0.5 19 0.5 11.4 0.5 28.9 1 28.9 1 21.8 0.5 5.34 0.5 29.4 0.5 14.4 0.50.202 0.05 1.3 0.05 0.137 0.05 0.0844 0.05 0.162 0.1 0.17 0.1 0.675 0.05 0.0485 J 0.05 0.9 0.05 0.0448 J 0.056.71 1.68 7.65 1.68 7.56 1.68 6.92 1.68 7.19 1.68 7.33 1.68 6.45 1.68 6.28 1.68 6.99 1.68 7.38 1.6842.8 3 103 3 126 3 101 3 314 6 314 6 107 3 22.2 3 134 3 21.1 3345 15 361 15 340 15 563 15 785 15 783 15 318 15 222 15 391 15 383 15

219 20 456 20 136 20 209 20 388 20 385 20 816 20 37.2 20 503 20 14.6 J 2051.6 0.2 67.7 0.2 64.5 0.2 132 0.2 128 0.2 127 0.2 66.7 0.2 30.9 0.2 77.2 0.2 105 0.2

227 20 445 20 129 20 207 20 377 20 379 20 786 20 38.4 20 485 20 17.5 J 2051.6 0.2 65.8 0.2 63.7 0.2 133 0.2 126 0.2 124 0.2 64.4 0.2 29.2 0.2 76.3 0.2 104 0.2

6.49 7.12 7.24 6.7 6.72 6.72 6.06 6.17 6.58 6.99

0.202 0.05 1.3 0.05 0.137 0.05 0.0844 0.05 0.162 0.1 0.17 0.1 0.675 0.05 0.0485 J 0.05 0.9 0.05 0.0448 J 0.05

0.840 +/- 0.679 -0.084+/-0.385 U 0.000 +/- 0.411 U 1.01 +/- 0.631 0.762 +/- 0.690 1.09 +/- 0.649 0.269 +/- 0.584 U 0.255 +/- 0.501 U 0.372 +/- 0.517 U 0.776 +/- 0.5670.0325+/-0.329 U -0.084+/-0.385 U 0.393 +/- 0.398 U 0.913 +/- 0.524 0.237 +/- 0.376 U 0.261 +/- 0.383 U 0.282 +/- 0.303 U 0.434 +/- 0.423 0.105 +/- 0.317 U 0.433 +/- 0.357

U 2 U 2 U 2 U 2 U 2 U 2 0.878 J 2 U 2 U 2 U 21.52 0.5 231 0.5 0.736 0.5 0.259 J 0.5 0.52 0.5 0.549 0.5 3.35 0.5 0.466 J 0.5 0.188 J 0.5 0.129 J 0.563.3 0.5 42.7 0.5 3.72 0.5 47.7 0.5 46.8 0.5 47.3 0.5 61.6 0.5 39.1 0.5 30.5 0.5 324 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.50.067 J 0.2 0.191 J 0.2 0.067 J 0.2 U 0.2 U 0.2 U 0.2 0.175 J 0.2 0.084 J 0.2 0.208 0.2 U 0.2

U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5

22.1 2 71.3 2 3.19 2 9.99 2 11.8 2 11.9 2 64.4 2 3.65 2 20.8 2 4.82 20.022 J 0.05 0.02 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.052.106 J 5 320 5 133 5 U 5 76.6 5 76.6 5 303 5 6.09 5 300 5 U 5

U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 0.275 0.2 0.166 J 0.2 U 0.2 0.043 J 0.2U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 0.214 J 0.5 U 0.5 U 0.5 U 0.5

U 2 U 2 U 2 U 2 U 2 U 2 0.864 J 2 U 2 U 2 U 21.07 0.5 230 0.5 0.819 0.5 0.186 J 0.5 0.486 J 0.5 0.531 0.5 3.2 0.5 0.399 J 0.5 0.204 J 0.5 0.168 J 0.550.4 0.5 41.2 0.5 3.75 0.5 45.9 0.5 46.2 0.5 45.7 0.5 60.6 0.5 38.3 0.5 30.1 0.5 317 0.5

U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.50.065 J 0.2 0.201 0.2 0.074 J 0.2 U 0.2 U 0.2 0.048 J 0.2 0.194 J 0.2 0.068 J 0.2 0.195 J 0.2 U 0.2

U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5 U 5U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 0.5

21.2 2 69.8 2 2.95 2 9.81 2 11.1 2 11.5 2 64 2 3.52 2 20.6 2 4.63 20.018 J 0.05 0.025 J 0.05 0.011 J 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 0.012 J 0.05 U 0.052.238 J 5 308 5 131 5 U 5 75.4 5 74.3 5 292 5 5.91 5 291 5 U 50.047 J 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 0.2 0.294 0.2 0.127 J 0.2 U 0.2 U 0.20.122 J 0.5 U 0.5 U 0.5 U 0.5 0.141 J 0.5 U 0.5 0.211 J 0.5 U 0.5 U 0.5 0.1 J 0.5

J - Analyte detected below limit of quantitation and above limit of detection. U - Analyte was not detected above the limit of detectionLOQ - Limit of Quantitation X - Oven temperature was outside 180+/-2oC degree method criteria at 177oCNS - Not sampled * Laboratory pH analyzed outside of the method hold timeP- Sample not preserved properly ** Field pH is not certified in NELAC Scope of AccreditationQ - Qualifier *** Radiochemistry analyzed by HawkMtn Labs IncR - Replicate recovery outside accepted recovery limits

G:\Projects\2015\20153397 - Brunner Detection Monitoring Systems\Sec Files\Reports\GW_2017 Annual GWMCA Reports\Basin 6\Tables\Table 2_Basin 6 GW lab results table_App III 8 and 9

Page 26: INITIAL ANNUAL GROUNDWATER MONITORING AND FOR ASH … · Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced GeoServices) have prepared this Initial Annual Groundwater

TABLE 2GROUNDWATER SAMPLING RESULTS 2016-2017

Ash Basin 6, Brunner Island Steam Electric Station East Manchester Township York County, PA

AGC Project No.: 2015-3397

Sample LocationSample NameLab IDDate SampledMatrixRemarksEvent IDParameters UnitsAppendix III ParametersConventionalsChloride mg/LFluoride mg/LLab pH * S.U.Sulfate mg/LTotal Dissolved Solids mg/LMetals, Total Boron, Total µg/LCalcium, Total mg/LMetals, DissolvedBoron, Dissolved µg/LCalcium, Dissolved mg/LField ParameterspH field reading ** S.U.Appendix IV ParametersConventionalsFluoride mg/LRadiochemistry ***Radium-226 pCi/LRadium-228 pCi/LMetals, Total Antimony, total µg/LArsenic, total µg/LBarium, total µg/LBeryllium, total µg/LCadmium, total µg/LChromium, total µg/LCobalt, total µg/LLead, total µg/LLithium, total µg/LMercury, total µg/LMolybdenum, total µg/LSelenium, total µg/LThallium, total µg/LMetals, DissolvedAntimony, dissolved µg/LArsenic, dissolved µg/LBarium, dissolved µg/LBeryllium, dissolved µg/LCadmium, dissolved µg/LChromium, dissolved µg/LCobalt, dissolved µg/LLead, dissolved µg/LLithium, dissolved µg/LMercury, dissolved µg/LMolybdenum, dissolved µg/LSelenium, dissolved µg/LThallium, dissolved µg/L

Notes:mg/L - milligrams per literµg/L - micrograms per literS.U. - Standard UnitspCi/L - picocuries per liter DL - Detection LimitFD - Field Duplicate

MW-6-2 MW-6-3N MW-6-4 MW-6-6 PZ-6-5B MW-6-7 MW-6-7D MW-6-8 MW-8-2 MW-BG-1BR 6-2 BR 6-3N BR 6-4 BR 6-6 BR PZ65B BR 6-7 BR 6-7 D BR 6-8 BR 8-2 BR BG-1

2017005968 2017005969 2017005970 2017005971 2017005972 2017005973 2017005974 2017005975 2017006039 20170059779/13/2017 8:17 9/13/2017 14:26 9/12/2017 9:38 9/13/2017 10:35 9/12/2017 13:28 9/12/2017 14:30 9/12/2017 14:30 9/12/2017 11:46 9/11/2017 0:00 9/11/2017 10:19Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater

FD of BR 6-7 Basin 6 Round 9 Basin 6 Round 9 Basin 6 Round 9 Basin 6 Round 9 Basin 6 Round 9 Basin 6 Round 9 Basin 6 Round 9 Basin 6 Round 9 Basin 6 Round 9 Basin 6 Round 9

Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ Result Q LOQ

23.8 0.5 23.3 0.5 19.5 0.5 11.7 0.5 30 1 16.6 0.5 16.9 0.5 6.34 0.5 29.5 0.1 14.4 0.50.202 0.05 1.39 0.05 0.132 0.05 0.102 0.05 0.143 0.1 0.748 0.05 0.77 0.05 0.0489 J 0.05 0.932 0.01 0.0355 J, S 0.056.92 1.68 7.64 1.68 7.53 1.68 6.95 1.68 7.3 1.68 6.49 1.68 6.5 1.68 6.15 1.68 6.92 6.05 7.44 1.6844.2 3 105 3 130 3 104 3 312 6 73.4 3 74.6 3 21.6 3 137 0.6 21 3320 15 298 15 333 15 560 15 772 15 279 15 278 15 200 15 389 3 375 15

207 20 436 20 142 20 231 20 415 20 672 20 666 20 45.2 20 539 4 13.9 J 2051.6 0.2 65.8 0.2 67.9 0.2 139 0.2 140 0.2 62.5 0.2 61.8 0.2 31.8 0.2 80.9 0.04 111 0.2

202 20 443 20 135 20 220 20 386 20 677 20 666 20 43.9 20 514 4 12.6 J 2050.7 0.2 67 0.2 64.6 0.2 133 0.2 134 0.2 63.1 0.2 62.2 0.2 30.3 0.2 78.3 0.04 110 0.2

6.46 7.36 7.2 6.68 6.7 6.19 6.19 5.82 6.58 7.11

NS NS NS NS NS NS NS NS NS NS

NS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NS

NS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NS

NS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NSNS NS NS NS NS NS NS NS NS NS

J - Analyte detected below limit of quantitation and above limit of detection. U - Analyte was not detected above the limit of detectionLOQ - Limit of Quantitation X - Oven temperature was outside 180+/-2oC degree method criteria at 177oCNS - Not sampled * Laboratory pH analyzed outside of the method hold timeP- Sample not preserved properly ** Field pH is not certified in NELAC Scope of AccreditationQ - Qualifier *** Radiochemistry analyzed by HawkMtn Labs IncR - Replicate recovery outside accepted recovery limits

G:\Projects\2015\20153397 - Brunner Detection Monitoring Systems\Sec Files\Reports\GW_2017 Annual GWMCA Reports\Basin 6\Tables\Table 2_Basin 6 GW lab results table_App III 9 and 9

Page 27: INITIAL ANNUAL GROUNDWATER MONITORING AND FOR ASH … · Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced GeoServices) have prepared this Initial Annual Groundwater

 

 

FIGURES

Page 28: INITIAL ANNUAL GROUNDWATER MONITORING AND FOR ASH … · Advanced GeoServices Corp. and the V.F. Britton Group, LLC (Advanced GeoServices) have prepared this Initial Annual Groundwater

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DATE:
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1055 ANDREW DRIVE, SUITE A, WEST CHESTER PA, 19380 tel 610.840.9100 fax 610.840.9199 www.advancedgeoservices.com
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ASH BASIN 6
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Figure
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1
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SITE LOCATION MAP
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2015-3397
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AS SHOWN
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YORK COUNTY, PENNSYLVANIA
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BRUNNER ISLAND
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ASH BASIN 6
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FOR CCR
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5/19/16
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MONITORING WELL LOCATIONS
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DATE:
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PROJECT NUMBER:
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SCALE:
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1055 ANDREW DRIVE, SUITE A, WEST CHESTER PA, 19380 tel 610.840.9100 fax 610.840.9199 www.advancedgeoservices.com
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DRAWN BY:
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CHECKED BY:
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PROJECT MANAGER:
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ASH BASIN 6
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V.F.B.
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C.E.P.
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C.T.R.
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Figure
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3
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LOCAL GEOLOGY
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CROSS SECTION
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5/19/16
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2015-3397
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NTS
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YORK COUNTY, PENNSYLVANIA
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BRUNNER ISLAND
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SCHEMATIC CONCEPTUAL
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DATE:
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PROJECT NUMBER:
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SCALE:
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1055 ANDREW DRIVE, SUITE A, WEST CHESTER PA, 19380 tel 610.840.9100 fax 610.840.9199 www.advancedgeoservices.com
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DRAWN BY:
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CHECKED BY:
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PROJECT MANAGER:
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ASH BASIN 6
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V.F.B.
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C.E.P.
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C.T.R.
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Figure
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4
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VERTICAL COMPONENT
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REGIONAL GROUNDWATER MOVEMENT
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5/19/16
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2015-3397
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NTS
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YORK COUNTY, PENNSYLVANIA
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BRUNNER ISLAND
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SCHEMATIC CROSS SECTION CONCEPTUAL
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DATE:
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PROJECT NUMBER:
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SCALE:
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1055 ANDREW DRIVE, SUITE A, WEST CHESTER PA, 19380 tel 610.840.9100 fax 610.840.9199 www.advancedgeoservices.com
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DRAWN BY:
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CHECKED BY:
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PROJECT MANAGER:
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ASH BASIN 6
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V.F.B.
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C.E.P.
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C.T.R.
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Figure
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5
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CONTOUR - ACTIVE DISCHARGE
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5/19/16
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2015-3397
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AS SHOWN
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YORK COUNTY, PENNSYLVANIA
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BRUNNER ISLAND
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EXISTING GROUNDWATER ELEVATION
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DATE:
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PROJECT NUMBER:
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SCALE:
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1055 ANDREW DRIVE, SUITE A, WEST CHESTER PA, 19380 tel 610.840.9100 fax 610.840.9199 www.advancedgeoservices.com
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DRAWN BY:
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CHECKED BY:
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PROJECT MANAGER:
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ASH BASIN 6
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V.F.B.
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C.E.P.
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C.T.R.
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Figure
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6
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TO BASIN 6
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CONTOUR - NO ACTIVE DISCHARGE
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5/19/16
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2015-3397
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AS SHOWN
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YORK COUNTY, PENNSYLVANIA
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BRUNNER ISLAND
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STATIC GROUNDWATER ELEVATION
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DATE:
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PROJECT NUMBER:
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SCALE:
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1055 ANDREW DRIVE, SUITE A, WEST CHESTER PA, 19380 tel 610.840.9100 fax 610.840.9199 www.advancedgeoservices.com
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DRAWN BY:
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CHECKED BY:
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PROJECT MANAGER:
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ASH BASIN 6
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V.F.B.
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C.E.P.
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C.T.R.
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Figure
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7
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MW-6-3 AREA
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5/19/16
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2015-3397
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AS SHOWN
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YORK COUNTY, PENNSYLVANIA
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BRUNNER ISLAND
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Image created by V.F. Britton Group, LLC
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DATE:
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PROJECT NUMBER:
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SCALE:
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1055 ANDREW DRIVE, SUITE A, WEST CHESTER PA, 19380 tel 610.840.9100 fax 610.840.9199 www.advancedgeoservices.com
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DRAWN BY:
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CHECKED BY:
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PROJECT MANAGER:
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ASH BASIN 6
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V.F.B.
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C.E.P.
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C.T.R.
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Figure
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8
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MW-6-3 AREA
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5/19/16
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2015-3397
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AS SHOWN
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YORK COUNTY, PENNSYLVANIA
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BRUNNER ISLAND
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HYDROGEOLOGIC CROSS SECTION
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Image created by V.F. Britton Group, LLC
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MW-6-3
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MW-6-3N
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MW-6-3N

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