cbs corporation - semspub.epa.gov · ~cbs 20 stanwix street, 10th floor pittsburgh, pennsylvania...

50
20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice President, Environmental Projects 412.642.2562 Telephone 412.642.3014 Fax [email protected] Groundwater Investigation Plan for Operable Unit 2 Bennett's Dump, Bloomington, Monroe County, Indiana 1.0 BACKGROUND This report summarizes the results of groundwater, surface water, flow and water level monitoring work completed by CBS Corporation during the fourth quarter of2014 at the Bennett's Dump site. The work was performed for the purpose of assessing the feasibility of capturing PCB-contaminated shallow groundwater and to support the engineering design of an effective capture and treat system. Monitoring activities in accordance with the December 2009 Final Bennett's Dump Groundwater Investigation Plan for Operable Unit 2 (GWIP) were performed at surface water and groundwater locations including test pits, quarries, piezometers, monitoring wells, springs and streams as summarized in Table 1. The Bennett's Dump Groundwater Investigation Plan comprises different monitoring schemes for the periods before and after construction of the Passive Quarry Drain. Pre-quarry drain construction monitoring activities Were performed until completion of the quarry drain at the beginning of September 2010. The post-quarry drain monitoring program includes all of the locations and monitoring requirements formerly prescribed by the Long Term Groundwater Monitoring Plan (LTGMP). Therefore, quarterly reporting under the GWIP will replace LTGMP reporting, pending the development and approval of a final LTGMP. 2.0 SURFACE WATER MONITORING The three month period October-December, 2014 constituted the fourth reporting quarter of2014 for the Bennett's Dump site. The monitoring work described in this report was performed December 11, 2014.

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Page 1: CBS CORPORATION - semspub.epa.gov · ~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice

~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222

November 23, 2015

To: DISTRIBUTION

Re: Fourth Quarter 2014

Dorothy M. Alke Vice President, Environmental Projects

412.642.2562 Telephone 412.642.3014 Fax

[email protected]

Groundwater Investigation Plan for Operable Unit 2 Bennett's Dump, Bloomington, Monroe County, Indiana

1.0 BACKGROUND

This report summarizes the results of groundwater, surface water, flow and water level monitoring work completed by CBS Corporation during the fourth quarter of2014 at the Bennett's Dump site. The work was performed for the purpose of assessing the feasibility of capturing PCB-contaminated shallow groundwater and to support the engineering design of an effective capture and treat system.

Monitoring activities in accordance with the December 2009 Final Bennett's Dump Groundwater Investigation Plan for Operable Unit 2 (GWIP) were performed at surface water and groundwater locations including test pits, quarries, piezometers, monitoring wells, springs and streams as summarized in Table 1.

The Bennett's Dump Groundwater Investigation Plan comprises different monitoring schemes for the periods before and after construction of the Passive Quarry Drain. Pre-quarry drain construction monitoring activities Were performed until completion of the quarry drain at the beginning of September 2010. The post-quarry drain monitoring program includes all of the locations and monitoring requirements formerly prescribed by the Long Term Groundwater Monitoring Plan (LTGMP). Therefore, quarterly reporting under the GWIP will replace L TGMP reporting, pending the development and approval of a final L TGMP.

2.0 SURFACE WATER MONITORING

The three month period October-December, 2014 constituted the fourth reporting quarter of2014 for the Bennett's Dump site. The monitoring work described in this report was performed December 11, 2014.

Page 2: CBS CORPORATION - semspub.epa.gov · ~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice

November 23, 2015 Page2

Scope of Work

The scope of water sampling for October-December 2014 comprised collecting samples at Stout's Creek Upstream and Downstream stations, Middle Spring, Rusty Spring and Icebox Quarry. Mound Spring, North Spring and Mid-North Spring were not flowing during the fourth quarter sampling event.

Sample Collection and Handling

Samples at the spring and stream locations were collected by carefully filling a new disposable beaker. The water was transferred from the beaker into pre-cleaned amber glass I-liter bottles supplied by the analytical laboratory. Routine sampling parameters including temperature and conductivity were measured and recorded.

Samples were analyzed by Pace Analytical Lab of Indianapolis, Indiana. The samples were analyzed to a detection limit of 0.1 parts per billion (ppb) for all PCB parameters by EPA SW-846 method 8082. Stout's Creek samples are analyzed to a detection limit of 0.01 ppb. Samples were also analyzed for total suspended solids (TSS) by method SM2540 D.

Quality Assurance

For quality assurance purposes a duplicate sample and a field blank were collected during each sampling event. All environmental and blank samples were labeled and logged onto a chain of custody form. The samples were stored and transported on ice in insulated coolers. Custody of the water samples was maintained by CBS until shipment to the analytical laboratory.

The field blank sample for the 2014 fourth quarter sampling event was BD 11031. No PCBs were detected in this sample.

Analytical Results for Surface Water Samples

Field parameter measurements, PCB analytical results, and QA/QC results for surface water samples collected during this reporting period are reported in Tables 2 through 9. Each table summarizes historical groundwater monitoring data collected since the completion of Passive Quarry Drain in September 2010.

Copies of the chain of custody forms are provided in Appendix A. Copies of the certificates of analysis are provided in Appendix B. A validation summary for these samples appears in Appendix C. Copies of the field sampling data sheets are on file at PSARA's Bloomington Branch Office.

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November 23, 2015 Page 3

3.0 FLOW AND WATER LEVEL MONITORING

The purpose of flow and water level monitoring is to evaluate site-specific data characterizing site hydrologic response under storm and non-storm conditions, and to evaluate correlations between PCB concentrations, spring flow and groundwater elevations. The goals are to assess the feasibility and support the engineering design of a system to capture and treat Middle Spring flows and nearby shallow groundwater.

Scope of Work

The scope of groundwater level and flow monitoring during this reporting period involved numerous manual measurements and observations, as well as the use of dedicated instrumentation to record water level and other parameters as summarized in Table 10. Since the completion of the Passive Quarry Drain, Mound Spring flow occurs only during wet periods and after large rainfall events. When persistent flow is observed at Mound Spring, an instrument is installed at the weir pool.

The approximate locations of the stations are shown on Figure 1.

Flow and Water Level Plots

Middle Spring flowed intermittently during the fourth quarter. Mound Spring was not observed to flow during the fourth quarter. Manual observations made at Mound Spring were added to the plots of Middle Spring flow.

Flow observations at on-site springs also are presented in Table 11. An Excel spreadsheet file, including water level and flow observation data, accompanies this report as an attached file: BD GWIP Water Level Observations with plots - Q4 2014.xlsx.

Quality Assurance

An instrument maintenance log for the Bennett's Dump installations is provided in Appendix D. This log details the installation, re-indexing, and maintenance histories of the data logging equipment present at Bennett's Dump during the reporting quarter.

Crest Gauges

The purpose of the crest gauges at Middle Spring and Mound Spring is to provide an indication of maximum flow during each reporting period. Maximum recorded water levels and flows estimated from these data are presented in the instrument maintenance log in Appendix D.

Page 4: CBS CORPORATION - semspub.epa.gov · ~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice

November 23, 2015 Page4

Potentiometric Data

Potentiometric contours shown on Figure 1 were developed based on water level measurements taken on December 11, 2014. The specific water level measurement locations are listed in the table insert on Figure 1.

If you have questions regarding the sampling and flow/water level monitoring activities or findings for this reporting period, please call Neill Vaughan at (812) 335-0424.

Attachments

Page 5: CBS CORPORATION - semspub.epa.gov · ~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice

DISTRIBUTION Tom Alcamo, USEP A Region 5 Douglas Petroff, IDEM Simeon Baker, MCHD

cc: John Langley, CBU Jeff Lifka, Tetra Tech John Bassett, AECOM Russ Cepko, CBS Mike Hessling, PSARA Patrick Kneip, PSARA Neill Vaughan, PSARA BP Files

Page 6: CBS CORPORATION - semspub.epa.gov · ~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice

List of Tables

1. Groundwater Investigation Plan Monitoring Requirements and Recommended Interim Plan Requirements

2. Post-Quarry Drain PCB Results, Icebox Quarry Water Samples 3. Post-Quarry Drain PCB Results, Stout's Creek Upstream 4. Post-Quarry Drain PCB Results, Stout's Creek Downstream 5. Post-Quarry Drain PCB Results, Mound Spring 6. Post-Quarry Drain PCB Results, Rusty Spring 7. Post-Quarry Drain PCB Results, Middle Spring

8. Post-Quarry Drain PCB Results, Mid-North Spring 9. Post-Quarry Drain PCB Results, North Spring 10. Flow and Water Level Monitoring, GWIP Stations 11. Flow Observations, On-Site Springs 12. Instrument Maintenance Log (Appendix D)

List of Figures and Plots

Figure 1 - Site Map with Monitoring and Sampling Locations, Potentiometric Surface Contours

Continuous Monitoring Plots Middle Spring Continuous .Flow and Mound Spring Flow Observations, October 2014 Middle Spring Continuous Flow and Mound Spring Flow Observations, November 2014 Middle Spring Continuous Flow and Mound Spring Flow Observations, December 2014

Manual Monitoring Plots Bennett's Dump Quarries and Pits, Observed Water Levels Bennett's Dump Monitoring Wells, Observed Water Levels Bennett's Dump Piezometers, Observed Water Levels

Page 7: CBS CORPORATION - semspub.epa.gov · ~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice

TABLES

Page 8: CBS CORPORATION - semspub.epa.gov · ~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice

<lfotln~

Middle Spring

Mound Spring

Middle Spring

Mound Spring

Rusty Spring

Stout's Creek Downstream

Stout's Creek Upstream

North Spring

Mid-North Spring

Wedge Quarry

Wedge South Quarry

Test Pit A

Test Pits 1,2,3,and 4

Downstream Quarry Drain Outlet

Wedge Quarry

Icebox Quarry

Wedge Quarry

Wedge South Quarry

Icebox Quarry

Test Pit A

TestPit4

PZ-H7

PZ-K9SW

PZ-Ill

PZ-LM5

PZ-L5

MW-BC-JO

MW-Bl3

MW-C5

MW-C4A

MW-C3A

MW-I

MW-3

MW-61

MW-6D

Table 1. Groundwater Investigation Plan Monitoring Requirements

and Recommended Interim Plan Requirements

Bennett's Dump, Bloomington, Monroe County, Indiana

Frenuencv1

Water Level or Flow Measurement Samnle

2

2 weeks prior to drain construction Hourly logging of flow

12 months after drain construction at V-notch weir

Monthly after drain construction

or episodic so 12 samples collected V-notch or visual flow estimate PCBs and TSS

Every 2 weeks after drain construction Flow by velocity probe PCBs and TSS

Monthly after drain construction Flow by velocity probe PCBs and TSS

Pre-drain construction - every rain event Visual flow estimate PCBs and TSS

Post-Drain construction - 5 rain events

Post-drain construction - 5 rain events V-notch or visual flow estimate PCBs and TSS

Once pre-drain construction.

After drain construction, if PCBs found Waterlevel PCBs and TSS

in downstream drain outlet then

individual components monthly

Monthly after drain construction PCBs and TSS

Weir, velocity probe or visual flow Every 2 weeks after drnin construction estimation, depending upon

conditions

After one storm> l" Hourly water level

Quarterly after drain construction Water level PCBs and TSS

Every 2 weeks before drain construction, Water level

Monthly after drain construction

Every 2 weeks before drain construction, Water level

Monthly after drain construction

1 Frequency of monitoring and sampling is quarterly, unless amended by approved Scopes of Work for other GWIP activities. 2 At time of PCB sample collection, also measure field parameters of conductivity and temperature. 3 Previous Interim recommendations anticipated the March 2012 pumping test and a follow-up pumping test, performed in March-April 2013.

Note: All monitoring requirements subject to change when a final revised LTGMP is developed.

Interim Recommendations 3

Continue Hourly logging

of flow

Monthly samples until test

starts then follow test schedule

Continue this schedule until test starts, then follow test schedule,

Continue to Sample

Continue to Sample

Discontinue until LTGMON

Discontinue until LTGMON

. Continue on monthly schedule

Discontinue until LTGMON

Continue

Continue this schedule

but only with Icebox and PZ-H7

Continue this schedule until test

starts then follow test schedule

but with additional wells and

piezometers to be determined by

agreement and relevance to

each test.

Page 9: CBS CORPORATION - semspub.epa.gov · ~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice

Sampling

Sample ID Date

BD11030 11-Dec-14

BD11026 23-Sep-14

BDl 1021 18-Jun-14

BD10772 18-Mar-14

BD10759 27-Dec-13

BD10679 l 7-Seo-13

BD10625 13-Jun-13

BD10500 19-Mar-13

BD10439 19-Dec-12

BD10425 20-Sep-12

BD10406 14-Jun-12

BD10371 15-Mar-12

BD10337 19-Dec-11

BD10308 01-Sep-ll

BD10301 17-Aug-11

BD10302 17-Aug-ll

BD10300 30-Jul-11

BD10294 07-Jul-ll

BD10292 22-Jun-11

BD10283 31-May-l l

BD10236 02-Mar-11

BD10208 27-0ct-10

Table 2 . Post-Quarry Drain PCB Results

Icebox Quarry

Bennett's Dump, Bloomington, Indiana

PCBa, Data TSS, Conductivity,

ppb Validated? mg/L uS/cm

< 0.10 y 7 204

<0.10 y 1 203

<0.10 y <l 212

<0.10 y <1 215

0.11 y 3 213

<0.10 y 2 217

<0.10 y 1 218

<0.10 y 1 230

<0.10 y 2 250

< 0.10 y <1 241

<0.10 y 1 263

< 0.10 y < 1 NR

<0.10 y 1 264

<0.10 y <1 235

< 0.10 y 3 247

<0.10 y 1 247

< 0.10 y 9 231

<0.10 y <1 232

<0.10 y 1 235

< 0.10 y 6 239

<0.10 y <l 250

< 0.10 y <1 282 . . . .

•samples were analyzed to a detection hm1t of 0.1 parts per b1l110n (ppb ) .

Temperature, oc

6.0

21

26.4

6.3

4.2

23

25.1

5.4

7.1

21.9

20

NR

7.1

26.6

26.6

26.6

31.l

28

25.9

27.5

6.6

17.4

Page 10: CBS CORPORATION - semspub.epa.gov · ~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice

Sampling Sample ID Date

BDI1032 11-Dec-14

BD11024 23-Sep-14

BD11019 27-May-14

BDI0795 7-Apr-14

BD10769 18-Mar-14

BD10682 28-0ct-13

BD10668 19-Aug-13

BD10640 15-Aug-13

BD10628 29-Jul-13

BD10618 23-Apr-13

BD10458 4-Mar-13

BD10452 25-Feb-13

BD10447 23-Jan-13

BD10436 12-Dec-12

BD10432 16-Nov-12

BD10428 10-0ct-12

BD10423 12-Seo-12

BD10419 15-Aug-12

BD10414 12-Jul-12

BD10409 14-Jun-12

BD10401 16-May-12

BD10394 18-Apr-12

BD10387 02-Apr-12

BD10380 27-Mar-12

BD10374 19-Mar-12

BD10368 15-Mar-12

BD!0363 12-Mar-12

BD10355 05-Mar-12

BDI0349 20-Feb-12

BD10341 25-Jan-12

BD10331 12-Dec-11

BDI0321 I I-Nov-I I

BD10315 12-0ct-11

BD10316(duo) 12-0ct-l l

BD10315 12-0ct-l l

BD10316 (dup) 12-0ct-1 l

BD10312 15-Seo-l 1

BD10305 18-Aug-11

BD10306 (dup) 18-Aug-11

continued

Table 3 . Post-Quarry Drain PCB Results

Stout's Creek Upstream Bennett's Dump, Bloomington, Indiana

PCB•, Data TSS, Conductivity, ppb Validated? mg/L uS/cm

<0.01 y 8 520

< O.Ql y <1 517

<0.06 y 7 555

<0.01 y 8 597

< O.Ql y 8 672

<0.01 y 4 472

<0.01 y 3 479

<0.01 y 2 499

<0.01 y 2 539

< O.Ql y 1 634

<0.01 y 4 690

<0.01 y 4 719

<0.01 y I 651

<0.01 y 4 586

<0.01 y <I 573

<0.01 y 4 619

<0.01 y 2 597

< O.Ql y 3 493

<0.01 y <l 514

<0.01 y 1 504

< O.Ql y 2 544

< O.Ql y 2 607

< 0.01 y 3 596

<0.01 y 3 627

<0.01 y 6 607

<0.01 y 11 617

<0.01 y < 1 644

< O.Ql y <I 591

< 0.10 y 2 661

<0.01 y 2 640

<0.10 y 2 619

<0.10 y 3 610

<0.10 y I 542

<0.10 y I 542

<0.10 y l 542

<0.10 y I 542

< 0.10 y I 523

<0.10 y 3 529

< 0.10 y 11 529

Temperature, Flowb, oc gal/min

8.6 915

17.3 300

16.9 500

8.7 2000

6 600

14.8 157

19.8 125

19.8 133

19.2 465

11.5 1200

5.8 620

7.0 530

6.5 510

8.9 430

10.8 400

14.9 350

20.2 183

22.6 200

19.9 250

17.4 JOO

17.9 500

14.2 830

13.7 500

13.3 625

12.5 475

12.3 500

9.9 700

8.4 350

7.6 525

7.0 1450

9.3 720

12.9 380

16.6 140

16.6 140

16.6 140

16.6 140

16.7 70

23.8 JOO

23.8 JOO

Page 11: CBS CORPORATION - semspub.epa.gov · ~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice

Table 3 . Post-Quany Drain PCB Results Stoufs Creek Upstream

Bennett's Dump, Bloomington, Indiana

Sampling PCB", Data TSS, Conductivity, Temperature,

Sample ID Date ppb Validated? mg/L uS/cm

BD10296 29-Jul-l J <0.10 y 3 539

BD10285 22-Jun-l 1 < 0.10 y 5 568

BD10277 19-May-JJ < 0.10 y 4 584

BD10267 05-May-ll <0.10 y JO 520

BD10255 14-Aor-l l < 0.10 y 21 581

BD10245 18-Mar-11 < 0.10 y 17 661

BD10237 02-Mar-11 < 0.10 y 91 693

BD10227 26-Jan-l 1 < 0.10 y 4 785

BD10217 21-Dec-JO <0.10 R y 3 NR

BD10218 (duo) 21-Dec-10 <O.lOR y 4 NR

BD10213 22-Nov-10 < 0.10 y 5 627

BD10207 27-0ct-10 <0.10 y 4 655

BD10202 30-Sep-10 < 0.10 y 3 643

•samples were analyzed to a detection limit of0.01 parts per billion (ppb). Samples collected before 2012

were analyzed to a detection limit ofO.l parts per billion (ppb).

bFlow estimate calculated from a set of flow velocity measurements.

NR =Not reported.

R = Unusable; QNQC data indicated significant deficiencies in tbe analytical data.

aC

24.0

19.3

15.0

13.8

12.5

9.2

7.7

4.6

6.2

6.2

14.5

18.0

21.7

Flowb,

gal/min

106

630

565

2500

1200

800

1500

275

262

262

120

52

25

Page 12: CBS CORPORATION - semspub.epa.gov · ~CBS 20 STANWIX STREET, 10TH FLOOR PITTSBURGH, PENNSYLVANIA 15222 November 23, 2015 To: DISTRIBUTION Re: Fourth Quarter 2014 Dorothy M. Alke Vice

Sampling Sample ID Date

BD11027 11-Dec-14

BD11028b 11-Dec-14

BDI 1022 23-Seo-14

BD11023b 23-Sep-14

BDI 1010 27-May-14

BDllOllb 27-May-14

BDl0787 7-Apr-14

BD10788b 7-Apr-14

BDI0767 18-Mar-14

BD10768b 18-Mar-14

BDI0680 28-0ct-13

BD10681b 28-0ct-13

BDI0626 29-Jul-13

BDI0627b 29-Jul-13

BDI0616 23-Aor-13

BDI0617 23-Aor-13

BD!0609 22-Apr-13

BDI0456 4-Mar-13

BD10457b 4-Mar-13

BDI0450 25-Feb-13

BDI0451b 25-Feb-13

BDI0445 23-Jan-13

BDI0446b 23-Jan-13

BD10434 12-Dec-12

BDI0435b 12-Dec-12

BDI0430 16-Nov-12

BDI043lb 16-Nov-12

BDI0426 10-0ct-12

BDI0427b 10-0ct-12

BDI0421 12-Seo-12

BDI0422b 12-Sep-12

BDI0417 15-Aug-12

BDI0418b 15-Aug-12

BD10416 24-Jul-12

BDI0412 12-Jul-12

BDI0413b 12-Jul-12

BDI0411 27-Jun-12

BDI0407 14-Jun-12

BDI0408b 14-Jun-12

continued

Table 4. Post-Quarry Drain PCB Results

Stout's Creek Downstream

Bennett's Dump, Bloomington, Indiana

PCB", Data TSS, Conductivity, ppb Validated? mg/L uS/cm

0.19 y <5 503

0.18 y <5 503

0.12 y 1 510

0.10 y <1 510

0.13 J y 4 556

0.13 J y 4 556

0.10 y 6 575

0.093 y 6 575

0.092 y 1 654

0.086 y 1 654

0.085 y <I 472

0.075 y I 472

0.1 I y 3 538

0.11 y 3 538

0.067 y 2 610

0.092 y 2 610

0.14 y 4 619

0.062 y 2 685

0.073 y 3 685

0.067 y 2 709

0.082 y 2 709

0.073 J y I 645

<0.01 J y 2 645

0.03 y 2 570

0.03 y 2 570

0.047 y 1 569

0.046 y <I 569

0.032 y 2 614

0.027 y 2 614

0.040 y I 569

0.031 y I 569

0.097 y < 1 497

0.086 y 2 497

0.061 y 1 486

0.058 y I 509

0.051 y I 509

0.024 y <I 490

0.11 y 2 509

0.1 I y 3 509

Temperature, Flowe, oc gal/min

8.5 915

8.5 915

16.1 300

16.1 300

17.3 500

17.3 500

8.7 2000

8.7 2000

5.7 600

5.7 600

14.1 157

14.1 157

18.7 465

18.7 465

12.2 1200

12.2 1200

12.8 1475

5.4 620

5.4 620

7.8 530

7.8 530

6.2 510

6.2 510

8.2 430

8.2 430

9.7 400

9.7 400

14.6 350

14.6 0

'350

19.7 200

19.7 200

20 200

20 200

22.3 270

19.1 250

19.1 250

17.8 160

16.l 100

16.1 100

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Sampling Sample ID Date

BDI0405 30-Mav-12

BDI0399 16-Mav-12

BDI0400b 16-May-12

BDI0398 04-May-12

BDI0392 18-Apr-12

BDI0393b 18-Apr-12

BDI0385 02-Apr-12

BDI0386b 02-Apr-12

BDI0384 30-Mar-12

BDI0379 27-Mar-12

BDl0378 22-Mar-12

BDI0373 19-Mar-12

BDI0366 15-Mar-12

BDI0367b 15-Mar-12

BDI0362 12-Mar-12

BDl0361 09-Mar-12

BDI0354 05-Mar-12

BD10348 20-Feb-12

BDI0347 07-Feb-12

BDI0340 25-Jan-12

BDI0338 05-Jan-12

BDI0330 12-Dec-l 1

BDI0325 02-Dec-ll

BDI0320 II-Nov-II

BDI0319 25-0ct-1 I

BDI0314 12-0ct-11

BDI0319 25-0ct-l I

BDI0314 12-0ct-ll

BDI0313 30-Seo-1 l

BDI0309 15-Sep-l I

BDI0310b 15-Seo-11

BDI0307 01-Sep-l I

BDI0303 18-Aug-l I

BDI0295 29-Jul-1 I

BDI0293 07-Jul-l I

BDI0287 22-Jun-l I

BDI0284 03-Jun-l 1

BDI0279 19-May-l I

BDI0269 05-May-l I

continued

Table 4. Post-Quarry Drain PCB Results Stout's Creek Downstream

Bennett's Dump, Bloomington, Indiana

PCB•, Data TSS, Conductivity, ppb Validated? mg/L uS/cm

0.11 y I 522

0.081 y 2 547

0.094 y 2 547

0.033 y <I 581

0.046 y I 850

0.064 y I 608

O.o45 y <I 594

0.055 y <I 594

0.069 y <I 607

0.046 y <I 614

0.038 y 2 581

0.062 y I 597

0.032 y 2 623

0.030 y 2 623

O.Q38 y 2 642

0.042 y 3 657

0.089 y <I 589

0.11 y I 650

0.11 y 2 629

0.036 y 2 636

0.052 y <I 628

0.038 y 2 614

0.081 y 3 628

0.097 y <I 607

0.067 y <I 623

0.063 y <l 544

0.067 y <l 623

0.063 y <I 544

0.063 y 6 614

0.093 y 2 524

0.081 y 2 524

0.068 y I 523

0.031 y <I 526

0.13 y 2 532

0.097 y I 535

0.044 y 4 566

0.085 y 4 568

0.095 y 2 580

<O.IOR y 9 510

Temperature, Flow°, oc gal/min

18.4 200

18.5 500

18.5 500

15.3 1000

14.7 850

14.7 850

13.1 500

13.1 500

12.6 470

14.6 625

13.2 450

14.3 475

13.1 500

13.1 500

10.4 700

9.6 940

9.0 350

8.2 530

8.3 970

6.8 1550

8.5 660

9.5 840

10.7 1600

12.7 380

16.2 350

16.4 140

16.2 350

16.4 140

16.4 350

14.9 57

14.9 57

20.5 55

24.2 95

23.I 85

20.I 275

20.1 590

19.2 307

15.4 580

14.5 2600

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Table 4. Post-Quarry Drain PCB Results Stout's Creek Downstream

Bennett's Dump, Bloomington, Indiana

Sampling PCB", Data TSS, Conductivity, Temperature,

Sample ID Date ppb Validated? mg/L uS/cm

BD10270b 05-Mav-l l < 0.10 R y 10 510

BDI0252 14-Aor-l l 0.049 y 14 571

BD10253b 14-Aor-11 0.050 y 14 571

8010248 31-Mar-l l < 0.10 y 4 662

8Dl0248 31-Mar-l l <0.10 y 4 662

8010242 18-Mar-l l <0.10 y 13 656

8010243b 18-Mar-l l <0.10 y 12 656

8Dl0232 02-Mar-l l <O.IOR y 57 693

8010233b 02-Mar-l l 0.14 y 58 693

BD10229 09-Feb-l l <O.lOR y 3 924

8Dl0223 26-Jan-l l <0.10 R y 2 768

8010224b 26-Jan-l l <0.10 R y 2 768

8Dl0222 06-Jan-l l <O.lOR y 4 780

8010216 21-0ec-10 <O.lOR y 2 793

8010214 09-0ec-10 0.11 J y 5 677

8010210 22-Nov-10 0.31 K y s 621

8Dl02llb 22-Nov-10 0.26K y 4 621

8Dl0209 10-Nov-10 < 0.37 K y 2 601

8010204 27-0ct-10 < 0.55 K y 2 651

8Dl0205b 27-0ct-10 < 0.55 K y 2 651

8010203 13-0ct-10 0.16K y 7 625

8010199 30-Sep-IO 0.30 K y 6 641

8010200b 30-Sep-10 0.28 K y 7 641

8010198 14-Sep-10 0.55 K y 21 650

"Samples were analyzed to a detection limit of0.01 parts per billion (ppb). Samples collected before 2012

were analyzed to a detection limit ofO.l parts per billion (ppb).

bDuplicate sample.

cFlow estimate calculated from a set of flow velocity measurements.

J = Estimated value. The QA/QC data indicated an analytical bias.

K = Estimated value due to QA blank contamination

R = Unusable; QA/QC data indicated significant deficiencies in the analytical data.

oc

14.5

13.2

13.2

11.3

11.3

9.3

9.3

7.7

7.7

4.1

4.6

4.6

5.9

6.0

7.5

14.9

14.9

8.8

16.8

16.8

18.6

17.5

17.S

20.1

Flowe,

gal/min

2600

1215

1215

326

326

800

800

1500

1500

475

290

290

605

224

270

110

110

72

46

46

19

17

17

21

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Sampling Sample ID Date

NA 11-Dec-14

NA 23-Sep-14

BD10798 07-Aor-14

NA 18-Mar-14

BD10760 27-Dec-13

NA 29-Jul-13

BD10615 22-Anr-13

BD10602 19-Aor-13

NA 04-Mar-13

NA 25-Feb-13

BD10440 14-Jan-13

NA 12-Dec-12

NA 16-Nov-12

NA IO-Oct-12

NA 12-Sep-12

NA 15-Aug-12

NA 07-Jul-12

NA 15-Mar-12

NA 20-Feb-12

BD10343 25-Jan-12

NA 12-Dec-l l

NA 17-Nov-l l

NA 12-0ct-11

NA 15-Seo-l 1

NA 18-Aug-l l

NA 29-Jul-l l

NA 22-Jun-11

BDI0272 05-Mav-11

BD10263 25-Aor-11

BD10261 20-Aor-11

BD10257 14-Aor-11

BDI0250 12-Aor-l l

NA 18-Mar-l l

BDI0240 07-Mar-l l

NA 02-Mar-l l

NA 26-Jan-l l

NA 21-Dec-10

NA 22-Nov-!O

NA 27-0ct-IO

NA 30-Sep-10

Table 5 . Post-Quarry Drain PCB Results Mound Spring

Bennett's Dump, Bloomington, Indiana

PCB", Data TSS, Conductivity, ppb Validated? mg/L uS/cm

- - - -

- - - -

0.77 y <I 439

- - - -

0.51 y I 470

- - - -

0.57 y <I 521

0.43 y 3 717

- - - -

- - - -

0.66 y 1 496

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

0.35 y <I 630

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

0.72 y <1 471

0.99 y <I 457

0.82 y I 505

0.53 y <I 511

0.56 y 1 518

- - - -

0.58 y 2 520

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

'Samples were analyzed to a detection limit of 0.1 parts per billion (ppb ).

bFlow estimated using V-notch weir, unless otherwise noted.

°Flow estimated visually.

Temperature, Flowb, oc gal/min

- DRY

- DRY

7.8 4.4

- DRY

9.9 0.4

- DRY

14.7 I

8.7 3

- DRY

- DRY

8.6 6.8

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

6.5 0.25

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

12.7 13.4

10.9 29

9.9 18

16.2 0.4

9.8 12

- DRY

8.9 2c

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

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Sample ID Sampling Date

BD11033 11-Dec-14

NA 23-Sep-14

BD10799 07-Apr-14

BD10773 l 8-Mar-14

NA 28-0ct-13

NA 29-Jul-13

NA 22-Apr-13

BD10461 04-Mar-13

NA 25-Feb-13

NA 23-Jan-13

NA 12-Dec-12

NA 16-Nov-12

NA 10-0ct-12

NA 12-Sep-12

NA 15-Aug-12

NA 07-Jul-12

BD10359 05-Mar-12

BD10352 20-Feb-12

BD10346 25-Jan-12

BD10336 12-Dec-l l

BD10328 06-Dec-l l

NA 12-0ct-l l

NA 12-0ct-l l

NA 15-Seo-l l

NA 18-Aug-l l

NA 29-Jul-l l

BD10291 22-Jun-1 l

BD10274 05-May-l l

NA 14-Aor-l l

NA 18-Mar-l l

BD10241 07-Mar-l l

NA 02-Mar-l l

NA 26-Jan-l l

NA 21-Dec-10

NA 22-Nov-10

NA 27-0ct-10

NA 30-Sep-10

Table 6 . Post-Quarry Drain PCB Results Rusty Spring

Bennett's Dump, Bloomington, Indiana

PCB", Data TSS, Conductivity, ppb Validated? mg/L uS/cm

6.7 y 11 589

- - - -

2.8 y < 1 564

2.9 y 2 567

- - - -

- - - -

- - - -

4.2 y 160 692

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

4.5 y 6 672

3.3 y 10 672

3.8 y < 1 710

4.0 y 2 756

4.6 y 1 778

- - - -

- - - -

- - - -

- - - -

- - - -

6.2 y II 623

3.5 y I 538

- - - -

- - - -

3.5 y 2 628

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

•Samples were analyzed to a detection limit ofO.l parts per billion (ppb).

bF!ow estimated visually.

J =Estimated value. The QA/QC data indicated an analytical bias.

Temperature, Flowb, oc gal/min

10.8 1.25

- DRY

8.2 4

6.8 0.4

- DRY

- DRY

- DRY

9.5 0.1

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

8.6 0.5

8.6 0.3

9.1 1.5

12.0 1.5

11.4 2.5

- DRY

- DRY

- DRY

- DRY

- DRY

16.0 1.5

11.6 7

- DRY

- DRY

7.9 3

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

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Sample ID Sampling Date

BD11029 11-Dec-14

NA 23-Sep-14

BD11020 27-May-14

BD10797 7-Apr-14

BD10771 18-Mar-14

BDI0731 8-Nov-13

BD10629 29-Jul-13

BD10624 23-Apr-13

BDI0614 22-Apr-13

BD10460 4-Mar-13

BDI0454 25-Feb-13

BD10449 23-Jan-13

NA 12-Dec-12

NA 16-Nov-12

NA 10-0ct-12

NA 12-Sep-12

NA 15-Aug-12

NA 07-Jul-12

BD10382 27-Mar-12

BD10376 19-Mar-12

BD10370 15-Mar-12

BD10364 12-Mar-12

BD10360 06-Mar-12

BDI0356 05-Mar-12

BD10357 (dup) 05-Mar-12

BD10350 20-Feb-12

BDI0351 (dup) 20-Feb-12

BD10344 25-Jan-12

BDI0345 (dup) 25-Jan-12

BD10333 12-Dec-l l

BD10334 (dup) 12-Dec-11

BDI0327 06-Dec-11

NA 17-Nov-ll

NA 12-0ct-l l

NA 15-Seo-11

NA 18-Aug-l l

NA 29-Jul-1 I

BDI0288 22-Jun-l l

BD10289 (dup) 22-Jun-1 I

continued

Table 7. Post-Quarry Drain PCB Results Middle Spring

Bennett's Dump, Bloomington, Indiana

PCB•, Data TSS, Conductivity, ppb Validated? mg/L uS/cm

3.9 y <5 529

- - - -

3.7 y <I 448

4.1 y <I 422

4.3 y I 474

2.0 y <I 570

5.4 y <I 515

4.6 y <I 534

4.3 y I 533

4.6 y <I 585

4.6 y <I 560

5.8 y <I 595

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

3.0 y 5 563

3.5 y 2 573

3.8 y I 569

4.6 y l 564

3.6 y 2 576

4.2 y <I 579

4.2 y I 579

4.2 y <I 577

4.4 y <I 577

4.8 y <I 584

4.7 y <I 584

6.4 y ·<I 594

6.6 y <I 594

7.7 y < l 618

- - - -

- - - -

- - - -

- - - -

- - - -

4.8 y <I 515

4.6 y <I 515

Temperature, Flowb,

degC gal/min

11.1 6.4

- DRY

10.6 5.5

9.2 18

8.1 3.4

10.2 0.1

15.1 5

10.5 8.3

II 9

9.3 6.4

10.0 2.3

10.3 4

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

14.3 0.1

18.8 NR

16.3 0.3

13.4 16

10.2 0.1

10.6 1.9

10.6 1.9

10.1 4

IO.I 4

10.8 10.5

10.8 10.5

12.2 6

12.2 6

12.7 12

- DRY

- DRY

- DRY

- DRY

- DRY

15.3 4

15.3 4

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Sample ID Sampling Date

BDI0281 19-Mav-l l

BD10282 (duo) 19-Mav-ll

BD10273 05-Mav-l l

BDI0258 14-Apr-ll

BD10247 18-Mar-l l

BDI0235 02-Mar-l l

BDI0226 26-Jan-l l

BD10221 28-Dec-10

NA 21-Dec-10

NA 22-Nov-10

NA 27-0ct-10

NA 30-Sep-10

Table 7. Post-Quarry Drain PCB Results Middle Spring

Bennett's Dump, Bloomington, Indiana

PCB", Data TSS, Conductivity, ppb Validated? mg/L uS/cm

4.5 y < 1 470

4.8 y < 1 470

4.8 y 1 405

4.4 y <l 486

6.0 y <l 506

9.1 y < 1 542

9.2 y < 1 583

8.1 y <l NR

- - - -

- - - -

- - - -

- - - -a Samples were analyzed to a detection limit ofO.l parts per billion (ppb.

bF!ow estimated using V-notch weir, unless otherwise noted.

Temperature, Flowb,

degC gal/min

13.2 4

13.2 4

13.7 16

11.6 12

11.0 8.3

10.5 10.5

9.4 2.3

9.6 0.5

- DRY

- DRY

- DRY

- DRY

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Sample ID Sampling Date

NA 11-Dec-14

NA 23-Sep-14

NA 27-May-14

NA 7-Apr-14

NA 18-Mar-14

NA 28-0ct-13

NA 29-Jul-13

NA 23-Apr-13

NA 4-Mar-13

NA 25-Feb-13

NA 23-Jan-13

NA 12-Dec-12

NA 16-Nov-12

NA 10-0ct-12

NA 12-Seo-12

NA 15-Aug-12

NA 07-Jul-12

NA 15-Mar-12

NA 20-Feb-12

NA 25-Jan-12

NA 12-Dec-11

NA 17-Nov-l 1

NA 12-0ct-l l

NA 15-Seo-11

NA 18-Aug-1 l

NA 29-Jul-l I

NA 22-Jun-1 l

BDI0275 05-Mav-1 l

BDI0266 03-May-11

BDI0265 27-Apr-1 I

BDI0262 25-Apr-11

BD10259 20-Apr-l l

NA 18-Mar-l I

NA 02-Mar-11

NA 26-Jan-1 I

NA 21-Dec-10

NA 22-Nov-10

NA 27-0ct-10

NA 30-Sep-10

Table 8 . Post-Quarry Drain PCB Results Mid-North Spring

Bennett's Dump, Bloomington, Indiana

PCB•, Data TSS, Conductivity, ppb Validated? mg/L uS/cm

- - - -- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

0.45 y 8 273

0.41 y 1 297

0.25 y 2 277

0.38 y 4 284

0.21 y 3 341

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

a Samples were analyzed to a detection limit of0.1 parts per billion (ppb).

bFlow estimated using V-notch weir.

cFlow estimated visually.

Temperature, Flow, oc gal/min

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

15.4 0.1°

14.8 3.5b

14.9 2b

13.8 4.5b

10.9 0.2b

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

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Sample ID Sampling Date

NA 11-Dec-14

NA 23-Seo-14

8010974 15-Mav-14

8Dl0802 8-Apr-14

NA 18-Mar-14

NA 28-0ct-13

NA 29-Jul-13

8Dl0601 19-Aor-13

8Dl0493 18-Mar-13

8Dl0455 27-Feb-13

8Dl0441 14-Jan-13

NA 12-Dec-12

NA 16-Nov-12

NA 10-0ct-12

NA 12-Seo-12

NA 15-AuJ?;-12

NA 07-Jul-12

NA 15-Mar-12

NA 20-Feb-12

8Dl0339 19-Jan-12

NA 12-Dec-l l

8Dl0326 06-Dec-l 1

NA 17-Nov-ll

NA 12-0ct-11

NA 15-Seo-l l

NA 18-Aug-l l

NA 29-Jul-l l

NA 22-Jun-1 l

BD10276 05-Mav-ll

BD10264 25-Apr-l l

8D10260 20-Aor-l l

8D10251 12-Apr-11

8Dl0249 05-Apr-l l

NA 18-Mar-1 l

8Dl0239 07-Mar-ll

NA 02-Mar-l l

8Dl0231 28-Feb-l 1

8010230 22-Feb-l 1

NA 26-Jan-11

NA 21-Dec-10

NA 22-Nov-10

NA 27-0ct-10

NA 30-Sep-10

Table 9 . Post-Quarry Drain PCB Results

North Spring Bennett's Dump, Bloomington, Indiana

PCB', Data TSS, Conductivity, ppb Validated? mg/L uS/cm

- - - -

- - - -

6.3 y 13 493

5.0 y I 490

- - - -

- - - -

- - - -

4 y 8 507

6.5 y 13 522

6.1 y 8 559

4.9 y 2 595

- - - -

- - - -

- - - -

- - - -- - - -

- - - -

- - - -

- - - -

4.8 y 3 583

- - - -

5.5 y 8 614

- - - -

- - - -

- - - -

- - - -

- - - -

- - - -

4.0 y 7 442

5.2 y 4 431

5.7 y 7 422

5.6 y 5 447

4.9 y 13 458

- - - -

6.9 y 4 452

- - - -

6.0 y 7 482

6.1 y 2 475

- - - -

- - - -

- - - -

- - - -

- - - -

• Samples were analyzed to a detection limit of 0.1 parts per billion (ppb ).

hprow estimated visually.

Temperature, Flowb, oc gal/min

- DRY

- DRY

11.7 3

8.4 3

- DRY

- DRY

- DRY

9.8 6

7.7 3

7.8 3

,, 8.9 3

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

9.9 1

- DRY

11.8 3

- DRY

- DRY

- DRY

- DRY

- DRY

- DRY

11.3 2

11.0 8

10.5 8

IO.I 4

9.4 1.5

- DRY

8.6 5

- DRY

8.7 2

7.5 2

- DRY

- DRY

- DRY

- DRY

- DRY

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Table 10. Flow and Water Level Monitoring GWIP Stations

Bennett's Dump Bloomington, Monroe County, Indiana

Monitoring Station Parameter Instrumentation

Middle Spring Water level/ flow V-notch weir and Crest Gauge

Level logging transducer

Mid-North Spring Water level/ flow V-notch weir and Crest Gauge

Mound Spring Water level/ flow V-notch weir and Crest Gauge

Level logging transducer

North Spring Flow None

Stout's Creek Flow Flow velocity meter

Downstream

Stout's Creek Upstream Flow Flow velocity meter

Quarry Drain Outlet Flow Weir or Flow Velocity Meter

~

Icebox, Wedge & Water Level Staff gauge

Wedge South Quarries

Pit A (surrogate for Test Water Level Depth-to-water meter

Pits 1-4)

Monitor Wells & piezometers Water Level Depth-to-water meter

(see Table 1)

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Observation Date

12/11/2014

12/8/2014

11/24/2014

9/23/2014

9/3/2014

8/12/2014

7/1/2014

5/27/2014

5/15/2014

4/13/2014

4/11/2014

4/9/2014

4/7/2014

3/31/2014

3/18/2014

2/21/2014

1/30/2014

12/27/2013

12/23/2013

12/16/2013

11/8/2013

11/5/2013

10/28/2013

9/23/2013

9/3/2013

8/23/2013

8/15/2013

7/29/2013

6/28/2013

5/22/2013

4/2212013

4/15/2013 c

4/8/2013 c

3/26/2013 c

3/19/2013 c

3/18/2013 c

3/12/2013 c

3/4/2013

2/27/2013

continued

Table 11. Flow Observations On-Site Springs

Bennett's Dump, Bloomington, Indiana

Mound Middle Mid-North North

Spring a Spring a Spring a Spring b

0 6.4 0 0

0 9.4 0 0

0 4 0 0

0 0 0 0

0 4 0 0

0 0.8 0 0

0 0.3 0 0

0 5.5 0 0

0 9.4 0 3

2 8.8 0 0

4.5 13.I 0 I

25 18.4 0 2.5

11 17.6 0 0

0 3.4 0 0

0 3.4 0 0

0 10.5 0 0

0 3.4 0 0

0.4 10 0 0

31.7 18.4 0 3

0 0.8 0 0

0 0.1 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 5.5 0 0

0 5.5 0 0

0 4.8 0 0

5.6 9.4 0 0.1

0 1.5 0 0

0 0.3 0 0

0 1.9 0 0

0 3.7 0 1.5

0 4.0 0 3

0 0.8 0 0

0 6.4 0 0

0 7.3 0 3

Rusty

Spring b

1.25

2

1.5

0

0

NR

NR

0

0

I

2

3

4

0.5

0.4

NR

NR

0

NR

0

0

0

0

0

0

0

0

0

NR

NR

0

0

0

0

0

0

0

0.1

0

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Observation Date

2/25/2013

1/30/2013

1/23/2013

1/14/2013

1/11/2013

12/12/2012

11/16/2012

10/10/2012

9/28/2012

9/14/2012

9/7/2012 .

8/15/2012

7/24/2012

7/12/2012

7/10/2012

6/27/2012

6/14/2012

5/30/2012

5/17/2012

5/4/2012

4/18/2012

4/2/2012 c

3/27/2012 c

3/19/2012 c

3/15/2012 c

3/5/2012

2/29/2012

2/20/2012

2/10/2012

2/7/2012

1/25/2012

1/18/2012

1/12/2012

12/30/2011

12/19/2011

12/12/2011

12/5/2011

12/2/2011

11/30/2012

continued

Table 11. Flow Observations On-Site Springs

Bennett's Dump, Bloomington, Indiana

Mound Middle Mid-North North

Spring a Spring a Spring a Spring

0 2.3 0 0

0 7.3 0 0.5

0 4 0 0

7 13.I 0 3

0 7.3 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0.0 0 0

0 0.0 0 0

0 0.7 0 0

0 4.8 0 0

0 2.8 0 0

0 2.8 0 0

0 0.0 0 0

0 0.12 0 0

0 0.15 0 0

0 0.3 0 0

0 1.9 0 0

0 2.8 0 0

0 4.0 0 0

0 6.4 0 0

0 8.3' 0 0

0.3 10.5 0 0

0 9.4 0 5

0 4 0 0

0 6.4 0 0

0 6.4 0 0

0 6 0 0

0 11.8 0 3

0 5.5 0 0

0 10.5 0 1

Rusty b s . b pnng

0

NR .0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0.25

1.25

·1

0.5

0

0

0

0.05

0.5

0.5

0.3

I

I

1.5

1

0.1

0.25

NR 1.5

2.5

0.5

2.5

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Observation Date

11/23/2011

11117/2011

11/15/2011

11/14/2011

11/4/2011

10/22/2011

10/12/2011

10/4/2011

9/30/2011

9/30/2011

9/26/2011

9/15/2011

9/8/2011

9/1/2011

. 8/26/2011

8/18/2011

8/9/2011

8/5/2011

7/29/2011

7/15/2011

717/2011

7/1/2011

6/24/2011

6/22/2011

6/16/2011

6/14/2011

6/3/2011

5/28/2011

5/19/2011

5/6/2011

5/5/2011

4/25/2011

4/20/2011

4/14/2011

4/12/2011

4/5/2011

3/31/2011

3/25/2011

3/18/2011

continued

Table 11. Flow Observations On-Site Springs

Bennett's Dump, Bloomington, Indiana

Mound Middle Mid-North North Spring a Spring a Spring a s . b pnng

0 1.9 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 0 0 0

0 1.9 0 0

0 1.5 0 0

0 3.4 0 0

0 4 0 0

0 3.4 0 1

0 1.9 0 0

0 3.4 0 0

0 6 0 0

0 7.3 0 0

6.8 13.1 3.5 1

13.4 16 3.5 2

28 18 4.5 8

32 16 0.2 NR

0.4 11.8 0 0

11.5 14.5 0 4

0 8.3 0 1.5

0 6.4 0 0

0 7.3 0 0

0 I 8.3 0 0

Rusty s . b pnng

1

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0.1

0.5

1.5

1

0

0

0

1.5

NR 7

0

NR 0

0

0

0

0

0

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Table 11. Flow Observations On-Site Springs

Bennett's Dump, Bloomington, Indiana

Observation Mound

Date Spring a

3/11/2011 2

317/2011 2

3/2/2011 0

2/28/2011 0

2/22/2011 0

2118/2011 0

2/9/2011 0

2/4/2011 0

1/26/2011 0

1/21/2011 0

1/4/2011 0

12/28/2010 0

12/23/2010 0

12/21/2010 0

12/9/2010 0

11/30/2010 0

11/22/2010 0

11/12/2010 0

10/27/2010 0

10/15/2010 0

9/30/2010 0

9/15/2010 0

"Flow estimated using V-notch weir.

bFlow estimated visually. 0 Pump test in progress.

NR - Not Recorded

Middle Mid-North North

Spring a Spring a Spring

NR 0 0

12 0 5

10.5 0 0

14.5 0 2

12 0 2

1.9 0 0

NR 0 0

NR 0 0

2.3 0 0

3.4 0 0

3.4 0 0

0.5 0 0

0.4 0 0

0 0 0

0 0 0

0 0 0

0 0 0

0 0 0

0 0 0

0 0 0

0 0 0

0 0 0

Rusty b Spring b

0

3

0

0

0

0

NR

NR

0

0

0

NR

NR

0

NR

0

0

NR

0

NR

0

NR

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FIGURES

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Mile Quarry Complex

Intermittent Overflow \ Discharge from Quarter

Quarry Drain .

Monitoring well

Survey Control Point

Piezometer Location

/\ Stream Gauging and L.::. Sampling Point

) Outfall

@ Staff Gauge

d Springs

@ Test Pit

-730 -

Monitor Yell, Plaomel4r ~rlnp - Quarry Yater

Station

lllf-1 lllf-3 lllf-5 lllf-lli PZ-B7 lllf-BC10 lllf-C3A lllf-c.A lllf-C5 Icebox Quarry 11'edce Quarry Middle Sprin& Mound Sprin& Mid-North Sprinc North Sprin& SCD staff PZ-1.5 PZ-LM5 PZ-F3 PZ-H PZ-M

Potentiometric Surface Contour on December 11, 2014

0-ber 11, 2014.

Waler Yater Level Station Level

El.,.,..tion El.,.,..tion 733.73 PZ-E5 734.04 721.11 PZ-111 736.29 724.90 lllf-K9Slr 739.52 727.14 lllf-813 723.117 733.96 TPZ-2 727.86 730.94 TPZ-11 724.29 731.43 Infiltration Gallery 723.57 731.45 TP 11 736.52 731.00 Pit A 740.55 736.07 GP-3 730.03 736.50 GP-11 730.911 Flo'lrin& GP-17 723.74 Dry PZ-GP16 721.91 Dry PZ-GP25 722.56 Dry PZ-GP31 722.60 721.93 PZ-867 726.79 736.92 PZ-BC1011 731.49 740.37 PZ-CDIHO 731.96 734.07 PZ-CD1112 731.97 733.99 PZ-CD67 729.01 734.15 PZ-CD69 731.59

@TP3

CBS Corporation

J'i&ure 1. Monilorin&: and Se.mplbi& Locations

Bennetts Dump Bloomin&lon, Indiana -8/4/15

Soak: 1:100

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CONTINUOUS MONITORING PLOTS

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-

Middle Spring Continuous Flow and Mound Spring Flow Observations

October 2014 35 -.---------------------------------------~ 6.0

• • • • • .. . • 30 -+-----------------------------------~-------'l

5.0

-. 25 -+--------------------------,-=-=~~"""""'=========================d...._--~ c -

4.0 ~

E 20-1--~~~~~~~~~~~~~~-t-~~~~~~~~~~~~~~~~~~~-,i c ·-ca c. CJ -3:

~

3.0 ~

0 15 +----------------~---------------------------'! ~ -u.

10 -1----------------1------F---Vl-----------------------j

~

E 2.0 j

u

1.0

0 -J....,A, ........ ~_....._ .......... --l-____ ...__ ........ __..._;--....._~----1--'----t---L-'--~--'-----t--+---'----L-'---+---'-----'----'------'------+ 0.0

1-0ct 6-0ct 11-0ct 16-0ct 21-0ct 26-0ct 31-0ct

-2014

-Middle Spring Flow .& Middle Sp obs. • Rain Events -Cumulative Rain

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-E Q. C> -;: 0 -LL

Middle Spring Continuous Flow and Mound Spring Flow Observations

November 2014 25 -.----------------------------------------~ 5.0

• ... 20 4.0

15 3.0

10 2.0

5 1.0

o t:::::::::=~::::~:::::::::::::=:=::;:~=*==~~=::'.'.'.:::'.:::=~~~!!lof-~:::::i::::L-e-.___+--_.____.___..__J_ o.o 1-Nov 6-Nov 11-Nov 16-Nov 21-Nov 26-Nov

2014

-Middle Spring Flow & Middle Sp obs.· • Rain Events CJ Mound Sp obs. -Cumulative Rain

""':"' c: ·---~ c: ca

e:::: CD > :;= ca -::::s E ::::s u

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-E c. C> ·-~ 0

LL

. .. 20

15

10

5

Middle Spring Continuous Flow and Mound Spring Flow Observations

December 2014

Erratic instrument data after 12/5-12/6 storm. Instrument pulled for testing 12/11 and re-installed on 12/16/2014

.. •

4.0

- 3.0

2.0

1.0

o _µ.._._~.___.___._~+--'----'--e--'---'---+-a-_..__._~.__.....__-+-~"'---'----'-~....._--+-____.'--_..__._~..__-+-__._~..___._---'-~+o.o

1-Dec 6-Dec 11-Dec 16-Dec 21-Dec 26-Dec 31-Dec

2014

-Middle Spring Flow ._ Middle Sp obs • Rain Events a Mound Sp obs. -Cumulative Rain

-. c: ·----~ . c: ·-ca ~

CJ)

.2:: -ca -~ E ::::s 0

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MANUAL MONITORING PLOTS

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Bennett's Dump Quarries & Pits, Observed Water Levels Post-Quarry Drain Data and 2014 4th Quarter Observations

744

742

Q4 hand measures

0 • 12/11/2014

740

I -~ 738 -c: 0 ·z; ns > aJ 736

LL.I

I I I I I I

I • I ! 1 T " • I

Max

J '" Qo.rt;1 ,

1 1 Median

734 1st Quartile

Min

732 Icebox Wedge Quarry Wedge South PIT-A Pit 6

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-~ -c 0 ·-.... ta > GJ -w

755

Bennett's Dump Monitoring Wells, Observed Water Levels Post-Quarry Drain Data and 2014 4th Quarter Observations

,.. f I

745-+----------

740 1--1-l

735

730 ~-725

720

715

~6 <.,, ..... <;:,

~ ~~ ~

~..... (.,,,,~ <)'~ ~ ~~ ~~

~ ~~ ~

~~ ~

~~ ~

~'o<:> ~

~~ ~

~ ~"

<§.~ <§.:-.-"" ~

<§.:-.-

Q4 hand measures

• 12/11/2014

r .. ~ I 3rd Quartile

•, Median

1st Quartile

M in

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Bennett's Dump Piezometers, Observed Water Levels Post-Quarry Drain Data and 2014 4th Quarter Observations

745

740 I I Q4 hand measures

~ ....

I I I • 12/11/2014

I I 735

-~ -c 0 r .. ·z; 730 C'O >

I C11 -w ~J '" Q"'"'''

725 ~ , Median

$ $ I I LJ 1st Quartile

1 I -'- Min

I 720

PZ-H7 PZ-111 PZ-L5 AB-89 867 GP12A BC-1011 PZ-2 PZ-4 PZ-5 PZ-8 PZ-9

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APPENDIX A

Chain-of-Custody Records

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a Analytical" 1. 11WW.p.oolalm.ll!lm

CHAIN·OF .. CUSTODY I Anaiytical Request Document The ChiiliH>f-Gue1Ddy Is a LEGAL DOCUMENT. All relevant fields must be completed accurately.

'· ·=,~~Il~l~n: .~~B.·. .

. Reqult&d P.roJBc! liiform~tioll: _ . _ . .. $eCtJonC·

. . 1nvo"1ce 1m0rinatton: · . J of. ·J.

SectlonD ·. RllqlllreciCllent 1niQimatlon

.SAMPLE UIO . . . (A-Z; 0-9 / ,-) .. . .

· . Sample IDs MUST BE UNIQUE

;;~h'i r<:~•:t-++++-+-+-+-+'' -+-+-+---ir--'--'lf---~---.-,.....,..-11 J#~

·-.·.;--:,:··· SAMPLE CONDniONS

. __ : .• : F--:.. s. v ~ ··_:::- f P<:;,,.,nk

' . •.

·. t...)

..........

ORIGINAL .. ·~~~~~~,': ·'' •i~.i:.=·} f' . •,;;;; '·• ""-'•'!'< ; > .'•''·'·: ;;; i ~ [ f ! [ h . . . _ SIGNf\TuREotiiAMfi~~- ~· , ~ :~~:;;: j;) /') ll'-f . r- J .§ G ! . . ~

"Im-Note: Byolgnlng thl8 tonn ~ ilfEI accepUngPa:e's NET ao c1ay poymonttenna end aglll&~ lltlat& cheJ.g;ia of 1.5% permonthtirl!n)' 1nw1ces·+d wl1hln 30 clays. . F-Au.-Q.02orev.07, 15-Ma'y-2007

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APPENDIXB

Certificates of Analysis

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Pace Analytical Services, Inc.

P?eAnalytica!' (-ACi www.pacelabs.com

(

Not NELAP Accredited

4860 Blazer Parkway

Dublin, OH 43017

(614)486-5421

Pace Analytical Services, Inc.

7726 Moller Road

Indianapolis, IN 46268

(317)228-3100

December 26, 2014

Mr. Russ Cepko CBS Corporation 20 Stanwix Street 10th Floor Pittsburgh, PA 15222

RE: Project: BENNETT'S DUMP Pace Project No.: 50109036

Dear Mr. Cepko: Enclosed are the analytical results for sample(s) received by the laboratory on December 13, 2014. The results relate only to the samples included in this report. Results reported herein conform to the most current TNI standards and the laboratory's Quality Assurance Manual, where applicable, unless otherwise noted in the body of the report.

If you have any questions concerning this report, please feel free to contact me.

Sincerely,

ca-~cfZ Chris Boyle [email protected] Project Manager

Enclosures

cc: Mr. Neill Vaughan, PSARA

REPORT OF LABORATORY ANALYSIS

This report shall not be reproduced, except in full,

without the written consent of Pace Analytical Services, Inc .. Page1of19

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Project: BENNETI'S DUMP

Pace Project No.: 50109036

Sample: 8011027

Parameters

8082 GCS PCB Water Low Level

PCB-1016(Aroclor1016) PCB-1221 (Aroclor 1221) PCB-1232(Aroclor1232) PCB-1242(Aroclor1242) PCB-1248(Aroclor1248) PCB-1254(Aroclor1254) PCB-1260 (Aroclor 1260) PCB-1262 (Aroclor 1262) Surrogates Decachlorobiphenyl (S)

25400 Total Suspended Solids

Total Suspended Solids

Date: 12/26/2014 04:44 PM

Pace Analytical Services, Inc.

Not NELAP Accredited

4860 Blazer Parkway

Dublin, OH 43017

(614)486-5421

Pace Analytical Services, Inc.

7726 Moller Road

Indianapolis, IN 46268

(317)228-3100

ANALYTICAL RESULTS

Lab ID: 50109036001 Collected: 12/11/1411:55 Received: 12/13/14 09:15 Matrix: Water

Results Units Report Limit OF Prepared Analyzed CAS No. Qua I

Analytical Method: EPA 8082 Preparation Method: EPA 3510

ND ug/L 0.010 12/17/14 15:00 12/18/14 15:59 12674-11-2 ND ug/L 0.010 12/17/14 15:00 12/18/14 15:59 11104-28-2

0.19 ug/L 0.010 12/17/14 15:00 12/18/14 15:59 11141-16-5 ND ug/L 0.010 12/17/14 15:00 12/18/14 15:59 53469-21-9 ND ug/L 0.010 12/17/14 15:00 12/18/14 15:59 12672-29-6 ND ug/L 0.010 12/17/14 15:00 12/18/14 15:59 11097-69-1 ND ug/L 0.010 12/17/14 15:00 12/18/14 15:59 11096-82-5

ND ug/L 0.010 12/17/14 15:00 12/18/14 15:59 37324-23-5

84 %. 12/17/14 15:00 12/18/14 15:59 2051-24-3

Analytical Method: SM 25400

ND mg/L 5.0 12/16/14 10:11

REPORT OF LABORATORY ANALYSIS

This report shall not be reproduced, except in full,

. without the written consent of Pace Analytical Services, Inc .. Page 5 of 19 .

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www.pacelabs.com

Project: BENNETI'S DUMP

Pace Project No.: 50109036

Sample: 8011028

Parameters

8082 GCS PCB Water Low Level

PCB-1016(Aroclor1016) PCB-1221 (Aroclor 1221) PCB-1232 (Aroclor 1232) PCB-1242 (Aroclor 1242) PCB-1248(Aroclor1248) PCB-1254 (Aroclor 1254) PCB-1260 (Aroclor 1260) PCB-1262 (Aroclor 1262) Surrogates Decachlorobiphenyl (S)

25400 Total Suspended Solids

Total Suspended Solids

Date: 12/26/2014 04:44 PM

Pace Analytical Services, Inc.

Not NELAP Accredited

4860 Blazer Parkway

Dublin, OH 43017

(614)486-5421

Pace Analytical Services, Inc.

7726 Moller Road

Indianapolis, IN 46268

(317)228-3100

ANALYTICAL RESULTS

Lab ID: 50109036002 Collected: 12/11/14 11:55 Received: 12/13/14 09:15 Matrix: Water

Results Units Report Limit DF Prepared

Analytical Method: EPA 8082 Preparation Method: EPA 3510

ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00

0.18 ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00

80 %. 12/17/14 15:00

Analytical Method: SM 2540D

ND mg/L 5.0

REPORT OF LABORATORY ANALYSIS

This report shall not be reproduced, except in full,

without the written consent of Pace Analytical Services, Inc ..

Analyzed CAS No.

12/18/14 16:17 12674-11-2 12/18/14 16:17 11104-28-2 12/18/14 16:17 11141-16-5 12/18/14 16:17 53469-21-9 12/18/14 16:17 12672-29-6 12/18/14 16:17 11097-69-1 12/18/14 16:17 11096-82-5 12/18/14 16:17 37324-23-5

12/18/14 16:17 2051-24-3

12/16/14 10:11

Qual

Page 6 of 19

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aeAnalytica.!' / www.pacelabs.com

{

Project: BENNETI'S DUMP

Pace Project No.: 50109036

Sample: 8011029

Parameters

8082 GCS PCB

PCB-1016 (Aroclor·1016) PCB-1221 (Aroclor 1221) PCB-1232 (Aroclor 1232) PCB-1242 (Aroclor 1242) PCB-1248 (Aroclor 1248) PCB-1254 (Aroclor 1254) PCB-1260 (Aroclor 1260) Surrogates Decachlorobiphenyl (S)

25400 Total Suspended Solids

Total Suspended Solids

Date: 12/26/2014 04:44 PM

Pace Analytical Services, Inc. Not NELAP Accredited

4860 Blazer Parkway

Dublin, OH 43017

(614)486-5421

Pace Analytical Services, Inc.

7726 Moller Road

Indianapolis, IN 46268

(317)228-3100

ANALYTICAL RESULTS

Lab ID: 50109036003 Collected: 12/11/1412:10 Received: 12/13/14 09:15 Matrix: Water

Results Units Report Limit OF Prepared

Analytical Method: EPA 8082 Preparation Method: EPA 351 O

ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57 3.9 ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57

76 %. 29-154 12/15/14 14:57

Analytical Method: SM 25400

ND mg/L 5.0

REPORT OF LABORATORY ANALYSIS

This report shall not be reproduced, except in full,

without the written consent of Pace Analytical Services, Inc ..

Analyzed CAS No.

12/16/14 11:39 12674-11-2 12/16/14 11 :39 11104-28-2 12/16/1411:39 11141-16-5 12/16/14 11 :39 53469-21-9 12/16/14 11 :39 12672-29-6 12/16/14 11 :39 11097-69-1 12/16/14 11:39 11096-82-5

12/16/14 11:39 2051-24-3

12/16/14 10:11

Qua I

Page 7of19

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~An. alytic. al~ (~~i:J.{il www.pacela~.com i

Project: BENNETT'S DUMP

Pace Project No.: 50109036

Sample: 8011030

Parameters

8082 GCS PCB

PCB-1016(Aroclor1016} PCB-1221 (Aroclor 1221} PCB-1232 (Aroclor 1232) PCB-1242 (Aroclor 1242} PCB-1248(Aroclor1248} PCB-1254(Aroclor1254} PCB-1260(Aroclor1260} Surrogates Decachlorobiphenyl (S)

25400 Total Suspended Solids

Total Suspended Solids

Date: 12/26/2014 04:44 PM

Pace Analytical Services, Inc.

Not NELAP Accredited

4860 Blazer Parkway

Dublin, OH 43017

(614)486-5421

Pace Analytlcal Services, Inc.

7726 Moller Road

Indianapolis, IN 46268

(317)228-3100

ANALYTICAL RESULTS

Lab ID: 50109036004 Collected: 12/11/14 12:03 Received: 12/13/14 09:15 Matrix: Water

Results Units Report Limit DF Prepared

Analytical Method: EPA 8082 Preparation Method: EPA 351 O

ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/1414:57 ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57

ND ug/L 0.10 12/15/14 14:57

66 %. 29-154 12/15/14 14:57

Analytical Method: SM 2540D

7 mg/L 5.0

REPORT OF LABORATORY ANALYSIS

This report shall not be reproduced, except in full,

without the written consent of Pace Analytical Services, Inc ..

Analyzed CASNo. ·

12/16/14 11:57 12674-11-2 12/16/14 11:57 11104-28-2 12/16/14 11:57 11141-16-5 12/16/14 11 :57 53469-21-9 12/16/14 11 :57 12672-29-6 12/16/14 11:57 11097-69-1 12/16/14 11 :57 11096-82-5

12/16/14 11 :57 2051-24-3

12/16/14 10:11

Qual

Page 8 of 19

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Project: BENNETT'S DUMP

Pace Project No.: 50109036

Sample: 8011031

Parameters

8082 GCS PCB

PCB-1016(Aroclor1016) PCB-1221 (Aroclor 1221) PCB-1232 (Aroclor 1232) PCB-1242(Aroclor1242) PCB-1248 (Aroclor 1248) PCB-1254 (Aroclor 1254) PCB-1260 (Aroclor 1260) Surrogates Decachlorobiphenyl (S)

25400 Total Suspended Solids

Total Suspended Solids

Date: 12/26/2014 04:44 PM

Pace Analytical Seivices, Inc. Not NELAP Accredited

4860 Blazer Parkway

Dublin, OH 43017

(614)486-5421

Pace Analytical Seivlces, Inc.

7726 Moller Road

Indianapolis, IN 46268

(317)228-3100

ANALYTICAL RESULTS

Lab ID: 50109036005 Collected: 12/11/1412:08 Received: 12/13/14 09:15 Matrix: Water

Results Units Report Limit OF Prepared

Analytical Method: EPA 8082 Preparation Method: EPA 3510

ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57

ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57

ND ug/L 0.10 12/15/14 14:57 ND ug/L 0.10 12/15/14 14:57

74 %. 29-154 12/15/14 14:57

Analytical Method: SM 25400

ND mg/l 5.0

REPORT OF LABORATORY ANALYSIS

This report shall not be reproduced, except in full,

without the written consent of Pace Analytical Services, Inc ..

Analyzed CAS No.

12/16/14 12:15 12674-11-2 12/16/14 12:15 11104-28-2 12/16/14 12:15 11141-16-5 12/16/14 12:15 53469-21-9 12/16/14 12:15 12672-29-6 12/16/14 12:15 11097-69-1 12/16/14 12: 15 11096-82-5

12/16/14 12:15 2051-24-3

12/16/14 10:11

Qua I

Page 9of19

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Project: BENNETI'S DUMP

Pace Project No.: 50109036

Sample: 8011032

Parameters

8082 GCS PCB Water Low Level

PCB-1016 (Aroclor 1016) PCB-1221 (Aroclor 1221) PCB-1232(Aroclor1232) PCB-1242 (Aroclor 1242) PCB-1248 (Aroclor 1248) PCB-1254 (Aroclor 1254) PCB-1260(Aroclor1260) PCB-1262(Aroclor1262) Surrogates Decachlorobiphenyl (S)

25400 Total Suspended Solids

Total Suspended Solids

Date: 12/26/2014 04:44 PM

Pace Analytical Services, Inc.

Not NELAP Accredited

4860 Blazer Parkway

Dublin, OH 43017

(614)486-5421

Pace Analytical Services, Inc.

7726 Moller Road

Indianapolis, IN 46268

(317)228-3100

ANALYTICAL RESULTS

Lab ID: 50109036006 Collected: 12/11/14 12:05 Received: 12/13/14 09:15 Matrix: Water

Results Units Report Limit DF Prepared

Analytical Method: EPA 8082 Preparation Method: EPA 3510

ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00 ND ug/L 0.010 12/17/14 15:00

95 %. 12/17/14 15:00

Analytical Method: SM 2540D

8 mg/L 5.0

REPORT OF LABORATORY ANALYSIS

This report shall not be reproduced, except in full,

without the written consent of Pace Analytical Services, Inc ..

Analyzed CAS No.

12/18/14 16:35 12674-11-2 12/18/1416:35 11104-28-2 12/18/14 16:35 11141-16-5 12/18/14 16:35 53469-21-9 12/18/14 16:35 12672-29-6 12/18/14 16:35 11097-69-1 12/18/14 16:35 11096-82-5 12/18/14 16:35 37324-23-5

12/18/14 16:35 2051-24-3

12/16/1410:11

Qua I

Page 10of19

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Project: BENNETT'S DUMP

Pace Project No.: 50109036

Sample: 8011033

Parameters

8082 GCS PCB

PCB-1016(Aroclor1016) PCB-1221 (Aroclor 1221) PCB-1232(Aroclor1232) PCB-1242(Aroclor1242) PCB-1248(Aroclor1248) PCB-1254(Aroclor1254) PCB-1260(Aroclor1260) Surrogates Decachlorobiphenyl (S)

25400 Total Suspended Solids

Total Suspended Solids

Date: 12/26/2014 04:44 PM

Pace Analytical Services, Inc. Not NELAP Accredited

4860 Blazer Parkway

Dublin, OH 43017

(614)486-5421

Pace Analytical Services, Inc.

7726 Moller Road

Indianapolis, IN 46268

(317)228-3100

ANALYTICAL RESULTS

Lab ID: 50109036007 Collected: 12/11/1412:30 Received: 12/13/14 09:15 Matrix: Water

Results Units Report Limit DF Prepared

Analytical Method: EPA 8082 Preparation Method: EPA 3510

ND ug/L 0.51 5 12/15/14 14:57 ND ug/L 0.51 5 12/15/14 14:57 6.7 ug/L 0.51 5 12/15/14 14:57 ND ug/L 0.51 5 12/15/14 14:57 ND ug/L 0.51 5 12/15/14 14:57 ND ug/L 0.51 5 12/15/14 14:57 ND ug/L 0.51 5 12/15/14 14:57

76 %. 29-154 5 12/15/14 14:57

Analytical Method: SM 2540D

11 mg/L 5.0

REPORT OF LABORATORY ANALYSIS

This report shall not be reproduced, except in full.

without the written consent of Pace Analytical Services, Inc ..

Analyzed CAS No.

12/16/14 23:04 12674-11-2 12/16/14 23:04 11104-28-2 12/16/14 23:04 11141-16-5 12/16/14 23:04 53469-21-9 12/16/14 23:04 12672-29-6 12/16/14 23:04 11097-69-1 12/16/14 23:04 11096-82-5

12/16/14 23:04 2051-24-3

12/16/14 10:11

Qua I

Page 11 of 19

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APPENDIXC

Data Validation

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Validation Results December 11, 2014

Bennett's Dump SDG #50109036

Groundwater Monitoring Samples

1. Validation of the following sample has been completed:

• BD11027 thru BD11033

2. Validation was performed per the requirements for level 4 data in the project QAPjP. This includes a check for; Holding Time, Calibration, Blank Contamination, Precision, Accuracy, and Accuracy of Nominal Reporting Limits against method requirements.

3. Based on this review no data qualifications are recommended.

4. The QAPjP requires an assessment of the overall data quality with respect to Precision, Accuracy, Representativeness, Completeness and Comparability (PARCC).

o Precision and accuracy: Precision and accuracy were accessed by reviewing the lab performance on lab spiked samples, lab spike duplicates and field duplicates. All requirements were met.

o Representativeness: The representativeness requirement involves an assessment of the field sampling and lab analytical techniques. The field sampling locations and techniques as well as lab procedures were in accordance with the approved sampling plan and QAPjP. Therefore the representativeness requirements were met.

o Completeness: The completeness goal for the project was for all project data to be 90% accepted. Completeness is calculated by dividing the total number of acceptable analyses by the total performed. An acceptable analysis is defined as one that conformed to QC protocols and is not rejected. All these analyses were accepted. The project completeness goal has been met to date.

o Comparability: All the samples taken, analyzed and validated by CBS were taken by CBS or it's contractors sampling crews using the same procedures as previous samples at this location. These samples were analyzed by Heritage Labs. Care should be taken when attempting to trend Heritage sample results with other labs using slightly different procedures. Overall these results should be directly comparable to other Heritage lab results from these locations.

Overall, the main objective of the sampling event was to determine if PCBs are present at a concentration of .1 ppb or more (0.01 ppb for Stout's Creek Downstream, SCD and Upstream, SCU). This data is of sufficient quality to satisfy this goal.

\\Sgty0002\groups\LEA\Environmental\Bloomington\SHAREDIR\BP validation\reports\validation report-BO Dec 1I,2014.docx 7/30/15

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APPENDIXD

Instrument Maintenance Log

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Bennett's Dump Instrument Maintenance Log Fourth Quarter 2014

Office Rain Gauge: Instrument Date Action

HOBO 10/1/2014 to Normal function.

#9928483 12/31/2014

Mound Sp.: Instrument

10/1/2014- Not instrumented. Manually observed due 12/31/2014 to infrequent and short-duration flow.

Crest gauge 10/17/2014 0.19 ft. /18 gpm 12/9/2014 0.10 ft. I 3.5 gpm

Middle Spring: Instrument

In-Situ LevelTROLL 10/1/2014 No re-index needed

#168310 10/17/2014 Re-indexed by 0.11 ft., cable adjustment 10/30/2014 Re-indexed by 0.02 ft. 11/12/2014 No re-index needed 11/26/2014 Re-indexed by 0.01 ft. 12/10/2014 Re-indexed by 0.05 ft. 12/11/2014 Pulled for testing/cleaning 12/16/2014 Re-installed #168310 12/29/2014 No re-index needed

Crest gauge

10/17/2014 0.23 ft. I 11.8 gpm 11/24/2014 0.18 ft. I 6.4 gpm 12/9/2014 0.26 ft. I lq gpm