Tuesday, January 17, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 600 Q1

Order No.: G1201037

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 1/3/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 17-Jan-12 g

Project: Keystone 600 Q1

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1201037

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 600 Q1

Client Sample ID: Outfall 101

Collection Date: 1/3/2012 7:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1201037

Lab ID: G1201037-001

DF

Geochemical Testing Date: 17-Jan-12

Received Date: 1/3/2012 6:29:22 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 1 1 mg/L 1 10 1/4/2012 7:13:31 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26700 20 mg/L 1 0 1/4/2012

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day 2 2 mg/L 1.5 0 1/4/2011 11:55:00 AM

Finish Date/Time 1/9/2011 11:50 0 mg/L 1.5 1/4/2011 11:55:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14300 1000 mg/L 200 0 1/10/2012 1:01:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/5/2012 2:57:00 AM

Selenium, dissolved 0.06 0.02 mg/L 1 0 1/5/2012 2:57:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0 1/4/2012 1:48:36 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 1/5/2012 2:11:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 1/5/2012 2:11:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 1/5/2012 2:11:00 AM

Boron 376 2.50 mg/L 50 0 1/5/2012 1:34:00 PM

Cadmium 0.002 0.002 mg/L 1 0 1/5/2012 2:11:00 AM

Chromium < 0.01 0.01 mg/L 1 0 1/5/2012 2:11:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 1/5/2012 2:11:00 AM

Iron < 0.05 0.05 mg/L 1 0 1/5/2012 2:11:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 1/5/2012 2:11:00 AM

Manganese 85.6 0.10 mg/L 10 0 1/5/2012 1:50:00 PM

Nickel 0.02 0.01 mg/L 1 0 1/5/2012 2:11:00 AM

Selenium 0.08 0.02 mg/L 1 3.4 1/5/2012 2:11:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 1/5/2012 2:11:00 AM

Zinc < 0.01 0.01 mg/L 1 0 1/5/2012 2:11:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/6/2011

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 5 5 mg/L 1 15 1/6/2012 7:33:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 600 Q1

Client Sample ID: FGD Influent

Collection Date: 1/3/2012 7:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1201037

Lab ID: G1201037-002

DF

Geochemical Testing Date: 17-Jan-12

Received Date: 1/3/2012 6:29:22 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 33400 200 mg/L 10 0 1/4/2012 7:44:00 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 31000 100 mg/L 20 0 1/4/2012 7:13:36 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day 33 6 mg/L 6 0 1/4/2011 11:55:00 AM

Finish Date/Time 1/9/2011 11:50 0 mg/L 6 1/4/2011 11:55:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15900 1000 mg/L 200 0 1/10/2012 1:01:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/5/2012 3:27:00 AM

Selenium, dissolved 0.68 0.02 mg/L 1 0 1/5/2012 3:27:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.54 0.10 mg/L 500 0 1/4/2012 2:01:49 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 527 1.0 mg/L 1 0 1/7/2012 3:11:00 PM

Arsenic 2.60 0.20 mg/L 1 0 1/7/2012 3:11:00 PM

Beryllium 0.071 0.010 mg/L 1 0 1/7/2012 3:11:00 PM

Boron 451 5.00 mg/L 10 0 1/9/2012 1:37:00 PM

Cadmium 0.037 0.020 mg/L 1 0 1/7/2012 3:11:00 PM

Chromium 3.27 0.10 mg/L 1 0 1/7/2012 3:11:00 PM

Copper 2.09 0.10 mg/L 1 0 1/7/2012 3:11:00 PM

Iron 3370 5.00 mg/L 10 0 1/9/2012 1:37:00 PM

Lead 1.10 0.20 mg/L 1 0 1/7/2012 3:11:00 PM

Manganese 591 1.00 mg/L 10 0 1/9/2012 1:37:00 PM

Nickel 6.47 0.10 mg/L 1 0 1/7/2012 3:11:00 PM

Selenium 4.00 0.20 mg/L 1 0 1/7/2012 3:11:00 PM

Silver 0.146 0.050 mg/L 1 0 1/7/2012 3:11:00 PM

Zinc 7.30 0.10 mg/L 1 0 1/7/2012 3:11:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 3.21 0.02 mg/L 1 0 1/12/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 19 19 mg/L 3.7 0 1/6/2012 7:33:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, January 25, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(b)

Order No.: G1201351

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 1/10/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 25-Jan-12 g

Project: Keystone 611 Q(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1201351

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 Q(b)

Client Sample ID: Outfall 101

Collection Date: 1/10/2012 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1201351

Lab ID: G1201351-001

DF

Geochemical Testing Date: 25-Jan-12

Received Date: 1/10/2012 7:03:41 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 1/11/2012 9:15:12 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25300 100 mg/L 5 0 1/11/2012 9:20:00 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 1/11/2012 11:30:00 AM

Finish Date/Time 1/16/2012 11:05 0 mg/L 1.5 0 1/11/2012 11:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14400 1000 mg/L 200 0 1/13/2012 11:56:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/12/2012 3:43:00 PM

Selenium, dissolved 0.07 0.02 mg/L 1 0 1/11/2012 8:33:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0 1/12/2012 11:17:42 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 1/11/2012 8:09:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 1/11/2012 8:09:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 1/11/2012 8:09:00 PM

Boron 326 2.50 mg/L 50 0 1/12/2012 2:29:00 PM

Cadmium 0.002 0.002 mg/L 1 0 1/11/2012 8:09:00 PM

Chromium < 0.01 0.01 mg/L 1 0 1/11/2012 8:09:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 1/11/2012 8:09:00 PM

Iron < 0.05 0.05 mg/L 1 0 1/12/2012 3:19:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 1/11/2012 8:09:00 PM

Manganese 75.6 0.20 mg/L 20 0 1/12/2012 2:33:00 PM

Nickel 0.02 0.01 mg/L 1 0 1/11/2012 8:09:00 PM

Selenium 0.09 0.02 mg/L 1 3.4 1/11/2012 8:09:00 PM

Silver < 0.005 0.005 mg/L 1 0 1/11/2012 8:09:00 PM

Zinc < 0.01 0.01 mg/L 1 0 1/11/2012 8:09:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/16/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 5 5 mg/L 1.01 15 1/13/2012 9:20:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 Q(b)

Client Sample ID: FGD Influent

Collection Date: 1/10/2012 10:00:00 AM

Matrix:

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1201351

Lab ID: G1201351-002

DF

Geochemical Testing Date: 25-Jan-12

Received Date: 1/10/2012 7:03:41 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 31200 200 mg/L 10 0 1/11/2012 9:21:00 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 23200 100 mg/L 20 0 1/11/2012 9:13:16 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 26 6 mg/L 6 0 1/11/2012 11:30:00 AM

Finish Date/Time 1/16/2012 11:05 0 mg/L 6 0 1/11/2012 11:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 16700 1000 mg/L 200 0 1/13/2012 11:56:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/12/2012 4:05:00 PM

Selenium, dissolved 0.14 0.02 mg/L 1 0 1/11/2012 8:45:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.49 0.10 mg/L 500 0 1/12/2012 11:19:54 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 511 1.0 mg/L 1 0 1/16/2012 10:52:00 AM

Arsenic 2.41 0.20 mg/L 1 0 1/16/2012 10:52:00 AM

Beryllium 0.066 0.010 mg/L 1 0 1/16/2012 10:52:00 AM

Boron 49.4 5.00 mg/L 10 0 1/16/2012 1:23:00 PM

Cadmium 0.066 0.020 mg/L 1 0 1/16/2012 10:52:00 AM

Chromium 3.18 0.10 mg/L 1 0 1/16/2012 10:52:00 AM

Copper 2.09 0.10 mg/L 1 0 1/16/2012 10:52:00 AM

Iron 316 5.00 mg/L 10 0 1/16/2012 1:23:00 PM

Lead 1.11 0.20 mg/L 1 0 1/16/2012 10:52:00 AM

Manganese 62.9 1.00 mg/L 10 0 1/16/2012 1:23:00 PM

Nickel 6.74 0.10 mg/L 1 0 1/16/2012 10:52:00 AM

Selenium 4.03 0.20 mg/L 1 0 1/16/2012 10:52:00 AM

Silver < 0.050 0.050 mg/L 1 0 1/16/2012 10:52:00 AM

Zinc 7.12 0.10 mg/L 1 0 1/16/2012 10:52:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 3.18 0.02 mg/L 1 0 1/16/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 10 10 mg/L 1.96 0 1/13/2012 9:20:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Thursday, January 26, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1201655

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 1/17/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 26-Jan-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1201655

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 1/17/2012 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1201655

Lab ID: G1201655-001

DF

Geochemical Testing Date: 26-Jan-12

Received Date: 1/17/2012 7:01:04 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 6 1 mg/L 1 10 1/18/2012 12:04:40 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 31000 100 mg/L 5 0 1/18/2012 12:04:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 1/18/2012 11:40:00 AM

Finish Date/Time 1/23/2012 12:20 0 mg/L 1.5 0 1/18/2012 11:40:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15400 1000 mg/L 200 0 1/23/2012 5:36:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/21/2012 12:07:00 AM

Selenium, dissolved 0.07 0.02 mg/L 1 0 1/21/2012 12:07:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 1/19/2012 10:08:33 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 1/20/2012 11:56:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 1/20/2012 11:56:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 1/20/2012 11:56:00 PM

Boron 398 2.50 mg/L 50 0 1/23/2012 2:51:00 PM

Cadmium 0.002 0.002 mg/L 1 0 1/20/2012 11:56:00 PM

Chromium < 0.01 0.01 mg/L 1 0 1/20/2012 11:56:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 1/20/2012 11:56:00 PM

Iron < 0.05 0.05 mg/L 1 0 1/20/2012 11:56:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 1/20/2012 11:56:00 PM

Manganese 97.2 0.10 mg/L 10 0 1/23/2012 3:25:00 PM

Nickel 0.02 0.01 mg/L 1 0 1/20/2012 11:56:00 PM

Selenium 0.07 0.02 mg/L 1 3.4 1/20/2012 11:56:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 1/20/2012 11:56:00 PM

Zinc < 0.01 0.01 mg/L 1 0 1/20/2012 11:56:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/25/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 9 9 mg/L 1.89 15 1/19/2012 6:53:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 1/17/2012 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1201655

Lab ID: G1201655-002

DF

Geochemical Testing Date: 26-Jan-12

Received Date: 1/17/2012 7:01:04 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 21800 100 mg/L 100 0 1/18/2012 12:04:41 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 33000 200 mg/L 10 0 1/18/2012 12:04:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 21 6 mg/L 6 0 1/18/2012 11:40:00 AM

Finish Date/Time 1/23/2012 12:20 0 mg/L 6 0 1/18/2012 11:40:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 19000 1250 mg/L 250 0 1/23/2012 5:36:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/21/2012 12:19:00 AM

Selenium, dissolved 0.63 0.02 mg/L 1 0 1/21/2012 12:19:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.66 0.10 mg/L 500 0 1/19/2012 10:10:45 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 511 1.0 mg/L 1 0 1/21/2012 12:53:00 PM

Arsenic 2.48 0.20 mg/L 1 0 1/21/2012 12:53:00 PM

Beryllium 0.063 0.010 mg/L 1 0 1/21/2012 12:53:00 PM

Boron < 5.00 5.00 mg/L 10 0 1/23/2012 3:33:00 PM

Cadmium 0.090 0.020 mg/L 1 0 1/21/2012 12:53:00 PM

Chromium 3.02 0.10 mg/L 1 0 1/21/2012 12:53:00 PM

Copper 2.13 0.10 mg/L 1 0 1/21/2012 12:53:00 PM

Iron < 5.00 5.00 mg/L 10 0 1/23/2012 3:33:00 PM

Lead 1.08 0.20 mg/L 1 0 1/21/2012 12:53:00 PM

Manganese < 1.00 1.00 mg/L 10 0 1/23/2012 3:33:00 PM

Nickel 6.95 0.10 mg/L 1 0 1/21/2012 12:53:00 PM

Selenium 4.24 0.20 mg/L 1 0 1/21/2012 12:53:00 PM

Silver < 0.050 0.050 mg/L 1 0 1/21/2012 12:53:00 PM

Zinc 6.90 0.10 mg/L 1 0 1/21/2012 12:53:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 3.02 0.02 mg/L 1 0 1/25/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 9 9 mg/L 1.89 15 1/19/2012 6:54:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, February 06, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1201964

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 1/24/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 06-Feb-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1201964

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 1/24/2012 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1201964

Lab ID: G1201964-001

DF

Geochemical Testing Date: 06-Feb-12

Received Date: 1/24/2012 6:49:35 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1 1 mg/L 1 10 1/25/2012 10:15:52 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 16100 100 mg/L 5 0 1/25/2012 10:16:05 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day < 3 3 mg/L 3 25 1/25/2012 11:23:00 AM

Finish Date/Time 1/30/2012 10:50 0 mg/L 3 0 1/25/2012 11:23:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 16100 1000 mg/L 200 0 1/25/2012 1:21:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/27/2012 7:23:00 PM

Selenium, dissolved 0.08 0.02 mg/L 1 0 1/27/2012 2:46:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 1/26/2012 9:24:18 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 1/27/2012 2:33:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 1/27/2012 2:33:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 1/27/2012 7:19:00 PM

Boron 382 2.50 mg/L 50 0 1/27/2012 3:11:00 PM

Cadmium 0.002 0.002 mg/L 1 0 1/27/2012 2:33:00 AM

Chromium < 0.01 0.01 mg/L 1 0 1/27/2012 7:19:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 1/27/2012 2:33:00 AM

Iron < 0.05 0.05 mg/L 1 0 1/27/2012 7:19:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 1/27/2012 2:33:00 AM

Manganese 97.4 0.10 mg/L 10 0 1/27/2012 7:15:00 PM

Nickel 0.01 0.01 mg/L 1 0 1/27/2012 2:33:00 AM

Selenium 0.08 0.02 mg/L 1 3.4 1/27/2012 2:33:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 1/27/2012 2:33:00 AM

Zinc < 0.01 0.01 mg/L 1 0 1/27/2012 2:33:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 2/1/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 5 5 mg/L 1 15 1/25/2012 1:28:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 1/24/2012 8:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1201964

Lab ID: G1201964-002

DF

Geochemical Testing Date: 06-Feb-12

Received Date: 1/24/2012 6:49:35 PM

Laboratory Results

Sampled By: Client

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 33900 200 mg/L 10 0 2/1/2012

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5940 100 mg/L 20 0 1/25/2012 10:15:53 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day 10 2 mg/L 1.5 0 1/25/2012 11:23:00 AM

Finish Date/Time 1/30/2012 10:50 0 mg/L 1.5 0 1/25/2012 11:23:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 19400 2500 mg/L 500 0 1/25/2012 1:21:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/27/2012 7:27:00 PM

Selenium, dissolved 0.34 0.02 mg/L 1 0 1/27/2012 2:58:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.15 0.10 mg/L 500 0 1/26/2012 9:26:26 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 98.3 1.0 mg/L 1 0 1/26/2012 6:46:00 AM

Arsenic 0.48 0.20 mg/L 1 0 1/26/2012 6:46:00 AM

Beryllium 0.012 0.010 mg/L 1 0 1/26/2012 6:46:00 AM

Boron 447 5.00 mg/L 10 0 1/26/2012 3:35:00 PM

Cadmium 0.059 0.020 mg/L 1 0 1/26/2012 6:46:00 AM

Chromium 0.61 0.10 mg/L 1 0 1/26/2012 6:46:00 AM

Copper 0.41 0.10 mg/L 1 0 1/26/2012 6:46:00 AM

Iron 623 0.50 mg/L 1 0 1/26/2012 6:46:00 AM

Lead < 0.20 0.20 mg/L 1 0 1/26/2012 6:46:00 AM

Manganese 561 1.00 mg/L 10 0 1/26/2012 3:35:00 PM

Nickel 3.70 0.10 mg/L 1 0 1/26/2012 6:46:00 AM

Selenium 1.38 0.20 mg/L 1 0 1/26/2012 6:46:00 AM

Silver < 0.050 0.050 mg/L 1 0 1/26/2012 6:46:00 AM

Zinc 1.57 0.10 mg/L 1 0 1/26/2012 6:46:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.61 0.02 mg/L 1 0 2/1/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 19 19 mg/L 3.85 0 1/25/2012 2:51:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, February 10, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1201B92

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 1/31/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 10-Feb-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1201B92

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 1/31/2012 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1201B92

Lab ID: G1201B92-001

DF

Geochemical Testing Date: 10-Feb-12

Received Date: 1/31/2012 5:06:32 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 10 1 mg/L 1 10 2/1/2012 10:45:39 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 28000 100 mg/L 5 0 2/1/2012 10:33:41 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day < 2 2 mg/L 1.5 25 2/1/2012 8:30:00 AM

Finish Date/Time 2/6/2012 07:45 0 mg/L 1.5 0 2/1/2012 8:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 17000 1000 mg/L 200 0 2/2/2012 4:59:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/1/2012 6:06:00 PM

Selenium, dissolved 0.09 0.02 mg/L 1 0 2/1/2012 6:06:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 2/1/2012 11:37:43 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 2/1/2012 5:52:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 2/1/2012 5:52:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 2/1/2012 5:52:00 PM

Boron 340 5.00 mg/L 100 0 2/2/2012 10:24:00 AM

Cadmium 0.002 0.002 mg/L 1 0 2/1/2012 5:52:00 PM

Chromium < 0.01 0.01 mg/L 1 0 2/1/2012 5:52:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 2/1/2012 5:52:00 PM

Iron < 0.05 0.05 mg/L 1 0 2/1/2012 5:52:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 2/1/2012 5:52:00 PM

Manganese 85.5 0.10 mg/L 10 0 2/2/2012 11:01:00 AM

Nickel 0.02 0.01 mg/L 1 0 2/1/2012 5:52:00 PM

Selenium 0.09 0.02 mg/L 1 3.4 2/1/2012 5:52:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 2/1/2012 5:52:00 PM

Zinc < 0.01 0.01 mg/L 1 0 2/1/2012 5:52:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 2/6/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease S 2/1/2012 12:01:00 PM < 5 5 mg/L 1 15

NOTES:

S - Spike recovery indicates a possible matrix effect. The method is in control as indicated by the LCS.

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 1/31/2012 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1201B92

Lab ID: G1201B92-003

DF

Geochemical Testing Date: 10-Feb-12

Received Date: 1/31/2012 5:06:32 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 36800 200 mg/L 1 0 2/2/2012 4:30:53 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 19100 100 mg/L 20 0 2/1/2012 10:45:39 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day 8 2 mg/L 1.5 0 2/1/2012 8:30:00 AM

Finish Date/Time 2/6/2012 07:45 0 mg/L 1.5 2/1/2012 8:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 20600 1250 mg/L 250 0 2/2/2012 4:59:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: SAG

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 1/31/2012 6:20:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/1/2012 6:20:00 PM

Selenium, dissolved < 0.02 0.02 mg/L 1 0 2/1/2012 6:20:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.57 0.10 mg/L 500 0 2/1/2012 12:58:47 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 423 1.0 mg/L 1 0 2/4/2012 3:24:00 AM

Arsenic 1.87 0.20 mg/L 1 0 2/4/2012 3:24:00 AM

Beryllium 0.044 0.010 mg/L 1 0 2/4/2012 3:24:00 AM

Boron 514 5.00 mg/L 10 0 2/6/2012 3:47:00 PM

Cadmium 0.106 0.020 mg/L 1 0 2/4/2012 3:24:00 AM

Chromium 2.53 0.10 mg/L 1 0 2/4/2012 3:24:00 AM

Copper 1.82 0.10 mg/L 1 0 2/6/2012 3:59:00 PM

Iron 2540 5.00 mg/L 10 0 2/6/2012 3:47:00 PM

Lead 0.85 0.20 mg/L 1 0 2/4/2012 3:24:00 AM

Manganese 635 1.00 mg/L 10 0 2/6/2012 3:47:00 PM

Nickel 6.22 0.10 mg/L 1 0 2/4/2012 3:24:00 AM

Selenium 4.04 0.20 mg/L 1 0 2/4/2012 3:24:00 AM

Silver < 0.050 0.050 mg/L 1 0 2/4/2012 3:24:00 AM

Zinc 5.73 0.10 mg/L 1 0 2/4/2012 3:24:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.53 0.02 mg/L 1 0 2/9/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 20 20 mg/L 4 0 2/1/2012 1:52:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Thursday, February 16, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1202293

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 2/7/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 16-Feb-12 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1202293

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 2/7/2012 11:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1202293

Lab ID: G1202293-001

DF

Geochemical Testing Date: 16-Feb-12

Received Date: 2/7/2012 5:56:35 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3 1 mg/L 1 10 2/8/2012 2:53:10 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 36500 100 mg/L 5 0 2/8/2012 2:44:09 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day < 2 2 mg/L 1.5 25 2/8/2012 2:10:00 PM

Finish Date/Time 2/13/2012 13:20 0 mg/L 1.5 0 2/8/2012 2:10:00 PM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15900 1000 mg/L 200 0 2/13/2012 11:36:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/10/2012 1:04:00 AM

Selenium, dissolved 0.05 0.02 mg/L 1 0 2/10/2012 1:04:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 2/9/2012 11:45:33 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 10.5 0.1 mg/L 1 0 2/10/2012 1:59:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 2/10/2012 1:59:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 2/10/2012 1:59:00 AM

Boron 327 5.00 mg/L 100 0 2/10/2012 2:53:00 PM

Cadmium 0.004 0.002 mg/L 1 0 2/10/2012 1:59:00 AM

Chromium < 0.01 0.01 mg/L 1 0 2/10/2012 1:59:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 2/10/2012 7:22:00 PM

Iron < 0.05 0.05 mg/L 1 0 2/10/2012 1:59:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 2/10/2012 1:59:00 AM

Manganese 72.2 0.10 mg/L 10 0 2/10/2012 3:15:00 PM

Nickel 0.02 0.01 mg/L 1 0 2/10/2012 1:59:00 AM

Selenium 0.06 0.02 mg/L 1 3.4 2/10/2012 1:59:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 2/10/2012 1:59:00 AM

Zinc < 0.01 0.01 mg/L 1 0 2/10/2012 1:59:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 2/15/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 6 6 mg/L 1.18 15 2/8/2012 2:29:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 2/7/2012 11:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1202293

Lab ID: G1202293-002

DF

Geochemical Testing Date: 16-Feb-12

Received Date: 2/7/2012 5:56:35 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 40900 200 mg/L 10 0 2/8/2012 2:44:09 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 23500 100 mg/L 20 0 2/8/2012 2:53:06 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day 18 2 mg/L 1.5 0 2/8/2012 2:10:00 PM

Finish Date/Time 2/13/2012 13:20 0 mg/L 1.5 0 2/8/2012 2:10:00 PM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 17900 1000 mg/L 200 0 2/13/2012 11:36:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/10/2012 2:07:00 AM

Selenium, dissolved 0.10 0.02 mg/L 1 0 2/10/2012 2:07:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.69 0.10 mg/L 500 0 2/9/2012 11:52:08 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 516 1.0 mg/L 1 0 2/10/2012 10:06:00 PM

Arsenic 2.17 0.20 mg/L 1 0 2/10/2012 10:06:00 PM

Beryllium 0.063 0.010 mg/L 1 0 2/10/2012 10:06:00 PM

Boron 463 5.00 mg/L 10 0 2/13/2012 2:41:00 PM

Cadmium 0.083 0.020 mg/L 1 0 2/10/2012 10:06:00 PM

Chromium 3.15 0.10 mg/L 1 0 2/10/2012 10:06:00 PM

Copper 2.05 0.10 mg/L 1 0 2/10/2012 10:06:00 PM

Iron 3120 5.00 mg/L 10 0 2/13/2012 2:41:00 PM

Lead 1.05 0.20 mg/L 1 0 2/10/2012 10:06:00 PM

Manganese 461 0.10 mg/L 1 0 2/10/2012 10:06:00 PM

Nickel 6.30 0.10 mg/L 1 0 2/10/2012 10:06:00 PM

Selenium 4.32 0.20 mg/L 1 0 2/10/2012 10:06:00 PM

Silver < 0.050 0.050 mg/L 1 0 2/10/2012 10:06:00 PM

Zinc 6.56 0.10 mg/L 1 0 2/10/2012 10:06:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 3.14 0.02 mg/L 1 0 2/15/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 19 19 mg/L 3.7 0 2/8/2012 2:29:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, February 22, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1202577

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 2/14/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 22-Feb-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1202577

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 2/14/2012 10:25:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1202577

Lab ID: G1202577-001

DF

Geochemical Testing Date: 22-Feb-12

Received Date: 2/14/2012 6:01:25 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 6 1 mg/L 1 10 2/15/2012 12:32:38 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26600 100 mg/L 5 0 2/15/2012 12:32:56 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day < 2 2 mg/L 1.5 25 2/15/2012 10:40:00 AM

Finish Date/Time 2/20/2012 10:30 0 mg/L 1.5 0 2/15/2012 10:40:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14200 1000 mg/L 200 0 2/16/2012 10:11:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/17/2012 5:05:00 AM

Selenium, dissolved 0.10 0.02 mg/L 1 0 2/17/2012 5:05:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 2/16/2012 8:32:52 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 2/17/2012 4:58:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 2/17/2012 4:58:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 2/17/2012 4:58:00 AM

Boron 294 2.50 mg/L 50 0 2/17/2012 4:00:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 2/17/2012 4:58:00 AM

Chromium < 0.01 0.01 mg/L 1 0 2/17/2012 4:58:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 2/17/2012 4:58:00 AM

Iron < 0.05 0.05 mg/L 1 0 2/17/2012 4:58:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 2/17/2012 4:58:00 AM

Manganese 30.1 0.01 mg/L 1 0 2/17/2012 4:58:00 AM

Nickel 0.01 0.01 mg/L 1 0 2/17/2012 4:58:00 AM

Selenium 0.10 0.02 mg/L 1 3.4 2/17/2012 4:58:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 2/17/2012 4:58:00 AM

Zinc < 0.01 0.01 mg/L 1 0 2/17/2012 4:58:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 2/21/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 5 5 mg/L 1 15 2/16/2012 12:18:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 2/14/2012 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1202577

Lab ID: G1202577-002

DF

Geochemical Testing Date: 22-Feb-12

Received Date: 2/14/2012 6:01:25 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24700 200 mg/L 10 0 2/15/2012 12:32:56 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 4580 100 mg/L 20 0 2/15/2012 12:32:37 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day 3 2 mg/L 1.5 0 2/15/2012 10:40:00 AM

Finish Date/Time 2/20/2012 10:30 0 mg/L 1.5 2/15/2012 10:40:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 13500 1000 mg/L 200 0 2/16/2012 10:11:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: KMW

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 2/14/2012 6:35:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/17/2012 5:24:00 AM

Selenium, dissolved 0.24 0.02 mg/L 1 0 2/17/2012 5:24:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.17 0.10 mg/L 500 0 2/16/2012 8:35:03 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 94.8 1.0 mg/L 1 0 2/20/2012 4:16:00 PM

Arsenic 0.25 0.20 mg/L 1 0 2/20/2012 4:16:00 PM

Beryllium < 0.010 0.010 mg/L 1 0 2/20/2012 4:16:00 PM

Boron 310 5.00 mg/L 10 0 2/21/2012 2:57:00 PM

Cadmium 0.046 0.020 mg/L 1 0 2/20/2012 4:16:00 PM

Chromium 0.52 0.10 mg/L 1 0 2/20/2012 4:16:00 PM

Copper 0.36 0.10 mg/L 1 0 2/20/2012 4:16:00 PM

Iron 421 0.50 mg/L 1 0 2/20/2012 4:16:00 PM

Lead < 0.20 0.20 mg/L 1 0 2/20/2012 4:16:00 PM

Manganese 245 0.10 mg/L 1 0 2/20/2012 4:16:00 PM

Nickel 2.25 0.10 mg/L 1 0 2/20/2012 4:16:00 PM

Selenium 1.22 0.20 mg/L 1 0 2/20/2012 4:16:00 PM

Silver < 0.050 0.050 mg/L 1 0 2/20/2012 4:16:00 PM

Zinc 1.04 0.10 mg/L 1 0 2/20/2012 4:16:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 2/21/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 19 19 mg/L 3.7 0 2/16/2012 12:18:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Thursday, March 01, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1202831

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 2/21/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 01-Mar-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1202831

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 2/21/2012 11:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1202831

Lab ID: G1202831-001

DF

Geochemical Testing Date: 01-Mar-12

Received Date: 2/21/2012 5:51:58 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2 1 mg/L 1 10 2/22/2012 5:22:34 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 21200 100 mg/L 5 0 2/22/2012 5:20:34 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 2/22/2012 9:00:00 AM

Finish Date/Time 2/27/2012 09:00 0 mg/L 1.5 0 2/22/2012 9:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 12200 1000 mg/L 200 0 2/23/2012 3:11:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/22/2012 5:09:00 PM

Selenium, dissolved 0.07 0.02 mg/L 1 0 2/22/2012 5:09:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 2/24/2012 9:55:53 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 2/22/2012 5:25:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 2/22/2012 5:25:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 2/22/2012 5:25:00 PM

Boron 249 2.50 mg/L 50 0 2/23/2012 3:45:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 2/22/2012 5:25:00 PM

Chromium < 0.01 0.01 mg/L 1 0 2/22/2012 5:25:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 2/22/2012 5:25:00 PM

Iron < 0.05 0.05 mg/L 1 0 2/22/2012 5:25:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 2/22/2012 5:25:00 PM

Manganese 8.19 0.01 mg/L 1 0 2/22/2012 5:25:00 PM

Nickel 0.02 0.01 mg/L 1 0 2/22/2012 5:25:00 PM

Selenium 0.09 0.02 mg/L 1 3.4 2/22/2012 5:25:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 2/22/2012 5:25:00 PM

Zinc < 0.01 0.01 mg/L 1 0 2/22/2012 5:25:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 2/28/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 5 5 mg/L 1 15 2/23/2012 7:47:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 2/21/2012 10:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1202831

Lab ID: G1202831-002

DF

Geochemical Testing Date: 01-Mar-12

Received Date: 2/21/2012 5:51:58 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26100 200 mg/L 10 0 2/22/2012 5:20:34 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3900 100 mg/L 20 0 2/22/2012 5:22:34 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 4 2 mg/L 1.5 0 2/22/2012 9:00:00 AM

Finish Date/Time 2/27/2012 09:00 0 mg/L 1.5 2/22/2012 9:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 12500 1000 mg/L 200 0 2/23/2012 3:11:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: SEM

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 2/21/2012 6:30:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/22/2012 5:17:00 PM

Selenium, dissolved 0.13 0.02 mg/L 1 0 2/22/2012 5:17:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.33 0.10 mg/L 500 0 2/24/2012 9:58:05 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 89.0 1.0 mg/L 1 0 2/28/2012 8:08:00 AM

Arsenic < 0.20 0.20 mg/L 1 0 2/28/2012 8:08:00 AM

Beryllium < 0.010 0.010 mg/L 1 0 2/28/2012 8:08:00 AM

Boron 256 0.50 mg/L 1 0 2/28/2012 8:08:00 AM

Cadmium 0.027 0.020 mg/L 1 0 2/28/2012 8:08:00 AM

Chromium 0.43 0.10 mg/L 1 0 2/28/2012 8:08:00 AM

Copper 0.38 0.10 mg/L 1 0 2/28/2012 8:08:00 AM

Iron 259 0.50 mg/L 1 0 2/28/2012 7:15:00 PM

Lead < 0.20 0.20 mg/L 1 0 2/28/2012 8:08:00 AM

Manganese 144 0.10 mg/L 1 0 2/28/2012 8:08:00 AM

Nickel 1.71 0.10 mg/L 1 0 2/28/2012 8:08:00 AM

Selenium 1.00 0.20 mg/L 1 0 2/28/2012 8:08:00 AM

Silver < 0.050 0.050 mg/L 1 0 2/28/2012 8:08:00 AM

Zinc 0.76 0.10 mg/L 1 0 2/28/2012 7:15:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.43 0.02 mg/L 1 0 2/29/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: DSZ

Oil & Grease < 18 18 mg/L 3.57 0 2/23/2012 12:13:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, March 07, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1202A63

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 2/28/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 07-Mar-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1202A63

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 2/28/2012 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1202A63

Lab ID: G1202A63-001

DF

Geochemical Testing Date: 07-Mar-12

Received Date: 2/28/2012 5:29:08 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3 1 mg/L 1 10 2/29/2012 9:13:42 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 21800 100 mg/L 5 0 2/29/2012 9:13:53 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 2/29/2012 10:25:00 AM

Finish Date/Time 3/5/2012 11:13 0 mg/L 1.5 0 2/29/2012 10:25:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 13500 1000 mg/L 200 0 3/2/2012 6:33:00 PM

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/1/2012 10:57:00 PM

Selenium, dissolved 0.08 0.02 mg/L 1 0 3/1/2012 10:57:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0 3/2/2012 9:47:58 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Aluminum < 0.1 0.1 mg/L 1 0 3/1/2012 10:42:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 3/1/2012 10:42:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 3/1/2012 10:42:00 PM

Boron 271 2.50 mg/L 50 0 3/2/2012 3:29:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 3/1/2012 10:42:00 PM

Chromium < 0.01 0.01 mg/L 1 0 3/1/2012 10:42:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 3/1/2012 10:42:00 PM

Iron < 0.05 0.05 mg/L 1 0 3/1/2012 10:42:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 3/1/2012 10:42:00 PM

Manganese 8.14 0.01 mg/L 1 0 3/1/2012 10:42:00 PM

Nickel 0.02 0.01 mg/L 1 0 3/1/2012 10:42:00 PM

Selenium 0.08 0.02 mg/L 1 3.4 3/1/2012 10:42:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 3/1/2012 10:42:00 PM

Zinc < 0.01 0.01 mg/L 1 0 3/1/2012 10:42:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 3/5/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.03 15 3/2/2012 9:01:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 2/28/2012 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1202A63

Lab ID: G1202A63-002

DF

Geochemical Testing Date: 07-Mar-12

Received Date: 2/28/2012 5:29:08 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27000 200 mg/L 10 0 2/29/2012 9:13:53 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 9040 100 mg/L 20 0 2/29/2012 9:13:47 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 9 2 mg/L 1.5 0 2/29/2012 10:25:00 AM

Finish Date/Time 3/5/2012 11:13 0 mg/L 1.5 2/29/2012 10:25:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15800 1000 mg/L 200 0 3/2/2012 6:33:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: MXS

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 2/28/2012 6:55:00 PM

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/1/2012 11:17:00 PM

Selenium, dissolved 0.16 0.02 mg/L 1 0 3/1/2012 11:17:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.66 0.10 mg/L 500 0 3/2/2012 9:50:11 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 198 1.0 mg/L 1 0 3/3/2012 12:28:00 AM

Arsenic 0.74 0.20 mg/L 1 0 3/3/2012 12:28:00 AM

Beryllium 0.013 0.010 mg/L 1 0 3/3/2012 12:28:00 AM

Boron 335 10.0 mg/L 20 0 3/5/2012 1:22:00 PM

Cadmium < 0.020 0.020 mg/L 1 0 3/3/2012 12:28:00 AM

Chromium 1.40 0.10 mg/L 1 0 3/3/2012 12:28:00 AM

Copper 0.85 0.10 mg/L 1 0 3/3/2012 12:28:00 AM

Iron 842 0.50 mg/L 1 0 3/3/2012 12:28:00 AM

Lead 0.30 0.20 mg/L 1 0 3/3/2012 12:28:00 AM

Manganese 157 0.10 mg/L 1 0 3/3/2012 12:28:00 AM

Nickel 2.43 0.10 mg/L 1 0 3/3/2012 12:28:00 AM

Selenium 3.31 0.20 mg/L 1 0 3/3/2012 12:28:00 AM

Silver < 0.050 0.050 mg/L 1 0 3/3/2012 12:28:00 AM

Zinc 1.99 0.10 mg/L 1 0 3/3/2012 12:28:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.40 0.02 mg/L 1 0 3/5/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.7 0 3/1/2012 4:21:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, March 13, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1203210

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 3/6/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 13-Mar-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1203210

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 3/6/2012 10:50:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1203210

Lab ID: G1203210-001

DF

Geochemical Testing Date: 13-Mar-12

Received Date: 3/6/2012 7:00:50 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids < 1 1 mg/L 1 10 3/7/2012 11:17:20 AM

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 26500 20 mg/L 1 0 3/7/2012 10:00:10 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 3/7/2012 9:50:00 AM

Finish Date/Time 3/12/2012 08:50 0 mg/L 1.5 0 3/7/2012 9:50:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15500 1000 mg/L 200 0 3/7/2012 9:16:00 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/7/2012 9:09:00 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 3/7/2012 9:09:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 3/7/2012 1:12:56 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 3/7/2012 8:57:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 3/7/2012 8:57:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 3/7/2012 8:57:00 PM

Boron 303 2.50 mg/L 50 0 3/8/2012 12:38:00 PM

Cadmium 0.002 0.002 mg/L 1 0 3/7/2012 8:57:00 PM

Chromium < 0.01 0.01 mg/L 1 0 3/7/2012 8:57:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 3/7/2012 8:57:00 PM

Iron < 0.05 0.05 mg/L 1 0 3/7/2012 8:57:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 3/7/2012 8:57:00 PM

Manganese 16.2 0.01 mg/L 1 0 3/7/2012 8:57:00 PM

Nickel < 0.01 0.01 mg/L 1 0 3/7/2012 8:57:00 PM

Selenium 0.10 0.02 mg/L 1 3.4 3/7/2012 8:57:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 3/7/2012 8:57:00 PM

Zinc < 0.01 0.01 mg/L 1 0 3/7/2012 8:57:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 3/8/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 3/8/2012 8:50:00 AM

NOTES:

S - Spike recovery indicates a possible matrix effect. The method is in control as indicated by the LCS.

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 3/6/2012 10:35:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1203210

Lab ID: G1203210-002

DF

Geochemical Testing Date: 13-Mar-12

Received Date: 3/6/2012 7:00:50 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 31200 200 mg/L 10 0 3/7/2012 10:00:10 AM

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 11100 100 mg/L 20 0 3/7/2012 11:17:14 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 8 2 mg/L 1.5 0 3/7/2012 9:50:00 AM

Finish Date/Time 3/12/2012 08:50 0 mg/L 1.5 3/7/2012 9:50:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 17600 1000 mg/L 200 0 3/7/2012 9:16:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: SEM

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 3/6/2012 7:55:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/7/2012 9:15:00 PM

Selenium, dissolved 0.17 0.02 mg/L 1 0 3/7/2012 9:15:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.38 0.10 mg/L 500 0 3/7/2012 1:15:07 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 322 1.0 mg/L 1 0 3/7/2012 1:06:00 PM

Arsenic 1.04 0.20 mg/L 1 0 3/7/2012 1:06:00 PM

Beryllium 0.025 0.010 mg/L 1 0 3/7/2012 1:06:00 PM

Boron 427 5.00 mg/L 10 0 3/8/2012 12:09:00 PM

Cadmium 0.058 0.020 mg/L 1 0 3/7/2012 1:06:00 PM

Chromium 1.55 0.10 mg/L 1 0 3/7/2012 1:06:00 PM

Copper 0.87 0.10 mg/L 1 0 3/7/2012 1:06:00 PM

Iron 1030 0.50 mg/L 1 0 3/7/2012 1:06:00 PM

Lead 0.43 0.20 mg/L 1 0 3/7/2012 1:06:00 PM

Manganese 286 0.10 mg/L 1 0 3/7/2012 1:06:00 PM

Nickel 3.55 0.10 mg/L 1 0 3/7/2012 1:06:00 PM

Selenium 2.53 0.20 mg/L 1 0 3/7/2012 1:06:00 PM

Silver < 0.050 0.050 mg/L 1 0 3/7/2012 1:06:00 PM

Zinc 2.80 0.10 mg/L 1 0 3/7/2012 1:06:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.53 0.02 mg/L 1 0 3/8/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 24 24 mg/L 4.76 0 3/8/2012 8:50:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, March 20, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1203484

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 3/13/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 20-Mar-12 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1203484

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 3/13/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1203484

Lab ID: G1203484-001

DF

Geochemical Testing Date: 20-Mar-12

Received Date: 3/13/2012 6:14:52 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 3/14/2012 10:20:22 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26100 100 mg/L 5 0 3/14/2012 10:20:32 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day < 2 2 mg/L 1.5 25 3/14/2012 10:35:00 AM

Finish Date/Time 3/19/2012 10:50 0 mg/L 1.5 0 3/14/2012 10:35:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: MLS

Chloride 15200 1000 mg/L 200 0 3/14/2012 10:50:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/14/2012 11:07:00 PM

Selenium, dissolved 0.07 0.02 mg/L 1 0 3/14/2012 11:07:00 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.0002 0.0002 mg/L 1 0.004 3/15/2012 9:38:55 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 6.6 0.1 mg/L 1 0 3/14/2012 11:21:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 3/14/2012 11:21:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 3/14/2012 11:21:00 PM

Boron 289 2.50 mg/L 50 0 3/16/2012 1:14:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 3/14/2012 11:21:00 PM

Chromium < 0.01 0.01 mg/L 1 0 3/14/2012 11:21:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 3/14/2012 11:21:00 PM

Iron < 0.05 0.05 mg/L 1 0 3/14/2012 11:21:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 3/14/2012 11:21:00 PM

Manganese 13.1 0.01 mg/L 1 0 3/14/2012 11:21:00 PM

Nickel 0.01 0.01 mg/L 1 0 3/14/2012 11:21:00 PM

Selenium 0.06 0.02 mg/L 1 3.4 3/14/2012 11:21:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 3/14/2012 11:21:00 PM

Zinc < 0.01 0.01 mg/L 1 0 3/14/2012 11:21:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 3/19/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 3/14/2012 3:48:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 3/13/2012 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1203484

Lab ID: G1203484-002

DF

Geochemical Testing Date: 20-Mar-12

Received Date: 3/13/2012 6:14:52 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 31100 200 mg/L 10 0 3/14/2012 10:20:32 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 13800 100 mg/L 20 0 3/14/2012 10:20:21 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day 17 6 mg/L 6 0 3/14/2012 10:35:00 AM

Finish Date/Time 3/19/2012 10:50 0 mg/L 6 0 3/14/2012 10:35:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: MLS

Chloride 15700 1000 mg/L 200 0 3/14/2012 10:50:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/14/2012 11:14:00 PM

Selenium, dissolved 0.09 0.02 mg/L 1 0 3/14/2012 11:14:00 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury 0.60 0.10 mg/L 500 0 3/15/2012 9:47:46 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 360 1.0 mg/L 1 0 3/15/2012 11:34:00 PM

Arsenic 1.41 0.20 mg/L 1 0 3/15/2012 11:34:00 PM

Beryllium 0.040 0.010 mg/L 1 0 3/16/2012 9:24:00 PM

Boron 362 5.00 mg/L 10 0 3/16/2012 3:20:00 PM

Cadmium 0.084 0.020 mg/L 1 0 3/16/2012 9:24:00 PM

Chromium 2.09 0.10 mg/L 1 0 3/15/2012 11:34:00 PM

Copper 1.33 0.10 mg/L 1 0 3/15/2012 11:34:00 PM

Iron 1540 0.50 mg/L 1 0 3/15/2012 11:34:00 PM

Lead 0.54 0.20 mg/L 1 0 3/15/2012 11:34:00 PM

Manganese 233 0.10 mg/L 1 0 3/16/2012 9:24:00 PM

Nickel 3.67 0.10 mg/L 1 0 3/15/2012 11:34:00 PM

Selenium 3.82 0.20 mg/L 1 0 3/16/2012 9:24:00 PM

Silver < 0.050 0.050 mg/L 1 0 3/15/2012 11:34:00 PM

Zinc 3.67 0.10 mg/L 1 0 3/15/2012 11:34:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.09 0.02 mg/L 1 0 3/19/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.85 0 3/14/2012 3:50:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, March 27, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1203789

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 3/20/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 27-Mar-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1203789

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 3/20/2012 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1203789

Lab ID: G1203789-001

DF

Geochemical Testing Date: 27-Mar-12

Received Date: 3/20/2012 5:52:06 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 4 1 mg/L 1 10 3/21/2012 8:03:38 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24400 100 mg/L 5 0 3/21/2012 8:06:52 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 3/21/2012 7:30:00 AM

Finish Date/Time 3/26/2012 08:30 0 mg/L 1.5 0 3/21/2012 7:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14400 1000 mg/L 200 0 3/22/2012 11:32:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/23/2012 1:00:00 AM

Selenium, dissolved 0.08 0.02 mg/L 1 0 3/23/2012 1:00:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 3/22/2012 10:42:36 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 6.7 0.1 mg/L 1 0 3/23/2012 12:54:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 3/23/2012 12:54:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 3/23/2012 12:54:00 AM

Boron 305 2.50 mg/L 50 0 3/23/2012 2:30:50 PM

Cadmium 0.003 0.002 mg/L 1 0 3/23/2012 12:54:00 AM

Chromium < 0.01 0.01 mg/L 1 0 3/23/2012 12:54:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 3/23/2012 12:54:00 AM

Iron < 0.05 0.05 mg/L 1 0 3/23/2012 12:54:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 3/23/2012 12:54:00 AM

Manganese 10.9 0.01 mg/L 1 0 3/23/2012 12:54:00 AM

Nickel < 0.01 0.01 mg/L 1 0 3/23/2012 12:54:00 AM

Selenium 0.07 0.02 mg/L 1 3.4 3/23/2012 12:54:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 3/23/2012 12:54:00 AM

Zinc < 0.01 0.01 mg/L 1 0 3/23/2012 12:54:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 3/26/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 3/22/2012 4:01:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 3/20/2012 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1203789

Lab ID: G1203789-002

DF

Geochemical Testing Date: 27-Mar-12

Received Date: 3/20/2012 5:52:06 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27100 200 mg/L 10 0 3/21/2012 8:06:52 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 15300 100 mg/L 20 0 3/21/2012 8:03:40 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 15 6 mg/L 6 0 3/21/2012 7:30:00 AM

Finish Date/Time 3/26/2012 08:30 0 mg/L 6 3/21/2012 7:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14900 1000 mg/L 200 0 3/22/2012 11:32:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: SEM

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 3/20/2012 7:10:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/23/2012 1:06:00 AM

Selenium, dissolved 0.08 0.02 mg/L 1 0 3/23/2012 1:06:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.66 0.10 mg/L 500 0 3/22/2012 10:44:45 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Aluminum 268 1.0 mg/L 1 0 3/22/2012 3:19:00 PM

Arsenic 1.49 0.20 mg/L 1 0 3/22/2012 3:19:00 PM

Beryllium 0.032 0.010 mg/L 1 0 3/23/2012 3:05:28 PM

Boron 346 5.00 mg/L 10 0 3/23/2012 1:52:10 PM

Cadmium 0.146 0.020 mg/L 1 0 3/22/2012 3:19:00 PM

Chromium 1.57 0.10 mg/L 1 0 3/22/2012 3:19:00 PM

Copper 1.45 0.10 mg/L 1 0 3/22/2012 3:19:00 PM

Iron 1370 0.50 mg/L 1 0 3/22/2012 3:19:00 PM

Lead 0.70 0.20 mg/L 1 0 3/22/2012 3:19:00 PM

Manganese 296 1.00 mg/L 10 0 3/23/2012 1:52:10 PM

Nickel 3.65 0.10 mg/L 1 0 3/22/2012 3:19:00 PM

Selenium 3.40 0.20 mg/L 1 0 3/22/2012 3:19:00 PM

Silver < 0.050 0.050 mg/L 1 0 3/22/2012 3:19:00 PM

Zinc 3.59 0.10 mg/L 1 0 3/22/2012 3:19:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.57 0.02 mg/L 1 0 3/26/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.85 0 3/22/2012 4:02:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, April 04, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1203A70

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 3/27/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 04-Apr-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1203A70

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 3/27/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1203A70

Lab ID: G1203A70-001

DF

Geochemical Testing Date: 04-Apr-12

Received Date: 3/27/2012 6:02:46 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3 1 mg/L 1 10 3/28/2012 10:32:02 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 29900 20 mg/L 1 0 3/28/2012 11:31:18 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 3/28/2012 10:30:00 AM

Finish Date/Time 4/2/2012 10:10 0 mg/L 1.5 0 3/28/2012 10:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15100 1000 mg/L 200 0 3/28/2012 11:11:00 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/29/2012 3:31:17 PM

Selenium, dissolved 0.11 0.02 mg/L 1 0 3/29/2012 3:31:17 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 4/2/2012 11:33:11 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 6.8 0.1 mg/L 1 0 3/30/2012 11:40:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 3/30/2012 11:40:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 3/30/2012 11:40:00 PM

Boron 324 2.50 mg/L 50 0 4/2/2012 2:00:00 PM

Cadmium 0.002 0.002 mg/L 1 0 3/30/2012 11:40:00 PM

Chromium < 0.01 0.01 mg/L 1 0 3/30/2012 11:40:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 3/30/2012 11:40:00 PM

Iron < 0.05 0.05 mg/L 1 0 3/30/2012 11:40:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 3/30/2012 11:40:00 PM

Manganese 16.7 0.01 mg/L 1 0 3/30/2012 11:40:00 PM

Nickel < 0.01 0.01 mg/L 1 0 3/30/2012 11:40:00 PM

Selenium 0.09 0.02 mg/L 1 3.4 3/30/2012 11:40:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 3/30/2012 11:40:00 PM

Zinc < 0.01 0.01 mg/L 1 0 3/30/2012 11:40:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 4/3/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.02 15 3/29/2012 4:20:00 PM

NOTES:

S - Spike recovery indicates a possible matrix effect. The method is in control as indicated by the LCS.

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 3/27/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1203A70

Lab ID: G1203A70-002

DF

Geochemical Testing Date: 04-Apr-12

Received Date: 3/27/2012 6:02:46 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 38900 200 mg/L 10 0 3/28/2012 11:31:20 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 19800 100 mg/L 20 0 3/28/2012 10:31:59 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 30 6 mg/L 6 0 3/28/2012 10:30:00 AM

Finish Date/Time 4/2/2012 10:10 0 mg/L 6 3/28/2012 10:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 16800 1000 mg/L 200 0 3/28/2012 11:11:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: MLR

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 3/27/2012 6:45:00 PM

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/29/2012 3:33:52 PM

Selenium, dissolved 0.13 0.02 mg/L 1 0 3/29/2012 3:33:52 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.49 0.10 mg/L 500 0 4/2/2012 11:35:26 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 319 1.0 mg/L 1 0 3/29/2012 10:36:00 AM

Arsenic 1.72 0.20 mg/L 1 0 3/29/2012 10:36:00 AM

Beryllium 0.042 0.010 mg/L 1 0 3/29/2012 4:37:10 PM

Boron 376 5.00 mg/L 10 0 3/29/2012 4:34:00 PM

Cadmium 0.169 0.020 mg/L 1 0 3/29/2012 10:36:00 AM

Chromium 2.07 0.10 mg/L 1 0 3/29/2012 10:36:00 AM

Copper 1.49 0.10 mg/L 1 0 3/29/2012 10:36:00 AM

Iron 1750 0.50 mg/L 1 0 3/29/2012 4:37:10 PM

Lead 0.59 0.20 mg/L 1 0 3/29/2012 10:36:00 AM

Manganese 100 0.10 mg/L 1 0 3/29/2012 4:37:10 PM

Nickel 4.91 0.10 mg/L 1 0 3/29/2012 10:36:00 AM

Selenium 3.99 0.20 mg/L 1 0 3/29/2012 4:37:10 PM

Silver < 0.050 0.050 mg/L 1 0 3/29/2012 10:36:00 AM

Zinc 4.43 0.10 mg/L 1 0 3/29/2012 10:36:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.07 0.02 mg/L 1 0 4/2/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.85 0 3/29/2012 4:21:00 PM

NOTES:

The pH of the sample was >2.

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, April 16, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(a)

Order No.: G1204091

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 4/3/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 16-Apr-12 g

Project: Keystone 611 Q(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1204091

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 Q(a)

Client Sample ID: Outfall 101

Collection Date: 4/3/2012 11:10:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1204091

Lab ID: G1204091-001

DF

Geochemical Testing Date: 16-Apr-12

Received Date: 4/3/2012 6:59:54 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 1 1 mg/L 1 10 4/4/2012 2:18:29 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25000 100 mg/L 5 0 4/4/2012 2:19:03 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 0 4/4/2012 9:15:00 AM

Finish Date/Time 4/9/2012 08:15 0 mg/L 1.5 4/4/2012 9:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14000 1000 mg/L 200 0 4/4/2012 1:59:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/10/2012 12:54:00 AM

Selenium, dissolved 0.11 0.02 mg/L 1 0 4/6/2012 6:07:40 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0 4/5/2012 12:56:47 PM

INORGANIC METALS EPA 200.7 Analyst: JAS

Aluminum < 0.1 0.1 mg/L 1 0 4/5/2012 5:14:16 PM

Arsenic < 0.02 0.02 mg/L 1 0 4/5/2012 5:14:16 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 4/5/2012 5:14:16 PM

Boron 257 2.50 mg/L 50 0 4/6/2012 1:17:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 4/5/2012 5:14:16 PM

Chromium < 0.01 0.01 mg/L 1 0 4/5/2012 5:14:16 PM

Copper < 0.01 0.01 mg/L 1 0.1 4/5/2012 5:14:16 PM

Iron < 0.05 0.05 mg/L 1 0 4/5/2012 5:14:16 PM

Lead < 0.02 0.02 mg/L 1 0.1 4/5/2012 5:14:16 PM

Manganese 19.1 0.10 mg/L 10 0 4/6/2012 1:53:00 PM

Nickel < 0.01 0.01 mg/L 1 0 4/5/2012 5:14:16 PM

Selenium 0.12 0.02 mg/L 1 3.4 4/5/2012 5:14:16 PM

Silver < 0.005 0.005 mg/L 1 0.1 4/5/2012 5:14:16 PM

Zinc < 0.01 0.01 mg/L 1 0 4/5/2012 5:14:16 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 4/9/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 5 5 mg/L 1.02 15 4/5/2012 1:06:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 Q(a)

Client Sample ID: FGD Influent

Collection Date: 4/3/2012 11:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1204091

Lab ID: G1204091-002

DF

Geochemical Testing Date: 16-Apr-12

Received Date: 4/3/2012 6:59:54 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23800 200 mg/L 10 0 4/4/2012 2:19:03 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5780 100 mg/L 20 0 4/4/2012 2:18:09 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 19 3 mg/L 3 0 4/4/2012 9:15:00 AM

Finish Date/Time 4/9/2012 08:15 0 mg/L 3 4/4/2012 9:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 12700 1000 mg/L 200 0 4/4/2012 1:59:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/10/2012 1:02:00 AM

Selenium, dissolved 0.31 0.02 mg/L 1 0 4/6/2012 6:10:23 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.16 0.10 mg/L 500 0 4/5/2012 12:59:01 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 77.7 1.0 mg/L 1 0 4/10/2012 6:00:00 AM

Arsenic 0.33 0.20 mg/L 1 0 4/10/2012 6:00:00 AM

Beryllium < 0.010 0.010 mg/L 1 0 4/10/2012 6:00:00 AM

Boron 217 5.00 mg/L 10 0 4/10/2012 5:33:38 PM

Cadmium 0.037 0.020 mg/L 1 0 4/10/2012 6:00:00 AM

Chromium 0.44 0.10 mg/L 1 0 4/10/2012 6:00:00 AM

Copper 0.32 0.10 mg/L 1 0 4/10/2012 6:00:00 AM

Iron 397 0.50 mg/L 1 0 4/10/2012 6:00:00 AM

Lead < 0.20 0.20 mg/L 1 0 4/10/2012 6:00:00 AM

Manganese 190 0.10 mg/L 1 0 4/10/2012 6:00:00 AM

Nickel 1.88 0.10 mg/L 1 0 4/10/2012 6:00:00 AM

Selenium 1.25 0.20 mg/L 1 0 4/10/2012 6:00:00 AM

Silver < 0.050 0.050 mg/L 1 0 4/10/2012 6:00:00 AM

Zinc 1.04 0.10 mg/L 1 0 4/10/2012 6:47:33 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.41 0.02 mg/L 1 0 4/12/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 19 19 mg/L 3.7 0 4/5/2012 1:06:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
No problems were encountered during analysis of this workorder, except if noted in this report.

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION

Project: Permit Renewal CASE NARRATIVE

Lab Order: G1204401

Legend: ND - Not Detected at the Quantitation Limit S - Spike Recovery outside accepted recovery limits

J - Indicates an estimated value R - RPD outside accepted recovery limits

U - The analyte was not detected at or above the listed E - Value above quantitation range

concentration, which is below the laboratory quantitation limit ** - Value exceeds Action Limit

B - Analyte detected in the associated Method Blank H - Method Hold Time Exceeded

Q - Qualifier QL - Quantitation Limit DF - Dilution Factor MCL - Contaminant Limit

Page 1 of 7
Inorganic Non-Metals SM 2540 C Analyst: KLS

 Total dissolved solids 30600 100 mg/L 5 04/11/2012 09:50

Physical Tests SM 2540D Analyst: KLS

 Total suspended solids 9 5 mg/L 1 04/11/2012 09:49

Indicator Organic Parameters SM 5210 B Analyst: MMR

 BOD 5-day 0.75 2 U mg/L 1.5 04/11/2012 10:45

 Finish Date/Time 4/16/2012

10:10 0 mg/L 1.5 04/11/2012 10:45

Inorganic Non Metals SM 4500-CNI Analyst: MLR

 Cyanide, free 5.00 10 U μg/L 1 04/12/2012 13:41

Inorganic Non Metals SM 4500-CN-C&E Analyst: MLR

 Cyanide, total 5.0 10 U μg/L 1 04/11/2012 13:47

Indicator Organic Parameters HACH 8000 Analyst: SEM

 Chemical Oxygen Demand 1100 20 mg/L 2 04/13/2012 17:30

Physical Tests SM 2120C Analyst: MLS

 Color 12 10 Color Units 1 04/10/2012 19:35

Inorganic Non Metals USGS I-1230-85 Analyst: SAG

 Hexavalent Chromium 27 20 μg/L 1 04/10/2012 19:45

Inorganic Non-Metals EPA 300.0 Analyst: CAS

 Bromide 178 5.0 mg/L 25 04/16/2012 19:22

 Fluoride 3.6 1.0 mg/L 10 04/12/2012 22:36

 Sulfate 1150 20 mg/L 10 04/12/2012 22:36

Inorganic Non-Metals SM 5540C Analyst: SEM

 MBAS 2.8 0.50 mg/L as 10 04/11/2012 10:40

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204401 Day 1

Project: Permit Renewal Sampled By: Client

Lab ID: G1204401-001 Collection Date: 04/10/2012 11:00

Matrix: Aqueous Received Date: 04/10/2012 18:24

Analyses Result QL Q Units DF Date Analyzed

Page 2 of 7
LAS

Inorganic Non-Metals EPA 350.1 Analyst: SLY

 Ammonia Nitrogen - Distilled 5.22 0.50 mg/L as N 5 04/12/2012 14:22

Inorganic Non-Metals EPA 353.2 Analyst: SLY

 Nitrate - Nitrite 26.6 0.50 mg/L as N 10 04/16/2012 11:35

Inorganic Non-Metals SM 4500-P B.5 E Analyst: SEM

 Phosphorus, total 0.9 1.0 J mg/L as P 10 04/12/2012 14:49

Indicator Organic Parameters EPA 420.1 Analyst: MLR

 Phenolics 10.0 20.0 U μg/L 1 04/12/2012 11:25

Inorganic Non Metals SM 4500 S D Analyst: KMW

 Sulfide 0.050 0.1 U mg/L 1 04/12/2012 15:30

Inorganic Non Metals SM 4500-SO3 B Analyst: MLS

 Lab Sulfite 2.0 2.0 U mg/L 1 04/10/2012 19:22

Inorganic Non-Metals EPA 351.2 Analyst: SLY

 Total Kjeldahl Nitrogen 19.7 1.0 mg/L as N 1 04/12/2012 09:58

Inorganic Metals SM 3112B Analyst: JEK

 Mercury 0.10 0.20 U μg/L 1 04/12/2012 11:07

Trivalent Chromium ug/L EPA 200.7/I-1230-85 Analyst: LAN

 Trivalent Chromium 10.0 20.0 U μg/L 1 04/27/2012 00:00

Inorganic Metals EPA 200.7 Analyst: MBG

 Iron, dissolved 10.0 50 U μg/L 1 04/12/2012 23:08

Inorganic Metals EPA 200.7 Analyst: GMG

 Aluminum 50.0 100 U μg/L 1 05/18/2012 00:15

 Antimony 10.0 20.0 U μg/L 1 05/18/2012 00:15

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204401 Day 1

Project: Permit Renewal Sampled By: Client

Lab ID: G1204401-001 Collection Date: 04/10/2012 11:00

Matrix: Aqueous Received Date: 04/10/2012 18:24

Analyses Result QL Q Units DF Date Analyzed

Page 3 of 7
 Arsenic 10.0 20.0 U μg/L 1 05/18/2012 00:15

 Barium 191 10.0 μg/L 1 05/18/2012 00:15

 Beryllium 0.500 1.00 U μg/L 1 05/18/2012 00:15

 Boron 220000 2500 μg/L 50 04/17/2012 12:29

 Cadmium 1.9 2.00 J μg/L 1 05/18/2012 00:15

 Calcium 5340000 5000 μg/L 50 04/17/2012 12:29

 Chromium 5.00 10.0 U μg/L 1 05/18/2012 00:15

 Cobalt 2.00 5.00 U μg/L 1 05/18/2012 00:15

 Copper 5.00 10.0 U μg/L 1 05/18/2012 00:15

 Iron 39 50.0 J μg/L 1 05/18/2012 00:15

 Lead 30.0 20.0 μg/L 1 05/18/2012 00:15

 Magnesium 1850000 5000 μg/L 50 04/17/2012 12:29

 Manganese 19000 10.0 μg/L 1 05/18/2012 00:15

 Molybdenum 29.9 20.0 μg/L 1 05/18/2012 00:15

 Nickel 17.5 10.0 μg/L 1 05/18/2012 00:15

 Selenium 106 20.0 μg/L 1 05/18/2012 00:15

 Silver 2.00 5.00 U μg/L 1 05/18/2012 00:15

 Thallium 16 20.0 J μg/L 1 05/18/2012 00:15

 Tin 50.0 100 U μg/L 1 05/18/2012 00:15

 Titanium 10.2 5.00 μg/L 1 05/18/2012 00:15

 Zinc 7.5 10.0 J μg/L 1 05/18/2012 00:15

 Hardness (SM 2340B) 20900000 50000 μg/L 50 04/17/2012 12:29

Semi-Volatile Compounds EPA 625 Analyst: NPT

 1,2,4-Trichlorobenzene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 1,2-Dichlorobenzene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 1,3-Dichlorobenzene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 1,4-Dichlorobenzene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 2,4,6-Trichlorophenol 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 2,4-Dichlorophenol 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 2,4-Dimethylphenol 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 2,4-Dinitrophenol 4.8 48 U μg/L 0.95 04/19/2012 02:26

 2,4-Dinitrotoluene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 2,6-Dinitrotoluene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 2-Chloro-Naphthalene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204401 Day 1

Project: Permit Renewal Sampled By: Client

Lab ID: G1204401-001 Collection Date: 04/10/2012 11:00

Matrix: Aqueous Received Date: 04/10/2012 18:24

Analyses Result QL Q Units DF Date Analyzed

Page 4 of 7
 2-Chlorophenol 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 2-Methyl-4,6-dinitrophenol 4.8 48 U μg/L 0.95 04/19/2012 02:26

 2-Nitrophenol 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 3,3-Dichlorobenzidine 4.8 48 U μg/L 0.95 04/19/2012 02:26

 4-Bromophenylphenylether 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 4-Chloro-3-methylphenol 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 4-Chlorophenylphenylether 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 4-Nitrophenol 4.8 48 U μg/L 0.95 04/19/2012 02:26

 Acenaphthene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Acenaphthylene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Anthracene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Azobenzene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Benzidine 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Benzo(a)anthracene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Benzo(a)pyrene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Benzo(b)fluoranthene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Benzo(g,h,i)perylene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Benzo(k)fluoranthene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 bis(2-Chloroethoxy)methane 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 bis(2-Chloroethyl)ether 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 bis(2-Chloroisopropyl)ether 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 bis(2-Ethylhexyl)phthalate 4.8 4.8 μg/L 0.95 04/19/2012 02:26

 Butyl benzylphthalate 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Chrysene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Di-N-Butyl Phthalate 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Di-N-Octylphthalate 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Di-n-propylnitrosamine 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Dibenzo(a,h)anthracene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Diethyl Phthalate 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Dimethyl Phthalate 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Fluoranthene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Fluorene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Hexachlorobenzene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Hexachlorobutadiene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Hexachlorocyclopentadiene 4.8 48 U μg/L 0.95 04/19/2012 02:26

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204401 Day 1

Project: Permit Renewal Sampled By: Client

Lab ID: G1204401-001 Collection Date: 04/10/2012 11:00

Matrix: Aqueous Received Date: 04/10/2012 18:24

Analyses Result QL Q Units DF Date Analyzed

Page 5 of 7
 Hexachloroethane 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Indeno(1,2,3-cd)pyrene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Isophorone 1.9 4.8 U μg/L 0.95 04/19/2012 02:26

 n-Nitrosodimethylamine 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 n-Nitrosodiphenylamine 9.5 19 U μg/L 0.95 04/19/2012 02:26

 Naphthalene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Nitrobenzene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Pentachlorophenol 4.8 48 U μg/L 0.95 04/19/2012 02:26

 Phenanthrene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Phenol 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 Pyrene 4.8 9.5 U μg/L 0.95 04/19/2012 02:26

 TIC: 1-Butene, 3,3-dimethyl- NA 3.8 U μg/L 0.95 04/19/2012 02:26

 TIC: Chloroiodomethane NA 3.8 U μg/L 0.95 04/19/2012 02:26

 TIC: Cyclohexanone, 2-hydroxy- NA 3.8 U μg/L 0.95 04/19/2012 02:26

 TIC: Hydrazine, 1,1-dipropyl- NA 3.8 U μg/L 0.95 04/19/2012 02:26

 TIC: Methane, bromodichloro- NA 3.8 U μg/L 0.95 04/19/2012 02:26

Volatile Organic Compounds EPA 624 Analyst: SJM

 1,1,1-Trichloroethane 0.200 0.5 U μg/L 1 04/11/2012 15:20

 1,1,2,2-Tetrachloroethane 0.200 0.5 U μg/L 1 04/11/2012 15:20

 1,1,2-Trichloroethane 0.500 1.0 U μg/L 1 04/11/2012 15:20

 1,1-Dichloroethane 0.200 0.5 U μg/L 1 04/11/2012 15:20

 1,1-Dichloroethene 0.200 0.5 U μg/L 1 04/11/2012 15:20

 1,2-Dichloroethane 0.200 0.5 U μg/L 1 04/11/2012 15:20

 1,2-Dichloropropane 0.200 0.5 U μg/L 1 04/11/2012 15:20

 2-Chloroethylvinyl ether 0.500 1.0 U μg/L 1 04/11/2012 15:20

 Benzene 0.200 0.5 U μg/L 1 04/11/2012 15:20

 Bromoform 0.200 0.5 U μg/L 1 04/11/2012 15:20

 Bromomethane 0.500 1.0 U μg/L 1 04/11/2012 15:20

 Carbon Tetrachloride 0.200 0.5 U μg/L 1 04/11/2012 15:20

 Chlorobenzene 0.200 0.5 U μg/L 1 04/11/2012 15:20

 Chlorodibromomethane 0.400 1.0 U μg/L 1 04/11/2012 15:20

 Chloroethane 0.200 0.5 U μg/L 1 04/11/2012 15:20

 Chloroform 0.3 0.5 J μg/L 1 04/11/2012 15:20

 Chloromethane 0.200 0.5 U μg/L 1 04/11/2012 15:20

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204401 Day 1

Project: Permit Renewal Sampled By: Client

Lab ID: G1204401-001 Collection Date: 04/10/2012 11:00

Matrix: Aqueous Received Date: 04/10/2012 18:24

Analyses Result QL Q Units DF Date Analyzed

Page 6 of 7
 Dichlorobromomethane 0.200 0.5 U μg/L 1 04/11/2012 15:20

 Ethylbenzene 0.200 0.5 U μg/L 1 04/11/2012 15:20

 Methylene Chloride 0.200 0.5 U μg/L 1 04/11/2012 15:20

 Tetrachloroethene 0.200 0.5 U μg/L 1 04/11/2012 15:20

 Toluene 0.200 0.5 U μg/L 1 04/11/2012 15:20

 trans-1,2-Dichloroethene 0.500 1.0 U μg/L 1 04/11/2012 15:20

 Trichloroethene 0.200 0.5 U μg/L 1 04/11/2012 15:20

 Vinyl Chloride 0.200 0.5 U μg/L 1 04/11/2012 15:20

 1,3-Dichloropropylene 0.200 0.5 U μg/L 1 04/11/2012 15:20

 TIC: None detected NA 3.0 U 1 04/11/2012 15:20

Volatile Organic Compounds EPA 624 Analyst: SJM

 Acrolein 2.00 5.00 U μg/L 1 04/11/2012 15:20

 Acrylonitrile 0.500 1.00 U μg/L 1 04/11/2012 15:20

Indicator Organic Parameters EPA 1664 Analyst: AMS

 Oil & Grease 2.04 5 U mg/L 1.02 04/16/2012 08:55

Indicator Organic Parameters SM 20 5310-C Analyst: ACG

 Total Organic Carbon 1.8 0.5 mg/L 1 04/12/2012 20:13

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204401 Day 1

Project: Permit Renewal Sampled By: Client

Lab ID: G1204401-001 Collection Date: 04/10/2012 11:00

Matrix: Aqueous Received Date: 04/10/2012 18:24

Analyses Result QL Q Units DF Date Analyzed

Page 7 of 7
Wednesday, April 18, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(b)

Order No.: G1204416

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 4/10/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 18-Apr-12 g

Project: Keystone 611 Q(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1204416

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 Q(b)

Client Sample ID: Outfall 101

Collection Date: 4/10/2012 10:20:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1204416

Lab ID: G1204416-001

DF

Geochemical Testing Date: 18-Apr-12

Received Date: 4/10/2012 8:17:02 PM

Laboratory Results

Sampled By: Client

MC

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 4/11/2012 9:50:02 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 30500 100 mg/L 5 0 4/11/2012 9:50:19 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 4/11/2012 11:35:00 AM

Finish Date/Time 4/16/2012 11:10 0 mg/L 1.5 0 4/11/2012 11:35:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: MLS

Chloride 14600 1000 mg/L 200 0 4/11/2012 4:36:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/14/2012 10:22:00 AM

Selenium, dissolved 0.39 0.02 mg/L 1 0 4/14/2012 10:22:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0 4/12/2012 11:20:58 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 4/12/2012 11:36:04 PM

Arsenic < 0.02 0.02 mg/L 1 0 4/12/2012 11:36:04 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 4/12/2012 11:36:04 PM

Boron 235 2.50 mg/L 50 0 4/13/2012 5:13:00 PM

Cadmium 0.003 0.002 mg/L 1 0 4/12/2012 11:36:04 PM

Chromium < 0.01 0.01 mg/L 1 0 4/12/2012 11:36:04 PM

Copper < 0.01 0.01 mg/L 1 0.1 4/12/2012 11:36:04 PM

Iron < 0.05 0.05 mg/L 1 0 4/12/2012 11:36:04 PM

Lead < 0.02 0.02 mg/L 1 0.1 4/12/2012 11:36:04 PM

Manganese 20.5 0.10 mg/L 10 0 4/13/2012 6:21:00 PM

Nickel 0.01 0.01 mg/L 1 0 4/12/2012 11:36:04 PM

Selenium 0.12 0.02 mg/L 1 3.4 4/12/2012 11:36:04 PM

Silver < 0.005 0.005 mg/L 1 0 4/14/2012 3:17:00 AM

Zinc < 0.01 0.01 mg/L 1 0 4/12/2012 11:36:04 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 4/17/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 5 5 mg/L 0.99 15 4/16/2012 8:42:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 Q(b)

Client Sample ID: FGD Influent

Collection Date: 4/10/2012 10:10:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1204416

Lab ID: G1204416-002

DF

Geochemical Testing Date: 18-Apr-12

Received Date: 4/10/2012 8:17:02 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MC

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 39900 200 mg/L 10 0 4/11/2012 9:50:19 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 15200 100 mg/L 20 0 4/11/2012 9:49:48 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 15 3 mg/L 3 0 4/11/2012 11:35:00 AM

Finish Date/Time 4/16/2012 11:10 0 mg/L 3 0 4/11/2012 11:35:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: MLS

Chloride 13400 1000 mg/L 200 0 4/11/2012 4:36:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/14/2012 10:38:00 AM

Selenium, dissolved 0.10 0.02 mg/L 1 0 4/14/2012 10:38:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.0013 0.0002 mg/L 1 0 4/12/2012 12:42:36 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 277 1.0 mg/L 1 0 4/14/2012 7:52:00 PM

Arsenic 1.56 0.20 mg/L 1 0 4/14/2012 7:52:00 PM

Beryllium 0.044 0.010 mg/L 1 0 4/14/2012 7:52:00 PM

Boron 323 5.00 mg/L 10 0 4/16/2012 3:46:00 PM

Cadmium < 0.020 0.020 mg/L 1 0 4/14/2012 7:52:00 PM

Chromium 1.90 0.10 mg/L 1 0 4/14/2012 7:52:00 PM

Copper 1.62 0.10 mg/L 1 0 4/14/2012 7:52:00 PM

Iron 1730 0.50 mg/L 1 0 4/14/2012 7:52:00 PM

Lead 0.61 0.20 mg/L 1 0 4/14/2012 7:52:00 PM

Manganese 297 0.10 mg/L 1 0 4/14/2012 7:52:00 PM

Nickel 4.65 0.10 mg/L 1 0 4/14/2012 7:52:00 PM

Selenium 3.52 0.20 mg/L 1 0 4/14/2012 7:52:00 PM

Silver < 0.050 0.050 mg/L 1 0 4/14/2012 7:52:00 PM

Zinc 3.98 0.10 mg/L 1 0 4/14/2012 7:52:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.90 0.02 mg/L 1 0 4/17/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 19 19 mg/L 3.7 0 4/16/2012 8:59:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
No problems were encountered during analysis of this workorder, except if noted in this report.

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION

Project: Permit Renewal CASE NARRATIVE

Lab Order: G1204522

Legend: ND - Not Detected at the Quantitation Limit S - Spike Recovery outside accepted recovery limits

J - Indicates an estimated value R - RPD outside accepted recovery limits

U - The analyte was not detected at or above the listed E - Value above quantitation range

concentration, which is below the laboratory quantitation limit ** - Value exceeds Action Limit

B - Analyte detected in the associated Method Blank H - Method Hold Time Exceeded

Q - Qualifier QL - Quantitation Limit DF - Dilution Factor MCL - Contaminant Limit

Page 1 of 7
Inorganic Non-Metals SM 2540 C Analyst: KLS

 Total dissolved solids 29300 200 mg/L 10 04/12/2012 08:42

Physical Tests SM 2540D Analyst: KLS

 Total suspended solids 2 1 mg/L 1 04/19/2012 12:02

Indicator Organic Parameters SM 5210 B Analyst: MMR

 BOD 5-day 0.75 2 U mg/L 1.5 04/12/2012 08:55

 Finish Date/Time 4/17/2012

07:55 0 mg/L 1.5 04/12/2012 08:55

Inorganic Non Metals SM 4500-CNI Analyst: MLR

 Cyanide, free 5.00 10 U μg/L 1 04/12/2012 13:41

Inorganic Non Metals SM 4500-CN-C&E Analyst: MLR

 Cyanide, total 5.0 10 U μg/L 1 04/17/2012 14:49

Indicator Organic Parameters HACH 8000 Analyst: SEM

 Chemical Oxygen Demand 1800 20 mg/L 2 04/13/2012 17:30

Physical Tests SM 2120C Analyst: MLS

 Color 10 10 U Color Units 1 04/11/2012 18:42

Inorganic Non Metals USGS I-1230-85 Analyst: MLS

 Hexavalent Chromium 15 20 J μg/L 1 04/11/2012 19:00

Inorganic Non-Metals EPA 300.0 Analyst: CAS

 Nitrate - Nitrite 16.9 0.05 mg/L as N 1 04/11/2012 19:57

Inorganic Non-Metals EPA 300.0 Analyst: CAS

 Bromide 178 5.0 mg/L 25 04/16/2012 19:39

 Fluoride 4.3 1.0 mg/L 10 04/12/2012 21:46

 Sulfate 1100 20 mg/L 10 04/12/2012 21:46

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204522 Day 2

Project: Permit Renewal Sampled By: Client

Lab ID: G1204522-001 Collection Date: 04/11/2012 10:30

Matrix: Aqueous Received Date: 04/11/2012 18:12

Analyses Result QL Q Units DF Date Analyzed

Page 2 of 7
Inorganic Non-Metals SM 5540C Analyst: KMW

 MBAS 0.62 0.50 mg/L as

LAS 10 04/12/2012 14:20

Inorganic Non-Metals EPA 350.1 Analyst: SLY

 Ammonia Nitrogen - Distilled 4.70 0.20 mg/L as N 2 04/17/2012 13:58

Inorganic Non-Metals SM 4500-P B.5 E Analyst: SEM

 Phosphorus, total 1.2 1.0 mg/L as P 10 04/12/2012 14:49

Indicator Organic Parameters EPA 420.1 Analyst: MLR

 Phenolics 20.0 40.0 U μg/L 2 04/13/2012 13:13

Inorganic Non Metals SM 4500 S D Analyst: KMW

 Sulfide 0.050 0.1 U mg/L 1 04/12/2012 15:30

Inorganic Non Metals SM 4500-SO3 B Analyst: MLS

 Lab Sulfite 2.0 2.0 U mg/L 1 04/11/2012 18:45

Inorganic Non-Metals EPA 351.2 Analyst: SLY

 Total Kjeldahl Nitrogen 21.0 2.0 mg/L as N 2 04/25/2012 08:55

Inorganic Metals SM 3112B Analyst: JEK

 Mercury 0.10 0.20 U μg/L 1 04/12/2012 13:04

Trivalent Chromium ug/L EPA 200.7/I-1230-85 Analyst: LAN

 Trivalent Chromium 10.0 20.0 U μg/L 1 04/27/2012 00:00

Inorganic Metals EPA 200.7 Analyst: MBG

 Iron, dissolved 10.0 50 U μg/L 1 04/17/2012 03:50

Inorganic Metals EPA 200.7 Analyst: MBG

 Aluminum 50.0 100 U μg/L 1 04/14/2012 14:48

 Antimony 14 20.0 J μg/L 1 04/14/2012 14:48

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204522 Day 2

Project: Permit Renewal Sampled By: Client

Lab ID: G1204522-001 Collection Date: 04/11/2012 10:30

Matrix: Aqueous Received Date: 04/11/2012 18:12

Analyses Result QL Q Units DF Date Analyzed

Page 3 of 7
 Arsenic 10.0 20.0 U μg/L 1 04/14/2012 14:48

 Barium 190 10.0 μg/L 1 04/14/2012 14:48

 Beryllium 0.500 1.00 U μg/L 1 04/14/2012 14:48

 Boron 235000 2500 μg/L 50 04/16/2012 15:18

 Cadmium 1.6 2.00 J μg/L 1 04/14/2012 14:48

 Calcium 5640000 2500 μg/L 25 04/16/2012 15:22

 Chromium 5.00 10.0 U μg/L 1 04/14/2012 14:48

 Cobalt 2.00 5.00 U μg/L 1 04/14/2012 14:48

 Copper 5.00 10.0 U μg/L 1 04/14/2012 14:48

 Iron 36 50.0 J μg/L 1 04/14/2012 14:48

 Lead 10.0 20.0 U μg/L 1 04/14/2012 14:48

 Magnesium 1970000 2500 μg/L 25 04/16/2012 15:22

 Manganese 23700 10.0 μg/L 1 04/14/2012 14:48

 Molybdenum 29.6 20.0 μg/L 1 04/14/2012 14:48

 Nickel 21.2 10.0 μg/L 1 04/14/2012 14:48

 Selenium 133 20.0 μg/L 1 04/14/2012 14:48

 Silver 2.00 5.00 U μg/L 1 04/14/2012 14:48

 Thallium 18 20.0 J μg/L 1 04/14/2012 14:48

 Tin 50.0 100 U μg/L 1 04/14/2012 14:48

 Titanium 27.7 5.00 μg/L 1 04/14/2012 14:48

 Zinc 6.6 10.0 J μg/L 1 04/14/2012 14:48

 Hardness (SM 2340B) 22200000 25000 μg/L 25 04/16/2012 15:22

Semi-Volatile Compounds EPA 625 Analyst: JB

 1,2,4-Trichlorobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 1,2-Dichlorobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 1,3-Dichlorobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 1,4-Dichlorobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 2,4,6-Trichlorophenol 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 2,4-Dichlorophenol 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 2,4-Dimethylphenol 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 2,4-Dinitrophenol 4.8 48 U μg/L 0.95 04/20/2012 18:28

 2,4-Dinitrotoluene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 2,6-Dinitrotoluene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 2-Chloro-Naphthalene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204522 Day 2

Project: Permit Renewal Sampled By: Client

Lab ID: G1204522-001 Collection Date: 04/11/2012 10:30

Matrix: Aqueous Received Date: 04/11/2012 18:12

Analyses Result QL Q Units DF Date Analyzed

Page 4 of 7
 2-Chlorophenol 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 2-Methyl-4,6-dinitrophenol 4.8 48 U μg/L 0.95 04/20/2012 18:28

 2-Nitrophenol 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 3,3-Dichlorobenzidine 4.8 48 U μg/L 0.95 04/20/2012 18:28

 4-Bromophenylphenylether 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 4-Chloro-3-methylphenol 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 4-Chlorophenylphenylether 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 4-Nitrophenol 4.8 48 U μg/L 0.95 04/20/2012 18:28

 Acenaphthene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Acenaphthylene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Anthracene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Azobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Benzidine 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Benzo(a)anthracene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Benzo(a)pyrene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Benzo(b)fluoranthene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Benzo(g,h,i)perylene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Benzo(k)fluoranthene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 bis(2-Chloroethoxy)methane 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 bis(2-Chloroethyl)ether 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 bis(2-Chloroisopropyl)ether 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 bis(2-Ethylhexyl)phthalate 1.9 4.8 U μg/L 0.95 04/20/2012 18:28

 Butyl benzylphthalate 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Chrysene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Di-N-Butyl Phthalate 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Di-N-Octylphthalate 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Di-n-propylnitrosamine 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Dibenzo(a,h)anthracene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Diethyl Phthalate 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Dimethyl Phthalate 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Fluoranthene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Fluorene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Hexachlorobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Hexachlorobutadiene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Hexachlorocyclopentadiene 4.8 48 U μg/L 0.95 04/20/2012 18:28

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204522 Day 2

Project: Permit Renewal Sampled By: Client

Lab ID: G1204522-001 Collection Date: 04/11/2012 10:30

Matrix: Aqueous Received Date: 04/11/2012 18:12

Analyses Result QL Q Units DF Date Analyzed

Page 5 of 7
 Hexachloroethane 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Indeno(1,2,3-cd)pyrene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Isophorone 1.9 4.8 U μg/L 0.95 04/20/2012 18:28

 n-Nitrosodimethylamine 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 n-Nitrosodiphenylamine 9.5 19 U μg/L 0.95 04/20/2012 18:28

 Naphthalene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Nitrobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Pentachlorophenol 4.8 48 U μg/L 0.95 04/20/2012 18:28

 Phenanthrene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Phenol 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 Pyrene 4.8 9.5 U μg/L 0.95 04/20/2012 18:28

 TIC: 2H-Azepin-2-one, hexahydro-6-methyl- NA 3.8 U μg/L 0.95 04/20/2012 18:28

 TIC: 4-Heptanol, 2,4-dimethyl- NA 3.8 U μg/L 0.95 04/20/2012 18:28

 TIC: 8,9-Dicyanoacenaphtho(1,2-b)pyrazine NA 3.8 U μg/L 0.95 04/20/2012 18:28

 TIC: Chloroiodomethane NA 3.8 U μg/L 0.95 04/20/2012 18:28

 TIC: Methane, bromodichloro- NA 3.8 U μg/L 0.95 04/20/2012 18:28

 TIC: Pentane, 1-chloro-5-iodo- NA 3.8 U μg/L 0.95 04/20/2012 18:28

Volatile Organic Compounds EPA 624 Analyst: SJM

 1,1,1-Trichloroethane 0.200 0.5 U μg/L 1 04/12/2012 21:09

 1,1,2,2-Tetrachloroethane 0.200 0.5 U μg/L 1 04/12/2012 21:09

 1,1,2-Trichloroethane 0.500 1.0 U μg/L 1 04/12/2012 21:09

 1,1-Dichloroethane 0.200 0.5 U μg/L 1 04/12/2012 21:09

 1,1-Dichloroethene 0.200 0.5 U μg/L 1 04/12/2012 21:09

 1,2-Dichloroethane 0.200 0.5 U μg/L 1 04/12/2012 21:09

 1,2-Dichloropropane 0.200 0.5 U μg/L 1 04/12/2012 21:09

 2-Chloroethylvinyl ether 0.500 1.0 U μg/L 1 04/12/2012 21:09

 Benzene 0.200 0.5 U μg/L 1 04/12/2012 21:09

 Bromoform 0.200 0.5 U μg/L 1 04/12/2012 21:09

 Bromomethane 0.500 1.0 U μg/L 1 04/12/2012 21:09

 Carbon Tetrachloride 0.200 0.5 U μg/L 1 04/12/2012 21:09

 Chlorobenzene 0.200 0.5 U μg/L 1 04/12/2012 21:09

 Chlorodibromomethane 0.400 1.0 U μg/L 1 04/12/2012 21:09

 Chloroethane 0.200 0.5 U μg/L 1 04/12/2012 21:09

 Chloroform 0.3 0.5 J μg/L 1 04/12/2012 21:09

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204522 Day 2

Project: Permit Renewal Sampled By: Client

Lab ID: G1204522-001 Collection Date: 04/11/2012 10:30

Matrix: Aqueous Received Date: 04/11/2012 18:12

Analyses Result QL Q Units DF Date Analyzed

Page 6 of 7
 Chloromethane 0.200 0.5 U μg/L 1 04/12/2012 21:09

 Dichlorobromomethane 0.200 0.5 U μg/L 1 04/12/2012 21:09

 Ethylbenzene 0.200 0.5 U μg/L 1 04/12/2012 21:09

 Methylene Chloride 0.200 0.5 U μg/L 1 04/12/2012 21:09

 Tetrachloroethene 0.200 0.5 U μg/L 1 04/12/2012 21:09

 Toluene 0.200 0.5 U μg/L 1 04/12/2012 21:09

 trans-1,2-Dichloroethene 0.500 1.0 U μg/L 1 04/12/2012 21:09

 Trichloroethene 0.200 0.5 U μg/L 1 04/12/2012 21:09

 Vinyl Chloride 0.200 0.5 U μg/L 1 04/12/2012 21:09

 1,3-Dichloropropylene 0.200 0.5 U μg/L 1 04/12/2012 21:09

 TIC: None detected NA 3.0 U 1 04/12/2012 21:09

Volatile Organic Compounds EPA 624 Analyst: SJM

 Acrolein 2.00 5.00 U μg/L 1 04/12/2012 21:09

 Acrylonitrile 0.500 1.00 U μg/L 1 04/12/2012 21:09

Indicator Organic Parameters EPA 1664 Analyst: AMS

 Oil & Grease 2.06 5 U mg/L 1.03 04/17/2012 14:38

Indicator Organic Parameters SM 20 5310-C Analyst: ACG

 Total Organic Carbon 1.8 0.5 mg/L 1 04/13/2012 13:25

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204522 Day 2

Project: Permit Renewal Sampled By: Client

Lab ID: G1204522-001 Collection Date: 04/11/2012 10:30

Matrix: Aqueous Received Date: 04/11/2012 18:12

Analyses Result QL Q Units DF Date Analyzed

Page 7 of 7
No problems were encountered during analysis of this workorder, except if noted in this report.

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION

Project: Permit Renewal CASE NARRATIVE

Lab Order: G1204596

Legend: ND - Not Detected at the Quantitation Limit S - Spike Recovery outside accepted recovery limits

J - Indicates an estimated value R - RPD outside accepted recovery limits

U - The analyte was not detected at or above the listed E - Value above quantitation range

concentration, which is below the laboratory quantitation limit ** - Value exceeds Action Limit

B - Analyte detected in the associated Method Blank H - Method Hold Time Exceeded

Q - Qualifier QL - Quantitation Limit DF - Dilution Factor MCL - Contaminant Limit

Page 1 of 7
Inorganic Non-Metals SM 2540 C Analyst: KLS

 Total dissolved solids 24900 100 mg/L 5 04/13/2012 08:58

Physical Tests SM 2540D Analyst: KLS

 Total suspended solids 4 1 mg/L 1 04/19/2012 12:02

Indicator Organic Parameters SM 5210 B Analyst: MMR

 BOD 5-day 1 2 J mg/L 1.5 04/13/2012 12:40

 Finish Date/Time 4/18/2012

12:20 0 mg/L 1.5 04/13/2012 12:40

Inorganic Non Metals SM 4500-CNI Analyst: SAG

 Cyanide, free 5.00 10 U μg/L 1 04/17/2012 10:59

Inorganic Non Metals SM 4500-CN-C&E Analyst: MLR

 Cyanide, total 5.0 10 U μg/L 1 04/17/2012 14:49

Indicator Organic Parameters HACH 8000 Analyst: SEM

 Chemical Oxygen Demand 640 50 mg/L 5 04/13/2012 17:30

Physical Tests SM 2120C Analyst: SAG

 Color 10 10 U Color Units 1 04/12/2012 18:55

Inorganic Non Metals USGS I-1230-85 Analyst: SAG

 Hexavalent Chromium 10.0 20 U μg/L 1 04/12/2012 19:20

Inorganic Non-Metals EPA 300.0 Analyst: CAS

 Nitrate - Nitrite 20.6 0.50 mg/L as N 10 04/13/2012 00:49

Inorganic Non-Metals EPA 300.0 Analyst: CAS

 Bromide 119 5.0 mg/L 25 04/17/2012 13:06

 Fluoride 3.7 1.0 mg/L 10 04/13/2012 00:49

 Sulfate 914 20 mg/L 10 04/13/2012 00:49

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204596 Day 3

Project: Permit Renewal Sampled By: Client

Lab ID: G1204596-001 Collection Date: 04/12/2012 10:00

Matrix: Aqueous Received Date: 04/12/2012 17:38

Analyses Result QL Q Units DF Date Analyzed

Page 2 of 7
Inorganic Non-Metals SM 5540C Analyst: CAS

 MBAS 2.1 0.50 mg/L as

LAS 10 04/13/2012 08:15

Inorganic Non-Metals EPA 350.1 Analyst: SLY

 Ammonia Nitrogen - Distilled 5.01 0.20 mg/L as N 2 04/18/2012 11:17

Inorganic Non-Metals SM 4500-P B.5 E Analyst: SEM

 Phosphorus, total 0.5 2.0 J mg/L as P 20 04/17/2012 13:32

Indicator Organic Parameters EPA 420.1 Analyst: MLR

 Phenolics 50.0 100 U μg/L 5 04/19/2012 14:46

Inorganic Non Metals SM 4500 S D Analyst: MMR

 Sulfide 0.050 0.1 U mg/L 1 04/13/2012 04:50

Inorganic Non Metals SM 4500-SO3 B Analyst: SAG

 Lab Sulfite 2.0 2.0 U mg/L 1 04/12/2012 19:10

Inorganic Non-Metals EPA 351.2 Analyst: SLY

 Total Kjeldahl Nitrogen 19.3 2.0 mg/L as N 2 04/25/2012 08:57

Inorganic Metals SM 3112B Analyst: JEK

 Mercury 0.10 0.20 U μg/L 1 04/17/2012 10:06

Trivalent Chromium ug/L EPA 200.7/I-1230-85 Analyst: LAN

 Trivalent Chromium 10.0 20.0 U μg/L 1 04/27/2012 00:00

Inorganic Metals EPA 200.7 Analyst: GMG

 Iron, dissolved 38 50 J μg/L 1 04/18/2012 06:42

Inorganic Metals EPA 200.7 Analyst: MBG

 Aluminum 50.0 100 U μg/L 1 04/17/2012 04:52

 Antimony 13 20.0 J μg/L 1 04/17/2012 04:52

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204596 Day 3

Project: Permit Renewal Sampled By: Client

Lab ID: G1204596-001 Collection Date: 04/12/2012 10:00

Matrix: Aqueous Received Date: 04/12/2012 17:38

Analyses Result QL Q Units DF Date Analyzed

Page 3 of 7
 Arsenic 10.0 20.0 U μg/L 1 04/17/2012 04:52

 Barium 190 10.0 μg/L 1 04/17/2012 04:52

 Beryllium 0.500 1.00 U μg/L 1 04/17/2012 04:52

 Boron 217000 2500 μg/L 50 04/17/2012 12:57

 Cadmium 1.1 2.00 J μg/L 1 04/17/2012 04:52

 Calcium 5260000 2500 μg/L 25 04/17/2012 13:01

 Chromium 5.00 10.0 U μg/L 1 04/17/2012 04:52

 Cobalt 2.00 5.00 U μg/L 1 04/17/2012 04:52

 Copper 5.00 10.0 U μg/L 1 04/17/2012 04:52

 Iron 56.1 50.0 μg/L 1 04/17/2012 04:52

 Lead 10.0 20.0 U μg/L 1 04/17/2012 04:52

 Magnesium 1900000 2500 μg/L 25 04/17/2012 13:01

 Manganese 19300 10.0 μg/L 1 04/17/2012 04:52

 Molybdenum 31.8 20.0 μg/L 1 04/17/2012 04:52

 Nickel 17.2 10.0 μg/L 1 04/17/2012 04:52

 Selenium 115 20.0 μg/L 1 04/17/2012 04:52

 Silver 2.00 5.00 U μg/L 1 04/17/2012 04:52

 Thallium 15 20.0 J μg/L 1 04/17/2012 04:52

 Tin 50.0 100 U μg/L 1 04/17/2012 04:52

 Titanium 26.9 5.00 μg/L 1 04/17/2012 04:52

 Zinc 4.00 10.0 U μg/L 1 04/17/2012 04:52

 Hardness (SM 2340B) 21000000 25000 μg/L 25 04/17/2012 13:01

Semi-Volatile Compounds EPA 625 Analyst: JB

 1,2,4-Trichlorobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 1,2-Dichlorobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 1,3-Dichlorobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 1,4-Dichlorobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 2,4,6-Trichlorophenol 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 2,4-Dichlorophenol 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 2,4-Dimethylphenol 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 2,4-Dinitrophenol 4.8 48 U μg/L 0.95 04/20/2012 19:40

 2,4-Dinitrotoluene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 2,6-Dinitrotoluene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 2-Chloro-Naphthalene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204596 Day 3

Project: Permit Renewal Sampled By: Client

Lab ID: G1204596-001 Collection Date: 04/12/2012 10:00

Matrix: Aqueous Received Date: 04/12/2012 17:38

Analyses Result QL Q Units DF Date Analyzed

Page 4 of 7
 2-Chlorophenol 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 2-Methyl-4,6-dinitrophenol 4.8 48 U μg/L 0.95 04/20/2012 19:40

 2-Nitrophenol 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 3,3-Dichlorobenzidine 4.8 48 U μg/L 0.95 04/20/2012 19:40

 4-Bromophenylphenylether 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 4-Chloro-3-methylphenol 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 4-Chlorophenylphenylether 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 4-Nitrophenol 4.8 48 U μg/L 0.95 04/20/2012 19:40

 Acenaphthene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Acenaphthylene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Anthracene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Azobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Benzidine 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Benzo(a)anthracene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Benzo(a)pyrene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Benzo(b)fluoranthene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Benzo(g,h,i)perylene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Benzo(k)fluoranthene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 bis(2-Chloroethoxy)methane 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 bis(2-Chloroethyl)ether 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 bis(2-Chloroisopropyl)ether 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 bis(2-Ethylhexyl)phthalate 1.9 4.8 U μg/L 0.95 04/20/2012 19:40

 Butyl benzylphthalate 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Chrysene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Di-N-Butyl Phthalate 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Di-N-Octylphthalate 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Di-n-propylnitrosamine 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Dibenzo(a,h)anthracene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Diethyl Phthalate 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Dimethyl Phthalate 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Fluoranthene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Fluorene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Hexachlorobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Hexachlorobutadiene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Hexachlorocyclopentadiene 4.8 48 U μg/L 0.95 04/20/2012 19:40

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204596 Day 3

Project: Permit Renewal Sampled By: Client

Lab ID: G1204596-001 Collection Date: 04/12/2012 10:00

Matrix: Aqueous Received Date: 04/12/2012 17:38

Analyses Result QL Q Units DF Date Analyzed

Page 5 of 7
 Hexachloroethane 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Indeno(1,2,3-cd)pyrene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Isophorone 1.9 4.8 U μg/L 0.95 04/20/2012 19:40

 n-Nitrosodimethylamine 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 n-Nitrosodiphenylamine 9.5 19 U μg/L 0.95 04/20/2012 19:40

 Naphthalene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Nitrobenzene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Pentachlorophenol 4.8 48 U μg/L 0.95 04/20/2012 19:40

 Phenanthrene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Phenol 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 Pyrene 4.8 9.5 U μg/L 0.95 04/20/2012 19:40

 TIC: 1H-Imidazole, 4-methyl-5-nitro- NA 3.8 U μg/L 0.95 04/20/2012 19:40

 TIC: 2-[2-[2-[2-[2-(2-Methoxyethoxy)ethoxy] NA 3.8 U μg/L 0.95 04/20/2012 19:40

 TIC: 2H-Azepin-2-one, hexahydro-6-methyl- NA 3.8 U μg/L 0.95 04/20/2012 19:40

 TIC: 4-Heptanol, 2,4-dimethyl- NA 3.8 U μg/L 0.95 04/20/2012 19:40

 TIC: 4-Heptanol, 4-methyl- NA 3.8 U μg/L 0.95 04/20/2012 19:40

 TIC: Chloroiodomethane NA 3.8 U μg/L 0.95 04/20/2012 19:40

 TIC: Methane, bromodichloro- NA 3.8 U μg/L 0.95 04/20/2012 19:40

 TIC: Pentane, 1-chloro-5-iodo- NA 3.8 U μg/L 0.95 04/20/2012 19:40

Volatile Organic Compounds EPA 624 Analyst: SJM

 1,1,1-Trichloroethane 0.200 0.5 U μg/L 1 04/14/2012 08:34

 1,1,2,2-Tetrachloroethane 0.200 0.5 U μg/L 1 04/14/2012 08:34

 1,1,2-Trichloroethane 0.500 1.0 U μg/L 1 04/14/2012 08:34

 1,1-Dichloroethane 0.200 0.5 U μg/L 1 04/14/2012 08:34

 1,1-Dichloroethene 0.200 0.5 U μg/L 1 04/14/2012 08:34

 1,2-Dichloroethane 0.200 0.5 U μg/L 1 04/14/2012 08:34

 1,2-Dichloropropane 0.200 0.5 U μg/L 1 04/14/2012 08:34

 2-Chloroethylvinyl ether 0.500 1.0 U μg/L 1 04/14/2012 08:34

 Benzene 0.200 0.5 U μg/L 1 04/14/2012 08:34

 Bromoform 0.200 0.5 U μg/L 1 04/14/2012 08:34

 Bromomethane 0.500 1.0 U μg/L 1 04/14/2012 08:34

 Carbon Tetrachloride 0.200 0.5 U μg/L 1 04/14/2012 08:34

 Chlorobenzene 0.200 0.5 U μg/L 1 04/14/2012 08:34

 Chlorodibromomethane 0.400 1.0 U μg/L 1 04/14/2012 08:34

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204596 Day 3

Project: Permit Renewal Sampled By: Client

Lab ID: G1204596-001 Collection Date: 04/12/2012 10:00

Matrix: Aqueous Received Date: 04/12/2012 17:38

Analyses Result QL Q Units DF Date Analyzed

Page 6 of 7
 Chloroethane 0.200 0.5 U μg/L 1 04/14/2012 08:34

 Chloroform 0.3 0.5 J μg/L 1 04/14/2012 08:34

 Chloromethane 0.200 0.5 U μg/L 1 04/14/2012 08:34

 Dichlorobromomethane 0.200 0.5 U μg/L 1 04/14/2012 08:34

 Ethylbenzene 0.200 0.5 U μg/L 1 04/14/2012 08:34

 Methylene Chloride 0.200 0.5 U μg/L 1 04/14/2012 08:34

 Tetrachloroethene 0.200 0.5 U μg/L 1 04/14/2012 08:34

 Toluene 0.200 0.5 U μg/L 1 04/14/2012 08:34

 trans-1,2-Dichloroethene 0.500 1.0 U μg/L 1 04/14/2012 08:34

 Trichloroethene 0.200 0.5 U μg/L 1 04/14/2012 08:34

 Vinyl Chloride 0.200 0.5 U μg/L 1 04/14/2012 08:34

 1,3-Dichloropropylene 0.200 0.5 U μg/L 1 04/14/2012 08:34

 TIC: None detected NA 3.0 U 1 04/14/2012 08:34

Volatile Organic Compounds EPA 624 Analyst: SJM

 Acrolein 2.00 5.00 U μg/L 1 04/14/2012 08:34

 Acrylonitrile 0.500 1.00 U μg/L 1 04/14/2012 08:34

Indicator Organic Parameters EPA 1664 Analyst: JDH

 Oil & Grease 2.13 5 U mg/L 1.06 04/18/2012 14:09

Indicator Organic Parameters SM 20 5310-C Analyst: ACG

 Total Organic Carbon 1.8 0.5 mg/L 1 04/18/2012 18:40

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: 101 Eff

Lab Order: G1204596 Day 3

Project: Permit Renewal Sampled By: Client

Lab ID: G1204596-001 Collection Date: 04/12/2012 10:00

Matrix: Aqueous Received Date: 04/12/2012 17:38

Analyses Result QL Q Units DF Date Analyzed

Page 7 of 7
Tuesday, May 01, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1204709

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 4/17/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 01-May-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1204709

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 4/17/2012 8:55:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1204709

Lab ID: G1204709-001

DF

Geochemical Testing Date: 01-May-12

Received Date: 4/17/2012 5:42:06 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 7 1 mg/L 1 10 4/18/2012 2:11:28 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26900 100 mg/L 5 0 4/18/2012 2:11:08 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 4/18/2012 9:15:00 AM

Finish Date/Time 4/23/2012 09:00 0 mg/L 1.5 0 4/18/2012 9:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14700 1000 mg/L 200 0 4/18/2012 11:16:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/18/2012 7:18:34 PM

Selenium, dissolved 0.11 0.02 mg/L 1 0 4/18/2012 7:18:34 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 4/20/2012 8:32:18 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 4/18/2012 9:59:56 PM

Arsenic < 0.02 0.02 mg/L 1 0 4/18/2012 9:59:56 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 4/18/2012 9:59:56 PM

Boron 232 0.05 mg/L 1 0 4/18/2012 9:59:56 PM

Cadmium < 0.002 0.002 mg/L 1 0 4/18/2012 9:59:56 PM

Chromium < 0.01 0.01 mg/L 1 0 4/18/2012 9:59:56 PM

Copper < 0.01 0.01 mg/L 1 0.1 4/18/2012 9:59:56 PM

Iron < 0.05 0.05 mg/L 1 0 4/18/2012 9:59:56 PM

Lead < 0.02 0.02 mg/L 1 0.1 4/18/2012 9:59:56 PM

Manganese 18.4 0.01 mg/L 1 0 4/18/2012 9:59:56 PM

Nickel < 0.01 0.01 mg/L 1 0 4/18/2012 9:59:56 PM

Selenium 0.10 0.02 mg/L 1 3.4 4/18/2012 9:59:56 PM

Silver < 0.005 0.005 mg/L 1 0.1 4/19/2012 3:32:00 PM

Zinc < 0.01 0.01 mg/L 1 0 4/18/2012 9:59:56 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 4/27/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: JDH

Oil & Grease < 5 5 mg/L 1 15 4/20/2012 7:16:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 4/17/2012 8:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1204709

Lab ID: G1204709-002

DF

Geochemical Testing Date: 01-May-12

Received Date: 4/17/2012 5:42:06 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 35000 200 mg/L 10 0 4/18/2012 2:11:07 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 900 100 mg/L 20 0 4/18/2012 2:11:28 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 8 3 mg/L 3 0 4/18/2012 9:15:00 AM

Finish Date/Time 4/23/2012 09:00 0 mg/L 3 4/18/2012 9:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15100 1000 mg/L 200 0 4/18/2012 11:16:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: SEM

Hexavalent Chromium 0.020 0.020 mg/L 1 0 4/17/2012 6:50:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/18/2012 7:21:17 PM

Selenium, dissolved 0.43 0.02 mg/L 1 0 4/18/2012 7:21:17 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.10 0.10 mg/L 500 0 4/20/2012 8:38:59 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 18.6 1.0 mg/L 1 0 4/24/2012 11:19:00 AM

Arsenic < 0.20 0.20 mg/L 1 0 4/24/2012 11:19:00 AM

Beryllium < 0.010 0.010 mg/L 1 0 4/24/2012 11:19:00 AM

Boron 332 5.00 mg/L 10 0 4/24/2012 3:51:39 PM

Cadmium 0.062 0.020 mg/L 1 0 4/24/2012 11:19:00 AM

Chromium 0.11 0.10 mg/L 1 0 4/24/2012 11:19:00 AM

Copper < 0.10 0.10 mg/L 1 0 4/24/2012 11:19:00 AM

Iron 98.2 0.50 mg/L 1 0 4/24/2012 11:19:00 AM

Lead < 0.20 0.20 mg/L 1 0 4/24/2012 11:19:00 AM

Manganese 333 0.10 mg/L 1 0 4/24/2012 11:19:00 AM

Nickel 2.18 0.10 mg/L 1 0 4/24/2012 11:19:00 AM

Selenium 0.92 0.20 mg/L 1 0 4/24/2012 11:19:00 AM

Silver < 0.050 0.050 mg/L 1 0 4/24/2012 11:19:00 AM

Zinc 0.21 0.10 mg/L 1 0 4/24/2012 6:32:47 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.09 0.02 mg/L 1 0 4/27/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: JDH

Oil & Grease < 25 25 mg/L 5 0 4/20/2012 7:17:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Page 1 of 4

Wednesday, May 09, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1204A37

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 4/25/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Tim othy W .Bergstresser

DirectorofTechnicalServices
Page 2 of 4

Geochemical Testin Date: 09-May-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1204A37

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit
Page 3 of 4

Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 4/25/2012 7:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1204A37

Lab ID: G1204A37-001

DF

Geochemical Testing Date: 09-May-12

Received Date: 4/25/2012 6:20:22 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2 1 mg/L 1 10 4/26/2012 9:10:14 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23700 100 mg/L 5 0 4/26/2012 9:08:49 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 4/26/2012 8:30:00 AM

Finish Date/Time 5/1/2012 08:25 0 mg/L 1.5 0 4/26/2012 8:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 11900 1000 mg/L 200 0 4/27/2012 2:32:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/27/2012 11:29:00 PM

Selenium, dissolved 0.12 0.02 mg/L 1 0 4/27/2012 11:29:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 4/26/2012 1:47:31 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 4/28/2012 12:45:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 4/28/2012 12:45:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 4/28/2012 12:45:00 AM

Boron 234 2.50 mg/L 50 0 4/30/2012 3:00:09 PM

Cadmium 0.002 0.002 mg/L 1 0 4/28/2012 12:45:00 AM

Chromium < 0.01 0.01 mg/L 1 0 4/28/2012 12:45:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 4/28/2012 12:45:00 AM

Iron < 0.05 0.05 mg/L 1 0 4/28/2012 12:45:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 4/28/2012 12:45:00 AM

Manganese 23.2 0.01 mg/L 1 0 4/28/2012 12:45:00 AM

Nickel 0.01 0.01 mg/L 1 0 4/28/2012 12:45:00 AM

Selenium 0.11 0.02 mg/L 1 3.4 4/28/2012 12:45:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 4/28/2012 12:45:00 AM

Zinc < 0.01 0.01 mg/L 1 0 4/28/2012 12:45:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 5/8/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 5 5 mg/L 1 15 4/27/2012 1:52:00 PM

I.D. 56-00306 PA DEP
Page 4 of 4

Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 4/25/2012 7:10:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1204A37

Lab ID: G1204A37-002

DF

Geochemical Testing Date: 09-May-12

Received Date: 4/25/2012 6:20:22 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 32700 200 mg/L 10 0 4/26/2012 9:08:50 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 32600 100 mg/L 20 0 4/26/2012 9:10:15 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 21 6 mg/L 6 0 4/26/2012 8:30:00 AM

Finish Date/Time 5/1/2012 08:25 0 mg/L 6 4/26/2012 8:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14200 1000 mg/L 200 0 4/27/2012 2:32:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: KMW

Hexavalent Chromium 0.020 0.020 mg/L 1 0 4/25/2012 6:45:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/27/2012 11:53:00 PM

Selenium, dissolved 0.25 0.02 mg/L 1 0 4/27/2012 11:53:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.89 0.10 mg/L 500 0 4/26/2012 1:49:46 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 553 1.0 mg/L 1 0 4/26/2012 4:44:06 PM

Arsenic 2.23 0.20 mg/L 1 0 4/26/2012 4:44:06 PM

Beryllium 0.067 0.010 mg/L 1 0 4/26/2012 4:44:06 PM

Boron 354 5.00 mg/L 10 0 4/27/2012 6:00:00 PM

Cadmium < 0.020 0.020 mg/L 1 0 4/26/2012 4:44:06 PM

Chromium 2.37 0.10 mg/L 1 0 4/26/2012 4:44:06 PM

Copper 1.98 0.10 mg/L 1 0 4/26/2012 4:44:06 PM

Iron 2460 0.50 mg/L 1 0 4/26/2012 4:44:06 PM

Lead 0.89 0.20 mg/L 1 0 4/26/2012 4:44:06 PM

Manganese 291 0.10 mg/L 1 0 4/26/2012 4:44:06 PM

Nickel 4.58 0.10 mg/L 1 0 4/26/2012 4:44:06 PM

Selenium 4.51 0.20 mg/L 1 0 4/26/2012 4:44:06 PM

Silver < 0.050 0.050 mg/L 1 0 4/26/2012 4:44:06 PM

Zinc 5.34 0.10 mg/L 1 0 4/26/2012 4:44:06 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.35 0.02 mg/L 1 0 5/8/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 22 22 mg/L 4.35 0 4/27/2012 1:53:00 PM

NOTES:

The pH of the sample was >2.

I.D. 56-00306 PA DEP
Page 1 of 4

Wednesday, May 09, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1205064

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 5/1/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Tim othy W .Bergstresser

DirectorofTechnicalServices
Page 2 of 4

Geochemical Testin Date: 09-May-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1205064

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit
Page 3 of 4

Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 5/1/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1205064

Lab ID: G1205064-001

DF

Geochemical Testing Date: 09-May-12

Received Date: 5/1/2012 5:08:07 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3 1 mg/L 1 10 5/2/2012 9:04:03 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25700 100 mg/L 5 0 5/2/2012 9:03:29 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 5/2/2012 9:45:00 AM

Finish Date/Time 5/7/2012 09:05 0 mg/L 1.5 0 5/2/2012 9:45:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 13800 1000 mg/L 200 0 5/2/2012 5:00:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/4/2012 3:57:00 AM

Selenium, dissolved 0.13 0.02 mg/L 1 0 5/4/2012 3:57:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 5/3/2012 12:27:16 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 5/4/2012 5:13:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 5/4/2012 5:13:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 5/4/2012 5:13:00 AM

Boron 229 2.50 mg/L 50 0 5/4/2012 2:52:23 PM

Cadmium < 0.002 0.002 mg/L 1 0 5/4/2012 5:13:00 AM

Chromium < 0.01 0.01 mg/L 1 0 5/4/2012 5:13:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 5/4/2012 5:13:00 AM

Iron < 0.05 0.05 mg/L 1 0 5/4/2012 5:13:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 5/4/2012 5:13:00 AM

Manganese 20.0 0.01 mg/L 1 0 5/4/2012 5:13:00 AM

Nickel 0.02 0.01 mg/L 1 0 5/4/2012 5:13:00 AM

Selenium 0.14 0.02 mg/L 1 3.4 5/4/2012 5:13:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 5/4/2012 5:13:00 AM

Zinc < 0.01 0.01 mg/L 1 0 5/4/2012 5:13:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 5/8/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 5 5 mg/L 1.01 15 5/3/2012 1:42:00 PM

I.D. 56-00306 PA DEP
Page 4 of 4

Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 5/1/2012 9:40:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1205064

Lab ID: G1205064-002

DF

Geochemical Testing Date: 09-May-12

Received Date: 5/1/2012 5:08:07 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 34300 200 mg/L 10 0 5/2/2012 9:03:29 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 21800 100 mg/L 20 0 5/2/2012 9:04:06 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 38 6 mg/L 6 0 5/2/2012 9:45:00 AM

Finish Date/Time 5/7/2012 09:05 0 mg/L 6 5/2/2012 9:45:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15000 1000 mg/L 200 0 5/2/2012 5:00:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: SAG

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 5/1/2012 6:00:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/4/2012 4:05:00 AM

Selenium, dissolved 0.29 0.02 mg/L 1 0 5/4/2012 4:05:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.95 0.10 mg/L 500 0 5/3/2012 12:29:35 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 471 1.0 mg/L 1 0 5/4/2012 11:09:19 PM

Arsenic 2.03 0.20 mg/L 1 0 5/4/2012 11:09:19 PM

Beryllium 0.056 0.010 mg/L 1 0 5/4/2012 11:09:19 PM

Boron 337 5.00 mg/L 10 0 5/7/2012 5:36:00 PM

Cadmium 0.023 0.020 mg/L 1 0 5/4/2012 11:09:19 PM

Chromium 2.17 0.10 mg/L 1 0 5/4/2012 11:09:19 PM

Copper 2.06 0.10 mg/L 1 0 5/4/2012 11:09:19 PM

Iron 2470 5.00 mg/L 10 0 5/7/2012 5:36:00 PM

Lead 0.68 0.20 mg/L 1 0 5/4/2012 11:09:19 PM

Manganese 289 0.10 mg/L 1 0 5/4/2012 11:09:19 PM

Nickel 4.21 0.10 mg/L 1 0 5/4/2012 11:09:19 PM

Selenium 4.17 0.20 mg/L 1 0 5/4/2012 11:09:19 PM

Silver < 0.050 0.050 mg/L 1 0 5/4/2012 11:09:19 PM

Zinc 4.52 0.10 mg/L 1 0 5/4/2012 11:09:19 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.16 0.02 mg/L 1 0 5/8/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 20 20 mg/L 4 0 5/3/2012 1:42:00 PM

I.D. 56-00306 PA DEP
Thursday, May 17, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1205428

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 5/8/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 17-May-12 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1205428

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 5/8/2012 10:40:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1205428

Lab ID: G1205428-001

DF

Geochemical Testing Date: 17-May-12

Received Date: 5/8/2012 6:25:43 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 5/9/2012 8:46:28 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24400 100 mg/L 5 0 5/9/2012 8:46:10 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 5/9/2012 10:30:00 AM

Finish Date/Time 5/14/2012 10:05 0 mg/L 1.5 0 5/9/2012 10:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14300 1000 mg/L 200 0 5/9/2012 5:49:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/10/2012 10:02:34 PM

Selenium, dissolved 0.13 0.02 mg/L 1 0 5/15/2012 1:14:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 5/10/2012 3:20:16 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 2.4 0.1 mg/L 1 0 5/10/2012 10:05:17 PM

Arsenic < 0.02 0.02 mg/L 1 0 5/10/2012 10:05:17 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 5/10/2012 10:05:17 PM

Boron 266 2.50 mg/L 50 0 5/11/2012 4:13:25 PM

Cadmium 0.002 0.002 mg/L 1 0 5/10/2012 10:05:17 PM

Chromium < 0.01 0.01 mg/L 1 0 5/10/2012 10:05:17 PM

Copper < 0.01 0.01 mg/L 1 0.1 5/10/2012 10:05:17 PM

Iron < 0.05 0.05 mg/L 1 0 5/10/2012 10:05:17 PM

Lead < 0.02 0.02 mg/L 1 0.1 5/10/2012 10:05:17 PM

Manganese 13.0 0.01 mg/L 1 0 5/10/2012 10:05:17 PM

Nickel < 0.01 0.01 mg/L 1 0 5/10/2012 10:05:17 PM

Selenium 0.13 0.02 mg/L 1 3.4 5/15/2012 1:23:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 5/15/2012 1:23:00 AM

Zinc < 0.01 0.01 mg/L 1 0 5/10/2012 10:05:17 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 5/15/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 5 5 mg/L 1 15 5/9/2012 2:56:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 5/8/2012 10:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1205428

Lab ID: G1205428-002

DF

Geochemical Testing Date: 17-May-12

Received Date: 5/8/2012 6:25:43 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 32300 200 mg/L 10 0 5/9/2012 8:46:10 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 11500 100 mg/L 20 0 5/9/2012 8:46:26 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 29 3 mg/L 3 0 5/9/2012 10:30:00 AM

Finish Date/Time 5/14/2012 10:05 0 mg/L 3 0 5/9/2012 10:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 17800 1000 mg/L 200 0 5/9/2012 5:49:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.25 0.25 mg/L 5 0 5/15/2012 6:25:15 PM

Selenium, dissolved 0.41 0.10 mg/L 5 0 5/15/2012 6:25:15 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.40 0.10 mg/L 500 0 5/10/2012 3:22:30 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 162 1.0 mg/L 1 0 5/12/2012 12:55:07 AM

Arsenic 1.09 0.20 mg/L 1 0 5/12/2012 12:55:07 AM

Beryllium 0.025 0.010 mg/L 1 0 5/12/2012 12:55:07 AM

Boron 375 5.00 mg/L 10 0 5/14/2012 11:07:00 PM

Cadmium 0.036 0.020 mg/L 1 0 5/12/2012 12:55:07 AM

Chromium 1.01 0.10 mg/L 1 0 5/12/2012 12:55:07 AM

Copper 0.97 0.10 mg/L 1 0 5/12/2012 12:55:07 AM

Iron 1040 0.50 mg/L 1 0 5/12/2012 12:55:07 AM

Lead 0.32 0.20 mg/L 1 0 5/12/2012 12:55:07 AM

Manganese 331 0.10 mg/L 1 0 5/12/2012 12:55:07 AM

Nickel 2.81 0.10 mg/L 1 0 5/12/2012 12:55:07 AM

Selenium 2.25 0.20 mg/L 1 0 5/12/2012 12:55:07 AM

Silver < 0.050 0.050 mg/L 1 0 5/12/2012 12:55:07 AM

Zinc 2.09 0.10 mg/L 1 0 5/12/2012 12:55:07 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.96 0.02 mg/L 1 0 5/15/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 20 20 mg/L 4 0 5/10/2012 12:57:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Thursday, May 24, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1205714

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 5/15/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 24-May-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1205714

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 5/15/2012 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1205714

Lab ID: G1205714-001

DF

Geochemical Testing Date: 24-May-12

Received Date: 5/15/2012 5:50:42 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 6 1 mg/L 1 10 5/16/2012 2:47:47 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27700 100 mg/L 5 0 5/16/2012 2:54:09 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 5/16/2012 7:50:00 AM

Finish Date/Time 5/21/2012 08:30 0 mg/L 1.5 0 5/16/2012 7:50:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14700 1000 mg/L 200 0 5/16/2012 11:15:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/17/2012 9:06:00 PM

Selenium, dissolved 0.11 0.02 mg/L 1 0 5/17/2012 9:06:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 5/17/2012 12:55:37 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.2 0.2 mg/L 2 0 5/18/2012 5:15:00 PM

Arsenic < 0.04 0.04 mg/L 2 0 5/18/2012 5:15:00 PM

Beryllium < 0.002 0.002 mg/L 2 0.8 5/18/2012 5:15:00 PM

Boron 266 2.50 mg/L 50 0 5/18/2012 1:57:00 PM

Cadmium 0.002 0.002 mg/L 1 0 5/17/2012 9:14:00 PM

Chromium < 0.02 0.02 mg/L 2 0 5/18/2012 5:15:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 5/17/2012 9:14:00 PM

Iron < 0.05 0.05 mg/L 1 0 5/17/2012 9:14:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 5/22/2012 5:29:08 PM

Manganese 19.1 0.01 mg/L 1 0 5/17/2012 9:14:00 PM

Nickel 0.01 0.01 mg/L 1 0 5/17/2012 9:14:00 PM

Selenium 0.11 0.02 mg/L 1 3.4 5/17/2012 9:14:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 5/17/2012 9:14:00 PM

Zinc < 0.01 0.01 mg/L 1 0 5/17/2012 9:14:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 5/21/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 5 5 mg/L 1.02 15 5/17/2012 3:09:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 5/15/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1205714

Lab ID: G1205714-002

DF

Geochemical Testing Date: 24-May-12

Received Date: 5/15/2012 5:50:42 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 36700 200 mg/L 10 0 5/16/2012 2:54:10 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 9560 100 mg/L 20 0 5/16/2012 2:47:48 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 25 3 mg/L 3 0 5/16/2012 9:00:00 AM

Finish Date/Time 5/21/2012 10:00 0 mg/L 3 5/16/2012 9:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 17300 1000 mg/L 200 0 5/16/2012 11:15:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: KMW

Hexavalent Chromium 0.057 0.020 mg/L 1 0 5/15/2012 6:50:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/17/2012 9:22:00 PM

Selenium, dissolved 0.58 0.02 mg/L 1 0 5/17/2012 9:22:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.25 0.10 mg/L 500 0 5/17/2012 12:57:46 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 150 1.0 mg/L 1 0 5/18/2012 5:26:00 AM

Arsenic 1.07 0.20 mg/L 1 0 5/18/2012 5:26:00 AM

Beryllium 0.022 0.010 mg/L 1 0 5/18/2012 5:26:00 AM

Boron 358 5.00 mg/L 10 0 5/18/2012 2:55:00 PM

Cadmium 0.069 0.020 mg/L 1 0 5/18/2012 5:26:00 AM

Chromium 0.80 0.10 mg/L 1 0 5/18/2012 5:26:00 AM

Copper 0.52 0.10 mg/L 1 0 5/18/2012 5:26:00 AM

Iron 870 0.50 mg/L 1 0 5/18/2012 5:26:00 AM

Lead 0.41 0.20 mg/L 1 0 5/18/2012 5:26:00 AM

Manganese 329 0.10 mg/L 1 0 5/18/2012 5:26:00 AM

Nickel 2.89 0.10 mg/L 1 0 5/18/2012 5:26:00 AM

Selenium 2.31 0.20 mg/L 1 0 5/18/2012 5:26:00 AM

Silver < 0.050 0.050 mg/L 1 0 5/18/2012 5:26:00 AM

Zinc 1.96 0.10 mg/L 1 0 5/18/2012 5:26:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.74 0.02 mg/L 1 0 5/21/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 19 19 mg/L 3.7 0 5/17/2012 3:16:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, June 05, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1205B20

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 5/23/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 05-Jun-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1205B20

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 5/23/2012 12:45:00 PM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1205B20

Lab ID: G1205B20-001

DF

Geochemical Testing Date: 05-Jun-12

Received Date: 5/23/2012 7:13:00 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 4 1 mg/L 1.25 10 5/25/2012 3:46:40 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26000 100 mg/L 5 0 5/24/2012 7:20:19 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 5/24/2012 10:45:00 AM

Finish Date/Time 5/29/2012 10:05 0 mg/L 1.5 0 5/24/2012 10:45:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14300 1000 mg/L 200 0 5/29/2012 4:36:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/30/2012 1:52:00 AM

Selenium, dissolved 0.14 0.02 mg/L 1 0 5/25/2012 5:46:54 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 5/24/2012 3:52:45 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 1.0 1.0 mg/L 10 0 5/29/2012 3:24:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 5/25/2012 5:49:32 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 5/25/2012 5:49:32 PM

Boron 250 2.50 mg/L 50 0 5/29/2012 3:20:00 PM

Cadmium 0.003 0.002 mg/L 1 0 5/25/2012 5:49:32 PM

Chromium < 0.01 0.01 mg/L 1 0 5/25/2012 5:49:32 PM

Copper 0.01 0.01 mg/L 1 0.1 5/25/2012 5:49:32 PM

Iron < 0.05 0.05 mg/L 1 0 5/25/2012 5:49:32 PM

Lead < 0.02 0.02 mg/L 1 0.1 5/30/2012 2:00:00 AM

Manganese 16.9 0.01 mg/L 1 0 5/25/2012 5:49:32 PM

Nickel < 0.01 0.01 mg/L 1 0 5/25/2012 5:49:32 PM

Selenium 0.14 0.02 mg/L 1 3.4 5/25/2012 5:49:32 PM

Silver < 0.005 0.005 mg/L 1 0.1 5/25/2012 5:49:32 PM

Zinc < 0.01 0.01 mg/L 1 0 5/30/2012 2:00:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 6/1/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.06 15 5/31/2012 9:33:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 5/23/2012 12:30:00 PM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1205B20

Lab ID: G1205B20-002

DF

Geochemical Testing Date: 05-Jun-12

Received Date: 5/23/2012 7:13:00 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 31000 200 mg/L 10 0 5/24/2012 7:20:19 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 21500 100 mg/L 20 0 5/24/2012 7:20:33 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 20 3 mg/L 3 0 5/24/2012 10:45:00 AM

Finish Date/Time 5/29/2012 10:05 0 mg/L 3 5/24/2012 10:45:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 16700 1000 mg/L 200 0 5/29/2012 4:36:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: MLS

Hexavalent Chromium 0.024 0.020 mg/L 1 0 5/23/2012 7:50:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/31/2012 9:45:00 AM

Selenium, dissolved 0.05 0.02 mg/L 1 0 5/31/2012 9:45:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.64 0.10 mg/L 500 0 5/24/2012 3:55:01 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 338 1.0 mg/L 1 0 5/30/2012 2:44:00 PM

Arsenic 2.19 0.20 mg/L 1 0 5/30/2012 2:44:00 PM

Beryllium 0.061 0.010 mg/L 1 0 5/30/2012 2:44:00 PM

Boron 374 5.00 mg/L 10 0 5/30/2012 5:36:00 PM

Cadmium 0.146 0.020 mg/L 1 0 5/30/2012 2:44:00 PM

Chromium 1.94 0.10 mg/L 1 0 5/30/2012 2:44:00 PM

Copper 1.40 0.10 mg/L 1 0 5/30/2012 2:44:00 PM

Iron 1960 0.50 mg/L 1 0 5/30/2012 2:44:00 PM

Lead 0.87 0.20 mg/L 1 0 5/30/2012 2:44:00 PM

Manganese 340 0.10 mg/L 1 0 5/30/2012 2:44:00 PM

Nickel 4.45 0.10 mg/L 1 0 5/30/2012 2:44:00 PM

Selenium 4.04 0.20 mg/L 1 0 5/30/2012 2:44:00 PM

Silver < 0.050 0.050 mg/L 1 0 5/30/2012 2:44:00 PM

Zinc 4.24 0.10 mg/L 1 0 5/30/2012 2:44:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.92 0.02 mg/L 1 0 6/1/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.85 0 5/31/2012 9:30:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, June 20, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1205C70

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 5/29/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 20-Jun-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1205C70

CASE NARRATIVE

REVISED REPORT: Aluminum and lead analyzed by EPA 200.8.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 5/29/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1205C70

Lab ID: G1205C70-001

DF

Geochemical Testing Date: 20-Jun-12

Received Date: 5/29/2012 5:39:48 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 1 1 mg/L 1 10 5/30/2012 11:30:29 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 29400 100 mg/L 5 0 5/30/2012 11:30:14 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 5/30/2012 8:15:00 AM

Finish Date/Time 6/4/2012 07:20 0 mg/L 1.5 0 5/30/2012 8:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: MLS

Chloride 14700 1000 mg/L 200 0 5/30/2012 1:08:00 PM

INORGANIC METALS EPA 200.8 Analyst: JEK

Aluminum < 0.050 0.050 mg/L 10 0.1 6/19/2012 11:24:00 AM

Lead < 0.005 0.005 mg/L 5 0.1 6/19/2012 11:18:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/31/2012 8:44:00 AM

Selenium, dissolved 0.12 0.02 mg/L 1 0 5/31/2012 8:44:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 6/4/2012 8:38:58 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Arsenic < 0.02 0.02 mg/L 1 0 5/31/2012 3:01:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 5/31/2012 3:01:00 AM

Boron 284 2.50 mg/L 50 0 5/31/2012 4:15:00 PM

Cadmium 0.003 0.002 mg/L 1 0 5/31/2012 3:01:00 AM

Chromium < 0.01 0.01 mg/L 1 0 5/31/2012 3:01:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 5/31/2012 3:01:00 AM

Iron < 0.05 0.05 mg/L 1 0 5/31/2012 3:01:00 AM

Manganese 15.3 0.01 mg/L 1 0 5/31/2012 3:01:00 AM

Nickel < 0.01 0.01 mg/L 1 0 5/31/2012 3:01:00 AM

Selenium 0.12 0.02 mg/L 1 3.4 5/31/2012 3:01:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 5/31/2012 3:01:00 AM

Zinc < 0.01 0.01 mg/L 1 0 5/31/2012 3:01:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 6/1/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease S 6/5/2012 11:19:00 AM < 5 5 mg/L 1 15

NOTES:

S - Spike recovery indicates a possible matrix effect. The method is in control as indicated by the LCS.

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 5/29/2012 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1205C70

Lab ID: G1205C70-002

DF

Geochemical Testing Date: 20-Jun-12

Received Date: 5/29/2012 5:39:48 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 32000 200 mg/L 10 0 5/30/2012 11:30:14 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 33500 100 mg/L 20 0 5/30/2012 11:30:29 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 26 6 mg/L 6 0 5/30/2012 8:15:00 AM

Finish Date/Time 6/4/2012 07:20 0 mg/L 6 5/30/2012 8:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: MLS

Chloride 16600 1000 mg/L 200 0 5/30/2012 1:08:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: MLR

Hexavalent Chromium 0.060 0.020 mg/L 1 0 5/29/2012 6:37:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/31/2012 8:54:00 AM

Selenium, dissolved 0.43 0.02 mg/L 1 0 5/31/2012 8:54:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.82 0.10 mg/L 500 0 6/4/2012 8:45:52 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 568 1.0 mg/L 1 0 6/8/2012 7:37:00 PM

Arsenic 3.53 0.20 mg/L 1 0 6/7/2012 8:24:00 AM

Beryllium 0.084 0.010 mg/L 1 0 6/7/2012 8:24:00 AM

Boron 428 5.00 mg/L 10 0 6/8/2012 7:04:00 PM

Cadmium 0.207 0.020 mg/L 1 0 6/7/2012 8:24:00 AM

Chromium 3.04 0.10 mg/L 1 0 6/7/2012 8:24:00 AM

Copper 1.89 0.10 mg/L 1 0 6/7/2012 8:24:00 AM

Iron 2820 5.00 mg/L 10 0 6/8/2012 7:04:00 PM

Lead 1.22 0.20 mg/L 1 0 6/7/2012 8:24:00 AM

Manganese 369 0.10 mg/L 1 0 6/7/2012 8:24:00 AM

Nickel 5.50 0.10 mg/L 1 0 6/7/2012 8:24:00 AM

Selenium 5.23 0.20 mg/L 1 0 6/7/2012 8:24:00 AM

Silver < 0.050 0.050 mg/L 1 0 6/8/2012 7:37:00 PM

Zinc 6.49 0.10 mg/L 1 0 6/7/2012 8:24:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.98 0.02 mg/L 1 0 6/11/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 19 19 mg/L 3.85 0 6/5/2012 11:17:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, June 20, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1206154

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 6/5/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 20-Jun-12 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1206154

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 6/5/2012 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1206154

Lab ID: G1206154-001

DF

Geochemical Testing Date: 20-Jun-12

Received Date: 6/5/2012 7:20:23 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 6/6/2012 9:49:49 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 28500 100 mg/L 5 0 6/6/2012 12:12:14 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 6/6/2012 11:00:00 AM

Finish Date/Time 6/11/2012 10:10 0 mg/L 1.5 0 6/6/2012 11:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14800 1000 mg/L 200 0 6/8/2012 7:34:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/7/2012 5:33:30 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 6/7/2012 5:33:30 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 6/7/2012 11:14:07 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 6.0 0.1 mg/L 1 0 6/11/2012 1:53:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 6/11/2012 1:53:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 6/11/2012 1:53:00 PM

Boron 301 0.05 mg/L 1 0 6/11/2012 1:53:00 PM

Cadmium 0.003 0.002 mg/L 1 0 6/18/2012 5:49:00 PM

Chromium < 0.01 0.01 mg/L 1 0 6/18/2012 5:49:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 6/18/2012 5:49:00 PM

Iron < 0.05 0.05 mg/L 1 0 6/18/2012 5:49:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 6/18/2012 5:49:00 PM

Manganese 17.9 0.01 mg/L 1 0 6/18/2012 5:49:00 PM

Nickel 0.01 0.01 mg/L 1 0 6/18/2012 5:49:00 PM

Selenium 0.11 0.02 mg/L 1 3.4 6/18/2012 5:49:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 6/11/2012 1:53:00 PM

Zinc < 0.01 0.01 mg/L 1 0 6/18/2012 5:49:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 6/19/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 5 5 mg/L 1.04 15 6/8/2012 6:33:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 6/5/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1206154

Lab ID: G1206154-002

DF

Geochemical Testing Date: 20-Jun-12

Received Date: 6/5/2012 7:20:23 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 34300 200 mg/L 10 0 6/6/2012 12:12:14 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1230 5 mg/L 1 0 6/6/2012 9:50:05 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 25 6 mg/L 6 0 6/6/2012 11:00:00 AM

Finish Date/Time 6/11/2012 10:10 0 mg/L 6 0 6/6/2012 11:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 17400 1000 mg/L 200 0 6/8/2012 7:34:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/12/2012 3:32:00 PM

Selenium, dissolved 0.56 0.02 mg/L 1 0 6/12/2012 3:32:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.64 0.10 mg/L 500 0 6/7/2012 11:16:24 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 390 1.0 mg/L 1 0 6/12/2012 6:45:00 AM

Arsenic 2.82 0.20 mg/L 1 0 6/12/2012 6:45:00 AM

Beryllium 0.071 0.010 mg/L 1 0 6/12/2012 6:45:00 AM

Boron 408 5.00 mg/L 10 0 6/12/2012 9:23:00 PM

Cadmium 0.156 0.020 mg/L 1 0 6/12/2012 6:45:00 AM

Chromium 2.26 0.10 mg/L 1 0 6/12/2012 6:45:00 AM

Copper 1.55 0.10 mg/L 1 0 6/12/2012 6:45:00 AM

Iron 2380 5.00 mg/L 10 0 6/12/2012 9:23:00 PM

Lead 1.08 0.20 mg/L 1 0 6/12/2012 6:45:00 AM

Manganese 360 0.10 mg/L 1 0 6/12/2012 6:45:00 AM

Nickel 4.97 0.10 mg/L 1 0 6/12/2012 6:45:00 AM

Selenium 4.59 0.20 mg/L 1 0 6/12/2012 6:45:00 AM

Silver < 0.050 0.050 mg/L 1 0 6/12/2012 6:45:00 AM

Zinc 5.59 0.10 mg/L 1 0 6/12/2012 6:45:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.25 0.02 mg/L 1 0 6/14/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 19 19 mg/L 3.85 0 6/8/2012 6:46:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Thursday, July 05, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1206457

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 6/12/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 05-Jul-12 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1206457

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 6/12/2012 10:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1206457

Lab ID: G1206457-001

DF

Geochemical Testing Date: 05-Jul-12

Received Date: 6/12/2012 6:49:07 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 6/13/2012 11:44:43 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 28500 100 mg/L 5 0 6/13/2012 11:44:28 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 6/13/2012 8:15:00 AM

Finish Date/Time 6/18/2012 09:15 0 mg/L 1.5 0 6/13/2012 8:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15300 1000 mg/L 200 0 6/13/2012 4:10:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/18/2012 5:33:59 PM

Selenium, dissolved 0.13 0.02 mg/L 1 0 6/18/2012 5:33:59 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.0002 0.0002 mg/L 1 0.004 6/14/2012 12:00:39 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 6/21/2012 12:10:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 6/18/2012 5:31:24 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 6/18/2012 5:31:24 PM

Boron 261 2.50 mg/L 50 0 6/19/2012 12:30:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 6/18/2012 5:31:24 PM

Chromium < 0.01 0.01 mg/L 1 0 6/18/2012 5:31:24 PM

Copper < 0.01 0.01 mg/L 1 0.1 6/18/2012 5:31:24 PM

Iron < 0.05 0.05 mg/L 1 0 6/18/2012 5:31:24 PM

Lead < 0.02 0.02 mg/L 1 0.1 6/18/2012 5:31:24 PM

Manganese 12.7 0.01 mg/L 1 0 6/18/2012 5:31:24 PM

Nickel < 0.01 0.01 mg/L 1 0 6/18/2012 5:31:24 PM

Selenium 0.12 0.02 mg/L 1 3.4 6/18/2012 5:31:24 PM

Silver < 0.005 0.005 mg/L 1 0.1 6/18/2012 5:31:24 PM

Zinc < 0.01 0.01 mg/L 1 0 6/18/2012 5:31:24 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 6/19/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 5 5 mg/L 1.09 15 6/14/2012 3:56:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 6/12/2012 10:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1206457

Lab ID: G1206457-002

DF

Geochemical Testing Date: 05-Jul-12

Received Date: 6/12/2012 6:49:07 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 36500 200 mg/L 10 0 6/13/2012 11:44:28 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 21700 100 mg/L 20 0 6/13/2012 11:44:49 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 38 6 mg/L 6 0 6/13/2012 8:15:00 AM

Finish Date/Time 6/18/2012 09:15 0 mg/L 6 0 6/13/2012 8:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 17600 1000 mg/L 200 0 6/13/2012 4:10:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/18/2012 7:40:35 PM

Selenium, dissolved 0.39 0.02 mg/L 1 0 6/18/2012 7:40:35 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury 0.73 0.10 mg/L 500 0 6/14/2012 12:02:48 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 427 1.0 mg/L 1 0 6/18/2012 7:35:25 PM

Arsenic 3.29 0.20 mg/L 1 0 6/18/2012 7:35:25 PM

Beryllium 0.072 0.010 mg/L 1 0 6/18/2012 7:35:25 PM

Boron 360 5.00 mg/L 10 0 6/19/2012 1:28:00 PM

Cadmium 0.052 0.020 mg/L 1 0 6/18/2012 7:35:25 PM

Chromium 2.12 0.10 mg/L 1 0 6/18/2012 7:35:25 PM

Copper 2.02 0.10 mg/L 1 0 6/18/2012 7:35:25 PM

Iron 2120 0.50 mg/L 1 0 6/18/2012 7:35:25 PM

Lead 0.87 0.20 mg/L 1 0 6/18/2012 7:35:25 PM

Manganese 330 0.10 mg/L 1 0 6/18/2012 7:35:25 PM

Nickel 4.04 0.10 mg/L 1 0 6/18/2012 7:35:25 PM

Selenium 5.30 0.20 mg/L 1 0 6/18/2012 7:35:25 PM

Silver < 0.050 0.050 mg/L 1 0 6/18/2012 7:35:25 PM

Zinc 4.91 0.10 mg/L 1 0 6/18/2012 7:35:25 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.10 0.02 mg/L 1 0 6/19/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 19 19 mg/L 3.85 0 6/15/2012 8:41:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
No problems were encountered during analysis of this workorder, except if noted in this report.

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION

Project: Keystone 611 W CASE NARRATIVE

Lab Order: G1206838

Legend: ND - Not Detected at the Quantitation Limit S - Spike Recovery outside accepted recovery limits

J - Indicates an estimated value R - RPD outside accepted recovery limits

U - The analyte was not detected at or above the listed E - Value above quantitation range

concentration, which is below the laboratory quantitation limit ** - Value exceeds Action Limit

B - Analyte detected in the associated Method Blank H - Method Hold Time Exceeded

Q - Qualifier QL - Quantitation Limit DF - Dilution Factor MCL - Contaminant Limit

Page 1 of 5
Physical Tests SM 2540D Analyst: KLS

 Total suspended solids < 1 1 mg/L 1.25 06/21/2012 08:59

Inorganic Non-Metals SM 2540 C Analyst: KLS

 Total dissolved solids 28900 20 mg/L 1 06/21/2012 09:10

Indicator Organic Parameters SM 5210 B Analyst: MMR

 BOD 5-day < 2 2 mg/L 1.5 06/21/2012 11:45

 Finish Date/Time 6/26/2012

11:10 0 mg/L 1.5 06/21/2012 11:45

Inorganic Non-Metals SM 4500-CL E Analyst: SAG

 Chloride 15000 1000 mg/L 200 06/21/2012 16:07

Inorganic Metals USGS I-1230-85 Analyst: SEM

 Hexavalent Chromium < 0.0050 0.0050 mg/L 1 06/20/2012 19:18

Inorganic Metals EPA 200.7 Analyst: MBG

 Iron, dissolved < 0.05 0.05 mg/L 1 06/23/2012 20:20

 Selenium, dissolved 0.11 0.02 mg/L 1 06/21/2012 18:53

Inorganic Metals SM 3112B Analyst: JEK

 Mercury < 0.0002 0.0002 mg/L 1 06/22/2012 08:16

Inorganic Metals EPA 200.7 Analyst: MBG

 Aluminum < 0.1 0.1 mg/L 1 06/21/2012 18:51

 Arsenic < 0.02 0.02 mg/L 1 06/21/2012 18:51

 Beryllium < 0.001 0.001 mg/L 1 06/21/2012 18:51

 Boron 248 2.50 mg/L 50 06/22/2012 17:43

 Cadmium 0.003 0.002 mg/L 1 06/21/2012 18:51

 Chromium < 0.01 0.01 mg/L 1 06/21/2012 18:51

 Copper 0.01 0.01 mg/L 1 06/21/2012 18:51

 Iron < 0.05 0.05 mg/L 1 06/23/2012 19:31

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: Outfall 101

Lab Order: G1206838

Project: Keystone 611 W Sampled By: Client

Lab ID: G1206838-001 Collection Date: 06/20/2012 10:05

Matrix: Aqueous Received Date: 06/20/2012 18:14

Analyses Result QL Q Units DF Date Analyzed

Page 2 of 5
 Lead < 0.02 0.02 mg/L 1 06/21/2012 18:51

 Manganese 12.1 0.01 mg/L 1 06/23/2012 19:31

 Nickel 0.01 0.01 mg/L 1 06/23/2012 19:31

 Selenium 0.10 0.02 mg/L 1 06/21/2012 18:51

 Silver < 0.005 0.005 mg/L 1 06/21/2012 18:51

 Zinc < 0.01 0.01 mg/L 1 06/23/2012 19:31

Trivalent Chromium EPA 200.7/I-1230-85 Analyst: LAN

 Trivalent Chromium < 0.02 0.02 mg/L 1 06/26/2012 00:00

Indicator Organic Parameters EPA 1664 Analyst: AMS

 Oil & Grease < 5 5 mg/L 1.01 06/22/2012 15:32

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: Outfall 101

Lab Order: G1206838

Project: Keystone 611 W Sampled By: Client

Lab ID: G1206838-001 Collection Date: 06/20/2012 10:05

Matrix: Aqueous Received Date: 06/20/2012 18:14

Analyses Result QL Q Units DF Date Analyzed

Page 3 of 5
Inorganic Non-Metals SM 2540 C Analyst: KLS

 Total dissolved solids 33700 100 mg/L 5 06/21/2012 09:10

Physical Tests SM 2540D Analyst: KLS

 Total suspended solids 11800 100 H mg/L 20 06/28/2012 15:48

Indicator Organic Parameters SM 5210 B Analyst: MMR

 BOD 5-day 17 3 mg/L 3 06/21/2012 11:45

 Finish Date/Time 6/26/2012

11:10 0 mg/L 3 06/21/2012 11:45

Inorganic Non-Metals SM 4500-CL E Analyst: SAG

 Chloride 16500 1000 mg/L 200 06/21/2012 16:07

Inorganic Metals USGS I-1230-85 Analyst: SEM

 Hexavalent Chromium < 0.0050 0.0050 mg/L 1 06/20/2012 19:18

Inorganic Metals EPA 200.7 Analyst: MBG

 Iron, dissolved < 0.05 0.05 mg/L 1 06/23/2012 21:09

 Selenium, dissolved 1.06 0.02 mg/L 1 06/21/2012 18:56

Inorganic Metals SM 3112B Analyst: JEK

 Mercury 0.54 0.10 mg/L 500 06/22/2012 08:18

Inorganic Metals EPA 200.7 Analyst: MBG

 Aluminum 169 1.0 mg/L 1 06/24/2012 00:37

 Arsenic 1.40 0.20 mg/L 1 06/21/2012 20:42

 Beryllium 0.034 0.010 mg/L 1 06/27/2012 02:05

 Boron 427 5.00 mg/L 10 06/28/2012 20:18

 Cadmium 0.091 0.020 mg/L 1 06/24/2012 00:37

 Chromium 1.24 0.10 mg/L 1 06/21/2012 20:42

 Copper 0.78 0.10 mg/L 1 06/24/2012 00:37

 Iron 1180 0.50 mg/L 1 06/27/2012 02:05

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: FGD Influent

Lab Order: G1206838 IWT Influent Special

Project: Keystone 611 W Sampled By: Client

Lab ID: G1206838-002 Collection Date: 06/20/2012 09:50

Matrix: Aqueous Received Date: 06/20/2012 18:14

Analyses Result QL Q Units DF Date Analyzed

Page 4 of 5
 Lead 0.51 0.20 mg/L 1 06/24/2012 00:37

 Manganese 350 0.10 mg/L 1 06/27/2012 02:05

 Nickel 2.88 0.10 mg/L 1 06/24/2012 00:37

 Selenium 3.31 0.20 mg/L 1 06/24/2012 00:37

 Silver < 0.050 0.050 mg/L 1 06/24/2012 00:37

 Zinc 2.86 0.10 mg/L 1 06/21/2012 20:42

Trivalent Chromium EPA 200.7/I-1230-85 Analyst: LAN

 Trivalent Chromium 1.24 0.02 mg/L 1 06/26/2012 00:00

Indicator Organic Parameters EPA 1664 Analyst: AMS

 Oil & Grease < 19 19 mg/L 3.85 06/22/2012 15:28

 NOTES:

 The pH of the sample was >2.

Laboratory Results

2005 N. Center Ave.

Somerset PA 15501

814-443-1671

814-445-6666

FAX:814-445-6729

Client: GenOn ENERGY INC. - KEYSTONE STATION Client Sample ID: FGD Influent

Lab Order: G1206838 IWT Influent Special

Project: Keystone 611 W Sampled By: Client

Lab ID: G1206838-002 Collection Date: 06/20/2012 09:50

Matrix: Aqueous Received Date: 06/20/2012 18:14

Analyses Result QL Q Units DF Date Analyzed

Page 5 of 5
Monday, July 09, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1206A45

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 6/26/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 09-Jul-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1206A45

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 6/26/2012 10:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1206A45

Lab ID: G1206A45-001

DF

Geochemical Testing Date: 09-Jul-12

Received Date: 6/26/2012 6:30:28 PM

Laboratory Results

Sampled By: Water Lab

MCL

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 2 1 mg/L 1 10 6/27/2012 2:17:49 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 31700 100 mg/L 5 0 6/29/2012 8:15:23 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 2 2 mg/L 1.5 25 6/27/2012 8:25:00 AM

Finish Date/Time 7/2/2012 08:45 0 mg/L 1.5 0 6/27/2012 8:25:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 13600 1000 mg/L 200 0 6/27/2012 2:31:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/28/2012 7:11:00 AM

Selenium, dissolved 0.13 0.02 mg/L 1 0 6/28/2012 7:11:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 6/28/2012 11:36:12 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 6/28/2012 6:47:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 6/28/2012 6:47:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 6/28/2012 6:47:00 AM

Boron 273 2.50 mg/L 50 0 6/29/2012 3:07:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 6/28/2012 6:47:00 AM

Chromium < 0.01 0.01 mg/L 1 0 6/28/2012 6:47:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 6/28/2012 6:47:00 AM

Iron < 0.05 0.05 mg/L 1 0 6/28/2012 6:47:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 6/28/2012 6:47:00 AM

Manganese 16.1 0.01 mg/L 1 0 6/28/2012 6:47:00 AM

Nickel < 0.01 0.01 mg/L 1 0 6/28/2012 6:47:00 AM

Selenium 0.13 0.02 mg/L 1 3.4 6/28/2012 6:47:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 6/28/2012 6:47:00 AM

Zinc < 0.01 0.01 mg/L 1 0 6/28/2012 6:47:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 7/3/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 5 5 mg/L 1.02 15 6/27/2012 2:20:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 6/26/2012 10:20:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1206A45

Lab ID: G1206A45-002

DF

Geochemical Testing Date: 09-Jul-12

Received Date: 6/26/2012 6:30:28 PM

Laboratory Results

Sampled By: Water Lab

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 40300 200 mg/L 10 0 6/29/2012 8:15:23 AM

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 4300 100 mg/L 20 0 6/27/2012 2:17:47 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 18 3 mg/L 3 0 6/27/2012 8:25:00 AM

Finish Date/Time 7/2/2012 08:45 0 mg/L 3 6/27/2012 8:25:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 14300 1000 mg/L 200 0 6/27/2012 2:31:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: MLR

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 6/26/2012 7:00:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/28/2012 7:25:00 AM

Selenium, dissolved 0.47 0.02 mg/L 1 0 6/28/2012 7:25:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.14 0.10 mg/L 500 0 6/28/2012 11:38:25 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 67.4 1.0 mg/L 1 0 7/3/2012 5:13:00 AM

Arsenic 0.54 0.20 mg/L 1 0 7/3/2012 5:13:00 AM

Beryllium 0.010 0.010 mg/L 1 0 7/3/2012 5:13:00 AM

Boron 398 5.00 mg/L 10 0 7/3/2012 11:59:25 AM

Cadmium 0.069 0.020 mg/L 1 0 7/3/2012 5:13:00 AM

Chromium 0.40 0.10 mg/L 1 0 7/3/2012 5:13:00 AM

Copper 0.34 0.10 mg/L 1 0 7/3/2012 5:13:00 AM

Iron 420 0.50 mg/L 1 0 7/3/2012 5:13:00 AM

Lead 0.25 0.20 mg/L 1 0 7/3/2012 5:13:00 AM

Manganese 338 0.10 mg/L 1 0 7/3/2012 5:13:00 AM

Nickel 1.89 0.10 mg/L 1 0 7/3/2012 5:13:00 AM

Selenium 1.36 0.20 mg/L 1 0 7/3/2012 5:13:00 AM

Silver < 0.050 0.050 mg/L 1 0 7/3/2012 5:13:00 AM

Zinc 1.13 0.10 mg/L 1 0 7/3/2012 5:13:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.38 0.02 mg/L 1 0 7/3/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 19 19 mg/L 3.85 0 6/27/2012 2:26:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, July 23, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(a)

Order No.: G1207116

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 4 sample(s) on 7/3/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 6
Geochemical Testin Date: 23-Jul-12 g

Project: Keystone 611 Q(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1207116

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 6
Project: Keystone 611 Q(a)

Client Sample ID: Outfall 101

Collection Date: 7/3/2012 10:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207116

Lab ID: G1207116-001

DF

Geochemical Testing Date: 23-Jul-12

Received Date: 7/3/2012 5:47:26 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: MS

Total suspended solids 2 1 mg/L 1 10 7/5/2012 12:03:23 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 29800 100 mg/L 5 0 7/6/2012 9:52:17 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 0 7/5/2012 7:10:00 AM

Finish Date/Time 7/10/2012 07:45 0 mg/L 1.5 7/5/2012 7:10:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 13900 1000 mg/L 200 0 7/5/2012 4:08:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/6/2012 6:52:00 PM

Selenium, dissolved 0.14 0.02 mg/L 1 0 7/6/2012 6:52:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0 7/5/2012 3:18:40 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 7/6/2012 6:41:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 7/6/2012 6:41:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 7/6/2012 6:41:00 PM

Boron 270 2.50 mg/L 50 0 7/9/2012 6:57:00 PM

Cadmium 0.002 0.002 mg/L 1 0 7/6/2012 6:41:00 PM

Chromium < 0.01 0.01 mg/L 1 0 7/6/2012 6:41:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 7/6/2012 6:41:00 PM

Iron < 0.05 0.05 mg/L 1 0 7/6/2012 6:41:00 PM

Lead 0.03 0.02 mg/L 1 0.1 7/6/2012 6:41:00 PM

Manganese 14.8 0.01 mg/L 1 0 7/6/2012 6:41:00 PM

Nickel < 0.01 0.01 mg/L 1 0 7/6/2012 6:41:00 PM

Selenium 0.14 0.02 mg/L 1 3.4 7/6/2012 6:41:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 7/6/2012 6:41:00 PM

Zinc < 0.01 0.01 mg/L 1 0 7/6/2012 6:41:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 7/16/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.05 15 7/9/2012 2:15:00 PM

I.D. 56-00306 PA DEP

Page 3 of 6
Project: Keystone 611 Q(a)

Client Sample ID: FGD Influent

Collection Date: 7/3/2012 10:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207116

Lab ID: G1207116-002

DF

Geochemical Testing Date: 23-Jul-12

Received Date: 7/3/2012 5:47:26 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 37700 200 mg/L 10 0 7/6/2012 9:52:17 AM

PHYSICAL TESTS SM 2540D Analyst: MS

Total suspended solids 33300 50 mg/L 10 0 7/5/2012 12:30:06 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 32 6 mg/L 6 0 7/5/2012 7:10:00 AM

Finish Date/Time 7/10/2012 07:45 0 mg/L 6 7/5/2012 7:10:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 16800 1000 mg/L 200 0 7/5/2012 4:08:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/6/2012 7:04:00 PM

Selenium, dissolved 0.47 0.02 mg/L 1 0 7/6/2012 7:04:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.745 0.100 mg/L 500 0 7/5/2012 3:20:56 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 499 1.0 mg/L 1 0 7/10/2012 1:06:11 PM

Arsenic 2.99 0.20 mg/L 1 0 7/10/2012 1:06:11 PM

Beryllium 0.084 0.010 mg/L 1 0 7/10/2012 1:06:11 PM

Boron 439 5.00 mg/L 10 0 7/11/2012 6:06:00 PM

Cadmium 0.049 0.020 mg/L 1 0 7/10/2012 1:06:11 PM

Chromium 2.51 0.10 mg/L 1 0 7/10/2012 1:06:11 PM

Copper 2.17 0.10 mg/L 1 0 7/10/2012 1:06:11 PM

Iron 2380 5.00 mg/L 10 0 7/10/2012 1:30:00 PM

Lead 1.06 0.20 mg/L 1 0 7/10/2012 1:06:11 PM

Manganese 408 1.00 mg/L 10 0 7/10/2012 1:30:00 PM

Nickel 4.17 0.10 mg/L 1 0 7/10/2012 1:06:11 PM

Selenium 6.02 0.20 mg/L 1 0 7/10/2012 1:06:11 PM

Silver < 0.050 0.050 mg/L 1 0 7/10/2012 1:06:11 PM

Zinc 5.84 0.10 mg/L 1 0 7/10/2012 1:06:11 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.51 0.02 mg/L 1 0 7/16/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 18 18 mg/L 3.57 0 7/9/2012 3:41:00 PM

I.D. 56-00306 PA DEP

Page 4 of 6
Project: Keystone 611 Q(a)

Client Sample ID: Plum Creek

Collection Date: 7/3/2012 8:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207116

Lab ID: G1207116-003

DF

Geochemical Testing Date: 23-Jul-12

Received Date: 7/3/2012 5:47:26 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON METALS SM 4500-CO2D Analyst: MS

Bicarbonate 38 5 mg/L CaCO3 1 0 7/6/2012 12:36:00 PM

INORGANIC NON-METALS SM 4500-CO2 Analyst: MS

Carbonate < 5 5 mg/L CaCO3 1 0 7/6/2012 12:36:00 PM

PH BY SM 4500 H+B SM4500-H+B Analyst: MS

Lab pH H 7/6/2012 12:36:00 PM 7.42 0 su 1 0

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 148 20 mg/L 1 0 7/6/2012 9:52:17 AM

PHYSICAL TESTS SM 2540D Analyst: MS

Total suspended solids < 5 5 mg/L 1 0 7/5/2012 12:30:06 PM

INORGANIC NON-METALS ASTM D1067-02 Analyst: MS

Alkalinity to pH 4.5 38 5 mg/L CaCO3 1 0 7/6/2012 12:36:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.13 0.05 mg/L as N 1 0 7/3/2012 9:27:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 7/3/2012 9:27:00 PM

Nitrate - Nitrite 0.13 0.05 mg/L as N 1 0 7/3/2012 9:27:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 6 1 mg/L 1 0 7/3/2012 9:27:00 PM

Fluoride < 0.1 0.1 mg/L 1 0 7/3/2012 9:27:00 PM

Sulfate 42 2 mg/L 1 0 7/3/2012 9:27:00 PM

INORGANIC NON-METALS EPA 350.1 Analyst: SLY

Ammonia Nitrogen - Distilled < 0.10 0.10 mg/L as N 1 0 7/6/2012 9:40:16 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Barium 0.04 0.01 mg/L 1 0 7/6/2012 9:17:00 PM

Boron < 0.05 0.05 mg/L 1 0 7/6/2012 9:17:00 PM

Calcium 18.5 0.1 mg/L 1 0 7/6/2012 9:17:00 PM

Iron 0.15 0.05 mg/L 1 0 7/6/2012 9:17:00 PM

Magnesium 5.5 0.1 mg/L 1 0 7/6/2012 9:17:00 PM

Manganese 0.04 0.01 mg/L 1 0 7/6/2012 9:17:00 PM

Potassium 1.8 0.5 mg/L 1 0 7/9/2012 7:47:00 PM

Sodium 15.7 0.2 mg/L 1 0 7/6/2012 9:17:00 PM

Strontium 0.19 0.01 mg/L 1 0 7/6/2012 9:17:00 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: ACG

Total Organic Carbon 2.1 0.5 mg/L 1 0 7/5/2012 8:44:00 PM

I.D. 56-00306 PA DEP

Page 5 of 6
Project: Keystone 611 Q(a)

Client Sample ID: Crooked Creek

Collection Date: 7/3/2012 8:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207116

Lab ID: G1207116-004

DF

Geochemical Testing Date: 23-Jul-12

Received Date: 7/3/2012 5:47:26 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 342 20 mg/L 1 0 7/6/2012 9:52:17 AM

PHYSICAL TESTS SM 2540D Analyst: MS

Total suspended solids 20 5 mg/L 1 0 7/5/2012 12:30:05 PM

INORGANIC NON-METALS ASTM D1067-02 Analyst: MS

Alkalinity to pH 4.5 75 5 mg/L CaCO3 1 0 7/6/2012 12:39:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.19 0.05 mg/L as N 1 0 7/3/2012 9:44:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 7/3/2012 9:44:00 PM

Nitrate - Nitrite 0.19 0.05 mg/L as N 1 0 7/3/2012 9:44:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 44 1 mg/L 1 0 7/3/2012 9:44:00 PM

Sulfate 98 2 mg/L 1 0 7/3/2012 9:44:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Calcium 36.0 0.1 mg/L 1 0 7/10/2012 6:40:00 AM

Iron 2.44 0.05 mg/L 1 0 7/10/2012 6:40:00 AM

Magnesium 9.7 0.1 mg/L 1 0 7/10/2012 6:40:00 AM

Manganese 0.83 0.01 mg/L 1 0 7/10/2012 6:40:00 AM

Potassium 2.9 0.5 mg/L 1 0 7/10/2012 4:17:00 PM

Sodium 74.2 0.2 mg/L 1 0 7/10/2012 4:17:00 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: ACG

Total Organic Carbon 2.1 0.5 mg/L 1 0 7/5/2012 11:30:00 PM

I.D. 56-00306 PA DEP

Page 6 of 6
Tuesday, July 24, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(b)

Order No.: G1207349

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 7 sample(s) on 7/10/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 9
Geochemical Testin Date: 24-Jul-12 g

Project: Keystone 611 Q(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1207349

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 9
Project: Keystone 611 Q(b)

Client Sample ID: FGD Influent

Collection Date: 7/10/2012 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207349

Lab ID: G1207349-001

DF

Geochemical Testing Date: 24-Jul-12

Received Date: 7/10/2012 6:57:36 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 50100 200 mg/L 10 0 7/11/2012 4:20:44 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 33600 100 mg/L 20 0 7/11/2012 4:47:48 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 26 6 mg/L 6 0 7/11/2012 8:15:00 AM

Finish Date/Time 7/16/2012 09:15 0 mg/L 6 0 7/11/2012 8:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 14400 1000 mg/L 200 0 7/11/2012 10:37:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/12/2012 10:16:00 AM

Selenium, dissolved 0.50 0.02 mg/L 1 0 7/12/2012 10:16:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.890 0.100 mg/L 500 0 7/12/2012 9:46:53 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 525 1.0 mg/L 1 0 7/18/2012 6:39:00 AM

Arsenic 5.25 0.20 mg/L 1 0 7/18/2012 6:39:00 AM

Beryllium 0.101 0.010 mg/L 1 0 7/18/2012 6:39:00 AM

Boron 456 5.00 mg/L 10 0 7/18/2012 2:59:00 PM

Cadmium 0.212 0.020 mg/L 1 0 7/18/2012 6:39:00 AM

Chromium 3.11 0.10 mg/L 1 0 7/18/2012 6:39:00 AM

Copper 1.97 0.10 mg/L 1 0 7/18/2012 6:39:00 AM

Iron 2800 5.00 mg/L 10 0 7/18/2012 2:59:00 PM

Lead 1.60 0.20 mg/L 1 0 7/18/2012 6:39:00 AM

Manganese 429 0.10 mg/L 1 0 7/18/2012 6:39:00 AM

Nickel 5.23 0.10 mg/L 1 0 7/18/2012 6:39:00 AM

Selenium 6.93 0.20 mg/L 1 0 7/18/2012 6:39:00 AM

Silver < 0.050 0.050 mg/L 1 0 7/18/2012 6:39:00 AM

Zinc 7.41 0.10 mg/L 1 0 7/18/2012 6:39:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 3.11 0.02 mg/L 1 0 7/20/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 19 19 mg/L 3.85 0 7/12/2012 12:43:00 PM

I.D. 56-00306 PA DEP

Page 3 of 9
Project: Keystone 611 Q(b)

Client Sample ID: Outfall 101

Collection Date: 7/10/2012 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207349

Lab ID: G1207349-002

DF

Geochemical Testing Date: 24-Jul-12

Received Date: 7/10/2012 6:57:36 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 7/12/2012 3:12:56 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27100 20 mg/L 1 0 7/11/2012 4:20:43 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 7/11/2012 8:15:00 AM

Finish Date/Time 7/16/2012 09:15 0 mg/L 1.5 0 7/11/2012 8:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 17200 1000 mg/L 200 0 7/11/2012 10:37:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/12/2012 11:38:00 AM

Selenium, dissolved 0.13 0.02 mg/L 1 0 7/12/2012 11:38:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0 7/12/2012 9:49:04 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 7/15/2012 10:00:46 PM

Arsenic < 0.02 0.02 mg/L 1 0 7/15/2012 10:00:46 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 7/12/2012 11:09:00 AM

Boron 278 2.50 mg/L 50 0 7/13/2012 4:25:00 PM

Cadmium 0.003 0.002 mg/L 1 0 7/12/2012 11:09:00 AM

Chromium < 0.01 0.01 mg/L 1 0 7/15/2012 10:00:46 PM

Copper < 0.01 0.01 mg/L 1 0.1 7/12/2012 11:09:00 AM

Iron < 0.05 0.05 mg/L 1 0 7/12/2012 11:09:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 7/15/2012 10:00:46 PM

Manganese 14.0 0.01 mg/L 1 0 7/12/2012 11:09:00 AM

Nickel < 0.01 0.01 mg/L 1 0 7/12/2012 11:09:00 AM

Selenium 0.16 0.02 mg/L 1 3.4 7/12/2012 11:09:00 AM

Silver < 0.005 0.005 mg/L 1 0 7/12/2012 11:09:00 AM

Zinc < 0.01 0.01 mg/L 1 0 7/12/2012 11:09:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 7/16/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 5 5 mg/L 1.01 15 7/12/2012 12:41:00 PM

I.D. 56-00306 PA DEP

Page 4 of 9
Project: Keystone 611 Q(b)

Client Sample ID: IMP 603

Collection Date: 7/10/2012 7:05:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207349

Lab ID: G1207349-003

DF

Geochemical Testing Date: 24-Jul-12

Received Date: 7/10/2012 6:57:36 PM

Laboratory Results

Sampled By: Client

MCL

VOLATILE ORGANIC COMPOUNDS EPA 624 Analyst: SJM

Chloroform < 2.0 2.0 μg/L 1 0 7/12/2012 4:07:00 AM

I.D. 56-00306 PA DEP

Page 5 of 9
Project: Keystone 611 Q(b)

Client Sample ID: IMP 703 OUTLET

Collection Date: 7/10/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207349

Lab ID: G1207349-004

DF

Geochemical Testing Date: 24-Jul-12

Received Date: 7/10/2012 6:57:36 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 30 7/11/2012 4:47:48 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron 0.21 0.05 mg/L 1 0 7/12/2012 12:04:00 PM

Manganese 1.32 0.01 mg/L 1 0 7/12/2012 12:04:00 PM

I.D. 56-00306 PA DEP

Page 6 of 9
Project: Keystone 611 Q(b)

Client Sample ID: IMP 703 INLET

Collection Date: 7/10/2012 9:55:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207349

Lab ID: G1207349-005

DF

Geochemical Testing Date: 24-Jul-12

Received Date: 7/10/2012 6:57:36 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 8 5 mg/L 1 7/11/2012 4:47:48 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron 58.4 0.05 mg/L 1 0 7/12/2012 12:50:00 PM

Manganese 12.8 0.01 mg/L 1 0 7/12/2012 12:50:00 PM

I.D. 56-00306 PA DEP

Page 7 of 9
Project: Keystone 611 Q(b)

Client Sample ID: SWRO 013

Collection Date: 7/10/2012 7:40:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207349

Lab ID: G1207349-006

DF

Geochemical Testing Date: 24-Jul-12

Received Date: 7/10/2012 6:57:36 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 0 7/11/2012 4:47:48 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Sulfate 86 2 mg/L 1 0 7/11/2012 12:49:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Arsenic < 0.02 0.02 mg/L 1 0 7/12/2012 4:09:00 PM

Barium 0.07 0.01 mg/L 1 0 7/12/2012 4:09:00 PM

Iron < 0.05 0.05 mg/L 1 0 7/12/2012 4:09:00 PM

Manganese < 0.01 0.01 mg/L 1 0 7/12/2012 4:09:00 PM

I.D. 56-00306 PA DEP

Page 8 of 9
Project: Keystone 611 Q(b)

Client Sample ID: SWRO 014

Collection Date: 7/10/2012 7:55:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207349

Lab ID: G1207349-007

DF

Geochemical Testing Date: 24-Jul-12

Received Date: 7/10/2012 6:57:36 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 38 5 mg/L 1 0 7/11/2012 4:47:47 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Sulfate 47 2 mg/L 1 0 7/11/2012 1:06:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Arsenic < 0.02 0.02 mg/L 1 0 7/12/2012 4:13:00 PM

Barium 0.10 0.01 mg/L 1 0 7/12/2012 4:13:00 PM

Iron 0.28 0.05 mg/L 1 0 7/12/2012 4:13:00 PM

Manganese 0.10 0.01 mg/L 1 0 7/12/2012 4:13:00 PM

I.D. 56-00306 PA DEP

Page 9 of 9
Monday, July 30, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1207652

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 7/17/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 30-Jul-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1207652

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 7/17/2012 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207652

Lab ID: G1207652-001

DF

Geochemical Testing Date: 30-Jul-12

Received Date: 7/17/2012 6:48:22 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2 1 mg/L 1 10 7/18/2012 3:56:30 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 32600 20 mg/L 1 0 7/18/2012 3:57:02 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day < 2 2 mg/L 1.5 25 7/18/2012 8:35:00 AM

Finish Date/Time 7/23/2012 09:33 0 mg/L 1.5 0 7/18/2012 8:35:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 16000 1000 mg/L 200 0 7/18/2012 4:12:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/19/2012 6:23:00 AM

Selenium, dissolved 0.14 0.02 mg/L 1 0 7/19/2012 6:23:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 7/19/2012 9:45:02 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 7/19/2012 5:44:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 7/19/2012 5:44:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 7/19/2012 5:44:00 AM

Boron 248 2.50 mg/L 50 0 7/19/2012 10:12:00 AM

Cadmium 0.002 0.002 mg/L 1 0 7/19/2012 5:44:00 AM

Chromium < 0.01 0.01 mg/L 1 0 7/19/2012 5:44:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 7/19/2012 5:44:00 AM

Iron < 0.05 0.05 mg/L 1 0 7/19/2012 5:44:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 7/19/2012 5:44:00 AM

Manganese 4.89 0.01 mg/L 1 0 7/19/2012 5:44:00 AM

Nickel < 0.01 0.01 mg/L 1 0 7/19/2012 5:44:00 AM

Selenium 0.12 0.02 mg/L 1 3.4 7/19/2012 5:44:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 7/19/2012 5:44:00 AM

Zinc < 0.01 0.01 mg/L 1 0 7/19/2012 5:44:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 7/20/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 5 5 mg/L 1 15 7/19/2012 5:20:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 7/17/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207652

Lab ID: G1207652-002

DF

Geochemical Testing Date: 30-Jul-12

Received Date: 7/17/2012 6:48:22 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 41200 200 mg/L 10 0 7/18/2012 3:57:02 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 17600 100 mg/L 20 0 7/18/2012 3:56:34 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day 10 3 mg/L 3 0 7/18/2012 8:35:00 AM

Finish Date/Time 7/23/2012 09:33 0 mg/L 3 7/18/2012 8:35:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 17100 1000 mg/L 200 0 7/18/2012 4:12:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: SEM

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 7/17/2012 7:23:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved 0.30 0.05 mg/L 1 0 7/19/2012 2:36:48 PM

Selenium, dissolved 0.41 0.02 mg/L 1 0 7/19/2012 2:36:48 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.660 0.100 mg/L 500 0 7/19/2012 9:47:11 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 284 1.0 mg/L 1 0 7/19/2012 9:27:55 PM

Arsenic 2.34 0.20 mg/L 1 0 7/19/2012 9:27:55 PM

Beryllium 0.052 0.010 mg/L 1 0 7/19/2012 9:27:55 PM

Boron 312 0.50 mg/L 1 0 7/19/2012 9:27:55 PM

Cadmium 0.141 0.020 mg/L 1 0 7/21/2012 10:48:00 PM

Chromium 2.03 0.10 mg/L 1 0 7/21/2012 10:48:00 PM

Copper 1.28 0.10 mg/L 1 0 7/21/2012 10:48:00 PM

Iron 1090 0.50 mg/L 1 0 7/19/2012 9:27:55 PM

Lead 0.75 0.20 mg/L 1 0 7/19/2012 9:27:55 PM

Manganese 288 0.10 mg/L 1 0 7/19/2012 9:27:55 PM

Nickel 2.34 0.10 mg/L 1 0 7/19/2012 9:27:55 PM

Selenium 5.53 0.20 mg/L 1 0 7/21/2012 10:48:00 PM

Silver < 0.050 0.050 mg/L 1 0 7/19/2012 9:27:55 PM

Zinc 4.65 0.10 mg/L 1 0 7/21/2012 10:48:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.01 0.02 mg/L 1 0 7/25/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AMS

Oil & Grease < 18 18 mg/L 3.57 0 7/19/2012 6:14:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Thursday, August 02, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1207974

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 7/24/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 02-Aug-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1207974

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 7/24/2012 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207974

Lab ID: G1207974-001

DF

Geochemical Testing Date: 02-Aug-12

Received Date: 7/24/2012 6:41:24 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 1 1 mg/L 1 10 7/25/2012 3:32:36 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26600 20 mg/L 1 0 7/25/2012 3:33:21 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day < 2 2 mg/L 1.5 25 7/25/2012 10:45:00 AM

Finish Date/Time 7/30/2012 10:33 0 mg/L 1.5 0 7/25/2012 10:45:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 14000 1000 mg/L 200 0 7/25/2012 2:52:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/26/2012 8:59:00 PM

Selenium, dissolved 0.17 0.02 mg/L 1 0 7/26/2012 8:59:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 7/25/2012 1:42:34 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 7/26/2012 9:40:00 PM

Arsenic 0.02 0.02 mg/L 1 0 7/26/2012 9:40:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 7/26/2012 9:40:00 PM

Boron 263 2.50 mg/L 50 0 7/27/2012 2:58:00 PM

Cadmium 0.003 0.002 mg/L 1 0 7/26/2012 9:40:00 PM

Chromium < 0.01 0.01 mg/L 1 0 7/26/2012 9:40:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 7/26/2012 9:40:00 PM

Iron < 0.05 0.05 mg/L 1 0 7/26/2012 9:40:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 7/26/2012 9:40:00 PM

Manganese 7.47 0.01 mg/L 1 0 7/26/2012 9:40:00 PM

Nickel 0.01 0.01 mg/L 1 0 7/26/2012 9:40:00 PM

Selenium 0.17 0.02 mg/L 1 3.4 7/26/2012 9:40:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 7/26/2012 9:40:00 PM

Zinc < 0.01 0.01 mg/L 1 0 7/26/2012 9:40:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 7/31/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.05 15 7/25/2012 1:56:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 7/24/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207974

Lab ID: G1207974-002

DF

Geochemical Testing Date: 02-Aug-12

Received Date: 7/24/2012 6:41:24 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 36700 200 mg/L 10 0 7/25/2012 3:33:18 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 25800 50 mg/L 10 0 7/25/2012 3:32:43 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day 26 3 mg/L 3 0 7/25/2012 10:45:00 AM

Finish Date/Time 7/30/2012 10:33 0 mg/L 3 7/25/2012 10:45:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 17200 1000 mg/L 200 0 7/25/2012 2:52:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: SAG

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 7/24/2012 7:35:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/26/2012 9:55:00 PM

Selenium, dissolved 0.61 0.02 mg/L 1 0 7/26/2012 9:55:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.835 0.100 mg/L 500 0 7/25/2012 1:44:47 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 452 1.0 mg/L 1 0 7/25/2012 10:54:00 PM

Arsenic 4.21 0.20 mg/L 1 0 7/25/2012 10:54:00 PM

Beryllium 0.081 0.010 mg/L 1 0 7/25/2012 10:54:00 PM

Boron 442 5.00 mg/L 10 0 7/26/2012 11:45:00 AM

Cadmium 0.140 0.020 mg/L 1 0 7/25/2012 10:54:00 PM

Chromium 2.75 0.10 mg/L 1 0 7/25/2012 10:54:00 PM

Copper 1.64 0.10 mg/L 1 0 7/25/2012 10:54:00 PM

Iron 1940 0.50 mg/L 1 0 7/25/2012 10:54:00 PM

Lead 1.23 0.20 mg/L 1 0 7/25/2012 10:54:00 PM

Manganese 319 0.10 mg/L 1 0 7/25/2012 10:54:00 PM

Nickel 3.70 0.10 mg/L 1 0 7/25/2012 10:54:00 PM

Selenium 8.34 0.20 mg/L 1 0 7/25/2012 10:54:00 PM

Silver < 0.050 0.050 mg/L 1 0 7/25/2012 10:54:00 PM

Zinc 5.77 0.10 mg/L 1 0 7/25/2012 10:54:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.75 0.02 mg/L 1 0 7/31/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 7/26/2012 10:34:00 AM

NOTES:

The pH of the sample was >2.

I.D. 56-00306 PA DEP

Page 4 of 4
Page 1 of 4

Wednesday, August 15, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1207C50

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 7/31/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Tim othy W .Bergstresser

DirectorofTechnicalServices
Page 2 of 4

Geochemical Testin Date: 15-Aug-12 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1207C50

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit
Page 3 of 4

Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 7/31/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207C50

Lab ID: G1207C50-001

DF

Geochemical Testing Date: 15-Aug-12

Received Date: 7/31/2012 6:27:03 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 9 5 mg/L 1 10 8/1/2012 10:57:56 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27600 100 mg/L 5 0 8/1/2012 10:57:38 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 8/1/2012 9:20:00 AM

Finish Date/Time 8/6/2012 08:30 0 mg/L 1.5 0 8/1/2012 9:20:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: MLR

Chloride 15500 1000 mg/L 200 0 8/1/2012 9:15:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/1/2012 7:46:00 PM

Selenium, dissolved 0.21 0.02 mg/L 1 0 8/1/2012 7:46:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 8/2/2012 11:48:14 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 8/1/2012 7:32:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 8/1/2012 7:32:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 8/1/2012 7:32:00 PM

Boron 274 2.50 mg/L 50 0 8/2/2012 10:50:37 AM

Cadmium < 0.002 0.002 mg/L 1 0 8/1/2012 7:32:00 PM

Chromium < 0.01 0.01 mg/L 1 0 8/1/2012 7:32:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 8/1/2012 7:32:00 PM

Iron < 0.05 0.05 mg/L 1 0 8/1/2012 7:32:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 8/1/2012 7:32:00 PM

Manganese 2.94 0.01 mg/L 1 0 8/1/2012 7:32:00 PM

Nickel < 0.01 0.01 mg/L 1 0 8/1/2012 7:32:00 PM

Selenium 0.20 0.02 mg/L 1 3.4 8/1/2012 7:32:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 8/1/2012 7:32:00 PM

Zinc < 0.01 0.01 mg/L 1 0 8/1/2012 7:32:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 8/2/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 8/1/2012 12:09:00 PM

I.D. 56-00306 PA DEP
Page 4 of 4

Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 7/31/2012 9:54:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1207C50

Lab ID: G1207C50-002

DF

Geochemical Testing Date: 15-Aug-12

Received Date: 7/31/2012 6:27:03 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 30500 100 mg/L 5 0 8/1/2012 10:57:38 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 13100 100 mg/L 20 0 8/1/2012 10:57:55 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 9 3 mg/L 3 0 8/1/2012 9:20:00 AM

Finish Date/Time 8/6/2012 08:30 0 mg/L 3 8/1/2012 9:20:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: MLR

Chloride 16300 1000 mg/L 200 0 8/1/2012 9:15:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/1/2012 8:01:00 PM

Selenium, dissolved 0.15 0.02 mg/L 1 0 8/1/2012 8:01:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.362 0.100 mg/L 500 0 8/2/2012 11:50:25 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 213 1.0 mg/L 1 0 8/7/2012 5:59:00 PM

Arsenic 2.05 0.20 mg/L 1 0 8/7/2012 5:59:00 PM

Beryllium 0.044 0.010 mg/L 1 0 8/7/2012 5:59:00 PM

Boron 436 5.00 mg/L 10 0 8/9/2012 1:27:00 PM

Cadmium 0.090 0.020 mg/L 1 0 8/7/2012 5:59:00 PM

Chromium 1.51 0.10 mg/L 1 0 8/7/2012 5:59:00 PM

Copper 0.80 0.10 mg/L 1 0 8/7/2012 5:59:00 PM

Iron 1110 0.50 mg/L 1 0 8/7/2012 5:59:00 PM

Lead 0.72 0.20 mg/L 1 0 8/7/2012 5:59:00 PM

Manganese 268 0.10 mg/L 1 0 8/7/2012 5:59:00 PM

Nickel 2.38 0.10 mg/L 1 0 8/7/2012 5:59:00 PM

Selenium 4.82 0.20 mg/L 1 0 8/7/2012 5:59:00 PM

Silver < 0.050 0.050 mg/L 1 0 8/7/2012 5:59:00 PM

Zinc 3.03 0.10 mg/L 1 0 8/7/2012 5:59:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.00 0.02 mg/L 1 0 8/9/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 8/2/2012 3:29:00 PM

NOTES:

The pH of the sample was >2.

I.D. 56-00306 PA DEP
Wednesday, August 15, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1208299

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 8/7/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 15-Aug-12 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1208299

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 8/7/2012 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1208299

Lab ID: G1208299-001

DF

Geochemical Testing Date: 15-Aug-12

Received Date: 8/7/2012 6:30:32 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 6 5 mg/L 1 10 8/8/2012 2:12:58 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25300 100 mg/L 5 0 8/8/2012 4:41:43 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day < 2 2 mg/L 1.5 25 8/8/2012 8:15:00 AM

Finish Date/Time 8/13/2012 09:15 0 mg/L 1.5 0 8/8/2012 8:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 14100 1000 mg/L 200 0 8/8/2012 3:17:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/10/2012 5:42:00 AM

Selenium, dissolved 0.19 0.02 mg/L 1 0 8/10/2012 5:42:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 8/10/2012 10:38:56 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 8/8/2012 8:18:30 PM

Arsenic < 0.02 0.02 mg/L 1 0 8/8/2012 8:18:30 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 8/8/2012 8:18:30 PM

Boron 275 2.50 mg/L 50 0 8/9/2012 2:53:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 8/8/2012 8:18:30 PM

Chromium < 0.01 0.01 mg/L 1 0 8/8/2012 8:18:30 PM

Copper 0.01 0.01 mg/L 1 0.1 8/8/2012 8:18:30 PM

Iron < 0.05 0.05 mg/L 1 0 8/8/2012 8:18:30 PM

Lead < 0.02 0.02 mg/L 1 0.1 8/8/2012 8:18:30 PM

Manganese 1.87 0.01 mg/L 1 0 8/8/2012 8:18:30 PM

Nickel < 0.01 0.01 mg/L 1 0 8/8/2012 8:18:30 PM

Selenium 0.15 0.02 mg/L 1 3.4 8/8/2012 8:18:30 PM

Silver < 0.005 0.005 mg/L 1 0.1 8/9/2012 2:41:00 PM

Zinc < 0.01 0.01 mg/L 1 0 8/8/2012 8:18:30 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 8/14/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.01 15 8/8/2012 2:41:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 8/7/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1208299

Lab ID: G1208299-002

DF

Geochemical Testing Date: 15-Aug-12

Received Date: 8/7/2012 6:30:32 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 33800 200 mg/L 10 0 8/8/2012 4:41:43 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5480 100 mg/L 20 0 8/8/2012 2:12:29 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: SEM

BOD 5-day 12 3 mg/L 3 0 8/8/2012 8:15:00 AM

Finish Date/Time 8/13/2012 09:15 0 mg/L 3 0 8/8/2012 8:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 17300 1000 mg/L 200 0 8/8/2012 3:17:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/10/2012 6:12:00 AM

Selenium, dissolved 0.82 0.02 mg/L 1 0 8/10/2012 6:12:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.114 0.100 mg/L 500 0 8/10/2012 10:41:08 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 88.1 1.0 mg/L 1 0 8/11/2012 3:32:00 PM

Arsenic 0.63 0.20 mg/L 1 0 8/11/2012 3:32:00 PM

Beryllium 0.014 0.010 mg/L 1 0 8/11/2012 3:32:00 PM

Boron 448 5.00 mg/L 10 0 8/13/2012 3:08:52 PM

Cadmium 0.053 0.020 mg/L 1 0 8/11/2012 3:32:00 PM

Chromium 0.43 0.10 mg/L 1 0 8/11/2012 3:32:00 PM

Copper 0.27 0.10 mg/L 1 0 8/11/2012 3:32:00 PM

Iron 391 0.50 mg/L 1 0 8/11/2012 3:32:00 PM

Lead 0.28 0.20 mg/L 1 0 8/11/2012 3:32:00 PM

Manganese 231 0.10 mg/L 1 0 8/11/2012 3:32:00 PM

Nickel 1.40 0.10 mg/L 1 0 8/11/2012 3:32:00 PM

Selenium 1.90 0.20 mg/L 1 0 8/11/2012 3:32:00 PM

Silver < 0.050 0.050 mg/L 1 0 8/11/2012 3:32:00 PM

Zinc 1.04 0.10 mg/L 1 0 8/11/2012 3:32:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.41 0.02 mg/L 1 0 8/14/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 8/8/2012 3:20:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, August 24, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1208644

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 8/14/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 24-Aug-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1208644

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 8/14/2012 10:10:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1208644

Lab ID: G1208644-001

DF

Geochemical Testing Date: 24-Aug-12

Received Date: 8/14/2012 5:11:08 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1 1 mg/L 1 10 8/15/2012 2:36:48 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 30900 20 mg/L 1 0 8/15/2012 2:19:19 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: JS

BOD 5-day < 2 2 mg/L 1.5 25 8/15/2012 8:15:00 AM

Finish Date/Time 8/20/2015 08:50 0 mg/L 1.5 0 8/15/2012 8:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 14000 1000 mg/L 200 0 8/15/2012 5:02:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/16/2012 8:53:00 PM

Selenium, dissolved 0.18 0.02 mg/L 1 0 8/16/2012 8:53:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 8/15/2012 11:52:14 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 8/16/2012 8:41:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 8/16/2012 8:41:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 8/16/2012 8:41:00 PM

Boron 309 0.05 mg/L 1 0 8/16/2012 8:41:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 8/16/2012 8:41:00 PM

Chromium < 0.01 0.01 mg/L 1 0 8/16/2012 8:41:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 8/16/2012 8:41:00 PM

Iron < 0.05 0.05 mg/L 1 0 8/16/2012 8:41:00 PM

Lead 0.02 0.02 mg/L 1 0.1 8/16/2012 8:41:00 PM

Manganese 5.58 0.01 mg/L 1 0 8/16/2012 8:41:00 PM

Nickel < 0.01 0.01 mg/L 1 0 8/16/2012 8:41:00 PM

Selenium 0.14 0.02 mg/L 1 3.4 8/16/2012 8:41:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 8/16/2012 8:41:00 PM

Zinc < 0.01 0.01 mg/L 1 0 8/16/2012 8:41:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 8/21/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 8/16/2012 1:28:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 8/14/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1208644

Lab ID: G1208644-002

DF

Geochemical Testing Date: 24-Aug-12

Received Date: 8/14/2012 5:11:08 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 28900 200 mg/L 10 0 8/15/2012 2:19:19 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 28400 100 mg/L 20 0 8/15/2012 2:36:50 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: JS

BOD 5-day 65 12 mg/L 12 0 8/15/2012 8:15:00 AM

Finish Date/Time 8/20/2015 08:50 0 mg/L 12 8/15/2012 8:15:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 16900 1000 mg/L 200 0 8/15/2012 5:02:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: SEM

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 8/14/2012 6:14:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/16/2012 9:05:00 PM

Selenium, dissolved 1.07 0.02 mg/L 1 0 8/16/2012 9:05:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.590 0.100 mg/L 500 0 8/15/2012 11:54:27 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 457 1.0 mg/L 1 0 8/23/2012 2:33:00 AM

Arsenic 3.10 0.20 mg/L 1 0 8/23/2012 2:33:00 AM

Beryllium 0.083 0.010 mg/L 1 0 8/23/2012 2:33:00 AM

Boron 436 0.50 mg/L 1 0 8/23/2012 2:33:00 AM

Cadmium 0.197 0.020 mg/L 1 0 8/23/2012 2:33:00 AM

Chromium 2.66 0.10 mg/L 1 0 8/23/2012 2:33:00 AM

Copper 1.67 0.10 mg/L 1 0 8/23/2012 2:33:00 AM

Iron 2440 5.00 mg/L 10 0 8/23/2012 12:58:09 PM

Lead 1.06 0.20 mg/L 1 0 8/23/2012 2:33:00 AM

Manganese 331 0.10 mg/L 1 0 8/23/2012 2:33:00 AM

Nickel 3.97 0.10 mg/L 1 0 8/23/2012 2:33:00 AM

Selenium 6.02 0.20 mg/L 1 0 8/23/2012 2:33:00 AM

Silver < 0.050 0.050 mg/L 1 0 8/23/2012 2:33:00 AM

Zinc 5.75 0.10 mg/L 1 0 8/23/2012 2:33:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.66 0.02 mg/L 1 0 8/24/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 8/16/2012 1:27:00 PM

NOTES:

The pH of the sample was >2.

I.D. 56-00306 PA DEP

Page 4 of 4
Page 1 of 4

Friday, August 31, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1208903

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 8/21/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Tim othy W .Bergstresser

DirectorofTechnicalServices
Page 2 of 4

Geochemical Testin Date: 31-Aug-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1208903

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit
Page 3 of 4

Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 8/21/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1208903

Lab ID: G1208903-001

DF

Geochemical Testing Date: 31-Aug-12

Received Date: 8/21/2012 4:59:01 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 7 1 mg/L 1 10 8/22/2012 7:41:37 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 37700 20 mg/L 1 0 8/22/2012 7:41:27 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day 2 2 mg/L 1.5 25 8/22/2012 9:10:00 AM

Finish Date/Time 8/27/2012 09:33 0 mg/L 1.5 0 8/22/2012 9:10:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 13500 1000 mg/L 200 0 8/22/2012 2:32:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/22/2012 7:07:00 PM

Selenium, dissolved 0.25 0.02 mg/L 1 0 8/22/2012 7:07:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 8/30/2012 8:36:27 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 8/22/2012 6:58:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 8/22/2012 6:58:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 8/22/2012 6:58:00 PM

Boron 310 0.05 mg/L 1 0 8/22/2012 6:58:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 8/22/2012 6:58:00 PM

Chromium < 0.01 0.01 mg/L 1 0 8/22/2012 6:58:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 8/22/2012 6:58:00 PM

Iron < 0.05 0.05 mg/L 1 0 8/22/2012 6:58:00 PM

Lead 0.03 0.02 mg/L 1 0.1 8/22/2012 6:58:00 PM

Manganese 11.8 0.01 mg/L 1 0 8/22/2012 6:58:00 PM

Nickel 0.01 0.01 mg/L 1 0 8/22/2012 6:58:00 PM

Selenium 0.24 0.02 mg/L 1 3.4 8/22/2012 6:58:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 8/22/2012 6:58:00 PM

Zinc 0.01 0.01 mg/L 1 0 8/22/2012 6:58:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 8/24/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 6 6 mg/L 1.12 15 8/22/2012 1:55:00 PM

I.D. 56-00306 PA DEP
Page 4 of 4

Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 8/21/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1208903

Lab ID: G1208903-002

DF

Geochemical Testing Date: 31-Aug-12

Received Date: 8/21/2012 4:59:01 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 41500 200 mg/L 10 0 8/22/2012 7:41:26 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 13100 100 mg/L 20 0 8/22/2012 7:41:41 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day 35 6 mg/L 6 0 8/22/2012 9:10:00 AM

Finish Date/Time 8/27/2012 09:33 0 mg/L 6 8/22/2012 9:10:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 16500 1000 mg/L 200 0 8/22/2012 2:32:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: MLR

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 8/21/2012 6:06:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/22/2012 7:30:00 PM

Selenium, dissolved 1.12 0.02 mg/L 1 0 8/22/2012 7:30:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.264 0.100 mg/L 500 0 8/30/2012 8:47:27 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 174 1.0 mg/L 1 0 8/23/2012 4:34:45 AM

Arsenic 1.14 0.20 mg/L 1 0 8/23/2012 4:34:45 AM

Beryllium 0.035 0.010 mg/L 1 0 8/24/2012 12:45:13 PM

Boron 397 5.00 mg/L 10 0 8/24/2012 12:42:38 PM

Cadmium 0.113 0.020 mg/L 1 0 8/23/2012 4:34:45 AM

Chromium 1.03 0.10 mg/L 1 0 8/23/2012 4:34:45 AM

Copper 0.62 0.10 mg/L 1 0 8/23/2012 4:34:45 AM

Iron 1040 0.50 mg/L 1 0 8/23/2012 4:34:45 AM

Lead 0.43 0.20 mg/L 1 0 8/23/2012 4:34:45 AM

Manganese 338 0.10 mg/L 1 0 8/23/2012 4:34:45 AM

Nickel 2.41 0.10 mg/L 1 0 8/23/2012 4:34:45 AM

Selenium 3.16 0.20 mg/L 1 0 8/23/2012 4:34:45 AM

Silver < 0.050 0.050 mg/L 1 0 8/24/2012 12:45:13 PM

Zinc 2.34 0.10 mg/L 1 0 8/24/2012 12:45:13 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.02 0.02 mg/L 1 0 8/24/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 8/22/2012 2:48:00 PM

I.D. 56-00306 PA DEP
Page 1 of 4

Friday, September 07, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1208B61

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 8/28/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Tim othy W .Bergstresser

DirectorofTechnicalServices
Page 2 of 4

Geochemical Testin Date: 07-Sep-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1208B61

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit
Page 3 of 4

Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 8/28/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1208B61

Lab ID: G1208B61-001

DF

Geochemical Testing Date: 07-Sep-12

Received Date: 8/28/2012 5:49:51 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3 1 mg/L 1 10 8/29/2012 1:52:20 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 38600 100 mg/L 5 0 8/29/2012 1:38:44 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 8/30/2012 6:50:00 AM

Finish Date/Time 9/4/2012 07:50 0 mg/L 1.5 0 8/30/2012 6:50:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 14300 1000 mg/L 200 0 8/30/2012 8:47:00 AM

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/29/2012 7:56:00 PM

Selenium, dissolved 0.14 0.02 mg/L 1 0 8/29/2012 7:56:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0010 0.0010 mg/L 5 0.004 8/30/2012 9:11:45 AM

INORGANIC METALS EPA 200.7 Analyst: AM

Aluminum < 0.1 0.1 mg/L 1 0 8/29/2012 7:45:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 8/29/2012 7:45:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 8/29/2012 7:45:00 PM

Boron 279 2.50 mg/L 50 0 8/30/2012 11:27:11 AM

Cadmium < 0.002 0.002 mg/L 1 0 8/29/2012 7:45:00 PM

Chromium < 0.01 0.01 mg/L 1 0 8/29/2012 7:45:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 8/29/2012 7:45:00 PM

Iron < 0.05 0.05 mg/L 1 0 8/29/2012 7:45:00 PM

Lead 0.02 0.02 mg/L 1 0.1 8/29/2012 7:45:00 PM

Manganese 10.0 0.01 mg/L 1 0 8/29/2012 7:45:00 PM

Nickel < 0.01 0.01 mg/L 1 0 8/29/2012 7:45:00 PM

Selenium 0.12 0.02 mg/L 1 3.4 8/29/2012 7:45:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 8/29/2012 7:45:00 PM

Zinc < 0.01 0.01 mg/L 1 0 8/29/2012 7:45:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 9/5/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.01 15 8/30/2012 6:39:00 PM

I.D. 56-00306 PA DEP
Page 4 of 4

Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 8/28/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1208B61

Lab ID: G1208B61-002

DF

Geochemical Testing Date: 07-Sep-12

Received Date: 8/28/2012 5:49:51 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24100 100 mg/L 5 0 8/29/2012 1:38:44 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 23300 100 mg/L 20 0 8/29/2012 1:52:19 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 28 6 mg/L 6 0 8/30/2012 6:50:00 AM

Finish Date/Time 9/4/2012 07:50 0 mg/L 6 8/30/2012 6:50:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 16300 1000 mg/L 200 0 8/30/2012 8:47:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: JS

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 8/28/2012 6:55:00 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/29/2012 8:23:00 PM

Selenium, dissolved 0.69 0.02 mg/L 1 0 8/29/2012 8:23:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.535 0.100 mg/L 500 0 8/30/2012 9:13:58 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 382 1.0 mg/L 1 0 8/31/2012 10:09:18 PM

Arsenic 2.29 0.20 mg/L 1 0 8/31/2012 10:09:18 PM

Beryllium 0.062 0.010 mg/L 1 0 8/31/2012 10:09:18 PM

Boron 425 5.00 mg/L 10 0 9/4/2012 6:25:00 PM

Cadmium 0.040 0.020 mg/L 1 0 8/31/2012 10:09:18 PM

Chromium 2.11 0.10 mg/L 1 0 8/31/2012 10:09:18 PM

Copper 1.47 0.10 mg/L 1 0 9/5/2012 3:08:00 AM

Iron 2290 5.00 mg/L 10 0 9/4/2012 6:25:00 PM

Lead 0.68 0.20 mg/L 1 0 8/31/2012 10:09:18 PM

Manganese 357 0.10 mg/L 1 0 8/31/2012 10:09:18 PM

Nickel 3.27 0.10 mg/L 1 0 8/31/2012 10:09:18 PM

Selenium 5.89 0.20 mg/L 1 0 9/5/2012 3:08:00 AM

Silver < 0.050 0.050 mg/L 1 0 8/31/2012 10:09:18 PM

Zinc 4.57 0.10 mg/L 1 0 8/31/2012 10:09:18 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.11 0.02 mg/L 1 0 9/5/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.85 0 8/30/2012 6:39:00 PM

I.D. 56-00306 PA DEP
Monday, September 17, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1209135

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 9/5/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 5
Geochemical Testin Date: 17-Sep-12 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1209135

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 5
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 9/5/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1209135

Lab ID: G1209135-001

DF

Geochemical Testing Date: 17-Sep-12

Received Date: 9/5/2012 6:24:43 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 6 5 mg/L 1 10 9/6/2012 1:52:51 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 33700 20 mg/L 1 0 9/6/2012 1:53:33 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 9/6/2012 9:45:00 AM

Finish Date/Time 9/11/2012 10:35 0 mg/L 1.5 0 9/6/2012 9:45:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 15300 1000 mg/L 200 0 9/7/2012 2:20:00 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/6/2012 7:45:00 PM

Selenium, dissolved 0.12 0.02 mg/L 1 0 9/6/2012 7:45:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 9/10/2012 8:02:16 AM

INORGANIC METALS EPA 200.7 Analyst: AM

Aluminum < 0.1 0.1 mg/L 1 0 9/6/2012 7:26:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 9/6/2012 7:26:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 9/6/2012 7:26:00 PM

Boron 287 2.50 mg/L 50 0 9/7/2012 3:28:20 PM

Cadmium 0.002 0.002 mg/L 1 0 9/6/2012 7:26:00 PM

Chromium < 0.01 0.01 mg/L 1 0 9/6/2012 7:26:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 9/6/2012 7:26:00 PM

Iron < 0.05 0.05 mg/L 1 0 9/6/2012 7:26:00 PM

Lead 0.02 0.02 mg/L 1 0.1 9/6/2012 7:26:00 PM

Manganese 10.9 0.01 mg/L 1 0 9/6/2012 7:26:00 PM

Nickel 0.01 0.01 mg/L 1 0 9/6/2012 7:26:00 PM

Selenium 0.10 0.02 mg/L 1 3.4 9/6/2012 7:26:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 9/6/2012 7:26:00 PM

Zinc < 0.01 0.01 mg/L 1 0 9/6/2012 7:26:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 9/14/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.01 15 9/7/2012 10:27:00 AM

I.D. 56-00306 PA DEP

Page 3 of 5
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 9/5/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1209135

Lab ID: G1209135-002

DF

Geochemical Testing Date: 17-Sep-12

Received Date: 9/5/2012 6:24:43 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 46400 200 mg/L 10 0 9/6/2012 1:53:33 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 20900 100 mg/L 20 0 9/6/2012 1:53:12 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 7 3 mg/L 3 0 9/6/2012 9:45:00 AM

Finish Date/Time 9/11/2012 10:35 0 mg/L 3 9/6/2012 9:45:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 18200 1000 mg/L 200 0 9/7/2012 2:20:00 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/6/2012 8:11:00 PM

Selenium, dissolved 0.21 0.02 mg/L 1 0 9/6/2012 8:11:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.670 0.100 mg/L 500 0 9/10/2012 8:04:27 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 337 1.0 mg/L 1 0 9/12/2012 12:18:39 AM

Arsenic 2.22 0.20 mg/L 1 0 9/12/2012 12:18:39 AM

Beryllium 0.057 0.010 mg/L 1 0 9/12/2012 12:18:39 AM

Boron 438 5.00 mg/L 10 0 9/12/2012 9:33:00 PM

Cadmium 0.023 0.020 mg/L 1 0 9/12/2012 12:18:39 AM

Chromium 2.06 0.10 mg/L 1 0 9/12/2012 12:18:39 AM

Copper 1.61 0.10 mg/L 1 0 9/12/2012 12:18:39 AM

Iron 2140 5.00 mg/L 10 0 9/12/2012 9:33:00 PM

Lead 0.82 0.20 mg/L 1 0 9/12/2012 12:18:39 AM

Manganese 379 0.10 mg/L 1 0 9/12/2012 12:18:39 AM

Nickel 3.40 0.10 mg/L 1 0 9/12/2012 12:18:39 AM

Selenium 5.78 0.20 mg/L 1 0 9/12/2012 12:18:39 AM

Silver < 0.050 0.050 mg/L 1 0 9/13/2012 11:18:00 PM

Zinc 4.96 0.10 mg/L 1 0 9/12/2012 12:18:39 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.05 0.02 mg/L 1 0 9/14/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 9/7/2012 10:33:00 AM

I.D. 56-00306 PA DEP

Page 4 of 5
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 9/5/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1209135

Lab ID: G1209135-002

DF

Geochemical Testing Date: 17-Sep-12

Received Date: 9/5/2012 6:24:43 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 46400 200 mg/L 10 0 9/6/2012 1:53:33 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 20900 100 mg/L 20 0 9/6/2012 1:53:12 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 7 3 mg/L 3 0 9/6/2012 9:45:00 AM

Finish Date/Time 9/11/2012 10:35 0 mg/L 3 9/6/2012 9:45:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 18200 1000 mg/L 200 0 9/7/2012 2:20:00 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/6/2012 8:11:00 PM

Selenium, dissolved 0.21 0.02 mg/L 1 0 9/6/2012 8:11:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.670 0.100 mg/L 500 0 9/10/2012 8:04:27 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 337 1.0 mg/L 1 0 9/12/2012 12:18:39 AM

Arsenic 2.22 0.20 mg/L 1 0 9/12/2012 12:18:39 AM

Beryllium 0.057 0.010 mg/L 1 0 9/12/2012 12:18:39 AM

Boron 438 5.00 mg/L 10 0 9/12/2012 9:33:00 PM

Cadmium 0.023 0.020 mg/L 1 0 9/12/2012 12:18:39 AM

Chromium 2.06 0.10 mg/L 1 0 9/12/2012 12:18:39 AM

Copper 1.61 0.10 mg/L 1 0 9/12/2012 12:18:39 AM

Iron 2140 5.00 mg/L 10 0 9/12/2012 9:33:00 PM

Lead 0.82 0.20 mg/L 1 0 9/12/2012 12:18:39 AM

Manganese 379 0.10 mg/L 1 0 9/12/2012 12:18:39 AM

Nickel 3.40 0.10 mg/L 1 0 9/12/2012 12:18:39 AM

Selenium 5.78 0.20 mg/L 1 0 9/12/2012 12:18:39 AM

Silver < 0.050 0.050 mg/L 1 0 9/13/2012 11:18:00 PM

Zinc 4.96 0.10 mg/L 1 0 9/12/2012 12:18:39 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.05 0.02 mg/L 1 0 9/14/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 9/7/2012 10:33:00 AM

I.D. 56-00306 PA DEP

Page 5 of 5
Wednesday, September 19, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1209391

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 9/11/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 19-Sep-12 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1209391

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 9/11/2012 10:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1209391

Lab ID: G1209391-001

DF

Geochemical Testing Date: 19-Sep-12

Received Date: 9/11/2012 7:04:09 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 9/12/2012 3:35:46 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 34800 200 mg/L 10 0 9/12/2012 3:35:26 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 9/12/2012 8:50:00 AM

Finish Date/Time 9/17/2012 09:45 0 mg/L 1.5 0 9/12/2012 8:50:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 16900 1000 mg/L 200 0 9/12/2012 11:43:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/14/2012 3:23:00 AM

Selenium, dissolved 0.11 0.02 mg/L 1 0 9/14/2012 3:23:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 9/13/2012 9:22:44 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 9/14/2012 3:15:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 9/14/2012 6:10:51 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 9/14/2012 3:15:00 AM

Boron 330 2.50 mg/L 50 0 9/14/2012 6:08:14 PM

Cadmium 0.004 0.002 mg/L 1 0 9/14/2012 3:15:00 AM

Chromium < 0.01 0.01 mg/L 1 0 9/14/2012 6:10:51 PM

Copper < 0.01 0.01 mg/L 1 0.1 9/14/2012 3:15:00 AM

Iron < 0.05 0.05 mg/L 1 0 9/14/2012 3:15:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 9/14/2012 6:10:51 PM

Manganese 25.3 0.01 mg/L 1 0 9/14/2012 3:15:00 AM

Nickel 0.01 0.01 mg/L 1 0 9/14/2012 3:15:00 AM

Selenium 0.14 0.02 mg/L 1 3.4 9/14/2012 3:15:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 9/14/2012 3:15:00 AM

Zinc < 0.01 0.01 mg/L 1 0 9/14/2012 3:15:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 9/18/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.01 15 9/12/2012 1:09:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 9/11/2012 10:20:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1209391

Lab ID: G1209391-002

DF

Geochemical Testing Date: 19-Sep-12

Received Date: 9/11/2012 7:04:09 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 38000 200 mg/L 10 0 9/12/2012 3:35:27 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 16400 100 mg/L 20 0 9/12/2012 3:35:53 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 16 3 mg/L 3 0 9/12/2012 8:50:00 AM

Finish Date/Time 9/17/2012 09:45 0 mg/L 3 0 9/12/2012 8:50:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEM

Chloride 17200 1000 mg/L 200 0 9/12/2012 11:43:00 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/14/2012 3:30:00 AM

Selenium, dissolved 1.09 0.02 mg/L 1 0 9/14/2012 3:30:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.465 0.100 mg/L 500 0 9/13/2012 9:24:58 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 254 1.0 mg/L 1 0 9/15/2012 2:07:23 AM

Arsenic 1.80 0.20 mg/L 1 0 9/15/2012 2:07:23 AM

Beryllium 0.042 0.010 mg/L 1 0 9/15/2012 2:07:23 AM

Boron 437 5.00 mg/L 10 0 9/17/2012 4:15:00 PM

Cadmium 0.040 0.020 mg/L 1 0 9/15/2012 2:07:23 AM

Chromium 1.32 0.10 mg/L 1 0 9/15/2012 2:07:23 AM

Copper 1.03 0.10 mg/L 1 0 9/15/2012 2:07:23 AM

Iron 1420 0.50 mg/L 1 0 9/15/2012 2:07:23 AM

Lead 0.62 0.20 mg/L 1 0 9/15/2012 2:07:23 AM

Manganese 332 0.10 mg/L 1 0 9/15/2012 2:07:23 AM

Nickel 2.56 0.10 mg/L 1 0 9/15/2012 2:07:23 AM

Selenium 5.00 0.20 mg/L 1 0 9/15/2012 2:07:23 AM

Silver < 0.050 0.050 mg/L 1 0 9/15/2012 2:07:23 AM

Zinc 3.54 0.10 mg/L 1 0 9/15/2012 2:07:23 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.28 0.02 mg/L 1 0 9/18/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 24 24 mg/L 4.76 0 9/12/2012 3:03:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, October 01, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1209747

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 9/18/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 01-Oct-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1209747

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 9/18/2012 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1209747

Lab ID: G1209747-001

DF

Geochemical Testing Date: 01-Oct-12

Received Date: 9/18/2012 6:19:09 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2 1 mg/L 1 10 9/19/2012 3:20:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 32600 200 mg/L 10 0 9/19/2012 3:20:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day 10 3 mg/L 3 25 9/19/2012 8:00:00 AM

Finish Date/Time 9/24/2012 08:00 0 mg/L 3 0 9/19/2012 8:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15600 1000 mg/L 200 0 9/24/2012 12:43:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/20/2012 7:15:34 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 9/20/2012 7:15:34 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 9/20/2012 2:25:41 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 9/20/2012 7:12:59 PM

Arsenic < 0.02 0.02 mg/L 1 0 9/20/2012 7:12:59 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 9/20/2012 7:12:59 PM

Boron 285 2.50 mg/L 50 0 9/21/2012 4:12:04 PM

Cadmium < 0.002 0.002 mg/L 1 0 9/20/2012 7:12:59 PM

Chromium < 0.01 0.01 mg/L 1 0 9/20/2012 7:12:59 PM

Copper < 0.01 0.01 mg/L 1 0.1 9/20/2012 7:12:59 PM

Iron < 0.05 0.05 mg/L 1 0 9/20/2012 7:12:59 PM

Lead < 0.02 0.02 mg/L 1 0.1 9/20/2012 7:12:59 PM

Manganese 32.9 0.01 mg/L 1 0 9/20/2012 7:12:59 PM

Nickel < 0.01 0.01 mg/L 1 0 9/20/2012 7:12:59 PM

Selenium 0.11 0.02 mg/L 1 3.4 9/20/2012 7:12:59 PM

Silver < 0.005 0.005 mg/L 1 0.1 9/20/2012 7:12:59 PM

Zinc < 0.01 0.01 mg/L 1 0 9/20/2012 7:12:59 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 9/24/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.01 15 9/20/2012 5:27:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 9/18/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1209747

Lab ID: G1209747-002

DF

Geochemical Testing Date: 01-Oct-12

Received Date: 9/18/2012 6:19:09 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 29200 20 mg/L 1 0 9/19/2012 3:20:00 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2120 100 mg/L 20 0 9/19/2012 3:20:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day < 2 2 mg/L 1.5 0 9/19/2012 8:00:00 AM

Finish Date/Time 9/24/2012 08:00 0 mg/L 1.5 9/19/2012 8:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15700 1000 mg/L 200 0 9/24/2012 12:43:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: MLR

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 9/18/2012 7:04:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/20/2012 8:28:23 PM

Selenium, dissolved 1.01 0.02 mg/L 1 0 9/20/2012 8:28:23 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.100 0.100 mg/L 500 0 9/20/2012 2:32:27 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 36.6 1.0 mg/L 1 0 9/25/2012 7:47:00 AM

Arsenic < 0.20 0.20 mg/L 1 0 9/25/2012 7:47:00 AM

Beryllium < 0.010 0.010 mg/L 1 0 9/25/2012 7:47:00 AM

Boron 317 5.00 mg/L 10 0 9/24/2012 6:21:00 PM

Cadmium 0.053 0.020 mg/L 1 0 9/25/2012 7:47:00 AM

Chromium 0.12 0.10 mg/L 1 0 9/25/2012 7:47:00 AM

Copper 0.12 0.10 mg/L 1 0 9/25/2012 7:47:00 AM

Iron 216 0.50 mg/L 1 0 9/25/2012 7:47:00 AM

Lead < 0.20 0.20 mg/L 1 0 9/25/2012 7:47:00 AM

Manganese 304 0.10 mg/L 1 0 9/25/2012 7:47:00 AM

Nickel 1.48 0.10 mg/L 1 0 9/25/2012 7:47:00 AM

Selenium 1.57 0.20 mg/L 1 0 9/27/2012 11:39:00 PM

Silver < 0.050 0.050 mg/L 1 0 9/25/2012 7:47:00 AM

Zinc 0.55 0.10 mg/L 1 0 9/25/2012 7:47:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.12 0.02 mg/L 1 0 9/27/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 18 18 mg/L 3.57 0 9/20/2012 5:24:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, October 16, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(a)

Order No.: G1210291

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 10/4/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 16-Oct-12 g

Project: Keystone 611 Q(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1210291

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 Q(a)

Client Sample ID: Outfall 101

Collection Date: 10/4/2012 1:00:00 PM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1210291

Lab ID: G1210291-001

DF

Geochemical Testing Date: 16-Oct-12

Received Date: 10/4/2012 5:16:46 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3 1 mg/L 1 10 10/5/2012 3:17:20 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 22600 20 mg/L 1 0 10/5/2012 3:16:50 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 10/5/2012 11:32:00 AM

Finish Date/Time 10/10/2012 11:45 0 mg/L 1.5 10/5/2012 11:32:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 11900 1000 mg/L 200 0 10/5/2012 4:08:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/9/2012 8:18:47 PM

Selenium, dissolved 0.16 0.02 mg/L 1 0 10/9/2012 8:18:47 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 10/9/2012 12:51:17 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 10/9/2012 8:16:11 PM

Arsenic < 0.02 0.02 mg/L 1 0 10/9/2012 8:16:11 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 10/9/2012 8:16:11 PM

Boron 191 2.50 mg/L 50 0 10/10/2012 2:07:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 10/9/2012 8:16:11 PM

Chromium < 0.01 0.01 mg/L 1 0 10/9/2012 8:16:11 PM

Copper < 0.01 0.01 mg/L 1 0.1 10/9/2012 8:16:11 PM

Iron 0.06 0.05 mg/L 1 0 10/9/2012 8:16:11 PM

Lead < 0.02 0.02 mg/L 1 0.1 10/9/2012 8:16:11 PM

Manganese 10.6 0.01 mg/L 1 0 10/9/2012 8:16:11 PM

Nickel 0.01 0.01 mg/L 1 0 10/9/2012 8:16:11 PM

Selenium 0.16 0.02 mg/L 1 3.4 10/9/2012 8:16:11 PM

Silver < 0.005 0.005 mg/L 1 0.1 10/9/2012 8:16:11 PM

Zinc < 0.01 0.01 mg/L 1 0 10/9/2012 8:16:11 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 10/10/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.06 15 10/11/2012 8:07:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 Q(a)

Client Sample ID: FGD Influent

Collection Date: 10/4/2012 12:45:00 PM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1210291

Lab ID: G1210291-002

DF

Geochemical Testing Date: 16-Oct-12

Received Date: 10/4/2012 5:16:46 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27600 200 mg/L 10 0 10/5/2012 3:16:49 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 15000 100 mg/L 20 0 10/5/2012 3:17:21 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 23 6 mg/L 6 0 10/5/2012 11:32:00 AM

Finish Date/Time 10/10/2012 11:45 0 mg/L 6 10/5/2012 11:32:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 15600 1000 mg/L 200 0 10/5/2012 4:08:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/9/2012 8:26:36 PM

Selenium, dissolved 0.22 0.02 mg/L 1 0 10/9/2012 8:26:36 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.0008 0.0002 mg/L 1 0 10/9/2012 12:53:31 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 238 1.0 mg/L 1 0 10/9/2012 11:10:47 PM

Arsenic 1.67 0.20 mg/L 1 0 10/9/2012 11:10:47 PM

Beryllium 0.042 0.010 mg/L 1 0 10/9/2012 11:10:47 PM

Boron 339 5.00 mg/L 10 0 10/10/2012 2:20:00 PM

Cadmium 0.033 0.020 mg/L 1 0 10/9/2012 11:10:47 PM

Chromium 1.23 0.10 mg/L 1 0 10/9/2012 11:10:47 PM

Copper 0.92 0.10 mg/L 1 0 10/9/2012 11:10:47 PM

Iron 1280 0.50 mg/L 1 0 10/9/2012 11:10:47 PM

Lead 0.50 0.20 mg/L 1 0 10/9/2012 11:10:47 PM

Manganese 324 0.10 mg/L 1 0 10/9/2012 11:10:47 PM

Nickel 2.45 0.10 mg/L 1 0 10/9/2012 11:10:47 PM

Selenium 4.34 0.20 mg/L 1 0 10/11/2012 2:15:00 AM

Silver < 0.050 0.050 mg/L 1 0 10/9/2012 11:10:47 PM

Zinc 2.95 0.10 mg/L 1 0 10/9/2012 11:10:47 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.20 0.02 mg/L 1 0 10/10/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.85 0 10/11/2012 8:08:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Page 1 of 4

Wednesday, November 14, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(b)

Order No.: G1210429

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 10/9/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Tim othy W .Bergstresser

DirectorofTechnicalServices
Page 2 of 4

Geochemical Testin Date: 14-Nov-12 g

Project: Keystone 611 Q(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1210429

CASE NARRATIVE

REVISED REPORT: Oil & grease value changed for -001.

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

G1210429-001 did not pass QA review for BOD and was reanalyzed out of hold-time.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit
Page 3 of 4

Project: Keystone 611 Q(b)

Client Sample ID: Outfall 101

Collection Date: 10/9/2012 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1210429

Lab ID: G1210429-001

DF

Geochemical Testing Date: 14-Nov-12

Received Date: 10/9/2012 5:28:29 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 10/10/2012 3:15:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 22300 20 mg/L 1 0 10/10/2012 3:15:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day H 10/17/2012 8:25:00 A < 3 3 mg/L 3 25 M

Finish Date/Time H 10/17/2012 8:25:00 A < 0 0 mg/L 3 0 M

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 13000 1000 mg/L 200 0 10/11/2012 10:31:00 A

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/12/2012 6:41:00 AM

Selenium, dissolved 0.21 0.02 mg/L 1 0 10/12/2012 6:41:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 10/11/2012 9:10:51 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 10/13/2012 9:04:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 10/13/2012 9:04:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 10/13/2012 9:04:00 AM

Boron 226 1.25 mg/L 25 0 10/15/2012 9:00:04 PM

Cadmium < 0.002 0.002 mg/L 1 0 10/13/2012 9:04:00 AM

Chromium < 0.01 0.01 mg/L 1 0 10/13/2012 9:04:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 10/13/2012 9:04:00 AM

Iron < 0.05 0.05 mg/L 1 0 10/13/2012 9:04:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 10/13/2012 9:04:00 AM

Manganese 13.6 0.01 mg/L 1 0 10/15/2012 9:02:39 PM

Nickel < 0.01 0.01 mg/L 1 0 10/13/2012 9:04:00 AM

Selenium 0.18 0.02 mg/L 1 3.4 10/13/2012 9:04:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 10/13/2012 9:04:00 AM

Zinc < 0.01 0.01 mg/L 1 0 10/13/2012 9:04:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 10/16/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 10/12/2012 8:07:00 AM

I.D. 56-00306 PA DEP
Page 4 of 4

Project: Keystone 611 Q(b)

Client Sample ID: FGD Influent

Collection Date: 10/9/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1210429

Lab ID: G1210429-002

DF

Geochemical Testing Date: 14-Nov-12

Received Date: 10/9/2012 5:28:29 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 22400 100 mg/L 5 0 10/10/2012 3:15:00 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 710 50 mg/L 10 0 10/10/2012 3:15:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day 12 3 mg/L 3 0 10/10/2012 10:00:00 A

Finish Date/Time 10/15/2012 10:45 0 mg/L 3 0 10/10/2012 10:00:00 A

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 13200 1000 mg/L 200 0 10/11/2012 10:31:00 A

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/12/2012 6:57:00 AM

Selenium, dissolved 0.79 0.02 mg/L 1 0 10/12/2012 6:57:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0 10/11/2012 9:12:29 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 17.1 1.0 mg/L 1 0 10/12/2012 1:32:00 AM

Arsenic < 0.20 0.20 mg/L 1 0 10/12/2012 1:32:00 AM

Beryllium < 0.010 0.010 mg/L 1 0 10/12/2012 1:32:00 AM

Boron 311 5.00 mg/L 10 0 10/15/2012 7:11:22 PM

Cadmium 0.037 0.020 mg/L 1 0 10/12/2012 1:32:00 AM

Chromium < 0.10 0.10 mg/L 1 0 10/12/2012 1:32:00 AM

Copper < 0.10 0.10 mg/L 1 0 10/12/2012 1:32:00 AM

Iron 119 0.50 mg/L 1 0 10/12/2012 1:32:00 AM

Lead < 0.20 0.20 mg/L 1 0 10/12/2012 1:32:00 AM

Manganese 289 0.10 mg/L 1 0 10/12/2012 1:32:00 AM

Nickel 1.35 0.10 mg/L 1 0 10/12/2012 1:32:00 AM

Selenium 1.24 0.20 mg/L 1 0 10/12/2012 1:32:00 AM

Silver < 0.050 0.050 mg/L 1 0 10/12/2012 1:32:00 AM

Zinc 0.31 0.10 mg/L 1 0 10/12/2012 1:32:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 10/16/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 22 22 mg/L 4.35 0 10/12/2012 8:03:00 AM

I.D. 56-00306 PA DEP
Wednesday, October 31, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1210954

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 10/19/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 31-Oct-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1210954

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 10/19/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1210954

Lab ID: G1210954-001

DF

Geochemical Testing Date: 31-Oct-12

Received Date: 10/19/2012 1:46:04 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5 1 mg/L 1 10 10/19/2012 2:19:10 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 19100 20 mg/L 1 0 10/22/2012 3:15:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: JS

BOD 5-day 6 2 mg/L 1.5 25 10/19/2012 5:57:00 PM

Finish Date/Time 10/24/2012 17:25 0 mg/L 1.5 0 10/19/2012 5:57:00 PM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 10000 1000 mg/L 200 0 10/23/2012 11:17:00 A

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/23/2012 2:44:00 PM

Selenium, dissolved 0.09 0.02 mg/L 1 0 10/23/2012 2:44:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury ** 10/25/2012 2:10:16 P 0.0092 0.0050 mg/L 25 0.004 M

INORGANIC METALS EPA 200.7 Analyst: AM

Aluminum < 0.1 0.1 mg/L 1 0 10/26/2012 3:35:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 10/26/2012 3:35:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 10/25/2012 8:40:00 PM

Boron 186 1.00 mg/L 20 0 10/26/2012 2:14:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 10/26/2012 3:35:00 PM

Chromium < 0.01 0.01 mg/L 1 0 10/26/2012 3:35:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 10/25/2012 8:40:00 PM

Iron < 0.05 0.05 mg/L 1 0 10/25/2012 8:40:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 10/26/2012 3:35:00 PM

Manganese 3.58 0.01 mg/L 1 0 10/25/2012 8:40:00 PM

Nickel 0.01 0.01 mg/L 1 0 10/25/2012 8:40:00 PM

Selenium 0.08 0.02 mg/L 1 3.4 10/25/2012 8:40:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 10/26/2012 3:35:00 PM

Zinc < 0.01 0.01 mg/L 1 0 10/26/2012 3:35:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 10/29/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.06 15 10/24/2012 7:17:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 10/19/2012 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1210954

Lab ID: G1210954-002

DF

Geochemical Testing Date: 31-Oct-12

Received Date: 10/19/2012 1:46:04 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24900 200 mg/L 10 0 10/22/2012 3:15:00 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 220 100 mg/L 20 0 10/22/2012 3:15:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: JS

BOD 5-day 62 12 mg/L 12 0 10/19/2012 5:57:00 PM

Finish Date/Time 10/24/2012 17:25 0 mg/L 12 10/19/2012 5:57:00 PM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 10400 1000 mg/L 200 0 10/23/2012 11:17:00 A

INORGANIC METALS USGS I-1230-85 Analyst: JS

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 10/19/2012 3:35:00 PM

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/23/2012 2:48:00 PM

Selenium, dissolved 0.12 0.02 mg/L 1 0 10/23/2012 2:48:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.0012 0.0002 mg/L 1 0 10/24/2012 8:29:45 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Aluminum 453 1.0 mg/L 1 0 10/24/2012 3:56:00 PM

Arsenic 2.00 0.20 mg/L 1 0 10/24/2012 3:56:00 PM

Beryllium 0.070 0.010 mg/L 1 0 10/24/2012 3:56:00 PM

Boron 290 5.00 mg/L 10 0 10/29/2012 9:04:00 AM

Cadmium < 0.020 0.020 mg/L 1 0 10/24/2012 3:56:00 PM

Chromium 2.06 0.10 mg/L 1 0 10/24/2012 3:56:00 PM

Copper 1.32 0.10 mg/L 1 0 10/27/2012 3:51:00 PM

Iron 2670 5.00 mg/L 10 0 10/25/2012 1:10:00 PM

Lead 0.78 0.20 mg/L 1 0 10/24/2012 3:56:00 PM

Manganese 289 1.00 mg/L 10 0 10/25/2012 1:10:00 PM

Nickel 3.11 0.10 mg/L 1 0 10/24/2012 3:56:00 PM

Selenium 4.95 0.20 mg/L 1 0 10/24/2012 3:56:00 PM

Silver < 0.050 0.050 mg/L 1 0 10/24/2012 3:56:00 PM

Zinc 3.85 0.10 mg/L 1 0 10/24/2012 3:56:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.06 0.02 mg/L 1 0 10/29/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 10/24/2012 7:24:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, November 06, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1210B35

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 10/24/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 06-Nov-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1210B35

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 10/24/2012 10:00:00 A

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1210B35

Lab ID: G1210B35-001

DF

Geochemical Testing Date: 06-Nov-12

Received Date: 10/24/2012 6:24:36 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2 1 mg/L 1 10 10/25/2012 2:18:47 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 19500 20 mg/L 1 0 10/25/2012 2:19:47 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 3 2 mg/L 1.5 25 10/25/2012 9:50:00 AM

Finish Date/Time 10/30/2012 09:25 0 mg/L 1.5 0 10/25/2012 9:50:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 12000 1000 mg/L 200 0 10/26/2012 10:07:00 A

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/26/2012 2:53:00 PM

Selenium, dissolved 0.14 0.02 mg/L 1 0 10/26/2012 2:53:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.0008 0.0002 mg/L 1 0.004 10/25/2012 2:57:33 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 10/28/2012 11:09:00 P

Arsenic < 0.02 0.02 mg/L 1 0 10/28/2012 11:09:00 P

Beryllium < 0.001 0.001 mg/L 1 0.8 10/28/2012 11:09:00 P

Boron 213 2.50 mg/L 50 0 10/30/2012 3:39:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 10/28/2012 11:09:00 P

Chromium < 0.01 0.01 mg/L 1 0 10/28/2012 11:09:00 P

Copper < 0.01 0.01 mg/L 1 0.1 10/28/2012 11:09:00 P

Iron < 0.05 0.05 mg/L 1 0 10/28/2012 11:09:00 P

Lead < 0.02 0.02 mg/L 1 0.1 10/28/2012 11:09:00 P

Manganese 16.1 0.01 mg/L 1 0 10/28/2012 11:09:00 P

Nickel 0.02 0.01 mg/L 1 0 10/28/2012 11:09:00 P

Selenium 0.10 0.02 mg/L 1 3.4 10/28/2012 11:09:00 P

Silver < 0.005 0.005 mg/L 1 0.1 10/28/2012 11:09:00 P

Zinc < 0.01 0.01 mg/L 1 0 10/28/2012 11:09:00 P

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 10/30/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.02 15 10/29/2012 4:14:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 10/24/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1210B35

Lab ID: G1210B35-002

DF

Geochemical Testing Date: 06-Nov-12

Received Date: 10/24/2012 6:24:36 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23000 200 mg/L 10 0 10/25/2012 2:19:47 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 13300 100 mg/L 20 0 10/25/2012 2:18:55 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 64 12 mg/L 12 0 10/25/2012 9:50:00 AM

Finish Date/Time 10/30/2012 09:25 0 mg/L 12 10/25/2012 9:50:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 15100 1000 mg/L 200 0 10/26/2012 10:07:00 A

INORGANIC METALS USGS I-1230-85 Analyst: CLS

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 10/24/2012 7:18:00 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/26/2012 2:57:00 PM

Selenium, dissolved 0.25 0.02 mg/L 1 0 10/26/2012 2:57:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.418 0.100 mg/L 500 0 10/25/2012 3:02:30 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum 258 1.0 mg/L 1 0 11/1/2012 9:26:00 AM

Arsenic 1.49 0.20 mg/L 1 0 11/1/2012 9:26:00 AM

Beryllium 0.043 0.010 mg/L 1 0 11/1/2012 9:26:00 AM

Boron 328 5.00 mg/L 10 0 11/3/2012 3:31:00 AM

Cadmium < 0.020 0.020 mg/L 1 0 11/1/2012 9:26:00 AM

Chromium 1.42 0.10 mg/L 1 0 11/1/2012 9:26:00 AM

Copper 0.71 0.10 mg/L 1 0 11/1/2012 9:26:00 AM

Iron 1440 0.50 mg/L 1 0 11/1/2012 9:26:00 AM

Lead 0.63 0.20 mg/L 1 0 11/1/2012 9:26:00 AM

Manganese 317 0.10 mg/L 1 0 11/1/2012 9:26:00 AM

Nickel 2.89 0.10 mg/L 1 0 11/1/2012 9:26:00 AM

Selenium 4.43 0.20 mg/L 1 0 11/1/2012 9:26:00 AM

Silver < 0.050 0.050 mg/L 1 0 11/1/2012 9:26:00 AM

Zinc 2.94 0.10 mg/L 1 0 11/1/2012 9:26:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.42 0.02 mg/L 1 0 11/2/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 10/29/2012 4:12:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, November 12, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1210D22

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 10/30/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 12-Nov-12 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1210D22

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 10/30/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1210D22

Lab ID: G1210D22-001

DF

Geochemical Testing Date: 12-Nov-12

Received Date: 10/30/2012 5:17:09 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 10/31/2012 2:46:54 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23500 20 mg/L 1 0 10/31/2012 2:48:28 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 10 2 mg/L 1.5 25 10/31/2012 8:10:00 AM

Finish Date/Time 11/5/2012 07:40 0 mg/L 1.5 0 10/31/2012 8:10:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 13500 1000 mg/L 200 0 11/1/2012 7:51:00 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/1/2012 7:15:00 PM

Selenium, dissolved 0.12 0.02 mg/L 1 0 11/1/2012 7:15:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.0003 0.0002 mg/L 1 0.004 10/31/2012 1:33:51 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Aluminum < 0.1 0.1 mg/L 1 0 11/2/2012 10:12:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 11/2/2012 10:12:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 11/2/2012 10:12:00 PM

Boron 251 2.50 mg/L 50 0 11/6/2012 7:38:00 AM

Cadmium < 0.002 0.002 mg/L 1 0 11/2/2012 10:12:00 PM

Chromium < 0.01 0.01 mg/L 1 0 11/2/2012 10:12:00 PM

Copper 0.01 0.01 mg/L 1 0.1 11/2/2012 10:12:00 PM

Iron 0.11 0.05 mg/L 1 0 11/2/2012 10:12:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 11/2/2012 10:12:00 PM

Manganese 24.4 0.01 mg/L 1 0 11/2/2012 10:12:00 PM

Nickel 0.02 0.01 mg/L 1 0 11/2/2012 10:12:00 PM

Selenium 0.15 0.02 mg/L 1 3.4 11/2/2012 10:12:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 11/2/2012 10:12:00 PM

Zinc 0.01 0.01 mg/L 1 0 11/2/2012 10:12:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 11/6/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.01 15 10/31/2012 2:42:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 10/30/2012 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1210D22

Lab ID: G1210D22-002

DF

Geochemical Testing Date: 12-Nov-12

Received Date: 10/30/2012 5:17:09 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 28900 200 mg/L 10 0 10/31/2012 2:48:27 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 27000 100 mg/L 20 0 10/31/2012 2:46:56 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 140 30 mg/L 30 0 10/31/2012 8:10:00 AM

Finish Date/Time 11/5/2012 07:40 0 mg/L 30 10/31/2012 8:10:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 18600 1000 mg/L 200 0 11/1/2012 7:51:00 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/1/2012 7:19:00 PM

Selenium, dissolved 1.20 0.02 mg/L 1 0 11/1/2012 7:19:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.790 0.100 mg/L 500 0 10/31/2012 1:35:30 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Aluminum 160 1.0 mg/L 1 0 11/8/2012 10:16:00 AM

Arsenic 1.28 0.20 mg/L 1 0 11/8/2012 10:16:00 AM

Beryllium 0.028 0.010 mg/L 1 0 11/8/2012 10:16:00 AM

Boron 189 5.00 mg/L 10 0 11/8/2012 12:28:10 PM

Cadmium 0.039 0.020 mg/L 1 0 11/8/2012 10:16:00 AM

Chromium 0.90 0.10 mg/L 1 0 11/8/2012 10:16:00 AM

Copper 0.51 0.10 mg/L 1 0 11/8/2012 10:16:00 AM

Iron 887 0.50 mg/L 1 0 11/8/2012 10:16:00 AM

Lead 0.44 0.20 mg/L 1 0 11/8/2012 10:16:00 AM

Manganese 170 0.10 mg/L 1 0 11/8/2012 10:16:00 AM

Nickel 1.62 0.10 mg/L 1 0 11/8/2012 10:16:00 AM

Selenium 3.31 0.20 mg/L 1 0 11/8/2012 10:16:00 AM

Silver < 0.050 0.050 mg/L 1 0 11/8/2012 10:16:00 AM

Zinc 2.22 0.10 mg/L 1 0 11/8/2012 10:16:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.90 0.02 mg/L 1 0 11/9/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 24 24 mg/L 4.76 0 10/31/2012 2:49:00 PM

NOTES:

The pH of the sample was >2.

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, November 16, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1211316

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 11/7/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 16-Nov-12 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1211316

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 11/7/2012 10:25:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1211316

Lab ID: G1211316-001

DF

Geochemical Testing Date: 16-Nov-12

Received Date: 11/7/2012 5:43:37 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 11/8/2012 2:44:05 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 17500 20 mg/L 1 0 11/8/2012 2:43:35 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 11/8/2012 9:10:00 AM

Finish Date/Time 11/13/2012 08:25 0 mg/L 1.5 0 11/8/2012 9:10:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 10900 1000 mg/L 200 0 11/9/2012 10:43:00 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/8/2012 10:02:38 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 11/12/2012 3:53:02 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 11/12/2012 9:31:29 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 11/8/2012 9:52:16 PM

Arsenic < 0.02 0.02 mg/L 1 0 11/8/2012 9:52:16 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 11/8/2012 9:52:16 PM

Boron 190 1.25 mg/L 25 0 11/12/2012 3:50:28 PM

Cadmium < 0.002 0.002 mg/L 1 0 11/8/2012 9:52:16 PM

Chromium < 0.01 0.01 mg/L 1 0 11/8/2012 9:52:16 PM

Copper < 0.01 0.01 mg/L 1 0.1 11/8/2012 9:52:16 PM

Iron 0.07 0.05 mg/L 1 0 11/8/2012 9:52:16 PM

Lead < 0.02 0.02 mg/L 1 0.1 11/8/2012 9:52:16 PM

Manganese 18.8 0.01 mg/L 1 0 11/8/2012 9:52:16 PM

Nickel 0.02 0.01 mg/L 1 0 11/8/2012 9:52:16 PM

Selenium 0.10 0.02 mg/L 1 3.4 11/8/2012 9:52:16 PM

Silver < 0.005 0.005 mg/L 1 0.1 11/8/2012 9:52:16 PM

Zinc < 0.01 0.01 mg/L 1 0 11/8/2012 9:52:16 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 11/12/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 11/13/2012 3:01:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 11/7/2012 10:10:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1211316

Lab ID: G1211316-002

DF

Geochemical Testing Date: 16-Nov-12

Received Date: 11/7/2012 5:43:37 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 34900 200 mg/L 10 0 11/8/2012 2:43:35 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 29400 100 mg/L 20 0 11/8/2012 2:44:05 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 18 3 mg/L 3 0 11/8/2012 9:10:00 AM

Finish Date/Time 11/13/2012 08:25 0 mg/L 3 0 11/8/2012 9:10:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 18700 1000 mg/L 200 0 11/9/2012 10:43:00 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/8/2012 10:05:13 PM

Selenium, dissolved 0.20 0.02 mg/L 1 0 11/12/2012 3:55:35 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.770 0.100 mg/L 500 0 11/12/2012 9:33:06 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 544 1.0 mg/L 1 0 11/8/2012 4:40:30 PM

Arsenic 4.32 0.20 mg/L 1 0 11/8/2012 4:40:30 PM

Beryllium 0.071 0.010 mg/L 1 0 11/8/2012 4:40:30 PM

Boron 309 0.50 mg/L 1 0 11/8/2012 4:40:30 PM

Cadmium 0.041 0.020 mg/L 1 0 11/8/2012 4:40:30 PM

Chromium 2.50 0.10 mg/L 1 0 11/8/2012 4:40:30 PM

Copper 2.00 0.10 mg/L 1 0 11/8/2012 4:40:30 PM

Iron 3000 5.00 mg/L 10 0 11/12/2012 3:45:20 PM

Lead 0.86 0.20 mg/L 1 0 11/8/2012 4:40:30 PM

Manganese 332 0.10 mg/L 1 0 11/8/2012 4:40:30 PM

Nickel 4.13 0.10 mg/L 1 0 11/8/2012 4:40:30 PM

Selenium 7.57 0.20 mg/L 1 0 11/8/2012 4:40:30 PM

Silver < 0.050 0.050 mg/L 1 0 11/8/2012 4:40:30 PM

Zinc 5.90 0.10 mg/L 1 0 11/8/2012 4:40:30 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.50 0.02 mg/L 1 0 11/12/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.85 0 11/13/2012 3:05:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, November 20, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1211472

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 11/13/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 20-Nov-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1211472

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 11/12/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1211472

Lab ID: G1211472-001

DF

Geochemical Testing Date: 20-Nov-12

Received Date: 11/13/2012 9:35:18 AM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 1 1 mg/L 1 10 11/13/2012 2:57:50 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 22900 20 mg/L 1 0 11/13/2012 2:57:13 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 11/14/2012 7:55:00 AM

Finish Date/Time 11/19/2012 07:50 0 mg/L 1.5 0 11/14/2012 7:55:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14200 1000 mg/L 200 0 11/14/2012 9:12:00 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/15/2012 9:17:00 PM

Selenium, dissolved 0.11 0.02 mg/L 1 0 11/15/2012 9:17:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 11/14/2012 8:58:40 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 11/15/2012 9:08:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 11/15/2012 9:08:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 11/15/2012 9:08:00 PM

Boron 231 2.50 mg/L 50 0 11/16/2012 1:18:51 PM

Cadmium < 0.002 0.002 mg/L 1 0 11/15/2012 9:08:00 PM

Chromium < 0.01 0.01 mg/L 1 0 11/15/2012 9:08:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 11/15/2012 9:08:00 PM

Iron < 0.05 0.05 mg/L 1 0 11/15/2012 9:08:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 11/15/2012 9:08:00 PM

Manganese 15.8 0.01 mg/L 1 0 11/15/2012 9:08:00 PM

Nickel 0.01 0.01 mg/L 1 0 11/15/2012 9:08:00 PM

Selenium 0.12 0.02 mg/L 1 3.4 11/15/2012 9:08:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 11/15/2012 9:08:00 PM

Zinc < 0.01 0.01 mg/L 1 0 11/15/2012 9:08:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 11/16/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.03 15 11/15/2012 1:56:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 11/12/2012 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1211472

Lab ID: G1211472-002

DF

Geochemical Testing Date: 20-Nov-12

Received Date: 11/13/2012 9:35:18 AM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26400 200 mg/L 10 0 11/13/2012 2:57:13 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 11600 100 mg/L 20 0 11/13/2012 2:57:40 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 10 3 mg/L 3 0 11/14/2012 7:55:00 AM

Finish Date/Time 11/19/2012 07:50 0 mg/L 3 11/14/2012 7:55:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 13400 1000 mg/L 200 0 11/14/2012 9:12:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: MMR

Hexavalent Chromium H 11/13/2012 11:00:00 < 0.020 0.020 mg/L 1 0 A

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/15/2012 9:42:00 PM

Selenium, dissolved 0.30 0.02 mg/L 1 0 11/15/2012 9:42:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.364 0.100 mg/L 500 0 11/14/2012 9:45:59 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 184 1.0 mg/L 1 0 11/16/2012 4:18:00 AM

Arsenic 1.73 0.20 mg/L 1 0 11/16/2012 4:18:00 AM

Beryllium 0.028 0.010 mg/L 1 0 11/16/2012 4:18:00 AM

Boron 298 5.00 mg/L 10 0 11/16/2012 12:55:45 P

Cadmium 0.038 0.020 mg/L 1 0 11/16/2012 4:18:00 AM

Chromium 1.03 0.10 mg/L 1 0 11/16/2012 4:18:00 AM

Copper 0.70 0.10 mg/L 1 0 11/16/2012 4:18:00 AM

Iron 973 0.50 mg/L 1 0 11/16/2012 4:18:00 AM

Lead 0.45 0.20 mg/L 1 0 11/16/2012 4:18:00 AM

Manganese 260 0.10 mg/L 1 0 11/16/2012 4:18:00 AM

Nickel 2.53 0.10 mg/L 1 0 11/16/2012 4:18:00 AM

Selenium 3.71 0.20 mg/L 1 0 11/16/2012 4:18:00 AM

Silver < 0.050 0.050 mg/L 1 0 11/16/2012 4:18:00 AM

Zinc 2.56 0.10 mg/L 1 0 11/16/2012 4:18:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.03 0.02 mg/L 1 0 11/16/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.85 0 11/15/2012 2:49:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, December 03, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1211777

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 11/19/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 03-Dec-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1211777

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 11/19/2012 10:00:00 A

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1211777

Lab ID: G1211777-001

DF

Geochemical Testing Date: 03-Dec-12

Received Date: 11/19/2012 3:09:28 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 1 1 mg/L 1 10 11/20/2012 11:01:49 A

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 19900 100 mg/L 5 0 11/20/2012 11:02:23 A

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 11/21/2012 6:55:00 AM

Finish Date/Time 11/26/2012 07:02 0 mg/L 1.5 0 11/21/2012 6:55:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 11900 1000 mg/L 200 0 11/20/2012 11:22:00 A

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/26/2012 10:48:00 A

Selenium, dissolved 0.08 0.02 mg/L 1 0 11/22/2012 1:08:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 11/26/2012 8:46:05 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Aluminum < 0.1 0.1 mg/L 1 0 11/26/2012 11:32:00 A

Arsenic < 0.02 0.02 mg/L 1 0 11/26/2012 11:32:00 A

Beryllium < 0.001 0.001 mg/L 1 0.8 11/26/2012 11:32:00 A

Boron 217 2.50 mg/L 50 0 11/27/2012 1:10:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 11/26/2012 11:32:00 A

Chromium < 0.01 0.01 mg/L 1 0 11/26/2012 11:32:00 A

Copper < 0.01 0.01 mg/L 1 0.1 11/26/2012 11:32:00 A

Iron < 0.05 0.05 mg/L 1 0 11/26/2012 11:32:00 A

Lead < 0.02 0.02 mg/L 1 0.1 11/26/2012 11:32:00 A

Manganese 5.63 0.01 mg/L 1 0 11/26/2012 11:32:00 A

Nickel 0.01 0.01 mg/L 1 0 11/26/2012 11:32:00 A

Selenium 0.10 0.02 mg/L 1 3.4 11/26/2012 11:32:00 A

Silver < 0.005 0.005 mg/L 1 0.1 11/26/2012 11:32:00 A

Zinc 0.01 0.01 mg/L 1 0 11/26/2012 11:32:00 A

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 11/28/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 11/26/2012 7:34:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 11/19/2012 9:50:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1211777

Lab ID: G1211777-002

DF

Geochemical Testing Date: 03-Dec-12

Received Date: 11/19/2012 3:09:28 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23300 200 mg/L 10 0 11/20/2012 11:02:22 A

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 16600 100 mg/L 20 0 11/20/2012 11:01:48 A

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 4 3 mg/L 3 0 11/21/2012 6:55:00 AM

Finish Date/Time 11/26/2012 07:02 0 mg/L 3 11/21/2012 6:55:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 14700 1000 mg/L 200 0 11/20/2012 11:22:00 A

INORGANIC METALS USGS I-1230-85 Analyst: HJC

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 11/19/2012 3:52:00 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/26/2012 10:52:00 A

Selenium, dissolved 0.15 0.02 mg/L 1 0 11/22/2012 1:22:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.481 0.100 mg/L 500 0 11/26/2012 8:47:44 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 230 1.0 mg/L 1 0 11/22/2012 5:31:00 PM

Arsenic 1.73 0.20 mg/L 1 0 11/22/2012 5:31:00 PM

Beryllium 0.021 0.010 mg/L 1 0 11/22/2012 5:31:00 PM

Boron 317 5.00 mg/L 10 0 11/27/2012 1:03:00 PM

Cadmium < 0.020 0.020 mg/L 1 0 11/26/2012 11:56:00 A

Chromium 1.24 0.10 mg/L 1 0 11/22/2012 5:31:00 PM

Copper 0.78 0.10 mg/L 1 0 11/22/2012 5:31:00 PM

Iron 850 0.50 mg/L 1 0 11/22/2012 5:31:00 PM

Lead 0.46 0.20 mg/L 1 0 11/22/2012 5:31:00 PM

Manganese 180 0.10 mg/L 1 0 11/22/2012 5:31:00 PM

Nickel 2.20 0.10 mg/L 1 0 11/22/2012 5:31:00 PM

Selenium 4.31 0.20 mg/L 1 0 11/22/2012 5:31:00 PM

Silver < 0.050 0.050 mg/L 1 0 11/22/2012 5:31:00 PM

Zinc 2.62 0.10 mg/L 1 0 11/22/2012 5:31:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.24 0.02 mg/L 1 0 11/28/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 24 24 mg/L 4.76 0 11/26/2012 7:34:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, December 10, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1211924

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 11/26/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 10-Dec-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1211924

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 11/26/2012 10:00:00 A

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1211924

Lab ID: G1211924-001

DF

Geochemical Testing Date: 10-Dec-12

Received Date: 11/26/2012 1:49:34 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1 1 mg/L 1 10 11/27/2012 11:55:31 A

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 22000 100 mg/L 5 0 11/27/2012 11:55:48 A

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 11/28/2012 8:00:00 AM

Finish Date/Time 12/3/2012 07:05 0 mg/L 1.5 0 11/28/2012 8:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 10800 1000 mg/L 200 0 11/27/2012 10:23:00 A

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/28/2012 10:24:17 A

Selenium, dissolved 0.05 0.02 mg/L 1 0 11/28/2012 10:24:17 A

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 11/28/2012 9:34:15 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Aluminum < 0.1 0.1 mg/L 1 0 11/28/2012 10:21:43 A

Arsenic < 0.02 0.02 mg/L 1 0 11/28/2012 10:21:43 A

Beryllium < 0.001 0.001 mg/L 1 0.8 11/28/2012 10:21:43 A

Boron 264 2.50 mg/L 50 0 11/30/2012 12:11:00 P

Cadmium < 0.002 0.002 mg/L 1 0 11/28/2012 10:21:43 A

Chromium < 0.01 0.01 mg/L 1 0 11/28/2012 10:21:43 A

Copper < 0.01 0.01 mg/L 1 0.1 11/28/2012 10:21:43 A

Iron < 0.05 0.05 mg/L 1 0 11/28/2012 10:21:43 A

Lead < 0.02 0.02 mg/L 1 0.1 11/28/2012 10:21:43 A

Manganese 3.43 0.01 mg/L 1 0 11/28/2012 10:21:43 A

Nickel < 0.01 0.01 mg/L 1 0 11/28/2012 10:21:43 A

Selenium 0.05 0.02 mg/L 1 3.4 11/28/2012 10:21:43 A

Silver < 0.005 0.005 mg/L 1 0.1 11/28/2012 10:21:43 A

Zinc < 0.01 0.01 mg/L 1 0 11/28/2012 10:21:43 A

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 11/30/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 11/28/2012 10:17:00 A

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 11/26/2012 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1211924

Lab ID: G1211924-002

DF

Geochemical Testing Date: 10-Dec-12

Received Date: 11/26/2012 1:49:34 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24700 200 mg/L 10 0 11/27/2012 11:55:48 A

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 6440 100 mg/L 20 0 11/27/2012 11:55:31 A

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 5 3 mg/L 3 0 11/28/2012 8:00:00 AM

Finish Date/Time 12/3/2012 07:05 0 mg/L 3 11/28/2012 8:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 11500 1000 mg/L 200 0 11/27/2012 10:23:00 A

INORGANIC METALS USGS I-1230-85 Analyst: JS

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 11/26/2012 2:00:00 PM

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/28/2012 10:26:51 A

Selenium, dissolved 0.07 0.02 mg/L 1 0 11/28/2012 10:26:51 A

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.109 0.100 mg/L 500 0 11/28/2012 9:35:51 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 83.4 1.0 mg/L 1 0 11/29/2012 5:55:16 PM

Arsenic 0.45 0.20 mg/L 1 0 11/29/2012 5:55:16 PM

Beryllium < 0.010 0.010 mg/L 1 0 11/29/2012 5:55:16 PM

Boron 381 5.00 mg/L 10 0 11/30/2012 1:45:00 PM

Cadmium 0.023 0.020 mg/L 1 0 11/29/2012 5:55:16 PM

Chromium 0.49 0.10 mg/L 1 0 11/29/2012 5:55:16 PM

Copper 0.63 0.10 mg/L 1 0 11/29/2012 5:55:16 PM

Iron 340 0.50 mg/L 1 0 11/29/2012 5:55:16 PM

Lead < 0.20 0.20 mg/L 1 0 11/29/2012 5:55:16 PM

Manganese 145 0.10 mg/L 1 0 11/29/2012 5:55:16 PM

Nickel 1.34 0.10 mg/L 1 0 11/29/2012 5:55:16 PM

Selenium 1.04 0.20 mg/L 1 0 11/29/2012 5:55:16 PM

Silver < 0.050 0.050 mg/L 1 0 11/29/2012 5:55:16 PM

Zinc 1.17 0.10 mg/L 1 0 11/29/2012 5:55:16 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.49 0.02 mg/L 1 0 11/30/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 11/28/2012 10:15:00 A

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, December 14, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1212106

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 4 sample(s) on 12/4/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 6
Geochemical Testin Date: 14-Dec-12 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1212106

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 6
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 12/3/2012 8:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212106

Lab ID: G1212106-001

DF

Geochemical Testing Date: 14-Dec-12

Received Date: 12/4/2012 6:09:55 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 6 5 mg/L 1 10 12/5/2012 3:27:52 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 18500 100 mg/L 5 0 12/5/2012 2:30:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 2 2 mg/L 1.5 25 12/5/2012 8:00:00 AM

Finish Date/Time 12/10/2012 07:05 0 mg/L 1.5 0 12/5/2012 8:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 10600 1000 mg/L 200 0 12/5/2012 2:28:00 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/6/2012 10:14:31 AM

Selenium, dissolved 0.06 0.02 mg/L 1 0 12/6/2012 10:14:31 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 12/7/2012 8:03:39 AM

INORGANIC METALS EPA 200.7 Analyst: AM

Aluminum < 0.1 0.1 mg/L 1 0 12/6/2012 10:17:05 AM

Arsenic < 0.02 0.02 mg/L 1 0 12/6/2012 10:17:05 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 12/6/2012 10:17:05 AM

Boron 231 2.50 mg/L 50 0 12/7/2012 12:23:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 12/6/2012 10:17:05 AM

Chromium < 0.01 0.01 mg/L 1 0 12/6/2012 10:17:05 AM

Copper < 0.01 0.01 mg/L 1 0.1 12/6/2012 10:17:05 AM

Iron < 0.05 0.05 mg/L 1 0 12/6/2012 10:17:05 AM

Lead < 0.02 0.02 mg/L 1 0.1 12/6/2012 10:17:05 AM

Manganese 3.06 0.01 mg/L 1 0 12/6/2012 10:17:05 AM

Nickel < 0.01 0.01 mg/L 1 0 12/6/2012 10:17:05 AM

Selenium 0.06 0.02 mg/L 1 3.4 12/6/2012 10:17:05 AM

Silver < 0.005 0.005 mg/L 1 0.1 12/6/2012 10:17:05 AM

Zinc < 0.01 0.01 mg/L 1 0 12/6/2012 10:17:05 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 12/12/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.1 15 12/6/2012 1:40:00 PM

I.D. 56-00306 PA DEP

Page 3 of 6
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 12/3/2012 8:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212106

Lab ID: G1212106-002

DF

Geochemical Testing Date: 14-Dec-12

Received Date: 12/4/2012 6:09:55 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 19200 200 mg/L 10 0 12/5/2012 2:30:00 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 22300 200 mg/L 40 0 12/5/2012 3:27:57 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 21 6 mg/L 6 0 12/5/2012 8:00:00 AM

Finish Date/Time 12/10/2012 07:05 0 mg/L 6 12/5/2012 8:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 12000 1000 mg/L 200 0 12/5/2012 2:28:00 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/6/2012 10:34:48 AM

Selenium, dissolved 0.11 0.02 mg/L 1 0 12/6/2012 10:34:48 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.308 0.100 mg/L 500 0 12/7/2012 8:05:17 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum 350 1.0 mg/L 1 0 12/10/2012 10:04:13 P

Arsenic 1.73 0.20 mg/L 1 0 12/10/2012 10:04:13 P

Beryllium 0.029 0.010 mg/L 1 0 12/10/2012 10:04:13 P

Boron 299 5.00 mg/L 10 0 12/12/2012 4:41:00 PM

Cadmium 0.031 0.020 mg/L 1 0 12/10/2012 10:04:13 P

Chromium 1.78 0.10 mg/L 1 0 12/10/2012 10:04:13 P

Copper 1.90 0.10 mg/L 1 0 12/10/2012 10:04:13 P

Iron 1650 0.50 mg/L 1 0 12/10/2012 10:04:13 P

Lead 0.66 0.20 mg/L 1 0 12/10/2012 10:04:13 P

Manganese 211 0.10 mg/L 1 0 12/10/2012 10:04:13 P

Nickel 2.90 0.10 mg/L 1 0 12/10/2012 10:04:13 P

Selenium 3.72 0.20 mg/L 1 0 12/10/2012 10:04:13 P

Silver < 0.050 0.050 mg/L 1 0 12/10/2012 10:04:13 P

Zinc 3.82 0.10 mg/L 1 0 12/10/2012 10:04:13 P

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.78 0.02 mg/L 1 0 12/12/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.85 0 12/6/2012 1:42:00 PM

I.D. 56-00306 PA DEP

Page 4 of 6
Project: Keystone 611 M(a)

Client Sample ID: Plum Creek

Collection Date: 12/3/2012 11:50:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212106

Lab ID: G1212106-003

DF

Geochemical Testing Date: 14-Dec-12

Received Date: 12/4/2012 6:09:55 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON METALS SM 4500-CO2D Analyst: MBG

Bicarbonate 54 5 mg/L CaCO3 1 0 12/5/2012 4:41:00 PM

INORGANIC NON-METALS SM 4500-CO2 Analyst: MBG

Carbonate < 5 5 mg/L CaCO3 1 0 12/5/2012 4:41:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 154 20 mg/L 1 0 12/5/2012 2:30:00 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 0 12/5/2012 3:27:57 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 54 5 mg/L CaCO3 1 0 12/5/2012 4:41:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.22 0.05 mg/L as N 1 0 12/4/2012 11:06:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 12/4/2012 11:06:00 PM

Nitrate - Nitrite 0.22 0.05 mg/L as N 1 0 12/4/2012 11:06:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 9 1 mg/L 1 0 12/4/2012 11:06:00 PM

Fluoride < 0.1 0.1 mg/L 1 0 12/4/2012 11:06:00 PM

Sulfate 49 2 mg/L 1 0 12/4/2012 11:06:00 PM

INORGANIC NON-METALS EPA 350.1 Analyst: SLY

Ammonia Nitrogen - Distilled 0.10 0.10 mg/L as N 1 0 12/5/2012 10:36:06 AM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: MLR

Silica, total 2.9 0.20 mg/L 1 0 12/5/2012 3:56:00 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Barium 0.05 0.01 mg/L 1 0 12/6/2012 10:37:27 AM

Boron 0.19 0.05 mg/L 1 0 12/6/2012 10:37:27 AM

Calcium 22.5 0.1 mg/L 1 0 12/6/2012 10:37:27 AM

Iron 0.27 0.05 mg/L 1 0 12/6/2012 10:37:27 AM

Magnesium 6.5 0.1 mg/L 1 0 12/6/2012 10:37:27 AM

Manganese 0.12 0.01 mg/L 1 0 12/6/2012 10:37:27 AM

Potassium 1.7 0.5 mg/L 1 0 12/6/2012 10:37:27 AM

Sodium 19.6 0.2 mg/L 1 0 12/7/2012 1:30:00 PM

Strontium 0.22 0.01 mg/L 1 0 12/6/2012 10:37:27 AM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: MTM

Total Organic Carbon 1.6 0.5 mg/L 1 0 12/11/2012 5:01:00 PM

I.D. 56-00306 PA DEP

Page 5 of 6
Project: Keystone 611 M(a)

Client Sample ID: Crooked Creek

Collection Date: 12/3/2012 1:00:00 PM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212106

Lab ID: G1212106-004

DF

Geochemical Testing Date: 14-Dec-12

Received Date: 12/4/2012 6:09:55 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 384 20 mg/L 1 0 12/5/2012 2:30:00 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 33 5 mg/L 1 12/5/2012 3:27:57 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 97 5 mg/L CaCO3 1 0 12/5/2012 5:35:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.42 0.05 mg/L as N 1 0 12/4/2012 11:56:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 12/4/2012 11:56:00 PM

Nitrate - Nitrite 0.42 0.05 mg/L as N 1 0 12/4/2012 11:56:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 62 1 mg/L 1 0 12/4/2012 11:56:00 PM

Sulfate 111 2 mg/L 1 0 12/4/2012 11:56:00 PM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: MLR

Silica, total 4.2 0.20 mg/L 1 0 12/5/2012 3:56:00 PM

INORGANIC METALS EPA 200.7 Analyst: AM

Calcium 42.8 0.1 mg/L 1 0 12/6/2012 10:40:01 AM

Iron 4.42 0.05 mg/L 1 0 12/6/2012 10:40:01 AM

Magnesium 11.2 0.1 mg/L 1 0 12/6/2012 10:40:01 AM

Manganese 0.36 0.01 mg/L 1 0 12/6/2012 10:40:01 AM

Potassium 2.7 0.5 mg/L 1 0 12/6/2012 10:40:01 AM

Sodium 82.4 0.2 mg/L 1 0 12/7/2012 1:35:00 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: MTM

Total Organic Carbon 1.9 0.5 mg/L 1 0 12/11/2012 8:42:00 PM

I.D. 56-00306 PA DEP

Page 6 of 6
Friday, December 14, 2012

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1212206

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 12/5/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 14-Dec-12 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1212206

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 12/5/2012 10:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212206

Lab ID: G1212206-001

DF

Geochemical Testing Date: 14-Dec-12

Received Date: 12/5/2012 7:31:21 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 10 1 mg/L 1 10 12/6/2012 3:36:18 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 18700 100 mg/L 5 0 12/6/2012 3:35:28 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 12/6/2012 10:55:00 AM

Finish Date/Time 12/11/2012 09:55 0 mg/L 1.5 0 12/6/2012 10:55:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 9800 1000 mg/L 200 0 12/6/2012 10:16:00 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/10/2012 12:00:21 P

Selenium, dissolved 0.07 0.02 mg/L 1 0 12/10/2012 12:00:21 P

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 12/7/2012 10:09:52 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum < 0.1 0.1 mg/L 1 0 12/7/2012 7:15:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 12/7/2012 7:15:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 12/7/2012 7:15:00 PM

Boron 198 2.50 mg/L 50 0 12/10/2012 12:59:38 P

Cadmium < 0.002 0.002 mg/L 1 0 12/7/2012 7:15:00 PM

Chromium < 0.01 0.01 mg/L 1 0 12/7/2012 7:15:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 12/7/2012 7:15:00 PM

Iron < 0.05 0.05 mg/L 1 0 12/7/2012 7:15:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 12/7/2012 7:15:00 PM

Manganese 3.51 0.01 mg/L 1 0 12/7/2012 7:15:00 PM

Nickel < 0.01 0.01 mg/L 1 0 12/7/2012 7:15:00 PM

Selenium 0.11 0.02 mg/L 1 3.4 12/7/2012 7:15:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 12/7/2012 7:15:00 PM

Zinc < 0.01 0.01 mg/L 1 0 12/7/2012 7:15:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 12/12/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 6 6 mg/L 1.28 15 12/10/2012 5:50:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 12/5/2012 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212206

Lab ID: G1212206-002

DF

Geochemical Testing Date: 14-Dec-12

Received Date: 12/5/2012 7:31:21 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23300 200 mg/L 10 0 12/6/2012 3:35:28 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 14500 200 mg/L 40 0 12/6/2012 3:36:11 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 13 3 mg/L 3 0 12/6/2012 10:55:00 AM

Finish Date/Time 12/11/2012 09:55 0 mg/L 3 12/6/2012 10:55:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 12100 1000 mg/L 200 0 12/6/2012 10:16:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: SEF

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 12/5/2012 7:53:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.10 0.10 mg/L 2 0 12/11/2012 7:32:20 PM

Selenium, dissolved 0.24 0.04 mg/L 2 0 12/11/2012 7:32:20 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.242 0.100 mg/L 500 0 12/7/2012 10:11:31 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum 222 1.0 mg/L 1 0 12/10/2012 10:06:48 P

Arsenic 1.13 0.20 mg/L 1 0 12/10/2012 10:06:48 P

Beryllium 0.019 0.010 mg/L 1 0 12/10/2012 10:06:48 P

Boron 332 5.00 mg/L 10 0 12/12/2012 4:45:00 PM

Cadmium 0.032 0.020 mg/L 1 0 12/10/2012 10:06:48 P

Chromium 1.15 0.10 mg/L 1 0 12/10/2012 10:06:48 P

Copper 1.43 0.10 mg/L 1 0 12/10/2012 10:06:48 P

Iron 1110 0.50 mg/L 1 0 12/10/2012 10:06:48 P

Lead 0.43 0.20 mg/L 1 0 12/10/2012 10:06:48 P

Manganese 217 0.10 mg/L 1 0 12/10/2012 10:06:48 P

Nickel 2.50 0.10 mg/L 1 0 12/10/2012 10:06:48 P

Selenium 2.60 0.20 mg/L 1 0 12/10/2012 10:06:48 P

Silver < 0.050 0.050 mg/L 1 0 12/10/2012 10:06:48 P

Zinc 2.56 0.10 mg/L 1 0 12/10/2012 10:06:48 P

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.15 0.02 mg/L 1 0 12/12/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 12/10/2012 5:50:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, January 02, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1212523

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 12/12/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 02-Jan-13 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1212523

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 12/12/2012 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212523

Lab ID: G1212523-001

DF

Geochemical Testing Date: 02-Jan-13

Received Date: 12/12/2012 5:15:45 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 8 5 mg/L 1 10 12/13/2012 3:01:20 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 16200 100 mg/L 5 0 12/13/2012 3:01:51 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 12/13/2012 8:30:00 AM

Finish Date/Time 12/18/2012 07:40 0 mg/L 1.5 0 12/13/2012 8:30:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 9590 1000 mg/L 200 0 12/13/2012 9:21:00 AM

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/14/2012 11:16:00 P

Selenium, dissolved 0.11 0.02 mg/L 1 0 12/14/2012 11:16:00 P

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 12/17/2012 9:19:22 AM

INORGANIC METALS EPA 200.7 Analyst: AM

Aluminum < 0.1 0.1 mg/L 1 0 12/14/2012 11:03:00 P

Arsenic < 0.02 0.02 mg/L 1 0 12/14/2012 11:03:00 P

Beryllium < 0.001 0.001 mg/L 1 0.8 12/14/2012 11:03:00 P

Boron 168 2.50 mg/L 50 0 12/17/2012 11:42:33 A

Cadmium < 0.002 0.002 mg/L 1 0 12/14/2012 11:03:00 P

Chromium < 0.01 0.01 mg/L 1 0 12/14/2012 11:03:00 P

Copper < 0.01 0.01 mg/L 1 0.1 12/14/2012 11:03:00 P

Iron < 0.05 0.05 mg/L 1 0 12/14/2012 11:03:00 P

Lead < 0.02 0.02 mg/L 1 0.1 12/14/2012 11:03:00 P

Manganese 4.58 0.01 mg/L 1 0 12/14/2012 11:03:00 P

Nickel < 0.01 0.01 mg/L 1 0 12/14/2012 11:03:00 P

Selenium 0.11 0.02 mg/L 1 3.4 12/14/2012 11:03:00 P

Silver < 0.005 0.005 mg/L 1 0.1 12/14/2012 11:03:00 P

Zinc < 0.01 0.01 mg/L 1 0 12/14/2012 11:03:00 P

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 12/20/2012

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 12/13/2012 1:39:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 12/12/2012 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212523

Lab ID: G1212523-002

DF

Geochemical Testing Date: 02-Jan-13

Received Date: 12/12/2012 5:15:45 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 12400 200 mg/L 10 0 12/13/2012 3:01:51 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 14100 200 mg/L 40 0 12/13/2012 3:01:23 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 9 3 mg/L 3 0 12/13/2012 9:10:00 AM

Finish Date/Time 12/18/2012 08:30 0 mg/L 3 0 12/13/2012 9:10:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 8510 1000 mg/L 200 0 12/13/2012 9:21:00 AM

INORGANIC METALS EPA 200.7 Analyst: AM

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/14/2012 11:48:00 P

Selenium, dissolved 0.26 0.02 mg/L 1 0 12/14/2012 11:48:00 P

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.333 0.100 mg/L 500 0 12/17/2012 9:21:00 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 233 1.0 mg/L 1 0 12/19/2012 2:51:41 PM

Arsenic 1.57 0.20 mg/L 1 0 12/19/2012 2:51:41 PM

Beryllium 0.015 0.010 mg/L 1 0 12/19/2012 2:51:41 PM

Boron 182 0.50 mg/L 1 0 12/19/2012 2:51:41 PM

Cadmium < 0.020 0.020 mg/L 1 0 12/19/2012 2:51:41 PM

Chromium 1.50 0.10 mg/L 1 0 12/19/2012 2:51:41 PM

Copper 1.28 0.10 mg/L 1 0 12/19/2012 2:51:41 PM

Iron 1310 0.50 mg/L 1 0 12/19/2012 2:51:41 PM

Lead 0.55 0.20 mg/L 1 0 12/20/2012 11:27:00 A

Manganese 163 0.10 mg/L 1 0 12/19/2012 2:51:41 PM

Nickel 2.58 0.10 mg/L 1 0 12/19/2012 2:51:41 PM

Selenium 3.58 0.20 mg/L 1 0 12/20/2012 11:27:00 A

Silver < 0.050 0.050 mg/L 1 0 12/19/2012 2:51:41 PM

Zinc 2.86 0.10 mg/L 1 0 12/19/2012 2:51:41 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.50 0.02 mg/L 1 0 1/2/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 23 23 mg/L 4.55 0 12/13/2012 1:39:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, January 02, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1212684

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 12/17/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 02-Jan-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1212684

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 12/17/2012 9:20:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212684

Lab ID: G1212684-001

DF

Geochemical Testing Date: 02-Jan-13

Received Date: 12/17/2012 3:17:20 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 1 1 mg/L 1 10 12/18/2012 2:08:53 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 18000 20 mg/L 1 0 12/18/2012 2:08:03 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 12/19/2012 7:00:00 AM

Finish Date/Time 12/24/2012 06:07 0 mg/L 1.5 0 12/19/2012 7:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 10300 1000 mg/L 200 0 12/18/2012 11:17:00 A

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/19/2012 8:09:22 PM

Selenium, dissolved 0.08 0.02 mg/L 1 0 12/19/2012 8:09:22 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 12/20/2012 10:51:54 A

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 12/19/2012 8:06:47 PM

Arsenic < 0.02 0.02 mg/L 1 0 12/19/2012 8:06:47 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 12/19/2012 8:06:47 PM

Boron 217 2.50 mg/L 50 0 12/20/2012 12:38:00 P

Cadmium < 0.002 0.002 mg/L 1 0 12/19/2012 8:06:47 PM

Chromium < 0.01 0.01 mg/L 1 0 12/19/2012 8:06:47 PM

Copper < 0.01 0.01 mg/L 1 0.1 12/19/2012 8:06:47 PM

Iron < 0.05 0.05 mg/L 1 0 12/19/2012 8:06:47 PM

Lead < 0.02 0.02 mg/L 1 0.1 12/19/2012 8:06:47 PM

Manganese 5.96 0.01 mg/L 1 0 12/19/2012 8:06:47 PM

Nickel < 0.01 0.01 mg/L 1 0 12/19/2012 8:06:47 PM

Selenium 0.07 0.02 mg/L 1 3.4 12/19/2012 8:06:47 PM

Silver < 0.005 0.005 mg/L 1 0.1 12/19/2012 8:06:47 PM

Zinc < 0.01 0.01 mg/L 1 0 12/19/2012 8:06:47 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/2/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 12/19/2012 7:27:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 12/17/2012 9:10:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212684

Lab ID: G1212684-002

DF

Geochemical Testing Date: 02-Jan-13

Received Date: 12/17/2012 3:17:20 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 21500 200 mg/L 10 0 12/18/2012 2:08:03 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 450 5 mg/L 1 0 12/18/2012 2:08:58 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 14 3 mg/L 3 0 12/19/2012 7:00:00 AM

Finish Date/Time 12/24/2012 06:07 0 mg/L 3 12/19/2012 7:00:00 AM

INORGANIC NON-METALS SM 4500-CL E Analyst: SEF

Chloride 13400 1000 mg/L 200 0 12/18/2012 11:17:00 A

INORGANIC METALS USGS I-1230-85 Analyst: HJC

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 12/17/2012 4:31:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/19/2012 8:11:58 PM

Selenium, dissolved 0.13 0.02 mg/L 1 0 12/19/2012 8:11:58 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.308 0.100 mg/L 500 0 12/20/2012 10:56:53 A

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 356 1.0 mg/L 1 0 12/19/2012 10:58:47 P

Arsenic 1.66 0.20 mg/L 1 0 12/19/2012 10:58:47 P

Beryllium 0.024 0.010 mg/L 1 0 12/19/2012 10:58:47 P

Boron 286 0.50 mg/L 1 0 12/19/2012 10:58:47 P

Cadmium < 0.020 0.020 mg/L 1 0 12/19/2012 10:58:47 P

Chromium 1.71 0.10 mg/L 1 0 12/19/2012 10:58:47 P

Copper 1.49 0.10 mg/L 1 0 12/19/2012 10:58:47 P

Iron 1470 0.50 mg/L 1 0 12/19/2012 10:58:47 P

Lead 0.59 0.20 mg/L 1 0 12/19/2012 10:58:47 P

Manganese 254 0.10 mg/L 1 0 12/19/2012 10:58:47 P

Nickel 3.06 0.10 mg/L 1 0 12/19/2012 10:58:47 P

Selenium 3.44 0.20 mg/L 1 0 12/19/2012 10:58:47 P

Silver < 0.050 0.050 mg/L 1 0 12/19/2012 10:58:47 P

Zinc 3.41 0.10 mg/L 1 0 12/19/2012 10:58:47 P

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.71 0.02 mg/L 1 0 1/2/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.85 0 12/19/2012 7:24:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, January 04, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1212957

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 12/26/2012 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 04-Jan-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1212957

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 12/26/2012 10:30:00 A

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212957

Lab ID: G1212957-001

DF

Geochemical Testing Date: 04-Jan-13

Received Date: 12/26/2012 5:37:03 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids < 1 1 mg/L 1 10 12/27/2012 3:10:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 22600 20 mg/L 1 0 12/27/2012 3:10:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 12/26/2012 5:40:00 PM

Finish Date/Time 12/31/2012 16:40 0 mg/L 1.5 0 12/26/2012 5:40:00 PM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 14700 1000 mg/L 200 0 12/27/2012 2:09:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/28/2012 3:14:06 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 12/28/2012 3:14:06 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 12/27/2012 1:16:21 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 12/28/2012 3:06:20 PM

Arsenic < 0.02 0.02 mg/L 1 0 12/28/2012 3:06:20 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 12/28/2012 3:06:20 PM

Boron 230 0.05 mg/L 1 0 12/28/2012 3:06:20 PM

Cadmium < 0.002 0.002 mg/L 1 0 12/28/2012 3:06:20 PM

Chromium < 0.01 0.01 mg/L 1 0 12/28/2012 3:06:20 PM

Copper < 0.01 0.01 mg/L 1 0.1 12/28/2012 3:06:20 PM

Iron < 0.05 0.05 mg/L 1 0 12/28/2012 3:06:20 PM

Lead < 0.02 0.02 mg/L 1 0.1 12/28/2012 3:06:20 PM

Manganese 17.2 0.01 mg/L 1 0 12/28/2012 3:06:20 PM

Nickel < 0.01 0.01 mg/L 1 0 12/28/2012 3:06:20 PM

Selenium 0.09 0.02 mg/L 1 3.4 12/28/2012 3:06:20 PM

Silver < 0.005 0.005 mg/L 1 0.1 12/28/2012 3:06:20 PM

Zinc < 0.01 0.01 mg/L 1 0 12/28/2012 3:06:20 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/2/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.04 15 12/31/2012 4:48:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 12/26/2012 10:15:00 A

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1212957

Lab ID: G1212957-002

DF

Geochemical Testing Date: 04-Jan-13

Received Date: 12/26/2012 5:37:03 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 26600 200 mg/L 10 0 12/27/2012 3:10:00 PM

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 24600 200 mg/L 40 0 12/27/2012 10:55:15 A

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 24 6 mg/L 6 0 12/26/2012 5:40:00 PM

Finish Date/Time 12/31/2012 16:40 0 mg/L 6 12/26/2012 5:40:00 PM

INORGANIC NON-METALS SM 4500-CL E Analyst: SAG

Chloride 16200 1000 mg/L 200 0 12/27/2012 2:09:00 PM

INORGANIC METALS USGS I-1230-85 Analyst: SEF

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 12/26/2012 6:18:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/28/2012 3:16:40 PM

Selenium, dissolved 0.29 0.02 mg/L 1 0 12/28/2012 3:16:40 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.585 0.100 mg/L 500 0 12/27/2012 1:21:20 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 374 1.0 mg/L 1 0 12/28/2012 3:53:00 PM

Arsenic 1.64 0.20 mg/L 1 0 12/28/2012 3:53:00 PM

Beryllium 0.036 0.010 mg/L 1 0 12/28/2012 3:53:00 PM

Boron 286 5.00 mg/L 10 0 12/31/2012 2:44:00 PM

Cadmium < 0.020 0.020 mg/L 1 0 12/28/2012 3:53:00 PM

Chromium 1.85 0.10 mg/L 1 0 12/28/2012 3:53:00 PM

Copper 1.35 0.10 mg/L 1 0 12/28/2012 3:53:00 PM

Iron 1650 0.50 mg/L 1 0 12/28/2012 3:53:00 PM

Lead 0.48 0.20 mg/L 1 0 12/28/2012 3:53:00 PM

Manganese 263 0.10 mg/L 1 0 12/28/2012 3:53:00 PM

Nickel 3.23 0.10 mg/L 1 0 12/28/2012 3:53:00 PM

Selenium 3.96 0.20 mg/L 1 0 12/28/2012 3:53:00 PM

Silver < 0.050 0.050 mg/L 1 0 12/28/2012 3:53:00 PM

Zinc 3.55 0.10 mg/L 1 0 12/28/2012 3:53:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.85 0.02 mg/L 1 0 1/2/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.85 0 12/31/2012 4:48:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, January 21, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(a)

Order No.: G1301069

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 7 sample(s) on 1/2/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 9
Geochemical Testin Date: 21-Jan-13 g

Project: Keystone 611 Q(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1301069

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 9
Project: Keystone 611 Q(a)

Client Sample ID: Outfall 101

Collection Date: 1/2/2013 11:40:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301069

Lab ID: G1301069-001

DF

Geochemical Testing Date: 21-Jan-13

Received Date: 1/2/2013 5:13:04 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5 1 mg/L 1 10 1/3/2013 2:09:52 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 22000 100 mg/L 5 0 1/3/2013 2:29:21 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 1/3/2013 10:45:00 AM

Finish Date/Time 1/8/2013 10:55 0 mg/L 1.5 1/3/2013 10:45:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 13900 1000 mg/L 200 1/7/2013 3:10:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/3/2013 8:39:00 PM

Selenium, dissolved 0.12 0.02 mg/L 1 0 1/3/2013 8:39:00 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.0002 0.0002 mg/L 1 0.004 1/3/2013 4:47:37 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 1/3/2013 8:20:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 1/3/2013 8:20:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 1/3/2013 8:20:00 PM

Boron 264 2.50 mg/L 50 0 1/4/2013 10:06:45 AM

Cadmium < 0.002 0.002 mg/L 1 0 1/3/2013 8:20:00 PM

Chromium < 0.01 0.01 mg/L 1 0 1/3/2013 8:20:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 1/3/2013 8:20:00 PM

Iron < 0.05 0.05 mg/L 1 0 1/3/2013 8:20:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 1/3/2013 8:20:00 PM

Manganese 22.1 0.01 mg/L 1 0 1/3/2013 8:20:00 PM

Nickel < 0.01 0.01 mg/L 1 0 1/3/2013 8:20:00 PM

Selenium 0.12 0.02 mg/L 1 3.4 1/3/2013 8:20:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 1/3/2013 8:20:00 PM

Zinc < 0.01 0.01 mg/L 1 0 1/3/2013 8:20:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/7/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 1/4/2013 2:41:00 PM

I.D. 56-00306 PA DEP

Page 3 of 9
Project: Keystone 611 Q(a)

Client Sample ID: FGD Influent

Collection Date: 1/2/2013 11:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301069

Lab ID: G1301069-002

DF

Geochemical Testing Date: 21-Jan-13

Received Date: 1/2/2013 5:13:04 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27200 200 mg/L 10 0 1/3/2013 2:29:21 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3080 200 mg/L 40 0 1/3/2013 2:09:51 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 17 3 mg/L 3 0 1/3/2013 10:45:00 AM

Finish Date/Time 1/8/2013 10:55 0 mg/L 3 1/3/2013 10:45:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 10300 1000 mg/L 200 1/7/2013 3:10:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/3/2013 9:17:00 PM

Selenium, dissolved 0.92 0.02 mg/L 1 0 1/3/2013 9:17:00 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.100 0.100 mg/L 500 0 1/3/2013 4:49:14 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 91.3 1.0 mg/L 1 0 1/7/2013 6:05:00 PM

Arsenic 0.38 0.20 mg/L 1 0 1/7/2013 6:05:00 PM

Beryllium < 0.010 0.010 mg/L 1 0 1/7/2013 6:05:00 PM

Boron 420 5.00 mg/L 10 0 1/8/2013 3:01:45 PM

Cadmium 0.032 0.020 mg/L 1 0 1/7/2013 6:05:00 PM

Chromium 0.34 0.10 mg/L 1 0 1/7/2013 6:05:00 PM

Copper 0.27 0.10 mg/L 1 0 1/7/2013 6:05:00 PM

Iron 328 0.50 mg/L 1 0 1/7/2013 6:05:00 PM

Lead < 0.20 0.20 mg/L 1 0 1/7/2013 6:05:00 PM

Manganese 440 0.10 mg/L 1 0 1/7/2013 6:05:00 PM

Nickel 2.56 0.10 mg/L 1 0 1/7/2013 6:05:00 PM

Selenium 1.41 0.20 mg/L 1 0 1/7/2013 6:05:00 PM

Silver < 0.050 0.050 mg/L 1 0 1/14/2013 11:53:15 AM

Zinc 0.86 0.10 mg/L 1 0 1/7/2013 6:05:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.34 0.02 mg/L 1 0 1/9/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 18 18 mg/L 3.57 0 1/4/2013 2:41:00 PM

I.D. 56-00306 PA DEP

Page 4 of 9
Project: Keystone 611 Q(a)

Client Sample ID: Outfall 106

Collection Date: 1/2/2013 7:25:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301069

Lab ID: G1301069-003

DF

Geochemical Testing Date: 21-Jan-13

Received Date: 1/2/2013 5:13:04 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 30 1/3/2013 2:09:51 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 1/3/2013 9:36:00 PM

Chromium < 0.01 0.01 mg/L 1 0 1/3/2013 9:36:00 PM

Iron 0.07 0.05 mg/L 1 0 1/3/2013 9:36:00 PM

Manganese 0.10 0.01 mg/L 1 0 1/3/2013 9:36:00 PM

Nickel < 0.01 0.01 mg/L 1 0 1/3/2013 9:36:00 PM

Titanium < 0.005 0.005 mg/L 1 0 1/3/2013 9:36:00 PM

Zinc < 0.01 0.01 mg/L 1 0 1/3/2013 9:36:00 PM

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 1/4/2013 2:42:00 PM

I.D. 56-00306 PA DEP

Page 5 of 9
Project: Keystone 611 Q(a)

Client Sample ID: Plum Creek

Collection Date: 1/2/2013 7:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301069

Lab ID: G1301069-004

DF

Geochemical Testing Date: 21-Jan-13

Received Date: 1/2/2013 5:13:04 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON METALS SM 4500-CO2D Analyst: AM

Bicarbonate 37 5 mg/L CaCO3 1 0 1/3/2013 7:53:00 AM

INORGANIC NON-METALS SM 4500-CO2 Analyst: AM

Carbonate < 5 5 mg/L CaCO3 1 0 1/3/2013 7:53:00 AM

PH BY SM 4500 H+B SM4500-H+B Analyst: AM

Lab pH H 1/3/2013 7:53:00 AM 7.48 0 su 1 0

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 130 20 mg/L 1 0 1/3/2013 2:29:21 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 0 1/3/2013 2:09:50 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: AM

Alkalinity to pH 4.5 37 5 mg/L CaCO3 1 0 1/3/2013 7:53:00 AM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.55 0.05 mg/L as N 1 0 1/2/2013 6:45:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 1/2/2013 6:45:00 PM

Nitrate - Nitrite 0.55 0.05 mg/L as N 1 0 1/2/2013 6:45:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 10 1 mg/L 1 0 1/2/2013 6:45:00 PM

Fluoride < 0.1 0.1 mg/L 1 0 1/2/2013 6:45:00 PM

Sulfate 34 2 mg/L 1 0 1/2/2013 6:45:00 PM

INORGANIC NON-METALS EPA 350.1 Analyst: SLY

Ammonia Nitrogen - Distilled < 0.10 0.10 mg/L as N 1 0 1/15/2013 11:11:00 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Barium 0.04 0.01 mg/L 1 0 1/3/2013 10:06:00 PM

Boron 0.06 0.05 mg/L 1 0 1/3/2013 10:06:00 PM

Calcium 18.6 0.1 mg/L 1 0 1/3/2013 10:06:00 PM

Iron 0.32 0.05 mg/L 1 0 1/3/2013 10:06:00 PM

Magnesium 5.5 0.1 mg/L 1 0 1/3/2013 10:06:00 PM

Manganese 0.12 0.01 mg/L 1 0 1/3/2013 10:06:00 PM

Potassium 1.3 0.5 mg/L 1 0 1/3/2013 10:06:00 PM

Sodium 12.9 0.2 mg/L 1 0 1/3/2013 10:06:00 PM

Strontium 0.15 0.01 mg/L 1 0 1/3/2013 10:06:00 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: ACG

Total Organic Carbon 1.4 0.5 mg/L 1 0 1/4/2013 6:24:00 PM

I.D. 56-00306 PA DEP

Page 6 of 9
Project: Keystone 611 Q(a)

Client Sample ID: Crooked Creek

Collection Date: 1/2/2013 6:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301069

Lab ID: G1301069-005

DF

Geochemical Testing Date: 21-Jan-13

Received Date: 1/2/2013 5:13:04 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 198 20 mg/L 1 0 1/3/2013 2:29:21 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 10 10 mg/L 2 0 1/3/2013 2:09:50 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: AM

Alkalinity to pH 4.5 48 5 mg/L CaCO3 1 0 1/3/2013 9:59:00 AM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.57 0.05 mg/L as N 1 0 1/2/2013 7:01:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 1/2/2013 7:01:00 PM

Nitrate - Nitrite 0.57 0.05 mg/L as N 1 0 1/2/2013 7:01:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 27 1 mg/L 1 0 1/2/2013 7:01:00 PM

Sulfate 64 2 mg/L 1 0 1/2/2013 7:01:00 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Calcium 27.6 0.1 mg/L 1 0 1/3/2013 10:19:00 PM

Iron 1.10 0.05 mg/L 1 0 1/3/2013 10:19:00 PM

Magnesium 7.4 0.1 mg/L 1 0 1/3/2013 10:19:00 PM

Manganese 0.20 0.01 mg/L 1 0 1/3/2013 10:19:00 PM

Potassium 1.7 0.5 mg/L 1 0 1/3/2013 10:19:00 PM

Sodium 31.1 0.2 mg/L 1 0 1/3/2013 10:19:00 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: ACG

Total Organic Carbon 1.3 0.5 mg/L 1 0 1/4/2013 10:05:00 PM

I.D. 56-00306 PA DEP

Page 7 of 9
Project: Keystone 611 Q(a)

Client Sample ID: East Valley

Collection Date: 1/2/2013 8:26:00 AM

Matrix: LEACHATE

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301069

Lab ID: G1301069-006

DF

Geochemical Testing Date: 21-Jan-13

Received Date: 1/2/2013 5:13:04 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON-METALS ASTM D1067-06 Analyst: AM

Alkalinity to pH 4.5 90 5 mg/L CaCO3 1 0 1/3/2013 11:37:00 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron 83.5 0.05 mg/L 1 0 1/3/2013 10:24:00 PM

Manganese 4.76 0.01 mg/L 1 0 1/3/2013 10:24:00 PM

I.D. 56-00306 PA DEP

Page 8 of 9
Project: Keystone 611 Q(a)

Client Sample ID: West Valley

Collection Date: 1/2/2013 7:55:00 AM

Matrix: LEACHATE

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301069

Lab ID: G1301069-007

DF

Geochemical Testing Date: 21-Jan-13

Received Date: 1/2/2013 5:13:04 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON-METALS ASTM D1067-06 Analyst: AM

Alkalinity to pH 4.5 9 5 mg/L CaCO3 1 0 1/3/2013 11:50:00 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron 574 0.50 mg/L 10 0 1/4/2013 10:25:13 AM

Manganese 15.8 0.01 mg/L 1 0 1/3/2013 10:37:00 PM

I.D. 56-00306 PA DEP

Page 9 of 9
Monday, January 21, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(b)

Order No.: G1301273

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 1/7/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 21-Jan-13 g

Project: Keystone 611 Q(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1301273

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 Q(b)

Client Sample ID: Outfall 101

Collection Date: 1/7/2013 8:50:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301273

Lab ID: G1301273-001

DF

Geochemical Testing Date: 21-Jan-13

Received Date: 1/7/2013 2:28:15 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 10 1/8/2013 3:26:20 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24100 20 mg/L 1 0 1/8/2013 3:26:33 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 1/9/2013 7:40:00 AM

Finish Date/Time 1/14/2013 07:10 0 mg/L 1.5 0 1/9/2013 7:40:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14100 1000 mg/L 200 1/9/2013 2:42:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/8/2013 6:26:10 PM

Selenium, dissolved 0.05 0.02 mg/L 1 0 1/8/2013 6:26:10 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.0002 0.0002 mg/L 1 0.004 1/9/2013 1:59:18 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum < 0.1 0.1 mg/L 1 0 1/8/2013 6:28:44 PM

Arsenic < 0.02 0.02 mg/L 1 0 1/8/2013 6:28:44 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 1/8/2013 6:28:44 PM

Boron 276 2.50 mg/L 50 0 1/9/2013 3:40:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 1/8/2013 6:28:44 PM

Chromium < 0.01 0.01 mg/L 1 0 1/8/2013 6:28:44 PM

Copper < 0.01 0.01 mg/L 1 0.1 1/10/2013 11:50:54 PM

Iron < 0.05 0.05 mg/L 1 0 1/8/2013 6:28:44 PM

Lead < 0.02 0.02 mg/L 1 0.1 1/8/2013 6:28:44 PM

Manganese 27.8 0.01 mg/L 1 0 1/8/2013 6:28:44 PM

Nickel < 0.01 0.01 mg/L 1 0 1/8/2013 6:28:44 PM

Selenium 0.06 0.02 mg/L 1 3.4 1/8/2013 6:28:44 PM

Silver < 0.005 0.005 mg/L 1 0.1 1/8/2013 6:28:44 PM

Zinc < 0.01 0.01 mg/L 1 0 1/8/2013 6:28:44 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/15/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 1/10/2013 12:16:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 Q(b)

Client Sample ID: FGD Influent

Collection Date: 1/7/2013 8:40:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301273

Lab ID: G1301273-002

DF

Geochemical Testing Date: 21-Jan-13

Received Date: 1/7/2013 2:28:15 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27100 200 mg/L 10 0 1/8/2013 3:26:33 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 23700 200 mg/L 40 0 1/8/2013 3:26:22 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 16 3 mg/L 3 0 1/9/2013 7:40:00 AM

Finish Date/Time 1/14/2013 07:10 0 mg/L 3 0 1/9/2013 7:40:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 15500 1000 mg/L 200 1/9/2013 2:42:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/8/2013 6:44:14 PM

Selenium, dissolved 0.04 0.02 mg/L 1 0 1/8/2013 6:44:14 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury 0.430 0.100 mg/L 500 0 1/9/2013 2:00:55 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum 353 1.0 mg/L 1 0 1/11/2013 3:56:03 AM

Arsenic 2.07 0.20 mg/L 1 0 1/15/2013 12:00:15 PM

Beryllium 0.033 0.010 mg/L 1 0 1/11/2013 3:56:03 AM

Boron 423 5.00 mg/L 10 0 1/17/2013 2:54:00 PM

Cadmium < 0.020 0.020 mg/L 1 0 1/11/2013 3:56:03 AM

Chromium 1.95 0.10 mg/L 1 0 1/11/2013 3:56:03 AM

Copper 1.84 0.10 mg/L 1 0 1/11/2013 3:56:03 AM

Iron 1600 0.50 mg/L 1 0 1/11/2013 3:56:03 AM

Lead 0.55 0.20 mg/L 1 0 1/11/2013 3:56:03 AM

Manganese 306 0.10 mg/L 1 0 1/11/2013 3:56:03 AM

Nickel 3.80 0.10 mg/L 1 0 1/11/2013 3:56:03 AM

Selenium 3.51 0.20 mg/L 1 0 1/11/2013 3:56:03 AM

Silver < 0.050 0.050 mg/L 1 0 1/11/2013 3:56:03 AM

Zinc 3.49 0.10 mg/L 1 0 1/11/2013 3:56:03 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.95 0.02 mg/L 1 0 1/15/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 1/10/2013 12:20:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, January 29, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1301605

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 1/14/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 29-Jan-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1301605

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 1/14/2013 8:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301605

Lab ID: G1301605-001

DF

Geochemical Testing Date: 29-Jan-13

Received Date: 1/14/2013 4:07:54 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 1 1 mg/L 1 10 1/15/2013 3:30:45 PM

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 23400 20 mg/L 1 0 1/15/2013 3:47:53 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day < 2 2 mg/L 1.5 25 1/16/2013 7:30:00 AM

Finish Date/Time 1/21/2013 07:00 0 mg/L 1.5 0 1/16/2013 7:30:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 12000 1000 mg/L 200 1/15/2013 2:08:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/17/2013 5:07:00 PM

Selenium, dissolved 0.09 0.02 mg/L 1 0 1/17/2013 5:07:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 1/16/2013 8:45:08 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum < 0.1 0.1 mg/L 1 0 1/16/2013 7:41:53 PM

Arsenic < 0.02 0.02 mg/L 1 0 1/16/2013 7:41:53 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 1/16/2013 7:41:53 PM

Boron 282 2.50 mg/L 50 0 1/18/2013 11:52:30 AM

Cadmium < 0.002 0.002 mg/L 1 0 1/17/2013 5:49:00 PM

Chromium < 0.01 0.01 mg/L 1 0 1/17/2013 5:49:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 1/16/2013 7:41:53 PM

Iron < 0.05 0.05 mg/L 1 0 1/17/2013 5:49:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 1/16/2013 7:41:53 PM

Manganese 18.4 0.01 mg/L 1 0 1/16/2013 7:41:53 PM

Nickel < 0.01 0.01 mg/L 1 0 1/16/2013 7:41:53 PM

Selenium 0.06 0.02 mg/L 1 3.4 1/16/2013 7:41:53 PM

Silver < 0.005 0.005 mg/L 1 0.1 1/16/2013 7:41:53 PM

Zinc < 0.01 0.01 mg/L 1 0 1/16/2013 7:41:53 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/25/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.02 15 1/17/2013 11:47:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 1/14/2013 8:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301605

Lab ID: G1301605-002

DF

Geochemical Testing Date: 29-Jan-13

Received Date: 1/14/2013 4:07:54 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 33500 200 mg/L 10 0 1/15/2013 3:47:53 PM

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 21900 200 mg/L 40 0 1/15/2013 3:30:44 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day 10 3 mg/L 3 0 1/16/2013 7:30:00 AM

Finish Date/Time 1/21/2013 07:00 0 mg/L 3 1/16/2013 7:30:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: HJC

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 1/14/2013 5:18:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 16900 1000 mg/L 200 1/15/2013 2:08:00 PM

INORGANIC METALS EPA 200.7 Analyst: MBG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/17/2013 6:34:00 PM

Selenium, dissolved 0.21 0.02 mg/L 1 0 1/17/2013 6:34:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.615 0.100 mg/L 500 0 1/16/2013 8:46:44 AM

INORGANIC METALS EPA 200.7 Analyst: MBG

Aluminum 502 1.0 mg/L 1 0 1/17/2013 4:10:38 AM

Arsenic 1.85 0.20 mg/L 1 0 1/17/2013 4:10:38 AM

Beryllium 0.038 0.010 mg/L 1 0 1/17/2013 4:10:38 AM

Boron 430 5.00 mg/L 10 0 1/17/2013 11:39:00 PM

Cadmium 0.048 0.020 mg/L 1 0 1/17/2013 4:10:38 AM

Chromium 2.49 0.10 mg/L 1 0 1/17/2013 4:10:38 AM

Copper 1.87 0.10 mg/L 1 0 1/17/2013 4:10:38 AM

Iron 1790 0.50 mg/L 1 0 1/17/2013 4:10:38 AM

Lead 0.28 0.20 mg/L 1 0 1/17/2013 4:10:38 AM

Manganese 343 0.10 mg/L 1 0 1/17/2013 4:10:38 AM

Nickel 3.74 0.10 mg/L 1 0 1/17/2013 4:10:38 AM

Selenium 6.16 0.20 mg/L 1 0 1/17/2013 4:10:38 AM

Silver < 0.050 0.050 mg/L 1 0 1/17/2013 4:10:38 AM

Zinc 3.89 0.10 mg/L 1 0 1/17/2013 4:10:38 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.49 0.02 mg/L 1 0 1/25/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.7 0 1/17/2013 12:47:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Thursday, January 31, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1301925

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 1/21/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 31-Jan-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1301925

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 1/21/2013 8:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301925

Lab ID: G1301925-001

DF

Geochemical Testing Date: 31-Jan-13

Received Date: 1/21/2013 5:01:00 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5 1 mg/L 1 10 1/22/2013 2:34:02 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23100 20 mg/L 1 0 1/22/2013 2:42:41 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 1/23/2013 7:50:00 AM

Finish Date/Time 1/28/2013 08:05 0 mg/L 1.5 0 1/23/2013 7:50:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14400 1000 mg/L 200 1/23/2013 11:58:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/23/2013 3:43:00 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 1/23/2013 3:43:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 1/24/2013 2:02:35 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 1/23/2013 3:23:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 1/23/2013 3:23:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 1/23/2013 3:23:00 PM

Boron 312 2.50 mg/L 50 0 1/24/2013 2:10:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 1/23/2013 3:23:00 PM

Chromium < 0.01 0.01 mg/L 1 0 1/23/2013 3:23:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 1/23/2013 3:23:00 PM

Iron < 0.05 0.05 mg/L 1 0 1/23/2013 3:23:00 PM

Lead 0.02 0.02 mg/L 1 0.1 1/23/2013 3:23:00 PM

Manganese 27.4 0.01 mg/L 1 0 1/23/2013 3:23:00 PM

Nickel < 0.01 0.01 mg/L 1 0 1/23/2013 3:23:00 PM

Selenium 0.08 0.02 mg/L 1 3.4 1/23/2013 3:23:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 1/23/2013 3:23:00 PM

Zinc < 0.01 0.01 mg/L 1 0 1/23/2013 3:23:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/25/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 1/23/2013 10:55:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 1/21/2013 8:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301925

Lab ID: G1301925-002

DF

Geochemical Testing Date: 31-Jan-13

Received Date: 1/21/2013 5:01:00 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25500 200 mg/L 10 0 1/22/2013 2:42:41 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2360 200 mg/L 40 0 1/22/2013 2:34:05 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 5 3 mg/L 3 0 1/23/2013 7:50:00 AM

Finish Date/Time 1/28/2013 08:05 0 mg/L 3 1/23/2013 7:50:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: JS

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 1/21/2013 5:31:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14100 1000 mg/L 200 1/23/2013 11:58:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/23/2013 3:52:00 PM

Selenium, dissolved 0.23 0.02 mg/L 1 0 1/23/2013 3:52:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.100 0.100 mg/L 500 0 1/24/2013 1:42:58 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 28.1 1.0 mg/L 1 0 1/23/2013 11:48:00 PM

Arsenic < 0.20 0.20 mg/L 1 0 1/23/2013 11:48:00 PM

Beryllium < 0.010 0.010 mg/L 1 0 1/23/2013 11:48:00 PM

Boron 466 5.00 mg/L 10 0 1/24/2013 10:30:00 PM

Cadmium 0.035 0.020 mg/L 1 0 1/23/2013 11:48:00 PM

Chromium < 0.10 0.10 mg/L 1 0 1/23/2013 11:48:00 PM

Copper < 0.10 0.10 mg/L 1 0 1/23/2013 11:48:00 PM

Iron 44.6 0.50 mg/L 1 0 1/23/2013 11:48:00 PM

Lead < 0.20 0.20 mg/L 1 0 1/23/2013 11:48:00 PM

Manganese 300 0.10 mg/L 1 0 1/23/2013 11:48:00 PM

Nickel 2.01 0.10 mg/L 1 0 1/23/2013 11:48:00 PM

Selenium 0.65 0.20 mg/L 1 0 1/23/2013 11:48:00 PM

Silver < 0.050 0.050 mg/L 1 0 1/23/2013 11:48:00 PM

Zinc 0.20 0.10 mg/L 1 0 1/23/2013 11:48:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/25/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 18 18 mg/L 3.57 0 1/23/2013 10:55:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, February 11, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1301C38

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 1/29/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 11-Feb-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1301C38

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 1/29/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301C38

Lab ID: G1301C38-001

DF

Geochemical Testing Date: 11-Feb-13

Received Date: 1/29/2013 5:07:22 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: MBG

Total suspended solids 1 1 mg/L 1 10 1/30/2013 5:55:14 PM

INORGANIC NON-METALS SM 2540 C Analyst: MBG

Total dissolved solids 24100 100 mg/L 5 0 1/30/2013 6:10:24 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day < 2 2 mg/L 1.5 25 1/30/2013 9:15:00 AM

Finish Date/Time 2/4/2013 09:15 0 mg/L 1.5 0 1/30/2013 9:15:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14700 1000 mg/L 200 1/30/2013 9:50:00 AM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/7/2013 5:11:54 PM

Selenium, dissolved 0.08 0.02 mg/L 1 0 2/7/2013 5:11:54 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 1/31/2013 11:58:04 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum < 0.1 0.1 mg/L 1 0 1/30/2013 5:17:49 PM

Arsenic < 0.02 0.02 mg/L 1 0 1/30/2013 5:17:49 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 1/30/2013 5:17:49 PM

Boron 297 2.50 mg/L 50 0 1/31/2013 1:52:32 PM

Cadmium < 0.002 0.002 mg/L 1 0 1/30/2013 5:17:49 PM

Chromium < 0.01 0.01 mg/L 1 0 1/30/2013 5:17:49 PM

Copper 0.01 0.01 mg/L 1 0.1 1/30/2013 5:17:49 PM

Iron < 0.05 0.05 mg/L 1 0 1/30/2013 5:17:49 PM

Lead < 0.02 0.02 mg/L 1 0.1 1/30/2013 5:17:49 PM

Manganese 35.6 0.01 mg/L 1 0 1/30/2013 5:17:49 PM

Nickel < 0.01 0.01 mg/L 1 0 1/30/2013 5:17:49 PM

Selenium 0.10 0.02 mg/L 1 3.4 1/30/2013 5:17:49 PM

Silver < 0.005 0.005 mg/L 1 0.1 1/30/2013 5:17:49 PM

Zinc < 0.01 0.01 mg/L 1 0 1/30/2013 5:17:49 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 2/4/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 1/30/2013 2:57:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 1/29/2013 9:20:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1301C38

Lab ID: G1301C38-002

DF

Geochemical Testing Date: 11-Feb-13

Received Date: 1/29/2013 5:07:22 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: MBG

Total dissolved solids 29700 200 mg/L 10 0 1/30/2013 6:10:24 PM

PHYSICAL TESTS SM 2540D Analyst: MBG

Total suspended solids 21900 200 mg/L 40 0 1/30/2013 5:55:17 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day 18 3 mg/L 3 0 1/30/2013 9:15:00 AM

Finish Date/Time 2/4/2013 09:15 0 mg/L 3 1/30/2013 9:15:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: CLS

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 1/29/2013 6:25:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 16900 1000 mg/L 200 1/30/2013 9:50:00 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 1/31/2013 3:58:51 PM

Selenium, dissolved 0.06 0.02 mg/L 1 0 1/31/2013 3:58:51 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.705 0.100 mg/L 500 0 1/31/2013 11:59:43 AM

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum 414 1.0 mg/L 1 0 2/4/2013 9:02:45 PM

Arsenic 2.87 0.20 mg/L 1 0 2/4/2013 9:02:45 PM

Beryllium 0.055 0.010 mg/L 1 0 2/4/2013 9:02:45 PM

Boron 425 5.00 mg/L 10 0 2/5/2013 1:53:55 PM

Cadmium 0.059 0.020 mg/L 1 0 2/4/2013 9:02:45 PM

Chromium 2.75 0.10 mg/L 1 0 2/4/2013 9:02:45 PM

Copper 2.13 0.10 mg/L 1 0 2/4/2013 9:02:45 PM

Iron 2770 5.00 mg/L 10 0 2/5/2013 1:53:55 PM

Lead 0.97 0.20 mg/L 1 0 2/4/2013 9:02:45 PM

Manganese 431 0.10 mg/L 1 0 2/4/2013 9:02:45 PM

Nickel 4.31 0.10 mg/L 1 0 2/4/2013 9:02:45 PM

Selenium 5.95 0.20 mg/L 1 0 2/4/2013 9:02:45 PM

Silver < 0.050 0.050 mg/L 1 0 2/4/2013 9:02:45 PM

Zinc 4.89 0.10 mg/L 1 0 2/4/2013 9:02:45 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.75 0.02 mg/L 1 0 2/8/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 19 19 mg/L 3.85 0 1/31/2013 8:24:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, February 18, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1302131

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 4 sample(s) on 2/5/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 6
Geochemical Testin Date: 18-Feb-13 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1302131

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 6
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 2/5/2013 10:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1302131

Lab ID: G1302131-001

DF

Geochemical Testing Date: 18-Feb-13

Received Date: 2/5/2013 6:34:16 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids < 5 5 mg/L 1 10 2/6/2013 3:34:01 PM

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 26900 20 mg/L 1 0 2/6/2013 3:24:37 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day < 2 2 mg/L 1.5 25 2/6/2013 9:30:00 AM

Finish Date/Time 2/11/2013 08:35 0 mg/L 1.5 0 2/6/2013 9:30:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 14400 1000 mg/L 200 2/6/2013 11:49:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/6/2013 8:40:00 PM

Selenium, dissolved 0.12 0.02 mg/L 1 0 2/6/2013 8:40:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 2/7/2013 10:42:43 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 2/6/2013 9:27:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 2/6/2013 9:27:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 2/6/2013 9:27:00 PM

Boron 302 2.50 mg/L 50 0 2/7/2013 12:55:32 PM

Cadmium < 0.002 0.002 mg/L 1 0 2/6/2013 9:27:00 PM

Chromium < 0.01 0.01 mg/L 1 0 2/6/2013 9:27:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 2/6/2013 9:27:00 PM

Iron 0.05 0.05 mg/L 1 0 2/6/2013 9:27:00 PM

Lead 0.03 0.02 mg/L 1 0.1 2/6/2013 9:27:00 PM

Manganese 111 0.20 mg/L 20 0 2/7/2013 12:58:06 PM

Nickel 0.02 0.01 mg/L 1 0 2/6/2013 9:27:00 PM

Selenium 0.12 0.02 mg/L 1 3.4 2/6/2013 9:27:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 2/6/2013 9:27:00 PM

Zinc < 0.01 0.01 mg/L 1 0 2/6/2013 9:27:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 2/8/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1.02 15 2/6/2013 2:02:00 PM

I.D. 56-00306 PA DEP

Page 3 of 6
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 2/5/2013 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1302131

Lab ID: G1302131-002

DF

Geochemical Testing Date: 18-Feb-13

Received Date: 2/5/2013 6:34:16 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 34300 200 mg/L 10 0 2/6/2013 3:24:38 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 24200 200 mg/L 40 0 2/6/2013 3:34:02 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day 22 3 mg/L 3 0 2/6/2013 9:30:00 AM

Finish Date/Time 2/11/2013 08:35 0 mg/L 3 2/6/2013 9:30:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 18500 1000 mg/L 200 2/6/2013 11:49:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/6/2013 11:04:00 PM

Selenium, dissolved 0.29 0.02 mg/L 1 0 2/6/2013 11:04:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.540 0.100 mg/L 500 0 2/7/2013 10:50:57 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Aluminum 468 1.0 mg/L 1 0 2/11/2013 10:17:10 PM

Arsenic 2.18 0.20 mg/L 1 0 2/11/2013 10:17:10 PM

Beryllium 0.055 0.010 mg/L 1 0 2/11/2013 10:17:10 PM

Boron 475 5.00 mg/L 10 0 2/12/2013 5:42:03 PM

Cadmium 0.033 0.020 mg/L 1 0 2/12/2013 5:44:37 PM

Chromium 2.71 0.10 mg/L 1 0 2/11/2013 10:17:10 PM

Copper 2.10 0.10 mg/L 1 0 2/11/2013 10:17:10 PM

Iron 2490 5.00 mg/L 10 0 2/12/2013 5:42:03 PM

Lead 0.48 0.20 mg/L 1 0 2/12/2013 5:44:37 PM

Manganese 485 1.00 mg/L 10 0 2/12/2013 5:42:03 PM

Nickel 5.05 0.10 mg/L 1 0 2/11/2013 10:17:10 PM

Selenium 5.96 0.20 mg/L 1 0 2/11/2013 10:17:10 PM

Silver < 0.050 0.050 mg/L 1 0 2/12/2013 5:44:37 PM

Zinc 4.79 0.10 mg/L 1 0 2/11/2013 10:17:10 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.71 0.02 mg/L 1 0 2/15/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 25 25 mg/L 5 0 2/6/2013 2:03:00 PM

I.D. 56-00306 PA DEP

Page 4 of 6
Project: Keystone 611 M(a)

Client Sample ID: Plum Creek

Collection Date: 2/5/2013 11:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1302131

Lab ID: G1302131-003

DF

Geochemical Testing Date: 18-Feb-13

Received Date: 2/5/2013 6:34:16 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON METALS SM 4500-CO2D Analyst: MBG

Bicarbonate 30 5 mg/L CaCO3 1 0 2/6/2013 10:25:00 AM

INORGANIC NON-METALS SM 4500-CO2 Analyst: MBG

Carbonate < 5 5 mg/L CaCO3 1 0 2/6/2013 10:25:00 AM

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 112 20 mg/L 1 0 2/6/2013 3:24:38 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids < 5 5 mg/L 1 0 2/6/2013 3:34:02 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 30 5 mg/L CaCO3 1 0 2/6/2013 10:25:00 AM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.69 0.05 mg/L as N 1 0 2/5/2013 11:49:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 2/5/2013 11:49:00 PM

Nitrate - Nitrite 0.69 0.05 mg/L as N 1 0 2/5/2013 11:49:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 7 1 mg/L 1 0 2/5/2013 11:49:00 PM

Fluoride < 0.1 0.1 mg/L 1 0 2/5/2013 11:49:00 PM

Sulfate 31 2 mg/L 1 0 2/5/2013 11:49:00 PM

INORGANIC NON-METALS EPA 350.1 Analyst: SLY

Ammonia Nitrogen - Distilled < 0.10 0.10 mg/L as N 1 0 2/6/2013 12:23:17 PM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: SAG

Silica, total 4.9 0.20 mg/L 1 0 2/7/2013 1:24:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Barium 0.03 0.01 mg/L 1 0 2/7/2013 12:40:00 AM

Boron < 0.05 0.05 mg/L 1 0 2/7/2013 12:40:00 AM

Calcium 16.1 0.1 mg/L 1 0 2/7/2013 12:40:00 AM

Iron 0.33 0.05 mg/L 1 0 2/7/2013 12:40:00 AM

Magnesium 5.5 0.1 mg/L 1 0 2/7/2013 12:40:00 AM

Manganese 0.10 0.01 mg/L 1 0 2/7/2013 12:40:00 AM

Potassium 1.5 0.5 mg/L 1 0 2/7/2013 12:40:00 AM

Sodium 10.1 0.2 mg/L 1 0 2/7/2013 1:03:16 PM

Strontium 0.13 0.01 mg/L 1 0 2/7/2013 12:40:00 AM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: ACG

Total Organic Carbon 1.3 0.5 mg/L 1 0 2/6/2013 5:18:00 PM

I.D. 56-00306 PA DEP

Page 5 of 6
Project: Keystone 611 M(a)

Client Sample ID: Crooked Creek

Collection Date: 2/5/2013 11:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1302131

Lab ID: G1302131-004

DF

Geochemical Testing Date: 18-Feb-13

Received Date: 2/5/2013 6:34:16 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 170 20 mg/L 1 0 2/6/2013 3:24:38 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 31 5 mg/L 1 2/6/2013 3:34:02 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 37 5 mg/L CaCO3 1 0 2/6/2013 10:32:00 AM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.70 0.05 mg/L as N 1 0 2/6/2013 12:05:00 AM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 2/6/2013 12:05:00 AM

Nitrate - Nitrite 0.70 0.05 mg/L as N 1 0 2/6/2013 12:05:00 AM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 18 1 mg/L 1 0 2/6/2013 12:05:00 AM

Sulfate 51 2 mg/L 1 0 2/6/2013 12:05:00 AM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: SAG

Silica, total 6.3 0.20 mg/L 1 0 2/7/2013 1:24:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Calcium 22.7 0.1 mg/L 1 0 2/7/2013 12:49:00 AM

Iron 1.28 0.05 mg/L 1 0 2/7/2013 12:49:00 AM

Magnesium 7.2 0.1 mg/L 1 0 2/7/2013 12:49:00 AM

Manganese 0.21 0.01 mg/L 1 0 2/7/2013 12:49:00 AM

Potassium 1.8 0.5 mg/L 1 0 2/7/2013 12:49:00 AM

Sodium 21.4 0.2 mg/L 1 0 2/7/2013 1:05:50 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: ACG

Total Organic Carbon 1.3 0.5 mg/L 1 0 2/6/2013 8:59:00 PM

I.D. 56-00306 PA DEP

Page 6 of 6
Wednesday, February 20, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1302413

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 2/11/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 20-Feb-13 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1302413

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 2/11/2013 8:10:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1302413

Lab ID: G1302413-001

DF

Geochemical Testing Date: 20-Feb-13

Received Date: 2/11/2013 3:37:16 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 30200 100 mg/L 5 0 2/12/2013 3:31:44 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 1950 100 mg/L 20 0 2/12/2013 3:47:28 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 12 3 mg/L 3 0 2/13/2013 7:35:00 AM

Finish Date/Time 2/18/2013 07:30 0 mg/L 3 0 2/13/2013 7:35:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15800 1000 mg/L 200 2/11/2013 4:52:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/13/2013 5:15:00 PM

Selenium, dissolved 0.38 0.02 mg/L 1 0 2/13/2013 5:15:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.178 0.100 mg/L 500 0 2/14/2013 10:11:56 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 117 1.0 mg/L 1 0 2/14/2013 9:07:29 PM

Arsenic 0.51 0.20 mg/L 1 0 2/14/2013 9:07:29 PM

Beryllium < 0.010 0.010 mg/L 1 0 2/14/2013 9:07:29 PM

Boron 320 5.00 mg/L 10 0 2/15/2013 1:28:52 PM

Cadmium 0.030 0.020 mg/L 1 0 2/14/2013 9:07:29 PM

Chromium 0.58 0.10 mg/L 1 0 2/15/2013 1:31:26 PM

Copper 0.67 0.10 mg/L 1 0 2/14/2013 9:07:29 PM

Iron 571 0.50 mg/L 1 0 2/15/2013 1:31:26 PM

Lead < 0.20 0.20 mg/L 1 0 2/14/2013 9:07:29 PM

Manganese 387 0.10 mg/L 1 0 2/14/2013 9:07:29 PM

Nickel 2.32 0.10 mg/L 1 0 2/14/2013 9:07:29 PM

Selenium 1.79 0.20 mg/L 1 0 2/14/2013 9:07:29 PM

Silver < 0.050 0.050 mg/L 1 0 2/14/2013 9:07:29 PM

Zinc 1.11 0.10 mg/L 1 0 2/14/2013 9:07:29 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.58 0.02 mg/L 1 0 2/19/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AJR

Oil & Grease < 18 18 mg/L 3.57 0 2/14/2013 2:47:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 2/11/2013 8:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1302413

Lab ID: G1302413-002

DF

Geochemical Testing Date: 20-Feb-13

Received Date: 2/11/2013 3:37:16 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids < 1 1 mg/L 1 10 2/12/2013 3:47:29 PM

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 28100 20 mg/L 1 0 2/12/2013 3:31:44 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 2/13/2013 7:35:00 AM

Finish Date/Time 2/18/2013 07:30 0 mg/L 1.5 0 2/13/2013 7:35:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 14000 1000 mg/L 200 2/11/2013 4:52:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/13/2013 5:32:00 PM

Selenium, dissolved 0.09 0.02 mg/L 1 0 2/13/2013 5:32:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 2/14/2013 10:13:35 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum < 0.1 0.1 mg/L 1 0 2/13/2013 5:01:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 2/13/2013 5:01:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 2/13/2013 5:01:00 PM

Boron 283 2.50 mg/L 50 0 2/14/2013 9:56:00 AM

Cadmium < 0.002 0.002 mg/L 1 0 2/13/2013 5:01:00 PM

Chromium < 0.01 0.01 mg/L 1 0 2/13/2013 5:01:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 2/13/2013 5:01:00 PM

Iron < 0.05 0.05 mg/L 1 0 2/13/2013 5:01:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 2/13/2013 5:01:00 PM

Manganese 31.1 0.01 mg/L 1 0 2/13/2013 5:01:00 PM

Nickel < 0.01 0.01 mg/L 1 0 2/13/2013 5:01:00 PM

Selenium 0.08 0.02 mg/L 1 3.4 2/13/2013 5:01:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 2/13/2013 5:01:00 PM

Zinc < 0.01 0.01 mg/L 1 0 2/13/2013 5:01:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 2/19/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AJR

Oil & Grease < 5 5 mg/L 0.99 15 2/14/2013 2:48:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, February 26, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1302709

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 2/18/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 26-Feb-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1302709

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 2/18/2013 9:40:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1302709

Lab ID: G1302709-001

DF

Geochemical Testing Date: 26-Feb-13

Received Date: 2/18/2013 4:43:30 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 1 1 mg/L 1 10 2/19/2013 3:05:42 PM

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 25400 20 mg/L 1 0 2/19/2013 3:15:47 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 2/20/2013 7:35:00 AM

Finish Date/Time 2/25/2013 08:18 0 mg/L 1.5 0 2/20/2013 7:35:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 14500 2500 mg/L 500 2/19/2013 2:19:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/20/2013 3:26:00 PM

Selenium, dissolved 0.08 0.02 mg/L 1 0 2/20/2013 3:26:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 2/21/2013 9:48:02 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 2/20/2013 3:51:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 2/20/2013 3:51:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 2/20/2013 3:51:00 PM

Boron 315 2.50 mg/L 50 0 2/21/2013 4:05:49 PM

Cadmium < 0.002 0.002 mg/L 1 0 2/20/2013 3:51:00 PM

Chromium < 0.01 0.01 mg/L 1 0 2/20/2013 3:51:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 2/20/2013 3:51:00 PM

Iron < 0.05 0.05 mg/L 1 0 2/20/2013 3:51:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 2/20/2013 3:51:00 PM

Manganese 39.2 0.01 mg/L 1 0 2/20/2013 3:51:00 PM

Nickel < 0.01 0.01 mg/L 1 0 2/20/2013 3:51:00 PM

Selenium 0.09 0.02 mg/L 1 3.4 2/20/2013 3:51:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 2/20/2013 3:51:00 PM

Zinc < 0.01 0.01 mg/L 1 0 2/20/2013 3:51:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 2/21/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AJR

Oil & Grease < 5 5 mg/L 1 15 2/20/2013 3:25:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 2/18/2013 9:20:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1302709

Lab ID: G1302709-002

DF

Geochemical Testing Date: 26-Feb-13

Received Date: 2/18/2013 4:43:30 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 29900 100 mg/L 5 0 2/19/2013 3:15:47 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 11100 100 mg/L 20 0 2/19/2013 3:05:43 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 24 6 mg/L 6 0 2/20/2013 7:35:00 AM

Finish Date/Time 2/25/2013 08:18 0 mg/L 6 2/20/2013 7:35:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: MLR

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 2/18/2013 5:19:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 17900 2500 mg/L 500 2/19/2013 2:19:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/20/2013 6:10:00 PM

Selenium, dissolved 1.09 0.02 mg/L 1 0 2/20/2013 6:10:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.191 0.100 mg/L 500 0 2/21/2013 9:49:40 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum 173 1.0 mg/L 1 0 2/19/2013 10:09:31 PM

Arsenic 0.88 0.20 mg/L 1 0 2/19/2013 10:09:31 PM

Beryllium 0.025 0.010 mg/L 1 0 2/19/2013 10:09:31 PM

Boron 364 5.00 mg/L 10 0 2/20/2013 2:00:00 PM

Cadmium < 0.020 0.020 mg/L 1 0 2/19/2013 10:09:31 PM

Chromium 0.88 0.10 mg/L 1 0 2/19/2013 10:09:31 PM

Copper 0.94 0.10 mg/L 1 0 2/19/2013 10:09:31 PM

Iron 971 0.50 mg/L 1 0 2/19/2013 10:09:31 PM

Lead 0.28 0.20 mg/L 1 0 2/19/2013 10:09:31 PM

Manganese 423 0.10 mg/L 1 0 2/19/2013 10:09:31 PM

Nickel 2.51 0.10 mg/L 1 0 2/19/2013 10:09:31 PM

Selenium 2.04 0.20 mg/L 1 0 2/19/2013 10:09:31 PM

Silver < 0.050 0.050 mg/L 1 0 2/19/2013 10:09:31 PM

Zinc 1.96 0.10 mg/L 1 0 2/19/2013 10:09:31 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.88 0.02 mg/L 1 0 2/21/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AJR

Oil & Grease < 19 19 mg/L 3.85 0 2/22/2013 3:14:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, March 05, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1302A18

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 2/25/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 05-Mar-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1302A18

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 2/25/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1302A18

Lab ID: G1302A18-001

DF

Geochemical Testing Date: 05-Mar-13

Received Date: 2/25/2013 5:41:34 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids < 1 1 mg/L 1 10 2/26/2013 3:33:01 PM

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 22800 20 mg/L 1 0 2/26/2013 3:32:18 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 2/27/2013 7:20:00 AM

Finish Date/Time 3/4/2013 08:05 0 mg/L 1.5 0 2/27/2013 7:20:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14000 1000 mg/L 200 2/26/2013 2:26:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/27/2013 12:43:13 AM

Selenium, dissolved 0.05 0.02 mg/L 1 0 2/27/2013 12:43:13 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 2/28/2013 10:16:41 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum < 0.1 0.1 mg/L 1 0 2/27/2013 12:45:47 AM

Arsenic < 0.02 0.02 mg/L 1 0 2/27/2013 12:45:47 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 2/27/2013 12:45:47 AM

Boron 287 2.50 mg/L 50 0 2/28/2013 9:22:15 AM

Cadmium < 0.002 0.002 mg/L 1 0 2/27/2013 12:45:47 AM

Chromium < 0.01 0.01 mg/L 1 0 2/27/2013 12:45:47 AM

Copper < 0.01 0.01 mg/L 1 0.1 2/27/2013 12:45:47 AM

Iron < 0.05 0.05 mg/L 1 0 2/27/2013 12:45:47 AM

Lead < 0.02 0.02 mg/L 1 0.1 2/27/2013 12:45:47 AM

Manganese 77.7 0.10 mg/L 10 0 2/27/2013 12:31:00 PM

Nickel < 0.01 0.01 mg/L 1 0 2/27/2013 12:45:47 AM

Selenium 0.05 0.02 mg/L 1 3.4 2/27/2013 12:45:47 AM

Silver < 0.005 0.005 mg/L 1 0.1 2/27/2013 12:45:47 AM

Zinc < 0.01 0.01 mg/L 1 0 2/27/2013 12:45:47 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 3/1/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease S 2/27/2013 6:05:00 PM < 5 5 mg/L 1.05 15

NOTES:

S - Spike recovery indicates a possible matrix effect. The method is in control as indicated by the LCS.

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 2/25/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1302A18

Lab ID: G1302A18-002

DF

Geochemical Testing Date: 05-Mar-13

Received Date: 2/25/2013 5:41:34 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 27400 200 mg/L 10 0 2/26/2013 3:32:19 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 34800 200 mg/L 40 0 2/26/2013 3:33:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 37 12 mg/L 12 0 2/27/2013 7:20:00 AM

Finish Date/Time 3/4/2013 08:05 0 mg/L 12 2/27/2013 7:20:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: SEF

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 2/25/2013 6:30:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 17000 1000 mg/L 200 2/26/2013 2:26:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 2/27/2013 12:48:21 AM

Selenium, dissolved 0.94 0.02 mg/L 1 0 2/27/2013 12:48:21 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.545 0.100 mg/L 500 0 2/28/2013 10:18:18 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum 537 1.0 mg/L 1 0 3/2/2013 3:24:00 AM

Arsenic 2.85 0.20 mg/L 1 0 3/2/2013 3:24:00 AM

Beryllium 0.067 0.010 mg/L 1 0 3/2/2013 3:24:00 AM

Boron 392 5.00 mg/L 10 0 3/4/2013 3:27:10 PM

Cadmium 0.038 0.020 mg/L 1 0 3/2/2013 3:24:00 AM

Chromium 3.22 0.10 mg/L 1 0 3/2/2013 3:24:00 AM

Copper 2.24 0.10 mg/L 1 0 3/2/2013 3:24:00 AM

Iron 3370 5.00 mg/L 10 0 3/4/2013 3:27:10 PM

Lead 1.34 0.20 mg/L 1 0 3/2/2013 3:24:00 AM

Manganese 517 1.00 mg/L 10 0 3/4/2013 3:27:10 PM

Nickel 6.12 0.10 mg/L 1 0 3/2/2013 3:24:00 AM

Selenium 5.22 0.20 mg/L 1 0 3/2/2013 3:24:00 AM

Silver < 0.050 0.050 mg/L 1 0 3/2/2013 3:24:00 AM

Zinc 6.80 0.10 mg/L 1 0 3/2/2013 3:24:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 3.22 0.02 mg/L 1 0 3/5/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.85 0 2/27/2013 6:06:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, March 13, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1303073

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 4 sample(s) on 3/4/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 6
Geochemical Testin Date: 13-Mar-13 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1303073

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 6
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 3/4/2013 8:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1303073

Lab ID: G1303073-001

DF

Geochemical Testing Date: 13-Mar-13

Received Date: 3/4/2013 4:19:38 PM

Laboratory Results

Sampled By: Water Lab

MCL

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 4 1 mg/L 1 10 3/5/2013 2:49:50 PM

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 27500 20 mg/L 1 0 3/5/2013 2:39:31 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 3/6/2013 5:55:00 AM

Finish Date/Time 3/11/2013 06:12 0 mg/L 1.5 0 3/6/2013 5:55:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 15500 1000 mg/L 200 3/13/2013 8:40:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/6/2013 8:02:19 PM

Selenium, dissolved 0.04 0.02 mg/L 1 0 3/6/2013 8:02:19 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 3/7/2013 9:54:41 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 3/6/2013 8:12:51 PM

Arsenic < 0.02 0.02 mg/L 1 0 3/6/2013 8:12:51 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 3/6/2013 8:12:51 PM

Boron 297 2.50 mg/L 50 0 3/7/2013 3:41:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 3/6/2013 8:12:51 PM

Chromium < 0.01 0.01 mg/L 1 0 3/6/2013 8:12:51 PM

Copper < 0.01 0.01 mg/L 1 0.1 3/6/2013 8:12:51 PM

Iron < 0.05 0.05 mg/L 1 0 3/6/2013 8:12:51 PM

Lead < 0.02 0.02 mg/L 1 0.1 3/6/2013 8:12:51 PM

Manganese 79.1 0.10 mg/L 10 0 3/7/2013 4:04:00 PM

Nickel < 0.01 0.01 mg/L 1 0 3/6/2013 8:12:51 PM

Selenium 0.05 0.02 mg/L 1 3.4 3/6/2013 8:12:51 PM

Silver < 0.005 0.005 mg/L 1 0.1 3/6/2013 8:12:51 PM

Zinc < 0.01 0.01 mg/L 1 0 3/6/2013 8:12:51 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 3/11/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 3/6/2013 4:30:00 PM

I.D. 56-00306 PA DEP

Page 3 of 6
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 3/4/2013 8:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1303073

Lab ID: G1303073-002

DF

Geochemical Testing Date: 13-Mar-13

Received Date: 3/4/2013 4:19:38 PM

Laboratory Results

Sampled By: Water Lab

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 33600 200 mg/L 10 0 3/5/2013 2:39:34 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 20100 200 mg/L 40 0 3/5/2013 2:49:52 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 11 3 mg/L 3 0 3/6/2013 5:55:00 AM

Finish Date/Time 3/11/2013 06:12 0 mg/L 3 3/6/2013 5:55:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14000 1000 mg/L 200 3/6/2013 10:26:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/6/2013 8:15:26 PM

Selenium, dissolved 0.26 0.02 mg/L 1 0 3/6/2013 8:15:26 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.375 0.100 mg/L 500 0 3/7/2013 9:56:17 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 308 1.0 mg/L 1 0 3/8/2013 5:40:00 PM

Arsenic 1.63 0.20 mg/L 1 0 3/8/2013 5:40:00 PM

Beryllium 0.039 0.010 mg/L 1 0 3/8/2013 5:40:00 PM

Boron 417 5.00 mg/L 10 0 3/11/2013 2:03:19 PM

Cadmium 0.071 0.020 mg/L 1 0 3/8/2013 5:40:00 PM

Chromium 1.71 0.10 mg/L 1 0 3/8/2013 5:40:00 PM

Copper 1.34 0.10 mg/L 1 0 3/8/2013 5:40:00 PM

Iron 1640 0.50 mg/L 1 0 3/8/2013 5:40:00 PM

Lead 0.83 0.20 mg/L 1 0 3/8/2013 5:40:00 PM

Manganese 462 0.10 mg/L 1 0 3/8/2013 5:40:00 PM

Nickel 4.32 0.10 mg/L 1 0 3/8/2013 5:40:00 PM

Selenium 4.47 0.20 mg/L 1 0 3/8/2013 5:40:00 PM

Silver < 0.050 0.050 mg/L 1 0 3/8/2013 5:40:00 PM

Zinc 10.9 0.10 mg/L 1 0 3/8/2013 5:40:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.17 0.02 mg/L 1 0 3/11/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 18 18 mg/L 3.57 0 3/6/2013 6:04:00 PM

I.D. 56-00306 PA DEP

Page 4 of 6
Project: Keystone 611 M(a)

Client Sample ID: Plum Creek

Collection Date: 3/4/2013 8:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1303073

Lab ID: G1303073-003

DF

Geochemical Testing Date: 13-Mar-13

Received Date: 3/4/2013 4:19:38 PM

Laboratory Results

Sampled By: Water Lab

MCL

INORGANIC NON METALS SM 4500-CO2D Analyst: MBG

Bicarbonate 29 5 mg/L CaCO3 1 0 3/5/2013 5:55:00 PM

INORGANIC NON-METALS SM 4500-CO2 Analyst: MBG

Carbonate < 5 5 mg/L CaCO3 1 0 3/5/2013 5:55:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 122 20 mg/L 1 0 3/5/2013 2:39:34 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids < 5 5 mg/L 1 0 3/5/2013 2:49:53 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 29 5 mg/L CaCO3 1 0 3/5/2013 5:55:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.61 0.05 mg/L as N 1 0 3/4/2013 7:24:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 3/4/2013 7:24:00 PM

Nitrate - Nitrite 0.61 0.05 mg/L as N 1 0 3/4/2013 7:24:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 8 1 mg/L 1 0 3/4/2013 7:24:00 PM

Fluoride < 0.1 0.1 mg/L 1 0 3/4/2013 7:24:00 PM

Sulfate 31 2 mg/L 1 0 3/4/2013 7:24:00 PM

INORGANIC NON-METALS EPA 350.1 Analyst: SLY

Ammonia Nitrogen - Distilled < 0.10 0.10 mg/L as N 1 0 3/5/2013 11:51:53 AM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: MLR

Silica, total 4.9 0.20 mg/L 1 0 3/6/2013 11:30:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Barium 0.03 0.01 mg/L 1 0 3/6/2013 8:18:03 PM

Boron 0.11 0.05 mg/L 1 0 3/6/2013 8:18:03 PM

Calcium 15.1 0.1 mg/L 1 0 3/6/2013 8:18:03 PM

Iron 0.21 0.05 mg/L 1 0 3/6/2013 8:18:03 PM

Magnesium 4.6 0.1 mg/L 1 0 3/6/2013 8:18:03 PM

Manganese 0.10 0.01 mg/L 1 0 3/6/2013 8:18:03 PM

Potassium 1.2 0.5 mg/L 1 0 3/6/2013 8:18:03 PM

Sodium 11.5 0.2 mg/L 1 0 3/7/2013 4:08:00 PM

Strontium 0.12 0.01 mg/L 1 0 3/6/2013 8:18:03 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: MTM

Total Organic Carbon 1.3 0.5 mg/L 1 0 3/5/2013 4:26:00 PM

I.D. 56-00306 PA DEP

Page 5 of 6
Project: Keystone 611 M(a)

Client Sample ID: Crooked Creek

Collection Date: 3/4/2013 7:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1303073

Lab ID: G1303073-004

DF

Geochemical Testing Date: 13-Mar-13

Received Date: 3/4/2013 4:19:38 PM

Laboratory Results

Sampled By: Water Lab

MCL

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 154 20 mg/L 1 0 3/5/2013 2:39:34 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 8 5 mg/L 1 3/5/2013 2:49:53 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 30 5 mg/L CaCO3 1 0 3/5/2013 5:58:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.70 0.05 mg/L as N 1 0 3/4/2013 7:41:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 3/4/2013 7:41:00 PM

Nitrate - Nitrite 0.70 0.05 mg/L as N 1 0 3/4/2013 7:41:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 16 1 mg/L 1 0 3/4/2013 7:41:00 PM

Sulfate 40 2 mg/L 1 0 3/4/2013 7:41:00 PM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: MLR

Silica, total 5.6 0.20 mg/L 1 0 3/6/2013 11:30:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Calcium 20.2 0.1 mg/L 1 0 3/6/2013 7:54:29 PM

Iron 0.49 0.05 mg/L 1 0 3/6/2013 7:54:29 PM

Magnesium 5.7 0.1 mg/L 1 0 3/6/2013 7:54:29 PM

Manganese 0.12 0.01 mg/L 1 0 3/6/2013 7:54:29 PM

Potassium 1.5 0.5 mg/L 1 0 3/7/2013 3:24:00 PM

Sodium 17.0 0.2 mg/L 1 0 3/7/2013 3:24:00 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: MTM

Total Organic Carbon 1.2 0.5 mg/L 1 0 3/5/2013 5:03:00 PM

I.D. 56-00306 PA DEP

Page 6 of 6
Friday, March 22, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1303397

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 3/11/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 22-Mar-13 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1303397

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 3/11/2013 8:25:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1303397

Lab ID: G1303397-001

DF

Geochemical Testing Date: 22-Mar-13

Received Date: 3/11/2013 5:59:31 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 6 1 mg/L 1 10 3/12/2013 12:46:47 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 30700 100 mg/L 5 0 3/12/2013 2:37:33 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 3/13/2013 7:20:00 AM

Finish Date/Time 3/18/2013 07:50 0 mg/L 1.5 0 3/13/2013 7:20:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14600 1000 mg/L 200 3/12/2013 9:13:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/19/2013 3:53:00 PM

Selenium, dissolved 0.09 0.02 mg/L 1 0 3/13/2013 6:27:40 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 3/14/2013 10:40:58 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum < 0.1 0.1 mg/L 1 0 3/13/2013 6:25:05 PM

Arsenic < 0.02 0.02 mg/L 1 0 3/13/2013 6:25:05 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 3/13/2013 6:25:05 PM

Boron 363 2.50 mg/L 50 0 3/14/2013 1:16:35 PM

Cadmium < 0.002 0.002 mg/L 1 0 3/13/2013 6:25:05 PM

Chromium < 0.01 0.01 mg/L 1 0 3/13/2013 6:25:05 PM

Copper < 0.01 0.01 mg/L 1 0.1 3/13/2013 6:25:05 PM

Iron < 0.05 0.05 mg/L 1 0 3/14/2013 1:19:09 PM

Lead < 0.02 0.02 mg/L 1 0.1 3/14/2013 1:19:09 PM

Manganese 44.0 0.01 mg/L 1 0 3/13/2013 6:25:05 PM

Nickel < 0.01 0.01 mg/L 1 0 3/13/2013 6:25:05 PM

Selenium 0.09 0.02 mg/L 1 3.4 3/13/2013 6:25:05 PM

Silver < 0.005 0.005 mg/L 1 0.1 3/13/2013 6:25:05 PM

Zinc < 0.01 0.01 mg/L 1 0 3/13/2013 6:25:05 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 3/15/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease S 3/13/2013 2:22:00 PM < 5 5 mg/L 1 15

NOTES:

S - Spike recovery indicates a possible matrix effect. The method is in control as indicated by the LCS.

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 3/11/2013 8:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1303397

Lab ID: G1303397-002

DF

Geochemical Testing Date: 22-Mar-13

Received Date: 3/11/2013 5:59:31 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 32000 200 mg/L 10 0 3/12/2013 2:37:33 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 23200 200 mg/L 40 0 3/12/2013 12:46:45 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 12 3 mg/L 3 0 3/13/2013 7:20:00 AM

Finish Date/Time 3/18/2013 07:50 0 mg/L 3 0 3/13/2013 7:20:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 16900 1000 mg/L 200 3/12/2013 9:13:00 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/14/2013 8:44:28 PM

Selenium, dissolved 0.20 0.02 mg/L 1 0 3/14/2013 8:44:28 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.625 0.100 mg/L 500 0 3/14/2013 10:42:35 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum 411 1.0 mg/L 1 0 3/13/2013 9:08:29 PM

Arsenic 1.74 0.20 mg/L 1 0 3/13/2013 9:08:29 PM

Beryllium 0.032 0.010 mg/L 1 0 3/13/2013 9:08:29 PM

Boron 408 5.00 mg/L 10 0 3/13/2013 9:05:52 PM

Cadmium 0.062 0.020 mg/L 1 0 3/13/2013 9:08:29 PM

Chromium 1.89 0.10 mg/L 1 0 3/13/2013 9:08:29 PM

Copper 1.51 0.10 mg/L 1 0 3/13/2013 9:08:29 PM

Iron 1660 0.50 mg/L 1 0 3/19/2013 5:46:00 PM

Lead 0.70 0.20 mg/L 1 0 3/13/2013 9:08:29 PM

Manganese 406 0.10 mg/L 1 0 3/13/2013 9:08:29 PM

Nickel 3.76 0.10 mg/L 1 0 3/13/2013 9:08:29 PM

Selenium 5.47 0.20 mg/L 1 0 3/13/2013 9:08:29 PM

Silver < 0.050 0.050 mg/L 1 0 3/13/2013 9:08:29 PM

Zinc 4.25 0.10 mg/L 1 0 3/13/2013 9:08:29 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.87 0.02 mg/L 1 0 3/15/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.7 0 3/13/2013 3:49:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, March 27, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1303783

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 3/19/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 27-Mar-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1303783

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 3/19/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1303783

Lab ID: G1303783-001

DF

Geochemical Testing Date: 27-Mar-13

Received Date: 3/19/2013 5:42:01 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2 1 mg/L 1 10 3/20/2013 1:35:27 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26200 20 mg/L 1 0 3/20/2013 1:36:02 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 3/20/2013 9:40:00 AM

Finish Date/Time 3/25/2013 10:57 0 mg/L 1.5 0 3/20/2013 9:40:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 13700 1000 mg/L 200 3/20/2013 11:12:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/20/2013 8:51:53 PM

Selenium, dissolved 0.06 0.02 mg/L 1 0 3/20/2013 8:51:53 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 3/25/2013 10:32:50 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 3/20/2013 8:49:18 PM

Arsenic < 0.02 0.02 mg/L 1 0 3/20/2013 8:49:18 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 3/20/2013 8:49:18 PM

Boron 315 2.50 mg/L 50 0 3/21/2013 2:22:36 PM

Cadmium 0.002 0.002 mg/L 1 0 3/20/2013 8:49:18 PM

Chromium < 0.01 0.01 mg/L 1 0 3/20/2013 8:49:18 PM

Copper < 0.01 0.01 mg/L 1 0.1 3/20/2013 8:49:18 PM

Iron < 0.05 0.05 mg/L 1 0 3/20/2013 8:49:18 PM

Lead < 0.02 0.02 mg/L 1 0.1 3/20/2013 8:49:18 PM

Manganese 32.0 0.01 mg/L 1 0 3/20/2013 8:49:18 PM

Nickel < 0.01 0.01 mg/L 1 0 3/20/2013 8:49:18 PM

Selenium 0.07 0.02 mg/L 1 3.4 3/20/2013 8:49:18 PM

Silver < 0.005 0.005 mg/L 1 0.1 3/20/2013 8:49:18 PM

Zinc < 0.01 0.01 mg/L 1 0 3/20/2013 8:49:18 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 3/26/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.04 15 3/20/2013 4:48:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 3/19/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1303783

Lab ID: G1303783-002

DF

Geochemical Testing Date: 27-Mar-13

Received Date: 3/19/2013 5:42:01 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 32800 200 mg/L 10 0 3/20/2013 1:36:01 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 21900 200 mg/L 40 0 3/20/2013 1:35:17 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 13 3 mg/L 3 0 3/20/2013 9:40:00 AM

Finish Date/Time 3/25/2013 10:57 0 mg/L 3 3/20/2013 9:40:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: MLR

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 3/19/2013 6:27:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 17000 1000 mg/L 200 3/20/2013 11:12:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/20/2013 8:54:27 PM

Selenium, dissolved 0.22 0.02 mg/L 1 0 3/20/2013 8:54:27 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.630 0.100 mg/L 500 0 3/25/2013 10:34:28 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 366 1.0 mg/L 1 0 3/21/2013 4:54:56 PM

Arsenic 2.01 0.20 mg/L 1 0 3/21/2013 4:54:56 PM

Beryllium 0.045 0.010 mg/L 1 0 3/21/2013 4:54:56 PM

Boron 418 0.50 mg/L 1 0 3/21/2013 4:54:56 PM

Cadmium 0.051 0.020 mg/L 1 0 3/21/2013 4:54:56 PM

Chromium 2.03 0.10 mg/L 1 0 3/21/2013 4:54:56 PM

Copper 1.49 0.10 mg/L 1 0 3/21/2013 4:54:56 PM

Iron 1520 0.50 mg/L 1 0 3/21/2013 4:54:56 PM

Lead 0.73 0.20 mg/L 1 0 3/21/2013 4:54:56 PM

Manganese 330 0.10 mg/L 1 0 3/21/2013 4:54:56 PM

Nickel 3.31 0.10 mg/L 1 0 3/21/2013 4:54:56 PM

Selenium 5.00 0.20 mg/L 1 0 3/21/2013 4:54:56 PM

Silver < 0.050 0.050 mg/L 1 0 3/21/2013 4:54:56 PM

Zinc 3.94 0.10 mg/L 1 0 3/21/2013 4:54:56 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.03 0.02 mg/L 1 0 3/26/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.7 0 3/20/2013 6:21:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, April 02, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1303A22

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 3/25/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 02-Apr-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1303A22

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 3/25/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1303A22

Lab ID: G1303A22-001

DF

Geochemical Testing Date: 02-Apr-13

Received Date: 3/25/2013 4:12:53 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5 1 mg/L 1 10 3/26/2013 2:00:28 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 32900 100 mg/L 5 0 3/26/2013 2:00:36 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 3/27/2013 8:20:00 AM

Finish Date/Time 4/1/2013 08:45 0 mg/L 1.5 0 3/27/2013 8:20:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 16100 1000 mg/L 200 3/26/2013 10:58:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/28/2013 12:05:19 AM

Selenium, dissolved 0.06 0.02 mg/L 1 0 3/28/2013 12:05:19 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 3/27/2013 11:04:02 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 3/28/2013 12:02:44 AM

Arsenic < 0.02 0.02 mg/L 1 0 3/28/2013 12:02:44 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 3/28/2013 12:02:44 AM

Boron 342 2.50 mg/L 50 0 3/28/2013 4:59:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 3/28/2013 12:02:44 AM

Chromium < 0.01 0.01 mg/L 1 0 3/28/2013 12:02:44 AM

Copper 0.01 0.01 mg/L 1 0.1 3/28/2013 12:02:44 AM

Iron < 0.05 0.05 mg/L 1 0 3/28/2013 12:02:44 AM

Lead < 0.02 0.02 mg/L 1 0.1 3/28/2013 12:02:44 AM

Manganese 25.4 0.01 mg/L 1 0 3/28/2013 12:02:44 AM

Nickel < 0.01 0.01 mg/L 1 0 3/28/2013 12:02:44 AM

Selenium 0.06 0.02 mg/L 1 3.4 3/28/2013 12:02:44 AM

Silver < 0.005 0.005 mg/L 1 0.1 3/28/2013 12:02:44 AM

Zinc < 0.01 0.01 mg/L 1 0 3/28/2013 12:02:44 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 4/1/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MTM

Oil & Grease < 5 5 mg/L 1 15 3/26/2013 10:09:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 3/25/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1303A22

Lab ID: G1303A22-002

DF

Geochemical Testing Date: 02-Apr-13

Received Date: 3/25/2013 4:12:53 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 29500 200 mg/L 10 0 3/26/2013 2:00:36 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 4660 200 mg/L 40 0 3/26/2013 2:00:27 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 5 3 mg/L 3 0 3/27/2013 8:20:00 AM

Finish Date/Time 4/1/2013 08:45 0 mg/L 3 3/27/2013 8:20:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: HJC

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 3/25/2013 5:30:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 17700 1000 mg/L 200 3/26/2013 10:58:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 3/28/2013 12:07:54 AM

Selenium, dissolved 0.26 0.02 mg/L 1 0 3/28/2013 12:07:54 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.109 0.100 mg/L 500 0 3/27/2013 11:09:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 63.8 1.0 mg/L 1 0 3/27/2013 9:40:23 PM

Arsenic 0.44 0.20 mg/L 1 0 3/27/2013 9:40:23 PM

Beryllium < 0.010 0.010 mg/L 1 0 3/27/2013 9:40:23 PM

Boron 443 0.50 mg/L 1 0 3/27/2013 9:40:23 PM

Cadmium 0.043 0.020 mg/L 1 0 3/27/2013 9:40:23 PM

Chromium 0.45 0.10 mg/L 1 0 3/27/2013 9:40:23 PM

Copper 0.97 0.10 mg/L 1 0 3/27/2013 9:40:23 PM

Iron 276 0.50 mg/L 1 0 3/27/2013 9:40:23 PM

Lead < 0.20 0.20 mg/L 1 0 3/27/2013 9:40:23 PM

Manganese 290 0.10 mg/L 1 0 3/27/2013 9:40:23 PM

Nickel 1.98 0.10 mg/L 1 0 3/27/2013 9:40:23 PM

Selenium 1.37 0.20 mg/L 1 0 3/27/2013 9:40:23 PM

Silver < 0.050 0.050 mg/L 1 0 3/27/2013 9:40:23 PM

Zinc 1.10 0.10 mg/L 1 0 3/27/2013 9:40:23 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.45 0.02 mg/L 1 0 4/1/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MTM

Oil & Grease < 18 18 mg/L 3.57 0 3/26/2013 12:57:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, April 15, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(a)

Order No.: G1304040

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 6 sample(s) on 4/1/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 8
Geochemical Testin Date: 15-Apr-13 g

Project: Keystone 611 Q(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1304040

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 8
Project: Keystone 611 Q(a)

Client Sample ID: Outfall 101

Collection Date: 4/1/2013 9:40:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304040

Lab ID: G1304040-001

DF

Geochemical Testing Date: 15-Apr-13

Received Date: 4/1/2013 5:10:07 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 6 1 mg/L 1 10 4/2/2013 2:32:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 29200 100 mg/L 5 0 4/2/2013 2:32:18 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day < 2 2 mg/L 1.5 25 4/3/2013 8:00:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: MLR

Chloride 15100 1000 mg/L 200 4/3/2013 9:09:00 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/4/2013 3:47:06 PM

Selenium, dissolved 0.03 0.02 mg/L 1 0 4/4/2013 3:47:06 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 4/2/2013 11:10:03 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum < 0.1 0.1 mg/L 1 0 4/4/2013 3:44:33 PM

Arsenic < 0.02 0.02 mg/L 1 0 4/4/2013 3:44:33 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 4/4/2013 3:44:33 PM

Boron 348 2.50 mg/L 50 0 4/5/2013 11:15:00 AM

Cadmium < 0.002 0.002 mg/L 1 0 4/4/2013 3:44:33 PM

Chromium < 0.01 0.01 mg/L 1 0 4/4/2013 3:44:33 PM

Copper < 0.01 0.01 mg/L 1 0.1 4/4/2013 3:44:33 PM

Iron < 0.05 0.05 mg/L 1 0 4/4/2013 3:44:33 PM

Lead < 0.02 0.02 mg/L 1 0.1 4/4/2013 3:44:33 PM

Manganese 33.5 0.01 mg/L 1 0 4/4/2013 3:44:33 PM

Nickel 0.01 0.01 mg/L 1 0 4/4/2013 3:44:33 PM

Selenium 0.04 0.02 mg/L 1 3.4 4/4/2013 3:44:33 PM

Silver < 0.005 0.005 mg/L 1 0.1 4/4/2013 3:44:33 PM

Zinc < 0.01 0.01 mg/L 1 0 4/4/2013 3:44:33 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 4/8/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MTM

Oil & Grease < 5 5 mg/L 1 15 4/3/2013 10:34:00 AM

I.D. 56-00306 PA DEP

Page 3 of 8
Project: Keystone 611 Q(a)

Client Sample ID: FGD Influent

Collection Date: 4/1/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304040

Lab ID: G1304040-002

DF

Geochemical Testing Date: 15-Apr-13

Received Date: 4/1/2013 5:10:07 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 33500 100 mg/L 5 0 4/2/2013 2:32:18 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 19300 100 mg/L 20 0 4/2/2013 2:31:58 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: KMW

BOD 5-day 9 3 mg/L 3 0 4/3/2013 8:00:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: MLR

Chloride 17400 1000 mg/L 200 4/3/2013 9:09:00 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/4/2013 3:49:40 PM

Selenium, dissolved 0.15 0.02 mg/L 1 0 4/4/2013 3:49:40 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.520 0.100 mg/L 500 0 4/2/2013 11:11:40 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum 376 1.0 mg/L 1 0 4/8/2013 6:39:18 PM

Arsenic 1.94 0.20 mg/L 1 0 4/8/2013 6:39:18 PM

Beryllium 0.038 0.010 mg/L 1 0 4/8/2013 6:39:18 PM

Boron 492 5.00 mg/L 10 0 4/9/2013 4:34:10 PM

Cadmium 0.041 0.020 mg/L 1 0 4/8/2013 6:39:18 PM

Chromium 2.51 0.10 mg/L 1 0 4/8/2013 6:39:18 PM

Copper 3.09 0.10 mg/L 1 0 4/8/2013 6:39:18 PM

Iron 1530 0.50 mg/L 1 0 4/8/2013 6:39:18 PM

Lead 0.68 0.20 mg/L 1 0 4/8/2013 6:39:18 PM

Manganese 275 0.10 mg/L 1 0 4/8/2013 6:39:18 PM

Nickel 3.44 0.10 mg/L 1 0 4/8/2013 6:39:18 PM

Selenium 5.80 0.20 mg/L 1 0 4/8/2013 6:39:18 PM

Silver < 0.050 0.050 mg/L 1 0 4/9/2013 4:39:19 PM

Zinc 4.27 0.10 mg/L 1 0 4/8/2013 6:39:18 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.51 0.02 mg/L 1 0 4/10/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MTM

Oil & Grease < 23 23 mg/L 4.55 0 4/3/2013 1:11:00 PM

I.D. 56-00306 PA DEP

Page 4 of 8
Project: Keystone 611 Q(a)

Client Sample ID: Plum Creek

Collection Date: 4/1/2013 7:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304040

Lab ID: G1304040-003

DF

Geochemical Testing Date: 15-Apr-13

Received Date: 4/1/2013 5:10:07 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON METALS SM 4500-CO2D Analyst: MBG

Bicarbonate 29 5 mg/L CaCO3 1 0 4/2/2013 9:44:00 PM

INORGANIC NON-METALS SM 4500-CO2 Analyst: MBG

Carbonate < 5 5 mg/L CaCO3 1 0 4/2/2013 9:44:00 PM

PH BY SM 4500 H+B SM4500-H+B Analyst: MBG

Lab pH H 4/2/2013 9:44:00 PM 7.71 0 S.U. 1 0

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 112 20 mg/L 1 0 4/2/2013 2:32:18 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids < 10 10 mg/L 2 0 4/2/2013 2:31:58 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 29 5 mg/L CaCO3 1 0 4/2/2013 9:44:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.47 0.05 mg/L as N 1 0 4/1/2013 7:33:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 4/1/2013 7:33:00 PM

Nitrate - Nitrite 0.47 0.05 mg/L as N 1 0 4/1/2013 7:33:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 9 1 mg/L 1 0 4/1/2013 7:33:00 PM

Fluoride < 0.1 0.1 mg/L 1 0 4/1/2013 7:33:00 PM

Sulfate 31 2 mg/L 1 0 4/1/2013 7:33:00 PM

INORGANIC NON-METALS EPA 350.1 Analyst: SLY

Ammonia Nitrogen - Distilled < 0.10 0.10 mg/L as N 1 0 4/3/2013 8:00:26 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Barium 0.04 0.01 mg/L 1 0 4/4/2013 1:56:17 PM

Boron < 0.05 0.05 mg/L 1 0 4/4/2013 1:56:17 PM

Calcium 16.1 0.1 mg/L 1 0 4/4/2013 1:56:17 PM

Iron 0.34 0.05 mg/L 1 0 4/4/2013 1:56:17 PM

Magnesium 5.0 0.1 mg/L 1 0 4/4/2013 1:56:17 PM

Manganese 0.10 0.01 mg/L 1 0 4/4/2013 1:56:17 PM

Potassium 1.3 0.5 mg/L 1 0 4/4/2013 1:56:17 PM

Sodium 11.4 0.2 mg/L 1 0 4/4/2013 1:56:17 PM

Strontium 0.14 0.01 mg/L 1 0 4/4/2013 1:56:17 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: MTM

Total Organic Carbon 1.4 0.5 mg/L 1 0 4/2/2013 8:48:00 PM

I.D. 56-00306 PA DEP

Page 5 of 8
Project: Keystone 611 Q(a)

Client Sample ID: Crooked Creek

Collection Date: 4/1/2013 7:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304040

Lab ID: G1304040-004

DF

Geochemical Testing Date: 15-Apr-13

Received Date: 4/1/2013 5:10:07 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON-METALS SM 2540 C Analyst: AM

Total dissolved solids 146 20 mg/L 1 0 4/2/2013 2:32:17 PM

PHYSICAL TESTS SM 2540D Analyst: AM

Total suspended solids 35 5 mg/L 1 0 4/2/2013 2:31:57 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 35 5 mg/L CaCO3 1 0 4/2/2013 9:48:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.50 0.05 mg/L as N 1 0 4/1/2013 7:50:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 4/1/2013 7:50:00 PM

Nitrate - Nitrite 0.50 0.05 mg/L as N 1 0 4/1/2013 7:50:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 19 1 mg/L 1 0 4/1/2013 7:50:00 PM

Sulfate 44 2 mg/L 1 0 4/1/2013 7:50:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Calcium 22.7 0.1 mg/L 1 0 4/4/2013 3:52:13 PM

Iron 1.70 0.05 mg/L 1 0 4/4/2013 3:52:13 PM

Magnesium 6.6 0.1 mg/L 1 0 4/4/2013 3:52:13 PM

Manganese 0.20 0.01 mg/L 1 0 4/4/2013 3:52:13 PM

Potassium 1.5 0.5 mg/L 1 0 4/4/2013 3:52:13 PM

Sodium 18.3 0.2 mg/L 1 0 4/4/2013 3:52:13 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: MTM

Total Organic Carbon 1.4 0.5 mg/L 1 0 4/2/2013 9:07:00 PM

I.D. 56-00306 PA DEP

Page 6 of 8
Project: Keystone 611 Q(a)

Client Sample ID: West Valley Qtrly Leachate

Collection Date: 4/1/2013 8:15:00 AM

Matrix: LEACHATE

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304040

Lab ID: G1304040-005

DF

Geochemical Testing Date: 15-Apr-13

Received Date: 4/1/2013 5:10:07 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 < 5 5 mg/L CaCO3 1 0 4/2/2013 9:51:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron 0.46 0.05 mg/L 1 0 4/4/2013 1:58:52 PM

Manganese 6.73 0.01 mg/L 1 0 4/4/2013 1:58:52 PM

I.D. 56-00306 PA DEP

Page 7 of 8
Project: Keystone 611 Q(a)

Client Sample ID: East Valley Qtrly Leachate

Collection Date: 4/1/2013 9:15:00 AM

Matrix: LEACHATE

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304040

Lab ID: G1304040-006

DF

Geochemical Testing Date: 15-Apr-13

Received Date: 4/1/2013 5:10:07 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 64 5 mg/L CaCO3 1 0 4/2/2013 9:54:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron < 0.05 0.05 mg/L 1 0 4/4/2013 2:01:26 PM

Manganese 0.48 0.01 mg/L 1 0 4/4/2013 2:01:26 PM

I.D. 56-00306 PA DEP

Page 8 of 8
Thursday, April 18, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(b)

Order No.: G1304442

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 4/10/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 18-Apr-13 g

Project: Keystone 611 Q(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1304442

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 Q(b)

Client Sample ID: FGD Influent

Collection Date: 4/9/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304442

Lab ID: G1304442-001

DF

Geochemical Testing Date: 18-Apr-13

Received Date: 4/10/2013 6:56:52 AM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 30500 200 mg/L 10 0 4/10/2013 2:29:28 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 17500 200 mg/L 40 0 4/10/2013 12:37:15 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 8 3 mg/L 3 0 4/10/2013 12:56:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14900 1000 mg/L 200 4/12/2013 6:02:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/12/2013 5:01:30 PM

Selenium, dissolved 0.21 0.02 mg/L 1 0 4/12/2013 5:01:30 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.585 0.100 mg/L 500 0 4/15/2013 8:11:30 AM

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum 307 1.0 mg/L 1 0 4/15/2013 6:21:06 PM

Arsenic 1.58 0.20 mg/L 1 0 4/15/2013 6:21:06 PM

Beryllium 0.028 0.010 mg/L 1 0 4/15/2013 6:21:06 PM

Boron 416 5.00 mg/L 10 0 4/16/2013 5:51:13 PM

Cadmium 0.037 0.020 mg/L 1 0 4/15/2013 6:21:06 PM

Chromium 1.94 0.10 mg/L 1 0 4/15/2013 6:21:06 PM

Copper 1.42 0.10 mg/L 1 0 4/15/2013 6:21:06 PM

Iron 1080 0.50 mg/L 1 0 4/15/2013 6:21:06 PM

Lead 0.55 0.20 mg/L 1 0 4/15/2013 6:21:06 PM

Manganese 182 0.10 mg/L 1 0 4/15/2013 6:21:06 PM

Nickel 2.36 0.10 mg/L 1 0 4/15/2013 6:21:06 PM

Selenium 4.67 0.20 mg/L 1 0 4/15/2013 6:21:06 PM

Silver < 0.050 0.050 mg/L 1 0 4/15/2013 6:21:06 PM

Zinc 2.89 0.10 mg/L 1 0 4/15/2013 6:21:06 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.94 0.02 mg/L 1 0 4/17/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AJR

Oil & Grease < 19 19 mg/L 3.85 0 4/12/2013 2:06:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 Q(b)

Client Sample ID: Outfall 101

Collection Date: 4/9/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304442

Lab ID: G1304442-002

DF

Geochemical Testing Date: 18-Apr-13

Received Date: 4/10/2013 6:56:52 AM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 4 1 mg/L 1 10 4/10/2013 12:37:18 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 31200 100 mg/L 5 0 4/10/2013 2:29:29 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 4/10/2013 12:56:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14300 1000 mg/L 200 4/12/2013 6:02:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/12/2013 4:33:06 PM

Selenium, dissolved 0.05 0.02 mg/L 1 0 4/12/2013 4:33:06 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 4/15/2013 8:09:51 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 4/15/2013 7:03:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 4/12/2013 4:17:36 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 4/12/2013 4:17:36 PM

Boron 326 0.05 mg/L 1 0 4/12/2013 4:17:36 PM

Cadmium < 0.002 0.002 mg/L 1 0 4/15/2013 7:03:00 PM

Chromium < 0.01 0.01 mg/L 1 0 4/12/2013 4:17:36 PM

Copper < 0.01 0.01 mg/L 1 0.1 4/12/2013 4:17:36 PM

Iron < 0.05 0.05 mg/L 1 0 4/12/2013 4:17:36 PM

Lead < 0.02 0.02 mg/L 1 0.1 4/12/2013 4:17:36 PM

Manganese 18.5 0.01 mg/L 1 0 4/12/2013 4:17:36 PM

Nickel < 0.01 0.01 mg/L 1 0 4/12/2013 4:17:36 PM

Selenium 0.06 0.02 mg/L 1 3.4 4/12/2013 4:17:36 PM

Silver < 0.005 0.005 mg/L 1 0.1 4/15/2013 7:03:00 PM

Zinc < 0.01 0.01 mg/L 1 0 4/12/2013 4:17:36 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 4/17/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AJR

Oil & Grease < 5 5 mg/L 1.02 15 4/12/2013 2:06:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Page 1 of 4

Wednesday, May 08, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1304668

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 4/15/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Tim othy W .Bergstresser

DirectorofTechnicalServices
Page 2 of 4

Geochemical Testin Date: 08-May-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1304668

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit
Page 3 of 4

Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 4/15/2013 8:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304668

Lab ID: G1304668-001

DF

Geochemical Testing Date: 08-May-13

Received Date: 4/15/2013 4:21:24 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 7 1 mg/L 1 10 4/16/2013 12:41:05 PM

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 35300 100 mg/L 5 0 4/16/2013 12:40:18 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 4/17/2013 6:16:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14700 1000 mg/L 200 4/16/2013 2:54:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/17/2013 4:56:00 PM

Selenium, dissolved 0.08 0.02 mg/L 1 0 4/17/2013 4:56:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury U 4/23/2013 9:20:42 AM 0.0025 0.0002 mg/L 25 0.004

INORGANIC METALS EPA 200.7 Analyst: MAS

Aluminum < 0.1 0.1 mg/L 1 0 4/17/2013 4:52:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 4/17/2013 4:52:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 4/17/2013 4:52:00 PM

Boron 344 2.50 mg/L 50 0 4/18/2013 11:14:26 AM

Cadmium < 0.002 0.002 mg/L 1 0 4/17/2013 4:52:00 PM

Chromium < 0.01 0.01 mg/L 1 0 4/17/2013 4:52:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 4/17/2013 4:52:00 PM

Iron < 0.05 0.05 mg/L 1 0 4/17/2013 4:52:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 4/17/2013 4:52:00 PM

Manganese 10.4 0.01 mg/L 1 0 4/17/2013 4:52:00 PM

Nickel < 0.01 0.01 mg/L 1 0 4/17/2013 4:52:00 PM

Selenium 0.08 0.02 mg/L 1 3.4 4/17/2013 4:52:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 4/17/2013 4:52:00 PM

Zinc 0.01 0.01 mg/L 1 0 4/17/2013 4:52:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 4/19/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AJR

Oil & Grease < 5 5 mg/L 1 15 4/18/2013 2:48:00 PM

I.D. 56-00306 PA DEP
Page 4 of 4

Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 4/15/2013 8:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304668

Lab ID: G1304668-002

DF

Geochemical Testing Date: 08-May-13

Received Date: 4/15/2013 4:21:24 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 37500 200 mg/L 10 0 4/16/2013 12:40:17 PM

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 6660 200 mg/L 40 0 4/16/2013 12:41:06 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 4 3 mg/L 3 0 4/17/2013 6:16:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: CLS

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 4/15/2013 5:16:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 16300 1000 mg/L 200 4/16/2013 2:54:00 PM

INORGANIC METALS EPA 200.7 Analyst: MAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/17/2013 5:01:00 PM

Selenium, dissolved 0.19 0.02 mg/L 1 0 4/17/2013 5:01:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.260 0.100 mg/L 500 0 4/19/2013 9:20:51 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Aluminum 118 1.0 mg/L 1 0 4/19/2013 9:19:45 PM

Arsenic 0.73 0.20 mg/L 1 0 4/19/2013 9:19:45 PM

Beryllium 0.012 0.010 mg/L 1 0 4/19/2013 9:19:45 PM

Boron 429 5.00 mg/L 10 0 4/22/2013 12:34:39 PM

Cadmium 0.035 0.020 mg/L 1 0 4/19/2013 9:19:45 PM

Chromium 0.84 0.10 mg/L 1 0 4/19/2013 9:19:45 PM

Copper 1.11 0.10 mg/L 1 0 4/19/2013 9:19:45 PM

Iron 436 0.50 mg/L 1 0 4/19/2013 9:19:45 PM

Lead < 0.20 0.20 mg/L 1 0 4/19/2013 9:19:45 PM

Manganese 147 0.10 mg/L 1 0 4/19/2013 9:19:45 PM

Nickel 1.65 0.10 mg/L 1 0 4/19/2013 9:19:45 PM

Selenium 2.73 0.20 mg/L 1 0 4/19/2013 9:19:45 PM

Silver < 0.050 0.050 mg/L 1 0 4/19/2013 9:19:45 PM

Zinc 1.60 0.10 mg/L 1 0 4/19/2013 9:19:45 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.84 0.02 mg/L 1 0 4/22/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: AJR

Oil & Grease < 18 18 mg/L 3.57 0 4/18/2013 2:47:00 PM

I.D. 56-00306 PA DEP
Wednesday, May 01, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1304A21

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 4/23/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 01-May-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1304A21

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 4/22/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304A21

Lab ID: G1304A21-001

DF

Geochemical Testing Date: 01-May-13

Received Date: 4/23/2013 5:53:01 AM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3 1 mg/L 1 10 4/23/2013 2:00:07 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23900 100 mg/L 5 0 4/23/2013 2:00:36 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: HJC

BOD 5-day < 2 2 mg/L 1.5 25 4/24/2013 8:29:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 13700 1000 mg/L 200 4/24/2013 1:03:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/25/2013 4:26:00 PM

Selenium, dissolved 0.05 0.02 mg/L 1 0 4/24/2013 4:57:26 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 4/23/2013 1:27:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 4/24/2013 4:54:52 PM

Arsenic < 0.02 0.02 mg/L 1 0 4/24/2013 4:54:52 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 4/24/2013 4:54:52 PM

Boron 311 2.50 mg/L 50 0 4/25/2013 3:44:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 4/24/2013 4:54:52 PM

Chromium < 0.01 0.01 mg/L 1 0 4/24/2013 4:54:52 PM

Copper < 0.01 0.01 mg/L 1 0.1 4/24/2013 4:54:52 PM

Iron < 0.05 0.05 mg/L 1 0 4/25/2013 3:46:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 4/24/2013 4:54:52 PM

Manganese 6.72 0.01 mg/L 1 0 4/24/2013 4:54:52 PM

Nickel < 0.01 0.01 mg/L 1 0 4/24/2013 4:54:52 PM

Selenium 0.05 0.02 mg/L 1 3.4 4/24/2013 4:54:52 PM

Silver < 0.005 0.005 mg/L 1 0.1 4/24/2013 4:54:52 PM

Zinc < 0.01 0.01 mg/L 1 0 4/24/2013 4:54:52 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 4/26/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.04 15 4/26/2013 2:33:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 4/22/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304A21

Lab ID: G1304A21-002

DF

Geochemical Testing Date: 01-May-13

Received Date: 4/23/2013 5:53:01 AM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25100 200 mg/L 10 0 4/23/2013 2:00:36 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 9440 200 mg/L 40 0 4/23/2013 2:00:06 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: HJC

BOD 5-day 7 3 mg/L 3 0 4/24/2013 8:29:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: MLR

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 4/23/2013 6:32:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 14500 1000 mg/L 200 4/24/2013 1:03:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 4/25/2013 6:26:00 PM

Selenium, dissolved 0.02 0.02 mg/L 1 0 4/24/2013 5:22:46 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.351 0.100 mg/L 500 0 4/23/2013 1:28:38 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 182 1.0 mg/L 1 0 4/26/2013 5:48:10 PM

Arsenic 1.10 0.20 mg/L 1 0 4/26/2013 5:48:10 PM

Beryllium 0.018 0.010 mg/L 1 0 4/26/2013 5:48:10 PM

Boron 369 5.00 mg/L 10 0 4/29/2013 1:19:00 PM

Cadmium 0.031 0.020 mg/L 1 0 4/26/2013 5:48:10 PM

Chromium 0.96 0.10 mg/L 1 0 4/26/2013 5:48:10 PM

Copper 0.94 0.10 mg/L 1 0 4/26/2013 5:48:10 PM

Iron 485 0.50 mg/L 1 0 4/26/2013 5:48:10 PM

Lead 0.28 0.20 mg/L 1 0 4/26/2013 5:48:10 PM

Manganese 113 0.10 mg/L 1 0 4/26/2013 5:48:10 PM

Nickel 1.54 0.10 mg/L 1 0 4/26/2013 5:48:10 PM

Selenium 3.46 0.20 mg/L 1 0 4/26/2013 5:48:10 PM

Silver < 0.050 0.050 mg/L 1 0 4/26/2013 5:48:10 PM

Zinc 1.93 0.10 mg/L 1 0 4/26/2013 5:48:10 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.96 0.02 mg/L 1 0 4/29/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.7 0 4/26/2013 2:47:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, May 07, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1304D24

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 4/29/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 07-May-13 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1304D24

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 4/29/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304D24

Lab ID: G1304D24-001

DF

Geochemical Testing Date: 07-May-13

Received Date: 4/29/2013 6:35:29 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3 1 mg/L 1 10 4/30/2013 2:30:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 4490 20 mg/L 1 0 4/30/2013 2:30:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 5/1/2013 6:19:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 11900 1000 mg/L 200 5/1/2013 9:55:00 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/2/2013 12:27:00 AM

Selenium, dissolved 0.09 0.02 mg/L 1 0 5/2/2013 12:27:00 AM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.0002 0.0002 mg/L 1 0.004 5/2/2013 12:50:59 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum < 0.1 0.1 mg/L 1 0 5/1/2013 10:48:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 5/1/2013 10:48:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 5/1/2013 10:48:00 PM

Boron 287 2.50 mg/L 50 0 5/2/2013 12:28:26 PM

Cadmium < 0.002 0.002 mg/L 1 0 5/1/2013 10:48:00 PM

Chromium < 0.01 0.01 mg/L 1 0 5/1/2013 10:48:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 5/1/2013 10:48:00 PM

Iron < 0.05 0.05 mg/L 1 0 5/1/2013 10:48:00 PM

Lead 0.02 0.02 mg/L 1 0.1 5/1/2013 10:48:00 PM

Manganese 4.99 0.01 mg/L 1 0 5/1/2013 10:48:00 PM

Nickel 0.01 0.01 mg/L 1 0 5/1/2013 10:48:00 PM

Selenium 0.08 0.02 mg/L 1 3.4 5/1/2013 10:48:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 5/1/2013 10:48:00 PM

Zinc < 0.01 0.01 mg/L 1 0 5/1/2013 10:48:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 5/3/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.02 15 5/3/2013 7:26:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 4/29/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1304D24

Lab ID: G1304D24-002

DF

Geochemical Testing Date: 07-May-13

Received Date: 4/29/2013 6:35:29 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23400 100 mg/L 5 0 4/30/2013 2:30:00 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 8720 100 mg/L 20 0 4/30/2013 2:30:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 3 3 mg/L 3 0 5/1/2013 6:19:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 12700 1000 mg/L 200 5/1/2013 9:55:00 AM

INORGANIC METALS EPA 200.7 Analyst: MS

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/2/2013 1:07:00 AM

Selenium, dissolved 0.13 0.02 mg/L 1 0 5/2/2013 1:07:00 AM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury 0.408 0.100 mg/L 500 0 5/2/2013 12:52:36 PM

INORGANIC METALS EPA 200.7 Analyst: MS

Aluminum 168 1.0 mg/L 1 0 5/2/2013 1:32:00 AM

Arsenic 1.09 0.20 mg/L 1 0 5/2/2013 1:32:00 AM

Beryllium 0.013 0.010 mg/L 1 0 5/2/2013 1:32:00 AM

Boron 272 5.00 mg/L 10 0 5/2/2013 12:36:07 PM

Cadmium < 0.020 0.020 mg/L 1 0 5/2/2013 1:32:00 AM

Chromium 1.12 0.10 mg/L 1 0 5/2/2013 1:32:00 AM

Copper 0.64 0.10 mg/L 1 0 5/2/2013 1:32:00 AM

Iron 462 0.50 mg/L 1 0 5/2/2013 1:32:00 AM

Lead 0.32 0.20 mg/L 1 0 5/2/2013 1:32:00 AM

Manganese 73.5 0.10 mg/L 1 0 5/2/2013 1:32:00 AM

Nickel 1.32 0.10 mg/L 1 0 5/2/2013 1:32:00 AM

Selenium 3.02 0.20 mg/L 1 0 5/2/2013 1:32:00 AM

Silver < 0.050 0.050 mg/L 1 0 5/2/2013 1:32:00 AM

Zinc 1.77 0.10 mg/L 1 0 5/2/2013 1:32:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.66 0.02 mg/L 1 0 5/3/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.7 0 5/3/2013 7:26:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, May 17, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1305245

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 5/7/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 17-May-13 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1305245

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 5/6/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1305245

Lab ID: G1305245-001

DF

Geochemical Testing Date: 17-May-13

Received Date: 5/7/2013 6:51:48 AM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1 1 mg/L 1 10 5/7/2013 2:40:48 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26000 20 mg/L 1 0 5/7/2013 2:40:01 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 5/8/2013 5:11:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14100 1000 mg/L 200 5/7/2013 9:29:00 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/9/2013 4:31:18 PM

Selenium, dissolved 0.07 0.02 mg/L 1 0 5/9/2013 4:31:18 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.0002 0.0002 mg/L 1 0.004 5/9/2013 10:51:01 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Aluminum < 0.1 0.1 mg/L 1 0 5/9/2013 4:28:43 PM

Arsenic < 0.02 0.02 mg/L 1 0 5/9/2013 4:28:43 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 5/9/2013 4:28:43 PM

Boron 294 2.50 mg/L 50 0 5/10/2013 2:23:00 PM

Cadmium 0.003 0.002 mg/L 1 0 5/9/2013 4:28:43 PM

Chromium < 0.01 0.01 mg/L 1 0 5/9/2013 4:28:43 PM

Copper < 0.01 0.01 mg/L 1 0.1 5/9/2013 4:28:43 PM

Iron < 0.05 0.05 mg/L 1 0 5/9/2013 4:28:43 PM

Lead < 0.02 0.02 mg/L 1 0.1 5/9/2013 4:28:43 PM

Manganese 2.74 0.01 mg/L 1 0 5/9/2013 4:28:43 PM

Nickel < 0.01 0.01 mg/L 1 0 5/9/2013 4:28:43 PM

Selenium 0.08 0.02 mg/L 1 3.4 5/9/2013 4:28:43 PM

Silver < 0.005 0.005 mg/L 1 0.1 5/9/2013 4:28:43 PM

Zinc 0.01 0.01 mg/L 1 0 5/9/2013 4:28:43 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 5/15/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.02 15 5/9/2013 6:46:00 AM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 5/6/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1305245

Lab ID: G1305245-002

DF

Geochemical Testing Date: 17-May-13

Received Date: 5/7/2013 6:51:48 AM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 33300 200 mg/L 10 0 5/7/2013 2:40:00 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3540 200 mg/L 40 0 5/7/2013 2:40:34 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 3 3 mg/L 3 0 5/8/2013 5:11:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 11800 1000 mg/L 200 5/7/2013 9:29:00 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/9/2013 4:33:52 PM

Selenium, dissolved 0.07 0.02 mg/L 1 0 5/9/2013 4:33:52 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury 0.153 0.100 mg/L 500 0 5/9/2013 11:00:42 AM

INORGANIC METALS EPA 200.7 Analyst: JAS

Aluminum 67.2 1.0 mg/L 1 0 5/8/2013 4:30:15 PM

Arsenic 0.45 0.20 mg/L 1 0 5/8/2013 4:30:15 PM

Beryllium < 0.010 0.010 mg/L 1 0 5/8/2013 4:30:15 PM

Boron 404 5.00 mg/L 10 0 5/9/2013 2:44:22 PM

Cadmium 0.037 0.020 mg/L 1 0 5/8/2013 4:30:15 PM

Chromium 0.45 0.10 mg/L 1 0 5/8/2013 4:30:15 PM

Copper 0.67 0.10 mg/L 1 0 5/8/2013 4:30:15 PM

Iron 196 0.50 mg/L 1 0 5/8/2013 4:30:15 PM

Lead < 0.20 0.20 mg/L 1 0 5/8/2013 4:30:15 PM

Manganese 107 0.10 mg/L 1 0 5/8/2013 4:30:15 PM

Nickel 1.28 0.10 mg/L 1 0 5/8/2013 4:30:15 PM

Selenium 1.43 0.20 mg/L 1 0 5/8/2013 4:30:15 PM

Silver < 0.050 0.050 mg/L 1 0 5/8/2013 4:30:15 PM

Zinc 1.70 0.10 mg/L 1 0 5/8/2013 4:30:15 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.44 0.02 mg/L 1 0 5/15/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.85 0 5/9/2013 6:46:00 AM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, May 22, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1305570

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 5/13/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 22-May-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1305570

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 5/13/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1305570

Lab ID: G1305570-001

DF

Geochemical Testing Date: 22-May-13

Received Date: 5/13/2013 5:09:47 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 2 1 mg/L 1 10 5/14/2013 12:12:07 PM

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 22600 100 mg/L 5 0 5/14/2013 2:19:31 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 5/15/2013 5:29:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 13700 1000 mg/L 200 5/14/2013 10:06:00 AM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/15/2013 6:34:00 AM

Selenium, dissolved 0.09 0.02 mg/L 1 0 5/15/2013 6:34:00 AM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.0002 0.0002 mg/L 1 0.004 5/14/2013 1:02:48 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum < 0.1 0.1 mg/L 1 0 5/15/2013 5:33:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 5/15/2013 5:33:00 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 5/15/2013 5:33:00 AM

Boron 260 2.50 mg/L 50 0 5/15/2013 8:37:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 5/15/2013 5:33:00 AM

Chromium < 0.01 0.01 mg/L 1 0 5/15/2013 5:33:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 5/15/2013 5:33:00 AM

Iron < 0.05 0.05 mg/L 1 0 5/15/2013 5:33:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 5/15/2013 5:33:00 AM

Manganese 2.16 0.01 mg/L 1 0 5/15/2013 5:33:00 AM

Nickel < 0.01 0.01 mg/L 1 0 5/15/2013 5:33:00 AM

Selenium 0.09 0.02 mg/L 1 3.4 5/15/2013 5:33:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 5/15/2013 5:33:00 AM

Zinc < 0.01 0.01 mg/L 1 0 5/15/2013 5:33:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 5/20/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 5/17/2013 2:07:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 5/13/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1305570

Lab ID: G1305570-002

DF

Geochemical Testing Date: 22-May-13

Received Date: 5/13/2013 5:09:47 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 22900 100 mg/L 5 0 5/14/2013 2:19:31 PM

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 15000 100 mg/L 20 0 5/14/2013 12:12:06 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 0 5/15/2013 5:29:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: CLS

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 5/13/2013 6:14:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 15300 1000 mg/L 200 5/14/2013 10:06:00 AM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/15/2013 7:36:00 AM

Selenium, dissolved 0.26 0.02 mg/L 1 0 5/15/2013 7:36:00 AM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury 0.835 0.100 mg/L 500 0 5/14/2013 1:10:59 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum 364 1.0 mg/L 1 0 5/18/2013 8:12:00 AM

Arsenic 2.35 0.20 mg/L 1 0 5/18/2013 8:12:00 AM

Beryllium 0.028 0.010 mg/L 1 0 5/18/2013 8:12:00 AM

Boron 413 5.00 mg/L 10 0 5/20/2013 4:07:08 PM

Cadmium 0.020 0.020 mg/L 1 0 5/18/2013 8:12:00 AM

Chromium 2.41 0.10 mg/L 1 0 5/18/2013 8:12:00 AM

Copper 1.51 0.10 mg/L 1 0 5/18/2013 8:12:00 AM

Iron 865 0.50 mg/L 1 0 5/18/2013 8:12:00 AM

Lead 0.75 0.20 mg/L 1 0 5/18/2013 8:12:00 AM

Manganese 91.3 0.10 mg/L 1 0 5/18/2013 8:12:00 AM

Nickel 2.33 0.10 mg/L 1 0 5/18/2013 8:12:00 AM

Selenium 5.85 0.20 mg/L 1 0 5/18/2013 8:12:00 AM

Silver < 0.050 0.050 mg/L 1 0 5/20/2013 4:09:43 PM

Zinc 3.73 0.10 mg/L 1 0 5/18/2013 8:12:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.41 0.02 mg/L 1 0 5/20/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 19 19 mg/L 3.85 0 5/17/2013 2:08:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, June 04, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1305895

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 5/20/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 04-Jun-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1305895

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 5/20/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1305895

Lab ID: G1305895-001

DF

Geochemical Testing Date: 04-Jun-13

Received Date: 5/20/2013 6:10:59 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 4 1 mg/L 1 10 5/21/2013 1:36:37 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 21200 20 mg/L 1 0 5/21/2013 1:36:12 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 5/22/2013 4:15:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 11000 1000 mg/L 200 5/20/2013 6:49:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/22/2013 11:22:50 AM

Selenium, dissolved 0.08 0.02 mg/L 1 0 5/22/2013 11:22:50 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 5/21/2013 10:53:05 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 5/22/2013 11:20:16 AM

Arsenic < 0.02 0.02 mg/L 1 0 5/22/2013 11:20:16 AM

Beryllium < 0.001 0.001 mg/L 1 0.8 5/22/2013 11:20:16 AM

Boron 277 5.00 mg/L 100 0 5/23/2013 1:35:00 PM

Cadmium 0.003 0.002 mg/L 1 0 5/22/2013 11:20:16 AM

Chromium < 0.01 0.01 mg/L 1 0 5/22/2013 11:20:16 AM

Copper < 0.01 0.01 mg/L 1 0.1 5/22/2013 11:20:16 AM

Iron < 0.05 0.05 mg/L 1 0 5/22/2013 11:20:16 AM

Lead < 0.02 0.02 mg/L 1 0.1 5/22/2013 11:20:16 AM

Manganese 3.68 0.01 mg/L 1 0 5/22/2013 11:20:16 AM

Nickel < 0.01 0.01 mg/L 1 0 5/22/2013 11:20:16 AM

Selenium 0.08 0.02 mg/L 1 3.4 5/22/2013 11:20:16 AM

Silver < 0.005 0.005 mg/L 1 0.1 5/22/2013 11:20:16 AM

Zinc < 0.01 0.01 mg/L 1 0 5/22/2013 11:20:16 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 5/23/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.03 15 5/30/2013 1:24:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 5/20/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1305895

Lab ID: G1305895-002

DF

Geochemical Testing Date: 04-Jun-13

Received Date: 5/20/2013 6:10:59 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 32100 100 mg/L 5 0 5/21/2013 1:36:12 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 11300 100 mg/L 20 0 5/21/2013 1:36:36 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 4 3 mg/L 3 0 5/22/2013 4:15:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: SEF

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 5/20/2013 6:43:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 17300 1000 mg/L 200 5/20/2013 6:49:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 5/22/2013 11:51:07 AM

Selenium, dissolved 0.29 0.02 mg/L 1 0 5/22/2013 11:51:07 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.900 0.100 mg/L 500 0 5/21/2013 10:54:44 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 300 1.0 mg/L 1 0 5/23/2013 11:08:00 PM

Arsenic 2.04 0.20 mg/L 1 0 5/23/2013 11:08:00 PM

Beryllium 0.030 0.010 mg/L 1 0 5/23/2013 11:08:00 PM

Boron 498 5.00 mg/L 10 0 5/24/2013 2:29:44 PM

Cadmium < 0.200 0.200 mg/L 10 0 5/24/2013 2:29:44 PM

Chromium 2.09 0.10 mg/L 1 0 5/23/2013 11:08:00 PM

Copper 1.33 0.10 mg/L 1 0 5/23/2013 11:08:00 PM

Iron 673 0.50 mg/L 1 0 5/23/2013 11:08:00 PM

Lead 0.67 0.20 mg/L 1 0 5/23/2013 11:08:00 PM

Manganese 92.5 0.10 mg/L 1 0 5/23/2013 11:08:00 PM

Nickel 2.43 0.10 mg/L 1 0 5/23/2013 11:08:00 PM

Selenium 7.21 2.00 mg/L 10 0 5/24/2013 2:29:44 PM

Silver < 0.050 0.050 mg/L 1 0 5/23/2013 11:08:00 PM

Zinc 3.53 0.10 mg/L 1 0 5/23/2013 11:08:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.09 0.02 mg/L 1 0 5/28/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 24 24 mg/L 4.76 0 5/30/2013 1:24:00 PM

NOTES:

The pH of the sample was >2.

I.D. 56-00306 PA DEP

Page 4 of 4
Thursday, June 13, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1305C13

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 5/28/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 13-Jun-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1305C13

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 5/28/2013 11:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1305C13

Lab ID: G1305C13-001

DF

Geochemical Testing Date: 13-Jun-13

Received Date: 5/28/2013 6:12:48 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5 1 mg/L 1 10 5/29/2013 2:58:29 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25500 100 mg/L 5 0 5/29/2013 2:58:45 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 5/29/2013 8:09:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SAG

Chloride 14300 1000 mg/L 200 5/29/2013 1:40:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/3/2013 7:59:00 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 6/3/2013 7:59:00 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.0002 0.0002 mg/L 1 0.004 6/3/2013 10:48:18 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 6/3/2013 7:35:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 6/3/2013 7:35:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 6/3/2013 7:35:00 PM

Boron 313 5.00 mg/L 100 0 6/4/2013 11:35:08 AM

Cadmium < 0.002 0.002 mg/L 1 0 6/3/2013 7:35:00 PM

Chromium < 0.01 0.01 mg/L 1 0 6/3/2013 7:35:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 6/3/2013 7:35:00 PM

Iron < 0.05 0.05 mg/L 1 0 6/3/2013 7:35:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 6/3/2013 7:35:00 PM

Manganese 1.58 0.01 mg/L 1 0 6/3/2013 7:35:00 PM

Nickel < 0.01 0.01 mg/L 1 0 6/3/2013 7:35:00 PM

Selenium 0.10 0.02 mg/L 1 3.4 6/3/2013 7:35:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 6/3/2013 7:35:00 PM

Zinc < 0.01 0.01 mg/L 1 0 6/3/2013 7:35:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 6/11/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 6/3/2013 4:42:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 5/28/2013 11:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1305C13

Lab ID: G1305C13-002

DF

Geochemical Testing Date: 13-Jun-13

Received Date: 5/28/2013 6:12:48 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26400 100 mg/L 5 0 5/29/2013 2:58:45 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5680 100 mg/L 20 0 5/29/2013 2:58:26 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 3 3 mg/L 3 0 5/29/2013 8:09:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: HJC

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 5/28/2013 6:55:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SAG

Chloride 15800 1000 mg/L 200 5/29/2013 1:40:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/3/2013 8:35:00 PM

Selenium, dissolved 0.23 0.02 mg/L 1 0 6/3/2013 8:35:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.203 0.100 mg/L 500 0 5/29/2013 1:26:50 PM

INORGANIC METALS EPA 200.7 Analyst: JAS

Aluminum 101 1.0 mg/L 1 0 5/31/2013 9:20:22 PM

Arsenic 0.55 0.20 mg/L 1 0 5/31/2013 9:20:22 PM

Beryllium < 0.010 0.010 mg/L 1 0 5/31/2013 9:20:22 PM

Boron 413 5.00 mg/L 10 0 6/4/2013 1:44:05 PM

Cadmium 0.037 0.020 mg/L 1 0 5/31/2013 9:20:22 PM

Chromium 0.67 0.10 mg/L 1 0 5/31/2013 9:20:22 PM

Copper 0.53 0.10 mg/L 1 0 5/31/2013 9:20:22 PM

Iron 270 0.50 mg/L 1 0 5/31/2013 9:20:22 PM

Lead 0.21 0.20 mg/L 1 0 5/31/2013 9:20:22 PM

Manganese 87.3 0.10 mg/L 1 0 5/31/2013 9:20:22 PM

Nickel 1.57 0.10 mg/L 1 0 5/31/2013 9:20:22 PM

Selenium 2.08 0.20 mg/L 1 0 5/31/2013 9:20:22 PM

Silver < 0.050 0.050 mg/L 1 0 5/31/2013 9:20:22 PM

Zinc 2.55 0.10 mg/L 1 0 5/31/2013 9:20:22 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.67 0.02 mg/L 1 0 6/4/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 18 18 mg/L 3.57 0 6/3/2013 4:43:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, June 14, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1306056

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 3 sample(s) on 6/3/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 5
Geochemical Testin Date: 14-Jun-13 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1306056

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 5
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 6/3/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1306056

Lab ID: G1306056-001

DF

Geochemical Testing Date: 14-Jun-13

Received Date: 6/3/2013 5:12:18 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 1 1 mg/L 1 10 6/4/2013 2:22:08 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 34200 100 mg/L 5 0 6/4/2013 2:21:19 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 6/5/2013 6:35:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 13100 1000 mg/L 200 6/4/2013 10:42:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/5/2013 11:46:00 PM

Selenium, dissolved 0.09 0.02 mg/L 1 0 6/5/2013 11:46:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 6/6/2013 8:28:15 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 6/5/2013 11:35:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 6/5/2013 11:35:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 6/5/2013 11:35:00 PM

Boron 306 2.50 mg/L 50 0 6/6/2013 12:12:35 PM

Cadmium < 0.002 0.002 mg/L 1 0 6/5/2013 11:35:00 PM

Chromium < 0.01 0.01 mg/L 1 0 6/5/2013 11:35:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 6/5/2013 11:35:00 PM

Iron < 0.05 0.05 mg/L 1 0 6/5/2013 11:35:00 PM

Lead 0.02 0.02 mg/L 1 0.1 6/5/2013 11:35:00 PM

Manganese 0.51 0.01 mg/L 1 0 6/5/2013 11:35:00 PM

Nickel < 0.01 0.01 mg/L 1 0 6/5/2013 11:35:00 PM

Selenium 0.10 0.02 mg/L 1 3.4 6/5/2013 11:35:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 6/5/2013 11:35:00 PM

Zinc < 0.01 0.01 mg/L 1 0 6/5/2013 11:35:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 6/11/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.01 15 6/6/2013 8:36:00 AM

I.D. 56-00306 PA DEP

Page 3 of 5
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 6/3/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1306056

Lab ID: G1306056-002

DF

Geochemical Testing Date: 14-Jun-13

Received Date: 6/3/2013 5:12:18 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 38900 100 mg/L 5 0 6/4/2013 2:21:19 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 17100 100 mg/L 20 0 6/4/2013 2:22:02 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 3 3 mg/L 3 0 6/5/2013 6:35:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15000 1000 mg/L 200 6/4/2013 10:42:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/6/2013 12:13:00 AM

Selenium, dissolved 0.27 0.02 mg/L 1 0 6/6/2013 12:13:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.750 0.100 mg/L 500 0 6/6/2013 9:58:06 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 357 1.0 mg/L 1 0 6/11/2013 6:46:21 PM

Arsenic 2.08 0.20 mg/L 1 0 6/11/2013 6:46:21 PM

Beryllium 0.029 0.010 mg/L 1 0 6/11/2013 6:46:21 PM

Boron 483 5.00 mg/L 10 0 6/12/2013 12:13:59 PM

Cadmium 0.043 0.020 mg/L 1 0 6/11/2013 6:46:21 PM

Chromium 2.22 0.10 mg/L 1 0 6/11/2013 6:46:21 PM

Copper 1.64 0.10 mg/L 1 0 6/11/2013 6:46:21 PM

Iron 846 0.50 mg/L 1 0 6/11/2013 6:46:21 PM

Lead 0.78 0.20 mg/L 1 0 6/11/2013 6:46:21 PM

Manganese 85.3 0.10 mg/L 1 0 6/11/2013 6:46:21 PM

Nickel 2.48 0.10 mg/L 1 0 6/11/2013 6:46:21 PM

Selenium 5.60 0.20 mg/L 1 0 6/12/2013 12:16:33 PM

Silver < 0.050 0.050 mg/L 1 0 6/11/2013 6:46:21 PM

Zinc 4.07 0.10 mg/L 1 0 6/11/2013 6:46:21 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.22 0.02 mg/L 1 0 6/13/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 18 18 mg/L 3.57 0 6/6/2013 8:38:00 AM

I.D. 56-00306 PA DEP

Page 4 of 5
Project: Keystone 611 M(a)

Client Sample ID: Plum Creek

Collection Date: 6/3/2013 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1306056

Lab ID: G1306056-003

DF

Geochemical Testing Date: 14-Jun-13

Received Date: 6/3/2013 5:12:18 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON METALS SM 4500-CO2D Analyst: MBG

Bicarbonate 38 5 mg/L CaCO3 1 0 6/4/2013 7:00:00 PM

INORGANIC NON-METALS SM 4500-CO2 Analyst: MBG

Carbonate < 5 5 mg/L CaCO3 1 0 6/4/2013 7:00:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 142 20 mg/L 1 0 6/4/2013 2:21:19 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 0 6/4/2013 2:22:02 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 38 5 mg/L CaCO3 1 0 6/4/2013 7:00:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.27 0.05 mg/L as N 1 0 6/3/2013 7:42:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 6/3/2013 7:42:00 PM

Nitrate - Nitrite 0.27 0.05 mg/L as N 1 0 6/3/2013 7:42:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 9 1 mg/L 1 0 6/3/2013 7:42:00 PM

Fluoride < 0.1 0.1 mg/L 1 0 6/3/2013 7:42:00 PM

Sulfate 48 2 mg/L 1 0 6/3/2013 7:42:00 PM

INORGANIC NON-METALS EPA 350.1 Analyst: SLY

Ammonia Nitrogen - Distilled 0.18 0.10 mg/L as N 1 0 6/4/2013 12:53:16 PM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: MLR

Silica, total 3.3 0.20 mg/L 1 0 6/4/2013 11:50:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Barium 0.04 0.01 mg/L 1 0 6/5/2013 11:21:00 PM

Boron < 0.05 0.05 mg/L 1 0 6/6/2013 12:04:51 PM

Calcium 18.9 0.1 mg/L 1 0 6/5/2013 11:21:00 PM

Iron 0.25 0.05 mg/L 1 0 6/5/2013 11:21:00 PM

Magnesium 5.6 0.1 mg/L 1 0 6/5/2013 11:21:00 PM

Manganese 0.06 0.01 mg/L 1 0 6/5/2013 11:21:00 PM

Potassium 1.4 0.5 mg/L 1 0 6/5/2013 11:21:00 PM

Sodium 16.8 0.2 mg/L 1 0 6/5/2013 11:21:00 PM

Strontium 0.20 0.01 mg/L 1 0 6/5/2013 11:21:00 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: MTM

Total Organic Carbon 2.2 0.5 mg/L 1 0 6/6/2013 4:19:00 PM

I.D. 56-00306 PA DEP

Page 5 of 5
Friday, June 21, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1306377

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 6/10/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 21-Jun-13 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1306377

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 6/10/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1306377

Lab ID: G1306377-001

DF

Geochemical Testing Date: 21-Jun-13

Received Date: 6/10/2013 4:42:22 PM

Laboratory Results

Sampled By: Water Lab

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3 1 mg/L 1 10 6/11/2013 2:48:48 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24900 100 mg/L 5 0 6/11/2013 2:48:28 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 2 2 mg/L 1.5 25 6/12/2013 6:35:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 13500 1000 mg/L 200 6/12/2013 11:19:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/12/2013 1:35:20 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 6/12/2013 1:35:20 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 6/11/2013 12:30:34 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 6/12/2013 1:32:46 PM

Arsenic < 0.02 0.02 mg/L 1 0 6/12/2013 1:32:46 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 6/12/2013 1:32:46 PM

Boron 277 2.50 mg/L 50 0 6/13/2013 1:19:52 PM

Cadmium < 0.002 0.002 mg/L 1 0 6/12/2013 1:32:46 PM

Chromium < 0.01 0.01 mg/L 1 0 6/12/2013 1:32:46 PM

Copper < 0.01 0.01 mg/L 1 0.1 6/12/2013 1:32:46 PM

Iron < 0.05 0.05 mg/L 1 0 6/12/2013 1:32:46 PM

Lead < 0.02 0.02 mg/L 1 0.1 6/12/2013 1:32:46 PM

Manganese 2.42 0.01 mg/L 1 0 6/12/2013 1:32:46 PM

Nickel < 0.01 0.01 mg/L 1 0 6/12/2013 1:32:46 PM

Selenium 0.10 0.02 mg/L 1 3.4 6/12/2013 1:32:46 PM

Silver < 0.005 0.005 mg/L 1 0.1 6/12/2013 1:32:46 PM

Zinc < 0.01 0.01 mg/L 1 0 6/12/2013 1:32:46 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 6/13/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 6/12/2013 5:31:00 PM

NOTES:

S - Spike recovery indicates a possible matrix effect. The method is in control as indicated by the LCS.

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 6/10/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1306377

Lab ID: G1306377-002

DF

Geochemical Testing Date: 21-Jun-13

Received Date: 6/10/2013 4:42:22 PM

Laboratory Results

Sampled By: Water Lab

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 28400 100 mg/L 5 0 6/11/2013 2:48:28 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2900 100 mg/L 20 0 6/11/2013 2:48:49 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 3 3 mg/L 3 0 6/12/2013 6:35:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 16800 1000 mg/L 200 6/12/2013 11:19:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/12/2013 1:37:54 PM

Selenium, dissolved 0.21 0.02 mg/L 1 0 6/12/2013 1:37:54 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.278 0.100 mg/L 500 0 6/11/2013 12:32:11 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 101 1.0 mg/L 1 0 6/13/2013 11:50:08 PM

Arsenic 0.58 0.20 mg/L 1 0 6/13/2013 11:50:08 PM

Beryllium < 0.010 0.010 mg/L 1 0 6/13/2013 11:50:08 PM

Boron 358 12.5 mg/L 25 0 6/18/2013 2:45:18 PM

Cadmium 0.042 0.020 mg/L 1 0 6/13/2013 11:50:08 PM

Chromium 0.70 0.10 mg/L 1 0 6/13/2013 11:50:08 PM

Copper 0.79 0.10 mg/L 1 0 6/13/2013 11:50:08 PM

Iron 295 0.50 mg/L 1 0 6/18/2013 2:47:53 PM

Lead 0.22 0.20 mg/L 1 0 6/18/2013 2:47:53 PM

Manganese 91.6 0.10 mg/L 1 0 6/13/2013 11:50:08 PM

Nickel 1.79 0.10 mg/L 1 0 6/13/2013 11:50:08 PM

Selenium 2.77 0.20 mg/L 1 0 6/13/2013 11:50:08 PM

Silver < 0.050 0.050 mg/L 1 0 6/13/2013 11:50:08 PM

Zinc 1.69 0.10 mg/L 1 0 6/13/2013 11:50:08 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.70 0.02 mg/L 1 0 6/17/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 18 18 mg/L 3.57 0 6/12/2013 6:44:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, July 03, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1306A36

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 6/24/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 03-Jul-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1306A36

CASE NARRATIVE

The BOD and hexavalent chromium were received out of hold time, client approved analysis.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 6/22/2013 11:15:00 PM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1306A36

Lab ID: G1306A36-001

DF

Geochemical Testing Date: 03-Jul-13

Received Date: 6/24/2013 5:46:58 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 6 1 mg/L 1 10 6/25/2013 3:56:02 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25300 100 mg/L 5 0 6/25/2013 3:55:35 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day H 6/26/2013 6:27:00 AM < 2 2 mg/L 1.5 25

INORGANIC NON-METALS USGS I-1187-85 Analyst: SAG

Chloride 13800 1000 mg/L 200 6/25/2013 10:06:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/25/2013 4:15:33 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 6/25/2013 4:15:33 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 6/25/2013 12:43:23 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 6/25/2013 3:44:37 PM

Arsenic < 0.02 0.02 mg/L 1 0 6/25/2013 3:44:37 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 6/25/2013 3:44:37 PM

Boron 273 2.50 mg/L 50 0 6/26/2013 7:38:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 6/25/2013 3:44:37 PM

Chromium < 0.01 0.01 mg/L 1 0 6/25/2013 3:44:37 PM

Copper < 0.01 0.01 mg/L 1 0.1 6/25/2013 3:44:37 PM

Iron 0.10 0.05 mg/L 1 0 6/25/2013 3:44:37 PM

Lead < 0.02 0.02 mg/L 1 0.1 6/25/2013 3:44:37 PM

Manganese 0.44 0.01 mg/L 1 0 6/25/2013 3:44:37 PM

Nickel < 0.01 0.01 mg/L 1 0 6/25/2013 3:44:37 PM

Selenium 0.10 0.02 mg/L 1 3.4 6/25/2013 3:44:37 PM

Silver < 0.005 0.005 mg/L 1 0.1 6/25/2013 3:44:37 PM

Zinc < 0.01 0.01 mg/L 1 0 6/25/2013 3:44:37 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 7/2/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 6/27/2013 4:27:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 6/22/2013 11:00:00 PM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1306A36

Lab ID: G1306A36-002

DF

Geochemical Testing Date: 03-Jul-13

Received Date: 6/24/2013 5:46:58 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25800 100 mg/L 5 0 6/25/2013 3:55:35 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 867 5 mg/L 1 0 6/25/2013 3:56:01 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day H 6/26/2013 6:27:00 AM 4 3 mg/L 3 0

INORGANIC METALS USGS I-1230-85 Analyst: CLS

Hexavalent Chromium H 6/24/2013 6:33:00 PM < 0.020 0.020 mg/L 1 0

INORGANIC NON-METALS USGS I-1187-85 Analyst: SAG

Chloride 19200 2500 mg/L 500 6/25/2013 10:06:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/25/2013 4:18:08 PM

Selenium, dissolved 0.43 0.02 mg/L 1 0 6/25/2013 4:18:08 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.780 0.100 mg/L 500 0 6/25/2013 12:45:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 487 1.0 mg/L 1 0 6/25/2013 5:12:24 PM

Arsenic 2.89 0.20 mg/L 1 0 6/25/2013 5:12:24 PM

Beryllium 0.061 0.010 mg/L 1 0 6/25/2013 5:12:24 PM

Boron 460 5.00 mg/L 10 0 6/26/2013 9:52:00 PM

Cadmium 0.046 0.020 mg/L 1 0 6/25/2013 5:12:24 PM

Chromium 3.15 0.10 mg/L 1 0 6/25/2013 5:12:24 PM

Copper 2.13 0.10 mg/L 1 0 6/25/2013 5:12:24 PM

Iron 1150 0.50 mg/L 1 0 6/25/2013 5:12:24 PM

Lead 0.87 0.20 mg/L 1 0 6/25/2013 5:12:24 PM

Manganese 118 0.10 mg/L 1 0 6/25/2013 5:12:24 PM

Nickel 3.46 0.10 mg/L 1 0 6/25/2013 5:12:24 PM

Selenium 6.56 0.20 mg/L 1 0 6/25/2013 5:12:24 PM

Silver < 0.050 0.050 mg/L 1 0 6/25/2013 5:12:24 PM

Zinc 5.91 0.10 mg/L 1 0 6/25/2013 5:12:24 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 3.14 0.02 mg/L 1 0 7/2/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 24 24 mg/L 4.76 0 6/27/2013 4:27:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, July 09, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1306B79

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 6/26/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 09-Jul-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1306B79

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 6/26/2013 12:45:00 PM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1306B79

Lab ID: G1306B79-001

DF

Geochemical Testing Date: 09-Jul-13

Received Date: 6/26/2013 6:30:07 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5 1 mg/L 1 10 6/27/2013 2:02:15 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23800 100 mg/L 5 0 6/27/2013 2:01:52 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 6/27/2013 8:17:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 13700 1000 mg/L 200 6/27/2013 12:52:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/27/2013 8:37:05 PM

Selenium, dissolved 0.09 0.02 mg/L 1 0 6/27/2013 8:37:05 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 6/28/2013 9:06:34 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 6/27/2013 8:29:21 PM

Arsenic < 0.02 0.02 mg/L 1 0 6/27/2013 8:29:21 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 6/27/2013 8:29:21 PM

Boron 275 2.50 mg/L 50 0 6/28/2013 12:44:06 PM

Cadmium < 0.002 0.002 mg/L 1 0 6/27/2013 8:29:21 PM

Chromium < 0.01 0.01 mg/L 1 0 6/27/2013 8:29:21 PM

Copper < 0.01 0.01 mg/L 1 0.1 6/27/2013 8:29:21 PM

Iron < 0.05 0.05 mg/L 1 0 6/27/2013 8:29:21 PM

Lead < 0.02 0.02 mg/L 1 0.1 6/27/2013 8:29:21 PM

Manganese 0.43 0.01 mg/L 1 0 6/27/2013 8:29:21 PM

Nickel < 0.01 0.01 mg/L 1 0 6/27/2013 8:29:21 PM

Selenium 0.09 0.02 mg/L 1 3.4 6/27/2013 8:29:21 PM

Silver < 0.005 0.005 mg/L 1 0.1 6/27/2013 8:29:21 PM

Zinc < 0.01 0.01 mg/L 1 0 6/27/2013 8:29:21 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 7/2/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 7/1/2013 6:57:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 6/26/2013 12:30:00 PM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1306B79

Lab ID: G1306B79-002

DF

Geochemical Testing Date: 09-Jul-13

Received Date: 6/26/2013 6:30:07 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 35600 100 mg/L 5 0 6/27/2013 2:01:52 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1830 100 mg/L 20 0 6/27/2013 2:02:21 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 2 2 mg/L 1.5 0 6/27/2013 8:17:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: MLR

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 6/26/2013 6:56:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 20400 2500 mg/L 500 6/27/2013 12:52:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 6/27/2013 8:47:27 PM

Selenium, dissolved 0.32 0.02 mg/L 1 0 6/27/2013 8:47:27 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.178 0.100 mg/L 500 0 6/28/2013 9:08:12 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 82.8 1.0 mg/L 1 0 7/2/2013 2:27:02 PM

Arsenic 0.48 0.20 mg/L 1 0 7/2/2013 2:27:02 PM

Beryllium < 0.010 0.010 mg/L 1 0 7/2/2013 2:27:02 PM

Boron 449 5.00 mg/L 10 0 7/5/2013 11:42:40 AM

Cadmium 0.052 0.020 mg/L 1 0 7/2/2013 2:27:02 PM

Chromium 0.55 0.10 mg/L 1 0 7/2/2013 2:27:02 PM

Copper 0.64 0.10 mg/L 1 0 7/2/2013 2:27:02 PM

Iron 234 0.50 mg/L 1 0 7/2/2013 2:27:02 PM

Lead 0.20 0.20 mg/L 1 0 7/2/2013 2:27:02 PM

Manganese 109 0.10 mg/L 1 0 7/2/2013 2:27:02 PM

Nickel 1.93 0.10 mg/L 1 0 7/2/2013 2:27:02 PM

Selenium 1.96 0.20 mg/L 1 0 7/2/2013 2:27:02 PM

Silver < 0.050 0.050 mg/L 1 0 7/2/2013 2:27:02 PM

Zinc 1.60 0.10 mg/L 1 0 7/2/2013 2:27:02 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.55 0.02 mg/L 1 0 7/8/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 0 7/1/2013 5:41:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Page 1 of 6

Monday, July 15, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1307066

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 4 sample(s) on 7/1/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Tim othy W .Bergstresser

DirectorofTechnicalServices
Page 2 of 6

Geochemical Testin Date: 15-Jul-13 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1307066

CASE NARRATIVE

REVISED REPORT: BOD value changed for G1307066-001.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit
Page 3 of 6

Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 7/1/2013 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307066

Lab ID: G1307066-001

DF

Geochemical Testing Date: 15-Jul-13

Received Date: 7/1/2013 5:17:28 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2 1 mg/L 1 10 7/2/2013 10:15:04 AM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 29000 20 mg/L 1 0 7/2/2013 10:14:24 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 7/3/2013 5:52:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 13000 1000 mg/L 200 7/2/2013 12:01:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/3/2013 4:28:00 PM

Selenium, dissolved 0.14 0.02 mg/L 1 0 7/3/2013 4:28:00 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.0002 0.0002 mg/L 1 0.004 7/2/2013 3:00:40 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 7/3/2013 4:24:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 7/3/2013 4:24:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 7/3/2013 4:24:00 PM

Boron 271 2.50 mg/L 50 0 7/5/2013 12:46:50 PM

Cadmium < 0.002 0.002 mg/L 1 0 7/3/2013 4:24:00 PM

Chromium < 0.01 0.01 mg/L 1 0 7/3/2013 4:24:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 7/3/2013 4:24:00 PM

Iron < 0.05 0.05 mg/L 1 0 7/3/2013 4:24:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 7/3/2013 4:24:00 PM

Manganese < 0.01 0.01 mg/L 1 0 7/3/2013 4:24:00 PM

Nickel < 0.01 0.01 mg/L 1 0 7/3/2013 4:24:00 PM

Selenium 0.15 0.02 mg/L 1 3.4 7/3/2013 4:24:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 7/3/2013 4:24:00 PM

Zinc < 0.01 0.01 mg/L 1 0 7/3/2013 4:24:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 7/8/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.03 15 7/2/2013 6:51:00 PM

I.D. 56-00306 PA DEP
Page 4 of 6

Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 7/1/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307066

Lab ID: G1307066-002

DF

Geochemical Testing Date: 15-Jul-13

Received Date: 7/1/2013 5:17:28 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 33100 100 mg/L 5 0 7/2/2013 10:14:26 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 14600 100 mg/L 20 0 7/2/2013 10:15:03 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 18 3 mg/L 3 0 7/3/2013 5:52:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 17900 1000 mg/L 200 7/2/2013 12:01:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/3/2013 5:17:00 PM

Selenium, dissolved 0.34 0.02 mg/L 1 0 7/3/2013 5:17:00 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury 0.925 0.100 mg/L 500 0 7/2/2013 3:02:18 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 456 1.0 mg/L 1 0 7/9/2013 5:26:58 PM

Arsenic 2.42 0.20 mg/L 1 0 7/9/2013 5:26:58 PM

Beryllium 0.051 0.010 mg/L 1 0 7/9/2013 5:26:58 PM

Boron 424 5.00 mg/L 10 0 7/10/2013 12:54:00 PM

Cadmium 0.031 0.020 mg/L 1 0 7/9/2013 5:26:58 PM

Chromium 2.44 0.10 mg/L 1 0 7/9/2013 5:26:58 PM

Copper 2.14 0.10 mg/L 1 0 7/9/2013 5:26:58 PM

Iron 1010 0.50 mg/L 1 0 7/9/2013 5:26:58 PM

Lead 0.83 0.20 mg/L 1 0 7/9/2013 5:26:58 PM

Manganese 105 0.10 mg/L 1 0 7/9/2013 5:26:58 PM

Nickel 3.08 0.10 mg/L 1 0 7/9/2013 5:26:58 PM

Selenium 6.28 0.20 mg/L 1 0 7/9/2013 5:26:58 PM

Silver < 0.050 0.050 mg/L 1 0 7/9/2013 5:26:58 PM

Zinc 5.11 0.10 mg/L 1 0 7/9/2013 5:26:58 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.44 0.02 mg/L 1 0 7/10/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 18 18 mg/L 3.57 0 7/2/2013 6:51:00 PM

I.D. 56-00306 PA DEP
Page 5 of 6

Project: Keystone 611 M(a)

Client Sample ID: Plum Creek

Collection Date: 7/1/2013 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307066

Lab ID: G1307066-003

DF

Geochemical Testing Date: 15-Jul-13

Received Date: 7/1/2013 5:17:28 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON METALS SM 4500-CO2D Analyst: MBG

Bicarbonate 55 5 mg/L CaCO3 1 0 7/2/2013 6:12:00 PM

INORGANIC NON-METALS SM 4500-CO2 Analyst: MBG

Carbonate < 5 5 mg/L CaCO3 1 0 7/2/2013 6:12:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 164 20 mg/L 1 0 7/2/2013 10:14:24 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 24 5 mg/L 1 0 7/2/2013 10:15:02 AM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 55 5 mg/L CaCO3 1 0 7/2/2013 6:12:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 1.21 0.05 mg/L as N 1 0 7/2/2013 12:24:00 AM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 7/2/2013 12:24:00 AM

Nitrate - Nitrite 1.21 0.05 mg/L as N 1 0 7/2/2013 12:24:00 AM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 6 1 mg/L 1 0 7/2/2013 12:24:00 AM

Fluoride < 0.1 0.1 mg/L 1 0 7/2/2013 12:24:00 AM

Sulfate 24 2 mg/L 1 0 7/2/2013 12:24:00 AM

INORGANIC NON-METALS EPA 350.1 Analyst: SLY

Ammonia Nitrogen - Distilled 0.13 0.10 mg/L as N 1 0 7/3/2013 10:43:11 AM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: MLR

Silica, total 6.7 0.20 mg/L 1 0 7/2/2013 4:48:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Barium 0.04 0.01 mg/L 1 0 7/5/2013 1:56:19 PM

Boron < 0.05 0.05 mg/L 1 0 7/5/2013 1:56:19 PM

Calcium 15.9 0.1 mg/L 1 0 7/5/2013 1:56:19 PM

Iron 1.39 0.05 mg/L 1 0 7/5/2013 1:56:19 PM

Magnesium 4.6 0.1 mg/L 1 0 7/5/2013 1:56:19 PM

Manganese 0.12 0.01 mg/L 1 0 7/5/2013 1:56:19 PM

Potassium 1.7 0.5 mg/L 1 0 7/5/2013 1:56:19 PM

Sodium 7.4 0.2 mg/L 1 0 7/5/2013 1:56:19 PM

Strontium 0.09 0.01 mg/L 1 0 7/5/2013 1:56:19 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: MTM

Total Organic Carbon 2.4 0.5 mg/L 1 0 7/4/2013 5:27:00 AM

I.D. 56-00306 PA DEP
Page 6 of 6

Project: Keystone 611 M(a)

Client Sample ID: Crooked Creek

Collection Date: 7/1/2013 8:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307066

Lab ID: G1307066-004

DF

Geochemical Testing Date: 15-Jul-13

Received Date: 7/1/2013 5:17:28 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 110 20 mg/L 1 0 7/2/2013 10:14:23 AM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 58 5 mg/L 1 7/2/2013 10:15:02 AM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 37 5 mg/L CaCO3 1 0 7/2/2013 11:21:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 1.19 0.05 mg/L as N 1 0 7/2/2013 1:15:00 AM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 7/2/2013 1:15:00 AM

Nitrate - Nitrite 1.19 0.05 mg/L as N 1 0 7/2/2013 1:15:00 AM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 10 1 mg/L 1 0 7/2/2013 1:15:00 AM

Sulfate 30 2 mg/L 1 0 7/2/2013 1:15:00 AM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: MLR

Silica, total 6.9 0.20 mg/L 1 0 7/2/2013 4:48:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Calcium 18.4 0.1 mg/L 1 0 7/5/2013 1:58:51 PM

Iron 6.29 0.05 mg/L 1 0 7/5/2013 1:58:51 PM

Magnesium 5.3 0.1 mg/L 1 0 7/5/2013 1:58:51 PM

Manganese 0.67 0.01 mg/L 1 0 7/5/2013 1:58:51 PM

Potassium 2.1 0.5 mg/L 1 0 7/5/2013 1:58:51 PM

Sodium 10.0 0.2 mg/L 1 0 7/5/2013 1:58:51 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: MTM

Total Organic Carbon 2.6 0.5 mg/L 1 0 7/4/2013 5:45:00 AM

I.D. 56-00306 PA DEP
Wednesday, July 17, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(a)

Order No.: G1307318

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 7/8/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 17-Jul-13 g

Project: Keystone 611 Q(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1307318

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 Q(a)

Client Sample ID: Outfall 101

Collection Date: 7/8/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307318

Lab ID: G1307318-001

DF

Geochemical Testing Date: 17-Jul-13

Received Date: 7/8/2013 5:03:04 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1 1 mg/L 1 10 7/9/2013 3:12:09 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27400 20 mg/L 1 0 7/9/2013 3:11:44 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 6 6 mg/L 6 25 7/10/2013 6:02:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 16000 1000 mg/L 200 7/9/2013 11:16:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/9/2013 6:58:40 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 7/9/2013 6:58:40 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 7/10/2013 10:08:17 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 7/9/2013 7:34:15 PM

Arsenic < 0.02 0.02 mg/L 1 0 7/9/2013 7:34:15 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 7/9/2013 7:34:15 PM

Boron 254 2.50 mg/L 50 0 7/10/2013 1:16:00 PM

Cadmium < 0.002 0.002 mg/L 1 0 7/9/2013 7:34:15 PM

Chromium < 0.01 0.01 mg/L 1 0 7/9/2013 7:34:15 PM

Copper < 0.01 0.01 mg/L 1 0.1 7/9/2013 7:34:15 PM

Iron < 0.05 0.05 mg/L 1 0 7/9/2013 7:34:15 PM

Lead < 0.02 0.02 mg/L 1 0.1 7/9/2013 7:34:15 PM

Manganese 0.02 0.01 mg/L 1 0 7/9/2013 7:34:15 PM

Nickel < 0.01 0.01 mg/L 1 0 7/9/2013 7:34:15 PM

Selenium 0.09 0.02 mg/L 1 3.4 7/9/2013 7:34:15 PM

Silver < 0.005 0.005 mg/L 1 0.1 7/9/2013 7:34:15 PM

Zinc < 0.01 0.01 mg/L 1 0 7/9/2013 7:34:15 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 7/16/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease S 7/10/2013 5:01:00 PM < 5 5 mg/L 1 15

NOTES:

S - Spike recovery indicates a possible matrix effect. The method is in control as indicated by the LCS.

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 Q(a)

Client Sample ID: FGD Influent

Collection Date: 7/8/2013 8:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307318

Lab ID: G1307318-002

DF

Geochemical Testing Date: 17-Jul-13

Received Date: 7/8/2013 5:03:04 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 33300 100 mg/L 5 0 7/9/2013 3:11:44 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 8450 100 mg/L 20 0 7/9/2013 3:12:13 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 4 3 mg/L 3 0 7/10/2013 6:02:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 17500 1000 mg/L 200 7/9/2013 11:16:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/9/2013 7:01:14 PM

Selenium, dissolved 0.18 0.02 mg/L 1 0 7/9/2013 7:01:14 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.770 0.100 mg/L 500 0 7/10/2013 10:13:14 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 305 1.0 mg/L 1 0 7/9/2013 5:32:07 PM

Arsenic 1.58 0.20 mg/L 1 0 7/9/2013 5:32:07 PM

Beryllium 0.031 0.010 mg/L 1 0 7/9/2013 5:32:07 PM

Boron 396 5.00 mg/L 10 0 7/10/2013 12:57:00 PM

Cadmium 0.033 0.020 mg/L 1 0 7/9/2013 5:32:07 PM

Chromium 1.60 0.10 mg/L 1 0 7/9/2013 5:32:07 PM

Copper 1.50 0.10 mg/L 1 0 7/9/2013 5:32:07 PM

Iron 685 0.50 mg/L 1 0 7/9/2013 5:32:07 PM

Lead 0.51 0.20 mg/L 1 0 7/9/2013 5:32:07 PM

Manganese 97.5 0.10 mg/L 1 0 7/9/2013 5:32:07 PM

Nickel 2.53 0.10 mg/L 1 0 7/9/2013 5:32:07 PM

Selenium 5.24 0.20 mg/L 1 0 7/9/2013 5:32:07 PM

Silver < 0.050 0.050 mg/L 1 0 7/9/2013 5:32:07 PM

Zinc 3.83 0.10 mg/L 1 0 7/9/2013 5:32:07 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.60 0.02 mg/L 1 0 7/16/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 23 23 mg/L 4.55 0 7/10/2013 5:01:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, July 24, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1307664

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 7/15/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 24-Jul-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1307664

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 7/15/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307664

Lab ID: G1307664-001

DF

Geochemical Testing Date: 24-Jul-13

Received Date: 7/15/2013 5:32:03 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 1 1 mg/L 1 10 7/16/2013 2:08:31 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26200 20 mg/L 1 0 7/16/2013 2:07:48 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 7/17/2013 5:40:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 16500 1000 mg/L 200 7/16/2013 1:44:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/18/2013 8:27:51 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 7/18/2013 8:27:51 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 7/18/2013 8:21:58 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 7/18/2013 8:25:15 PM

Arsenic < 0.02 0.02 mg/L 1 0 7/18/2013 8:25:15 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 7/18/2013 8:25:15 PM

Boron 261 2.50 mg/L 50 0 7/19/2013 5:19:13 PM

Cadmium < 0.002 0.002 mg/L 1 0 7/18/2013 8:25:15 PM

Chromium < 0.01 0.01 mg/L 1 0 7/18/2013 8:25:15 PM

Copper < 0.01 0.01 mg/L 1 0.1 7/18/2013 8:25:15 PM

Iron < 0.05 0.05 mg/L 1 0 7/18/2013 8:25:15 PM

Lead < 0.02 0.02 mg/L 1 0.1 7/23/2013 2:53:00 PM

Manganese 0.11 0.01 mg/L 1 0 7/18/2013 8:25:15 PM

Nickel < 0.01 0.01 mg/L 1 0 7/18/2013 8:25:15 PM

Selenium 0.11 0.02 mg/L 1 3.4 7/18/2013 8:25:15 PM

Silver < 0.005 0.005 mg/L 1 0.1 7/18/2013 8:25:15 PM

Zinc < 0.01 0.01 mg/L 1 0 7/18/2013 8:25:15 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 7/23/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.02 15 7/18/2013 1:49:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 7/15/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307664

Lab ID: G1307664-002

DF

Geochemical Testing Date: 24-Jul-13

Received Date: 7/15/2013 5:32:03 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 32300 100 mg/L 5 0 7/16/2013 2:07:48 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 9950 100 mg/L 20 0 7/16/2013 2:08:31 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 3 3 mg/L 3 0 7/17/2013 5:40:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: SEF

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 7/15/2013 6:32:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 19000 1000 mg/L 200 7/16/2013 1:44:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/18/2013 8:38:16 PM

Selenium, dissolved 0.32 0.02 mg/L 1 0 7/18/2013 8:38:16 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.790 0.100 mg/L 500 0 7/18/2013 8:23:35 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 264 1.0 mg/L 1 0 7/18/2013 1:12:55 PM

Arsenic 1.99 0.20 mg/L 1 0 7/18/2013 1:12:55 PM

Beryllium 0.030 0.010 mg/L 1 0 7/18/2013 1:12:55 PM

Boron 403 5.00 mg/L 10 0 7/19/2013 1:27:08 PM

Cadmium < 0.020 0.020 mg/L 1 0 7/18/2013 1:12:55 PM

Chromium 1.87 0.10 mg/L 1 0 7/18/2013 1:12:55 PM

Copper 1.73 0.10 mg/L 1 0 7/18/2013 1:12:55 PM

Iron 607 0.50 mg/L 1 0 7/19/2013 5:01:03 PM

Lead 0.61 0.20 mg/L 1 0 7/18/2013 1:12:55 PM

Manganese 94.5 0.10 mg/L 1 0 7/18/2013 1:12:55 PM

Nickel 2.55 0.10 mg/L 1 0 7/18/2013 1:12:55 PM

Selenium 5.45 0.20 mg/L 1 0 7/19/2013 5:01:03 PM

Silver < 0.050 0.050 mg/L 1 0 7/18/2013 1:12:55 PM

Zinc 3.92 0.10 mg/L 1 0 7/18/2013 1:12:55 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.87 0.02 mg/L 1 0 7/23/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 24 24 mg/L 4.76 0 7/18/2013 1:52:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, August 02, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1307A03

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 7/22/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 02-Aug-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1307A03

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 7/22/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307A03

Lab ID: G1307A03-001

DF

Geochemical Testing Date: 02-Aug-13

Received Date: 7/22/2013 6:17:37 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 7 1 mg/L 1 10 7/23/2013 2:51:20 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27200 20 mg/L 1 0 7/23/2013 8:16:43 AM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 7/24/2013 6:18:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 16500 1000 mg/L 200 7/23/2013 10:10:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/25/2013 4:09:00 PM

Selenium, dissolved 0.14 0.02 mg/L 1 0 7/25/2013 4:09:00 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.0002 0.0002 mg/L 1 0.004 7/25/2013 10:54:31 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 7/25/2013 4:05:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 7/25/2013 4:05:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 7/25/2013 4:05:00 PM

Boron 279 2.50 mg/L 50 0 7/26/2013 5:40:53 PM

Cadmium < 0.002 0.002 mg/L 1 0 7/25/2013 4:05:00 PM

Chromium 0.01 0.01 mg/L 1 0 7/25/2013 4:05:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 7/25/2013 4:05:00 PM

Iron < 0.05 0.05 mg/L 1 0 7/25/2013 4:05:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 7/25/2013 4:05:00 PM

Manganese < 0.01 0.01 mg/L 1 0 7/25/2013 4:05:00 PM

Nickel 0.01 0.01 mg/L 1 0 7/25/2013 4:05:00 PM

Selenium 0.13 0.02 mg/L 1 3.4 7/25/2013 4:05:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 7/25/2013 4:05:00 PM

Zinc < 0.01 0.01 mg/L 1 0 7/25/2013 4:05:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 7/29/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 7/23/2013 2:54:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 7/22/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307A03

Lab ID: G1307A03-002

DF

Geochemical Testing Date: 02-Aug-13

Received Date: 7/22/2013 6:17:37 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 35100 100 mg/L 5 0 7/23/2013 2:50:45 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2210 100 mg/L 20 0 7/23/2013 2:51:19 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 0 7/24/2013 6:18:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: MLR

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 7/22/2013 6:59:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 18200 1000 mg/L 200 7/23/2013 10:10:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 7/25/2013 4:20:00 PM

Selenium, dissolved 0.42 0.02 mg/L 1 0 7/25/2013 4:20:00 PM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury 0.310 0.100 mg/L 500 0 7/25/2013 11:18:57 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 94.3 1.0 mg/L 1 0 7/31/2013 11:42:00 PM

Arsenic 0.79 0.20 mg/L 1 0 7/31/2013 12:03:00 AM

Beryllium 0.015 0.010 mg/L 1 0 7/31/2013 12:03:00 AM

Boron 415 5.00 mg/L 10 0 7/30/2013 1:16:18 PM

Cadmium 0.029 0.020 mg/L 1 0 7/31/2013 12:03:00 AM

Chromium 1.37 0.10 mg/L 1 0 7/31/2013 12:03:00 AM

Copper 0.69 0.10 mg/L 1 0 7/31/2013 12:03:00 AM

Iron 254 0.50 mg/L 1 0 7/31/2013 12:03:00 AM

Lead 0.26 0.20 mg/L 1 0 7/31/2013 12:03:00 AM

Manganese 83.5 0.10 mg/L 1 0 7/31/2013 12:03:00 AM

Nickel 5.30 0.10 mg/L 1 0 7/31/2013 12:03:00 AM

Selenium 2.74 0.20 mg/L 1 0 7/31/2013 12:03:00 AM

Silver < 0.050 0.050 mg/L 1 0 7/31/2013 12:03:00 AM

Zinc 2.38 0.10 mg/L 1 0 7/31/2013 12:03:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: SUB

Trivalent Chromium 1.37 0.02 mg/L 1 0 7/31/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 18 18 mg/L 3.57 0 7/23/2013 2:56:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, August 06, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1307C92

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 7/29/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 06-Aug-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1307C92

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 7/29/2013 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307C92

Lab ID: G1307C92-001

DF

Geochemical Testing Date: 06-Aug-13

Received Date: 7/29/2013 5:58:58 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 8 1 mg/L 1 10 7/30/2013 2:56:22 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25400 20 mg/L 1 0 7/30/2013 3:01:45 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 7/31/2013 6:15:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15700 1000 mg/L 200 7/31/2013 10:36:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/1/2013 12:55:00 AM

Selenium, dissolved 0.13 0.02 mg/L 1 0 8/1/2013 12:55:00 AM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury < 0.0002 0.0002 mg/L 1 0.004 7/31/2013 1:34:06 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 8/1/2013 12:51:00 AM

Arsenic < 0.02 0.02 mg/L 1 0 8/1/2013 8:24:10 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 8/1/2013 12:51:00 AM

Boron 305 5.00 mg/L 100 0 8/1/2013 1:12:42 PM

Cadmium < 0.002 0.002 mg/L 1 0 8/1/2013 8:24:10 PM

Chromium 0.01 0.01 mg/L 1 0 8/1/2013 12:51:00 AM

Copper < 0.01 0.01 mg/L 1 0.1 8/1/2013 12:51:00 AM

Iron < 0.05 0.05 mg/L 1 0 8/1/2013 12:51:00 AM

Lead < 0.02 0.02 mg/L 1 0.1 8/1/2013 8:24:10 PM

Manganese 0.21 0.01 mg/L 1 0 8/1/2013 12:51:00 AM

Nickel 0.01 0.01 mg/L 1 0 8/1/2013 12:51:00 AM

Selenium 0.14 0.02 mg/L 1 3.4 8/1/2013 12:51:00 AM

Silver < 0.005 0.005 mg/L 1 0.1 8/1/2013 12:51:00 AM

Zinc < 0.01 0.01 mg/L 1 0 8/1/2013 12:51:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 8/1/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.02 15 7/31/2013 4:17:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 7/29/2013 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1307C92

Lab ID: G1307C92-002

DF

Geochemical Testing Date: 06-Aug-13

Received Date: 7/29/2013 5:58:58 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27500 100 mg/L 5 0 7/30/2013 3:01:45 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 10000 100 mg/L 20 0 7/30/2013 2:56:23 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 4 3 mg/L 3 0 7/31/2013 6:15:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: SAG

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 7/29/2013 6:42:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 19000 1000 mg/L 200 7/31/2013 10:36:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/1/2013 1:03:00 AM

Selenium, dissolved 0.29 0.02 mg/L 1 0 8/1/2013 1:03:00 AM

INORGANIC METALS SM 3112B Analyst: MBG

Mercury 0.850 0.100 mg/L 500 0 7/31/2013 1:35:43 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 257 1.0 mg/L 1 0 7/31/2013 10:51:00 PM

Arsenic 1.84 0.20 mg/L 1 0 8/1/2013 3:01:27 PM

Beryllium 0.027 0.010 mg/L 1 0 7/31/2013 10:51:00 PM

Boron 458 5.00 mg/L 10 0 8/1/2013 1:15:16 PM

Cadmium 0.044 0.020 mg/L 1 0 8/1/2013 3:01:27 PM

Chromium 1.77 0.10 mg/L 1 0 7/31/2013 10:51:00 PM

Copper 1.29 0.10 mg/L 1 0 7/31/2013 10:51:00 PM

Iron 652 0.50 mg/L 1 0 7/31/2013 10:51:00 PM

Lead 0.52 0.20 mg/L 1 0 7/31/2013 10:51:00 PM

Manganese 94.5 0.10 mg/L 1 0 7/31/2013 10:51:00 PM

Nickel 2.68 0.10 mg/L 1 0 7/31/2013 10:51:00 PM

Selenium 4.63 0.20 mg/L 1 0 7/31/2013 10:51:00 PM

Silver < 0.050 0.050 mg/L 1 0 7/31/2013 10:51:00 PM

Zinc 3.41 0.10 mg/L 1 0 7/31/2013 10:51:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.77 0.02 mg/L 1 0 8/1/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 18 18 mg/L 3.57 0 7/31/2013 4:17:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, August 14, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1308183

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 8/5/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 14-Aug-13 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1308183

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 8/5/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1308183

Lab ID: G1308183-001

DF

Geochemical Testing Date: 14-Aug-13

Received Date: 8/5/2013 5:57:14 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids < 1 1 mg/L 1 10 8/6/2013 4:00:06 PM

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 31700 20 mg/L 1 0 8/6/2013 4:00:33 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 8/7/2013 6:30:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 9980 1000 mg/L 200 8/6/2013 12:28:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/7/2013 1:45:41 PM

Selenium, dissolved 0.10 0.02 mg/L 1 0 8/7/2013 1:45:41 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 8/8/2013 10:25:16 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 8/7/2013 1:43:07 PM

Arsenic < 0.02 0.02 mg/L 1 0 8/7/2013 1:43:07 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 8/7/2013 1:43:07 PM

Boron 344 2.50 mg/L 50 0 8/8/2013 12:56:02 PM

Cadmium < 0.002 0.002 mg/L 1 0 8/7/2013 1:43:07 PM

Chromium < 0.01 0.01 mg/L 1 0 8/7/2013 1:43:07 PM

Copper 0.01 0.01 mg/L 1 0.1 8/7/2013 1:43:07 PM

Iron < 0.05 0.05 mg/L 1 0 8/7/2013 1:43:07 PM

Lead < 0.02 0.02 mg/L 1 0.1 8/7/2013 1:43:07 PM

Manganese 0.14 0.01 mg/L 1 0 8/7/2013 1:43:07 PM

Nickel < 0.01 0.01 mg/L 1 0 8/7/2013 1:43:07 PM

Selenium 0.10 0.02 mg/L 1 3.4 8/7/2013 1:43:07 PM

Silver < 0.005 0.005 mg/L 1 0.1 8/7/2013 1:43:07 PM

Zinc < 0.01 0.01 mg/L 1 0 8/7/2013 1:43:07 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 8/8/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 8/6/2013 6:42:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 8/5/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1308183

Lab ID: G1308183-002

DF

Geochemical Testing Date: 14-Aug-13

Received Date: 8/5/2013 5:57:14 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 37600 100 mg/L 5 0 8/6/2013 4:00:34 PM

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 44 5 mg/L 1 0 8/6/2013 4:00:04 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 3 2 mg/L 1.5 0 8/7/2013 6:30:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 16200 1000 mg/L 200 8/6/2013 12:28:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/7/2013 1:55:58 PM

Selenium, dissolved 0.31 0.02 mg/L 1 0 8/7/2013 1:55:58 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.100 0.100 mg/L 500 0 8/8/2013 10:26:55 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 23.6 1.0 mg/L 1 0 8/8/2013 7:49:00 PM

Arsenic 0.20 0.20 mg/L 1 0 8/8/2013 7:49:00 PM

Beryllium < 0.010 0.010 mg/L 1 0 8/8/2013 7:49:00 PM

Boron 439 5.00 mg/L 10 0 8/12/2013 1:28:39 PM

Cadmium 0.025 0.020 mg/L 1 0 8/8/2013 7:49:00 PM

Chromium 0.19 0.10 mg/L 1 0 8/8/2013 7:49:00 PM

Copper 0.13 0.10 mg/L 1 0 8/8/2013 7:49:00 PM

Iron 71.8 0.50 mg/L 1 0 8/8/2013 7:49:00 PM

Lead < 0.20 0.20 mg/L 1 0 8/8/2013 7:49:00 PM

Manganese 84.4 0.10 mg/L 1 0 8/8/2013 7:49:00 PM

Nickel 1.49 0.10 mg/L 1 0 8/8/2013 7:49:00 PM

Selenium 1.09 0.20 mg/L 1 0 8/8/2013 7:49:00 PM

Silver < 0.050 0.050 mg/L 1 0 8/8/2013 7:49:00 PM

Zinc 0.83 0.10 mg/L 1 0 8/8/2013 7:49:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.19 0.02 mg/L 1 0 8/12/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease 24 18 mg/L 3.57 0 8/7/2013 4:58:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, August 23, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1308545

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 8/12/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 23-Aug-13 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1308545

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 8/12/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1308545

Lab ID: G1308545-001

DF

Geochemical Testing Date: 23-Aug-13

Received Date: 8/12/2013 4:34:27 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 1 1 mg/L 1 10 8/13/2013 2:08:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26700 20 mg/L 1 0 8/13/2013 2:08:31 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 8/14/2013 5:44:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15300 1000 mg/L 200 8/14/2013 9:22:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/14/2013 10:59:00 PM

Selenium, dissolved 0.13 0.02 mg/L 1 0 8/14/2013 10:59:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 8/14/2013 10:53:15 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 8/14/2013 10:43:00 PM

Arsenic 0.02 0.02 mg/L 1 0 8/14/2013 10:43:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 8/14/2013 10:43:00 PM

Boron 324 2.50 mg/L 50 0 8/15/2013 1:55:30 PM

Cadmium < 0.002 0.002 mg/L 1 0 8/14/2013 10:43:00 PM

Chromium 0.01 0.01 mg/L 1 0 8/14/2013 10:43:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 8/14/2013 10:43:00 PM

Iron < 0.05 0.05 mg/L 1 0 8/14/2013 10:43:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 8/14/2013 10:43:00 PM

Manganese 0.03 0.01 mg/L 1 0 8/14/2013 10:43:00 PM

Nickel 0.01 0.01 mg/L 1 0 8/14/2013 10:43:00 PM

Selenium 0.13 0.02 mg/L 1 3.4 8/14/2013 10:43:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 8/14/2013 10:43:00 PM

Zinc < 0.01 0.01 mg/L 1 0 8/14/2013 10:43:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 8/19/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.03 15 8/14/2013 3:40:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 8/12/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1308545

Lab ID: G1308545-002

DF

Geochemical Testing Date: 23-Aug-13

Received Date: 8/12/2013 4:34:27 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27000 100 mg/L 5 0 8/13/2013 2:08:31 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 8680 100 mg/L 20 0 8/13/2013 2:08:01 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 5 3 mg/L 3 0 8/14/2013 5:44:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 17300 1000 mg/L 200 8/14/2013 9:22:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/14/2013 11:04:00 PM

Selenium, dissolved 0.38 0.02 mg/L 1 0 8/14/2013 11:04:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.625 0.100 mg/L 500 0 8/14/2013 10:58:08 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 261 1.0 mg/L 1 0 8/19/2013 4:06:45 PM

Arsenic 1.82 0.20 mg/L 1 0 8/19/2013 4:06:45 PM

Beryllium 0.029 0.010 mg/L 1 0 8/19/2013 4:06:45 PM

Boron 491 5.00 mg/L 10 0 8/20/2013 3:55:52 PM

Cadmium 0.049 0.020 mg/L 1 0 8/19/2013 4:06:45 PM

Chromium 1.81 0.10 mg/L 1 0 8/19/2013 4:06:45 PM

Copper 1.42 0.10 mg/L 1 0 8/19/2013 4:06:45 PM

Iron 638 0.50 mg/L 1 0 8/19/2013 4:06:45 PM

Lead 0.67 0.20 mg/L 1 0 8/19/2013 4:06:45 PM

Manganese 99.6 0.10 mg/L 1 0 8/19/2013 4:06:45 PM

Nickel 2.72 0.10 mg/L 1 0 8/19/2013 4:06:45 PM

Selenium 4.76 0.20 mg/L 1 0 8/19/2013 4:06:45 PM

Silver < 0.050 0.050 mg/L 1 0 8/19/2013 4:06:45 PM

Zinc 4.20 0.10 mg/L 1 0 8/19/2013 4:06:45 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.81 0.02 mg/L 1 0 8/21/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 20 20 mg/L 4 0 8/14/2013 3:43:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, August 30, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1308926

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 8/19/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 30-Aug-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1308926

CASE NARRATIVE

G1308926-001F: The original TDS analysis did not pass QA review and was reanalyzed two days out 

of hold time.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 8/19/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1308926

Lab ID: G1308926-001

DF

Geochemical Testing Date: 30-Aug-13

Received Date: 8/19/2013 5:24:31 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 6 1 mg/L 1 10 8/20/2013 2:52:41 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids H 8/28/2013 11:44:10 A 32200 100 mg/L 5 0 M

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 8/21/2013 5:38:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 14800 1000 mg/L 200 8/23/2013 12:53:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/23/2013 12:32:00 PM

Selenium, dissolved 0.20 0.02 mg/L 1 0 8/23/2013 12:32:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 8/22/2013 10:29:04 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 8/23/2013 12:28:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 8/23/2013 12:28:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 8/23/2013 12:28:00 PM

Boron 292 2.50 mg/L 50 0 8/27/2013 12:46:05 PM

Cadmium < 0.002 0.002 mg/L 1 0 8/23/2013 12:28:00 PM

Chromium 0.01 0.01 mg/L 1 0 8/23/2013 12:28:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 8/23/2013 12:28:00 PM

Iron < 0.05 0.05 mg/L 1 0 8/23/2013 12:28:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 8/23/2013 12:28:00 PM

Manganese 0.08 0.01 mg/L 1 0 8/23/2013 12:28:00 PM

Nickel 0.01 0.01 mg/L 1 0 8/23/2013 12:28:00 PM

Selenium 0.20 0.02 mg/L 1 3.4 8/23/2013 12:28:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 8/23/2013 12:28:00 PM

Zinc < 0.01 0.01 mg/L 1 0 8/23/2013 12:28:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 8/27/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 8/20/2013 6:27:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 8/19/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1308926

Lab ID: G1308926-002

DF

Geochemical Testing Date: 30-Aug-13

Received Date: 8/19/2013 5:24:31 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 34800 100 mg/L 5 0 8/20/2013 2:52:04 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 2830 100 mg/L 20 0 8/20/2013 2:52:33 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day J 8/21/2013 5:38:00 AM 4 2 mg/L 1.5 0

NOTES:

J - Estimated value. The associated QC criteria was above the Upper Control Limit.

INORGANIC METALS USGS I-1230-85 Analyst: SEF

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 8/19/2013 6:33:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 14600 1000 mg/L 200 8/23/2013 12:53:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/23/2013 12:37:00 PM

Selenium, dissolved 1.83 0.02 mg/L 1 0 8/23/2013 12:37:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.153 0.100 mg/L 500 0 8/22/2013 2:37:57 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 70.7 1.0 mg/L 1 0 8/22/2013 11:16:21 PM

Arsenic 0.43 0.20 mg/L 1 0 8/22/2013 11:16:21 PM

Beryllium < 0.010 0.010 mg/L 1 0 8/22/2013 11:16:21 PM

Boron 361 5.00 mg/L 10 0 8/27/2013 12:48:40 PM

Cadmium 0.029 0.020 mg/L 1 0 8/22/2013 11:16:21 PM

Chromium 0.46 0.10 mg/L 1 0 8/22/2013 11:16:21 PM

Copper 0.40 0.10 mg/L 1 0 8/22/2013 11:16:21 PM

Iron 142 0.50 mg/L 1 0 8/22/2013 11:16:21 PM

Lead < 0.20 0.20 mg/L 1 0 8/22/2013 11:16:21 PM

Manganese 67.2 0.10 mg/L 1 0 8/22/2013 11:16:21 PM

Nickel 1.33 0.10 mg/L 1 0 8/22/2013 11:16:21 PM

Selenium 2.37 0.20 mg/L 1 0 8/22/2013 11:16:21 PM

Silver < 0.050 0.050 mg/L 1 0 8/22/2013 11:16:21 PM

Zinc 4.49 0.10 mg/L 1 0 8/22/2013 11:16:21 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.46 0.02 mg/L 1 0 8/27/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 18 18 mg/L 3.57 0 8/20/2013 6:28:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, September 11, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1308C57

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 8/26/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 11-Sep-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1308C57

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 8/26/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1308C57

Lab ID: G1308C57-001

DF

Geochemical Testing Date: 11-Sep-13

Received Date: 8/26/2013 4:21:16 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 29800 100 mg/L 5 0 8/27/2013 2:12:19 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 11000 100 mg/L 20 0 8/27/2013 2:11:57 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: HJC

BOD 5-day 6 3 mg/L 3 0 8/28/2013 8:00:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: MLR

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 8/26/2013 5:32:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 11300 1000 mg/L 200 8/29/2013 4:01:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/30/2013 4:19:00 PM

Selenium, dissolved 0.52 0.02 mg/L 1 0 8/30/2013 4:19:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.930 0.100 mg/L 500 0 8/29/2013 10:42:26 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 252 1.0 mg/L 1 0 8/29/2013 6:19:00 AM

Arsenic 1.81 0.20 mg/L 1 0 8/29/2013 6:19:00 AM

Beryllium 0.024 0.010 mg/L 1 0 8/29/2013 6:19:00 AM

Boron 442 5.00 mg/L 10 0 8/29/2013 3:01:58 PM

Cadmium 0.025 0.020 mg/L 1 0 8/29/2013 6:19:00 AM

Chromium 2.29 0.10 mg/L 1 0 8/29/2013 6:19:00 AM

Copper 1.49 0.10 mg/L 1 0 8/29/2013 6:19:00 AM

Iron 691 0.50 mg/L 1 0 8/29/2013 6:19:00 AM

Lead 0.63 0.20 mg/L 1 0 8/29/2013 6:19:00 AM

Manganese 75.3 0.10 mg/L 1 0 8/29/2013 6:19:00 AM

Nickel 2.94 0.10 mg/L 1 0 8/29/2013 6:19:00 AM

Selenium 5.80 0.20 mg/L 1 0 8/29/2013 6:19:00 AM

Silver < 0.050 0.050 mg/L 1 0 8/29/2013 6:19:00 AM

Zinc 4.60 0.10 mg/L 1 0 8/29/2013 6:19:00 AM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.29 0.02 mg/L 1 0 9/10/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 3.7 0 8/27/2013 6:03:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 8/26/2013 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1308C57

Lab ID: G1308C57-002

DF

Geochemical Testing Date: 11-Sep-13

Received Date: 8/26/2013 4:21:16 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 1 1 mg/L 1 10 8/27/2013 2:11:59 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 22500 20 mg/L 1 0 8/27/2013 2:12:18 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: HJC

BOD 5-day < 2 2 mg/L 1.5 25 8/28/2013 8:00:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 11900 1000 mg/L 200 8/29/2013 4:01:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 8/30/2013 4:10:51 PM

Selenium, dissolved 0.06 0.02 mg/L 1 0 8/30/2013 4:10:51 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 8/29/2013 10:44:04 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 8/30/2013 4:08:16 PM

Arsenic < 0.02 0.02 mg/L 1 0 8/30/2013 4:08:16 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 8/30/2013 4:08:16 PM

Boron 271 2.50 mg/L 50 0 8/30/2013 12:41:37 PM

Cadmium < 0.002 0.002 mg/L 1 0 8/30/2013 4:08:16 PM

Chromium < 0.01 0.01 mg/L 1 0 8/30/2013 4:08:16 PM

Copper < 0.01 0.01 mg/L 1 0.1 8/30/2013 4:08:16 PM

Iron < 0.05 0.05 mg/L 1 0 8/30/2013 4:08:16 PM

Lead < 0.02 0.02 mg/L 1 0.1 8/30/2013 4:08:16 PM

Manganese 0.54 0.01 mg/L 1 0 8/30/2013 4:08:16 PM

Nickel < 0.01 0.01 mg/L 1 0 8/30/2013 4:08:16 PM

Selenium 0.07 0.02 mg/L 1 3.4 8/30/2013 4:08:16 PM

Silver < 0.005 0.005 mg/L 1 0.1 8/30/2013 4:08:16 PM

Zinc < 0.01 0.01 mg/L 1 0 8/30/2013 4:08:16 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 9/10/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.02 15 8/27/2013 6:03:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, September 13, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1309055

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 5 sample(s) on 9/3/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 7
Geochemical Testin Date: 13-Sep-13 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1309055

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 7
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 9/3/2013 10:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309055

Lab ID: G1309055-001

DF

Geochemical Testing Date: 13-Sep-13

Received Date: 9/3/2013 6:22:24 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5 1 mg/L 1 10 9/4/2013 2:43:08 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27700 20 mg/L 1 0 9/4/2013 2:33:52 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 2 2 mg/L 1.5 25 9/4/2013 6:52:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 13900 1000 mg/L 200 9/4/2013 1:03:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/5/2013 9:28:00 PM

Selenium, dissolved 0.12 0.02 mg/L 1 0 9/5/2013 9:28:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 9/5/2013 11:29:28 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 9/5/2013 9:24:00 PM

Arsenic < 0.02 0.02 mg/L 1 0 9/5/2013 9:24:00 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 9/5/2013 9:24:00 PM

Boron 289 2.50 mg/L 50 0 9/6/2013 1:48:06 PM

Cadmium < 0.002 0.002 mg/L 1 0 9/5/2013 9:24:00 PM

Chromium 0.01 0.01 mg/L 1 0 9/5/2013 9:24:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 9/5/2013 9:24:00 PM

Iron < 0.05 0.05 mg/L 1 0 9/5/2013 9:24:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 9/5/2013 9:24:00 PM

Manganese 0.03 0.01 mg/L 1 0 9/5/2013 9:24:00 PM

Nickel 0.01 0.01 mg/L 1 0 9/5/2013 9:24:00 PM

Selenium 0.13 0.02 mg/L 1 3.4 9/5/2013 9:24:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 9/5/2013 9:24:00 PM

Zinc < 0.01 0.01 mg/L 1 0 9/5/2013 9:24:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 9/10/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1.08 15 9/5/2013 1:29:00 PM

I.D. 56-00306 PA DEP

Page 3 of 7
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 9/3/2013 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309055

Lab ID: G1309055-002

DF

Geochemical Testing Date: 13-Sep-13

Received Date: 9/3/2013 6:22:24 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 37100 100 mg/L 5 0 9/4/2013 2:33:52 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 12300 100 mg/L 20 0 9/4/2013 2:43:09 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 9 3 mg/L 3 0 9/4/2013 6:52:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 16500 1000 mg/L 200 9/4/2013 1:03:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/6/2013 12:14:00 AM

Selenium, dissolved 1.09 0.02 mg/L 1 0 9/6/2013 12:14:00 AM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.945 0.100 mg/L 500 0 9/5/2013 11:31:06 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 373 1.0 mg/L 1 0 9/6/2013 9:47:19 PM

Arsenic 2.26 0.20 mg/L 1 0 9/6/2013 9:47:19 PM

Beryllium 0.046 0.010 mg/L 1 0 9/6/2013 9:47:19 PM

Boron 423 0.50 mg/L 1 0 9/6/2013 9:47:19 PM

Cadmium 0.054 0.020 mg/L 1 0 9/6/2013 9:47:19 PM

Chromium 2.45 0.10 mg/L 1 0 9/6/2013 9:47:19 PM

Copper 1.80 0.10 mg/L 1 0 9/6/2013 9:47:19 PM

Iron 744 0.50 mg/L 1 0 9/6/2013 9:47:19 PM

Lead 0.81 0.20 mg/L 1 0 9/6/2013 9:47:19 PM

Manganese 71.3 0.10 mg/L 1 0 9/6/2013 9:47:19 PM

Nickel 2.56 0.10 mg/L 1 0 9/6/2013 9:47:19 PM

Selenium 6.29 0.20 mg/L 1 0 9/6/2013 9:47:19 PM

Silver < 0.050 0.050 mg/L 1 0 9/6/2013 9:47:19 PM

Zinc 4.51 0.10 mg/L 1 0 9/6/2013 9:47:19 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.45 0.02 mg/L 1 0 9/10/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 20 20 mg/L 4 0 9/5/2013 1:31:00 PM

I.D. 56-00306 PA DEP

Page 4 of 7
Project: Keystone 611 M(a)

Client Sample ID: Outfall 106

Collection Date: 9/3/2013 8:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309055

Lab ID: G1309055-003

DF

Geochemical Testing Date: 13-Sep-13

Received Date: 9/3/2013 6:22:24 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 30 9/4/2013 2:43:09 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 0.1 0.1 mg/L 1 0 9/6/2013 12:25:00 AM

Chromium < 0.01 0.01 mg/L 1 0 9/6/2013 12:25:00 AM

Iron 0.16 0.05 mg/L 1 0 9/6/2013 12:25:00 AM

Manganese 0.11 0.01 mg/L 1 0 9/6/2013 12:25:00 AM

Nickel < 0.01 0.01 mg/L 1 0 9/6/2013 12:25:00 AM

Titanium < 0.005 0.005 mg/L 1 0 9/6/2013 12:25:00 AM

Zinc < 0.01 0.01 mg/L 1 0 9/6/2013 12:25:00 AM

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: ACG

Oil & Grease < 5 5 mg/L 1 15 9/6/2013 3:43:00 PM

I.D. 56-00306 PA DEP

Page 5 of 7
Project: Keystone 611 M(a)

Client Sample ID: Plum Creek

Collection Date: 9/3/2013 7:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309055

Lab ID: G1309055-004

DF

Geochemical Testing Date: 13-Sep-13

Received Date: 9/3/2013 6:22:24 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON METALS SM 4500-CO2D Analyst: MBG

Bicarbonate 46 5 mg/L CaCO3 1 0 9/4/2013 2:03:00 PM

INORGANIC NON-METALS SM 4500-CO2 Analyst: MBG

Carbonate < 5 5 mg/L CaCO3 1 0 9/4/2013 2:03:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 136 20 mg/L 1 0 9/4/2013 2:33:51 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 8 5 mg/L 1 0 9/4/2013 2:43:09 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 46 5 mg/L CaCO3 1 0 9/4/2013 2:03:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.37 0.05 mg/L as N 1 0 9/3/2013 9:40:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 9/3/2013 9:40:00 PM

Nitrate - Nitrite 0.37 0.05 mg/L as N 1 0 9/3/2013 9:40:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 13 1 mg/L 1 0 9/3/2013 9:40:00 PM

Fluoride < 0.1 0.1 mg/L 1 0 9/3/2013 9:40:00 PM

Sulfate 38 2 mg/L 1 0 9/3/2013 9:40:00 PM

INORGANIC NON-METALS EPA 350.1 Analyst: SLY

Ammonia Nitrogen - Distilled < 0.10 0.10 mg/L as N 1 0 9/6/2013 12:09:26 PM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: MLR

Silica, total 3.5 0.20 mg/L 1 0 9/4/2013 4:10:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Barium 0.05 0.01 mg/L 1 0 9/6/2013 12:41:00 AM

Boron < 0.05 0.05 mg/L 1 0 9/6/2013 2:41:24 PM

Calcium 20.0 0.1 mg/L 1 0 9/6/2013 12:41:00 AM

Iron 0.41 0.05 mg/L 1 0 9/6/2013 12:41:00 AM

Magnesium 6.1 0.1 mg/L 1 0 9/6/2013 12:41:00 AM

Manganese 0.09 0.01 mg/L 1 0 9/6/2013 12:41:00 AM

Potassium 1.8 0.5 mg/L 1 0 9/6/2013 12:41:00 AM

Sodium 15.1 0.2 mg/L 1 0 9/6/2013 12:41:00 AM

Strontium 0.17 0.01 mg/L 1 0 9/6/2013 12:41:00 AM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: JDH

Total Organic Carbon 1.9 0.5 mg/L 1 0 9/11/2013 10:41:00 PM

I.D. 56-00306 PA DEP

Page 6 of 7
Project: Keystone 611 M(a)

Client Sample ID: Crooked Creek

Collection Date: 9/3/2013 6:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309055

Lab ID: G1309055-005

DF

Geochemical Testing Date: 13-Sep-13

Received Date: 9/3/2013 6:22:24 PM

Laboratory Results

Sampled By: Client

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 242 20 mg/L 1 0 9/4/2013 2:33:51 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 140 5 mg/L 1 9/4/2013 2:43:09 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 73 5 mg/L CaCO3 1 0 9/4/2013 2:11:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.49 0.05 mg/L as N 1 0 9/3/2013 9:57:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 9/3/2013 9:57:00 PM

Nitrate - Nitrite 0.49 0.05 mg/L as N 1 0 9/3/2013 9:57:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 34 1 mg/L 1 0 9/3/2013 9:57:00 PM

Sulfate 69 2 mg/L 1 0 9/3/2013 9:57:00 PM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: MLR

Silica, total 3.4 0.20 mg/L 1 0 9/4/2013 4:10:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Calcium 31.7 0.1 mg/L 1 0 9/6/2013 3:47:42 PM

Iron 1.32 0.05 mg/L 1 0 9/6/2013 3:47:42 PM

Magnesium 8.6 0.1 mg/L 1 0 9/6/2013 3:47:42 PM

Manganese 0.30 0.01 mg/L 1 0 9/6/2013 3:47:42 PM

Potassium 2.3 0.5 mg/L 1 0 9/6/2013 3:47:42 PM

Sodium 41.7 0.2 mg/L 1 0 9/6/2013 3:47:42 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: JDH

Total Organic Carbon 4.4 0.5 mg/L 1 0 9/12/2013 2:22:00 AM

I.D. 56-00306 PA DEP

Page 7 of 7
Wednesday, September 18, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1309354

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 9/9/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 18-Sep-13 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1309354

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 9/9/2013 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309354

Lab ID: G1309354-001

DF

Geochemical Testing Date: 18-Sep-13

Received Date: 9/9/2013 4:47:50 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1 1 mg/L 1 10 9/10/2013 1:20:32 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26400 20 mg/L 1 0 9/10/2013 1:19:53 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 7 2 mg/L 1.5 25 9/11/2013 6:19:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 15200 1000 mg/L 200 9/10/2013 9:57:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/10/2013 8:30:34 PM

Selenium, dissolved 0.32 0.02 mg/L 1 0 9/10/2013 8:30:34 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 9/11/2013 9:58:34 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 9/10/2013 8:12:54 PM

Arsenic < 0.02 0.02 mg/L 1 0 9/10/2013 8:12:54 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 9/10/2013 8:12:54 PM

Boron 300 2.50 mg/L 50 0 9/11/2013 10:49:53 AM

Cadmium < 0.002 0.002 mg/L 1 0 9/10/2013 8:12:54 PM

Chromium < 0.01 0.01 mg/L 1 0 9/10/2013 8:12:54 PM

Copper < 0.01 0.01 mg/L 1 0.1 9/10/2013 8:12:54 PM

Iron 0.21 0.05 mg/L 1 0 9/10/2013 8:12:54 PM

Lead < 0.02 0.02 mg/L 1 0.1 9/10/2013 8:12:54 PM

Manganese 0.08 0.01 mg/L 1 0 9/10/2013 8:12:54 PM

Nickel < 0.01 0.01 mg/L 1 0 9/10/2013 8:12:54 PM

Selenium 0.40 0.02 mg/L 1 3.4 9/10/2013 8:12:54 PM

Silver < 0.005 0.005 mg/L 1 0.1 9/10/2013 8:12:54 PM

Zinc < 0.01 0.01 mg/L 1 0 9/10/2013 8:12:54 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 9/12/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1 15 9/10/2013 6:27:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 9/9/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309354

Lab ID: G1309354-002

DF

Geochemical Testing Date: 18-Sep-13

Received Date: 9/9/2013 4:47:50 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25800 100 mg/L 5 0 9/10/2013 1:19:53 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 3870 100 mg/L 20 0 9/10/2013 1:20:32 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 5 2 mg/L 1.5 0 9/11/2013 6:19:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 16400 1000 mg/L 200 9/10/2013 9:57:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/10/2013 8:33:09 PM

Selenium, dissolved 1.02 0.02 mg/L 1 0 9/10/2013 8:33:09 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.431 0.100 mg/L 500 0 9/11/2013 10:00:11 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 194 1.0 mg/L 1 0 9/11/2013 5:08:24 PM

Arsenic 1.35 0.20 mg/L 1 0 9/11/2013 5:08:24 PM

Beryllium 0.029 0.010 mg/L 1 0 9/11/2013 5:08:24 PM

Boron 425 5.00 mg/L 10 0 9/12/2013 6:31:00 PM

Cadmium 0.028 0.020 mg/L 1 0 9/12/2013 6:35:00 PM

Cadmium 0.046 0.020 mg/L 1 0 9/11/2013 5:08:24 PM

Chromium 1.35 0.10 mg/L 1 0 9/11/2013 5:08:24 PM

Copper 1.13 0.10 mg/L 1 0 9/11/2013 5:08:24 PM

Iron 440 0.50 mg/L 1 0 9/11/2013 5:08:24 PM

Lead 0.44 0.20 mg/L 1 0 9/11/2013 5:08:24 PM

Manganese 65.7 0.10 mg/L 1 0 9/11/2013 5:08:24 PM

Nickel 1.92 0.10 mg/L 1 0 9/11/2013 5:08:24 PM

Selenium 4.45 0.20 mg/L 1 0 9/11/2013 5:08:24 PM

Silver < 0.050 0.050 mg/L 1 0 9/11/2013 5:08:24 PM

Zinc 2.85 0.10 mg/L 1 0 9/11/2013 5:08:24 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.35 0.02 mg/L 1 0 9/17/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 9/10/2013 6:27:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, September 27, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1309753

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 9/16/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 27-Sep-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1309753

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 9/16/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309753

Lab ID: G1309753-001

DF

Geochemical Testing Date: 27-Sep-13

Received Date: 9/16/2013 5:06:31 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 7 1 mg/L 1 10 9/18/2013 12:56:04 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 26700 100 mg/L 5 0 9/17/2013 2:11:40 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 9/18/2013 5:59:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15600 1000 mg/L 200 9/17/2013 1:25:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/18/2013 8:22:29 PM

Selenium, dissolved 0.13 0.02 mg/L 1 0 9/18/2013 8:22:29 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 9/19/2013 10:51:41 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 9/18/2013 8:19:54 PM

Arsenic < 0.02 0.02 mg/L 1 0 9/18/2013 8:19:54 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 9/18/2013 8:19:54 PM

Boron 295 2.50 mg/L 50 0 9/19/2013 3:02:15 PM

Cadmium < 0.002 0.002 mg/L 1 0 9/18/2013 8:19:54 PM

Chromium < 0.01 0.01 mg/L 1 0 9/18/2013 8:19:54 PM

Copper < 0.01 0.01 mg/L 1 0.1 9/18/2013 8:19:54 PM

Iron < 0.05 0.05 mg/L 1 0 9/18/2013 8:19:54 PM

Lead < 0.02 0.02 mg/L 1 0.1 9/18/2013 8:19:54 PM

Manganese 0.07 0.01 mg/L 1 0 9/18/2013 8:19:54 PM

Nickel < 0.01 0.01 mg/L 1 0 9/18/2013 8:19:54 PM

Selenium 0.14 0.02 mg/L 1 3.4 9/18/2013 8:19:54 PM

Silver < 0.005 0.005 mg/L 1 0.1 9/18/2013 8:19:54 PM

Zinc < 0.01 0.01 mg/L 1 0 9/18/2013 8:19:54 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 9/20/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1 15 9/24/2013 5:20:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 9/16/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309753

Lab ID: G1309753-002

DF

Geochemical Testing Date: 27-Sep-13

Received Date: 9/16/2013 5:06:31 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27800 100 mg/L 5 0 9/17/2013 2:11:40 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 11200 100 mg/L 20 0 9/17/2013 2:11:21 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 11 3 mg/L 3 0 9/18/2013 5:59:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: CLS

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 9/16/2013 5:45:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 16000 1000 mg/L 200 9/17/2013 1:25:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.10 0.10 mg/L 2 0 9/19/2013 7:37:39 PM

Selenium, dissolved 1.66 0.04 mg/L 2 0 9/19/2013 7:37:39 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.432 0.100 mg/L 500 0 9/19/2013 10:53:17 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 265 1.0 mg/L 1 0 9/19/2013 4:03:43 PM

Arsenic 1.71 0.20 mg/L 1 0 9/19/2013 4:03:43 PM

Beryllium 0.036 0.010 mg/L 1 0 9/19/2013 4:03:43 PM

Boron 439 5.00 mg/L 10 0 9/23/2013 1:28:15 PM

Cadmium 0.047 0.020 mg/L 1 0 9/19/2013 4:03:43 PM

Chromium 1.61 0.10 mg/L 1 0 9/19/2013 4:03:43 PM

Copper 1.22 0.10 mg/L 1 0 9/19/2013 4:03:43 PM

Iron 474 0.50 mg/L 1 0 9/19/2013 4:03:43 PM

Lead 0.62 0.20 mg/L 1 0 9/19/2013 4:03:43 PM

Manganese 64.3 0.10 mg/L 1 0 9/19/2013 4:03:43 PM

Nickel 1.90 0.10 mg/L 1 0 9/19/2013 4:03:43 PM

Selenium 5.17 0.20 mg/L 1 0 9/19/2013 4:03:43 PM

Silver < 0.050 0.050 mg/L 1 0 9/19/2013 4:03:43 PM

Zinc 3.46 0.10 mg/L 1 0 9/19/2013 4:03:43 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.61 0.02 mg/L 1 0 9/23/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 9/24/2013 5:20:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Thursday, October 03, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1309A66

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 9/24/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 03-Oct-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1309A66

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 9/23/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309A66

Lab ID: G1309A66-001

DF

Geochemical Testing Date: 03-Oct-13

Received Date: 9/24/2013 6:37:01 AM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids < 1 1 mg/L 1 10 9/24/2013 3:01:43 PM

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 27400 20 mg/L 1 0 9/24/2013 2:59:07 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 9/25/2013 5:49:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 13900 1000 mg/L 200 9/24/2013 12:57:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/25/2013 2:38:50 PM

Selenium, dissolved 0.13 0.02 mg/L 1 0 9/25/2013 2:38:50 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 9/25/2013 10:18:13 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 9/25/2013 2:36:14 PM

Arsenic < 0.02 0.02 mg/L 1 0 9/25/2013 2:36:14 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 9/25/2013 2:36:14 PM

Boron 296 2.50 mg/L 50 0 9/27/2013 10:14:38 AM

Cadmium < 0.002 0.002 mg/L 1 0 9/25/2013 2:36:14 PM

Chromium < 0.01 0.01 mg/L 1 0 9/25/2013 2:36:14 PM

Copper < 0.01 0.01 mg/L 1 0.1 9/25/2013 2:36:14 PM

Iron < 0.05 0.05 mg/L 1 0 9/25/2013 2:36:14 PM

Lead < 0.02 0.02 mg/L 1 0.1 9/25/2013 2:36:14 PM

Manganese 0.08 0.01 mg/L 1 0 9/25/2013 2:36:14 PM

Nickel < 0.01 0.01 mg/L 1 0 9/25/2013 2:36:14 PM

Selenium 0.13 0.02 mg/L 1 3.4 9/25/2013 2:36:14 PM

Silver < 0.005 0.005 mg/L 1 0.1 9/25/2013 2:36:14 PM

Zinc 0.02 0.01 mg/L 1 0 9/25/2013 2:36:14 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 9/26/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1 15 10/1/2013 12:44:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 9/23/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309A66

Lab ID: G1309A66-002

DF

Geochemical Testing Date: 03-Oct-13

Received Date: 9/24/2013 6:37:01 AM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 24700 200 mg/L 10 0 9/24/2013 2:59:07 PM

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 7040 200 mg/L 40 0 9/24/2013 3:01:40 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 2 2 mg/L 1.5 0 9/25/2013 5:49:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: SEF

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 9/24/2013 7:15:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 8590 1000 mg/L 200 9/24/2013 12:57:00 PM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 9/25/2013 2:41:24 PM

Selenium, dissolved 0.41 0.02 mg/L 1 0 9/25/2013 2:41:24 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.560 0.100 mg/L 500 0 9/25/2013 10:19:50 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 207 1.0 mg/L 1 0 9/27/2013 9:43:07 PM

Arsenic 1.51 0.20 mg/L 1 0 9/27/2013 9:43:07 PM

Beryllium 0.024 0.010 mg/L 1 0 9/27/2013 9:43:07 PM

Boron 277 5.00 mg/L 10 0 10/1/2013 8:06:52 PM

Cadmium 0.032 0.020 mg/L 1 0 9/27/2013 9:43:07 PM

Chromium 1.43 0.10 mg/L 1 0 9/27/2013 9:43:07 PM

Copper 1.12 0.10 mg/L 1 0 9/27/2013 9:43:07 PM

Iron 427 0.50 mg/L 1 0 9/27/2013 9:43:07 PM

Lead 0.53 0.20 mg/L 1 0 9/27/2013 9:43:07 PM

Manganese 44.2 0.10 mg/L 1 0 9/27/2013 9:43:07 PM

Nickel 1.64 0.10 mg/L 1 0 9/27/2013 9:43:07 PM

Selenium 3.70 0.20 mg/L 1 0 9/27/2013 9:43:07 PM

Silver < 0.050 0.050 mg/L 1 0 9/27/2013 9:43:07 PM

Zinc 3.02 0.10 mg/L 1 0 9/27/2013 9:43:07 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.43 0.02 mg/L 1 0 9/30/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 10/1/2013 12:45:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, October 09, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(a)

Order No.: G1309E08

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 9/30/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 09-Oct-13 g

Project: Keystone 611 Q(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1309E08

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 Q(a)

Client Sample ID: Outfall 101

Collection Date: 9/30/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309E08

Lab ID: G1309E08-001

DF

Geochemical Testing Date: 09-Oct-13

Received Date: 9/30/2013 4:32:34 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 8 1 mg/L 1 10 10/1/2013 2:17:17 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27400 20 mg/L 1 0 10/1/2013 2:16:56 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 10/2/2013 6:13:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15600 1000 mg/L 200 10/1/2013 10:29:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/3/2013 12:36:12 PM

Selenium, dissolved < 0.02 0.02 mg/L 1 0 10/3/2013 12:36:12 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 10/3/2013 9:02:46 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum < 0.1 0.1 mg/L 1 0 10/3/2013 12:33:39 PM

Arsenic < 0.02 0.02 mg/L 1 0 10/3/2013 12:33:39 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 10/3/2013 12:33:39 PM

Boron 291 2.50 mg/L 50 0 10/7/2013 9:56:20 AM

Cadmium 0.003 0.002 mg/L 1 0 10/3/2013 12:33:39 PM

Chromium < 0.01 0.01 mg/L 1 0 10/3/2013 12:33:39 PM

Copper < 0.01 0.01 mg/L 1 0.1 10/3/2013 12:33:39 PM

Iron < 0.05 0.05 mg/L 1 0 10/3/2013 12:33:39 PM

Lead < 0.02 0.02 mg/L 1 0.1 10/3/2013 12:33:39 PM

Manganese 0.10 0.01 mg/L 1 0 10/3/2013 12:33:39 PM

Nickel 0.01 0.01 mg/L 1 0 10/3/2013 12:33:39 PM

Selenium < 0.02 0.02 mg/L 1 3.4 10/3/2013 12:33:39 PM

Silver < 0.005 0.005 mg/L 1 0.1 10/3/2013 12:33:39 PM

Zinc 0.02 0.01 mg/L 1 0 10/3/2013 12:33:39 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 10/4/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1 15 10/3/2013 2:17:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 Q(a)

Client Sample ID: FGD Influent

Collection Date: 9/30/2013 8:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1309E08

Lab ID: G1309E08-002

DF

Geochemical Testing Date: 09-Oct-13

Received Date: 9/30/2013 4:32:34 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 28900 100 mg/L 5 0 10/1/2013 2:16:55 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 4140 100 mg/L 20 0 10/1/2013 2:17:16 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 3 3 mg/L 3 0 10/2/2013 6:13:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15800 1000 mg/L 200 10/1/2013 10:29:00 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/3/2013 12:38:47 PM

Selenium, dissolved 0.72 0.02 mg/L 1 0 10/3/2013 12:38:47 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.214 0.100 mg/L 500 0 10/3/2013 9:04:25 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 123 1.0 mg/L 1 0 10/2/2013 6:35:00 PM

Arsenic 0.92 0.20 mg/L 1 0 10/2/2013 6:35:00 PM

Beryllium 0.017 0.010 mg/L 1 0 10/2/2013 6:35:00 PM

Boron 404 5.00 mg/L 10 0 10/3/2013 10:37:07 AM

Cadmium 0.037 0.020 mg/L 1 0 10/2/2013 6:35:00 PM

Chromium 0.99 0.10 mg/L 1 0 10/2/2013 6:35:00 PM

Copper 0.68 0.10 mg/L 1 0 10/2/2013 6:35:00 PM

Iron 252 0.50 mg/L 1 0 10/2/2013 6:35:00 PM

Lead 0.28 0.20 mg/L 1 0 10/2/2013 6:35:00 PM

Manganese 63.3 0.10 mg/L 1 0 10/2/2013 6:35:00 PM

Nickel 2.04 0.10 mg/L 1 0 10/2/2013 6:35:00 PM

Selenium 2.51 0.20 mg/L 1 0 10/2/2013 6:35:00 PM

Silver < 0.050 0.050 mg/L 1 0 10/2/2013 6:35:00 PM

Zinc 2.63 0.10 mg/L 1 0 10/2/2013 6:35:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.99 0.02 mg/L 1 0 10/4/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 10/3/2013 2:18:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, October 22, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(b)

Order No.: G1310343

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 10/7/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 22-Oct-13 g

Project: Keystone 611 Q(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1310343

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 Q(b)

Client Sample ID: Outfall 101

Collection Date: 10/7/2013 8:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1310343

Lab ID: G1310343-001

DF

Geochemical Testing Date: 22-Oct-13

Received Date: 10/7/2013 4:29:18 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1 1 mg/L 1 10 10/8/2013 1:02:29 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25000 20 mg/L 1 0 10/8/2013 1:02:46 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 4 2 mg/L 1.5 25 10/9/2013 6:11:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15300 1000 mg/L 200 10/8/2013 4:25:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/9/2013 7:02:25 PM

Selenium, dissolved < 0.02 0.02 mg/L 1 0 10/9/2013 7:02:25 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0 10/8/2013 2:54:01 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 10/9/2013 6:59:51 PM

Arsenic < 0.02 0.02 mg/L 1 0 10/9/2013 6:59:51 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 10/9/2013 6:59:51 PM

Boron 291 2.50 mg/L 50 0 10/11/2013 9:55:41 AM

Cadmium 0.002 0.002 mg/L 1 0 10/9/2013 6:59:51 PM

Chromium < 0.01 0.01 mg/L 1 0 10/9/2013 6:59:51 PM

Copper < 0.01 0.01 mg/L 1 0.1 10/9/2013 6:59:51 PM

Iron < 0.05 0.05 mg/L 1 0 10/9/2013 6:59:51 PM

Lead < 0.02 0.02 mg/L 1 0.1 10/9/2013 6:59:51 PM

Manganese 0.06 0.01 mg/L 1 0 10/9/2013 6:59:51 PM

Nickel < 0.01 0.01 mg/L 1 0 10/9/2013 6:59:51 PM

Selenium < 0.02 0.02 mg/L 1 3.4 10/9/2013 6:59:51 PM

Silver < 0.005 0.005 mg/L 1 0.1 10/9/2013 6:59:51 PM

Zinc 0.01 0.01 mg/L 1 0 10/9/2013 6:59:51 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 10/17/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1.1 15 10/8/2013 5:35:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 Q(b)

Client Sample ID: FGD Influent

Collection Date: 10/7/2013 8:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1310343

Lab ID: G1310343-002

DF

Geochemical Testing Date: 22-Oct-13

Received Date: 10/7/2013 4:29:18 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 22900 100 mg/L 5 0 10/8/2013 1:02:46 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 9970 100 mg/L 20 0 10/8/2013 1:02:29 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 55 30 mg/L 30 0 10/9/2013 6:11:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 16300 1000 mg/L 200 10/8/2013 4:25:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/9/2013 7:05:00 PM

Selenium, dissolved 0.63 0.02 mg/L 1 0 10/9/2013 7:05:00 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.436 0.100 mg/L 500 0 10/8/2013 2:55:37 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 202 1.0 mg/L 1 0 10/8/2013 11:40:15 PM

Arsenic 1.67 0.20 mg/L 1 0 10/8/2013 11:40:15 PM

Beryllium 0.025 0.010 mg/L 1 0 10/8/2013 11:40:15 PM

Boron 454 5.00 mg/L 10 0 10/9/2013 1:23:04 PM

Cadmium 0.051 0.020 mg/L 1 0 10/8/2013 11:40:15 PM

Chromium 1.48 0.10 mg/L 1 0 10/8/2013 11:40:15 PM

Copper 1.22 0.10 mg/L 1 0 10/8/2013 11:40:15 PM

Iron 406 0.50 mg/L 1 0 10/8/2013 11:40:15 PM

Lead 0.52 0.20 mg/L 1 0 10/8/2013 11:40:15 PM

Manganese 60.7 0.10 mg/L 1 0 10/8/2013 11:40:15 PM

Nickel 2.08 0.10 mg/L 1 0 10/8/2013 11:40:15 PM

Selenium 3.11 0.20 mg/L 1 0 10/8/2013 11:40:15 PM

Silver < 0.050 0.050 mg/L 1 0 10/8/2013 11:40:15 PM

Zinc 3.51 0.10 mg/L 1 0 10/8/2013 11:40:15 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.48 0.02 mg/L 1 0 10/17/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 10/8/2013 5:35:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, October 22, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1310627

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 10/14/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 22-Oct-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1310627

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 10/14/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1310627

Lab ID: G1310627-001

DF

Geochemical Testing Date: 22-Oct-13

Received Date: 10/14/2013 4:08:22 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5 1 mg/L 1 10 10/15/2013 1:21:47 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24600 20 mg/L 1 0 10/15/2013 1:22:26 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 10/16/2013 6:12:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 14300 1000 mg/L 200 10/17/2013 12:58:00 P

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/16/2013 1:27:12 PM

Selenium, dissolved 0.02 0.02 mg/L 1 0 10/16/2013 1:27:12 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury < 0.0002 0.0002 mg/L 1 0.004 10/17/2013 8:54:56 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 10/16/2013 1:24:37 PM

Arsenic < 0.02 0.02 mg/L 1 0 10/16/2013 1:24:37 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 10/16/2013 1:24:37 PM

Boron 287 2.50 mg/L 50 0 10/18/2013 12:35:35 P

Cadmium 0.002 0.002 mg/L 1 0 10/16/2013 1:24:37 PM

Chromium < 0.01 0.01 mg/L 1 0 10/16/2013 1:24:37 PM

Copper < 0.01 0.01 mg/L 1 0.1 10/16/2013 1:24:37 PM

Iron < 0.05 0.05 mg/L 1 0 10/16/2013 1:24:37 PM

Lead < 0.02 0.02 mg/L 1 0.1 10/16/2013 1:24:37 PM

Manganese 0.06 0.01 mg/L 1 0 10/16/2013 1:24:37 PM

Nickel < 0.01 0.01 mg/L 1 0 10/16/2013 1:24:37 PM

Selenium < 0.02 0.02 mg/L 1 3.4 10/16/2013 1:24:37 PM

Silver < 0.005 0.005 mg/L 1 0.1 10/16/2013 1:24:37 PM

Zinc 0.01 0.01 mg/L 1 0 10/16/2013 1:24:37 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 10/21/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1 15 10/16/2013 1:54:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 10/14/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1310627

Lab ID: G1310627-002

DF

Geochemical Testing Date: 22-Oct-13

Received Date: 10/14/2013 4:08:22 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24500 100 mg/L 5 0 10/15/2013 1:22:26 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 4120 100 mg/L 20 0 10/15/2013 1:21:46 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 7 3 mg/L 3 0 10/16/2013 6:12:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: HJC

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 10/14/2013 6:04:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15400 1000 mg/L 200 10/17/2013 12:58:00 P

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/16/2013 1:29:48 PM

Selenium, dissolved 0.55 0.02 mg/L 1 0 10/16/2013 1:29:48 PM

INORGANIC METALS SM 3112B Analyst: JEK

Mercury 0.327 0.100 mg/L 500 0 10/17/2013 8:59:56 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 138 1.0 mg/L 1 0 10/18/2013 10:47:00 A

Arsenic 1.21 0.20 mg/L 1 0 10/18/2013 10:47:00 A

Beryllium 0.016 0.010 mg/L 1 0 10/18/2013 10:47:00 A

Boron 415 5.00 mg/L 10 0 10/21/2013 11:55:16 A

Cadmium 0.041 0.020 mg/L 1 0 10/18/2013 10:47:00 A

Chromium 1.15 0.10 mg/L 1 0 10/18/2013 10:47:00 A

Copper 0.69 0.10 mg/L 1 0 10/18/2013 10:47:00 A

Iron 300 0.50 mg/L 1 0 10/18/2013 10:47:00 A

Lead 0.37 0.20 mg/L 1 0 10/18/2013 10:47:00 A

Manganese 57.1 0.10 mg/L 1 0 10/18/2013 10:47:00 A

Nickel 2.09 0.10 mg/L 1 0 10/18/2013 10:47:00 A

Selenium 2.73 0.20 mg/L 1 0 10/18/2013 10:47:00 A

Silver < 0.050 0.050 mg/L 1 0 10/18/2013 10:47:00 A

Zinc 2.82 0.10 mg/L 1 0 10/18/2013 10:47:00 A

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.15 0.02 mg/L 1 0 10/21/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 10/16/2013 1:54:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, November 01, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1310937

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 10/21/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 01-Nov-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1310937

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 10/21/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1310937

Lab ID: G1310937-001

DF

Geochemical Testing Date: 01-Nov-13

Received Date: 10/21/2013 5:30:53 PM

Laboratory Results

Sampled By: Client

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 7 1 mg/L 1 10 10/22/2013 1:42:15 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 28500 100 mg/L 5 0 10/22/2013 1:41:00 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 10/23/2013 6:06:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 13000 1000 mg/L 200 10/22/2013 2:52:00 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/24/2013 10:49:00 A

Selenium, dissolved 0.11 0.02 mg/L 1 0 10/24/2013 10:49:00 A

INORGANIC METALS SM 3112B Analyst: RXS

Mercury < 0.0002 0.0002 mg/L 1 0.004 10/28/2013 9:54:22 AM

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum < 0.1 0.1 mg/L 1 0 10/24/2013 10:20:00 A

Arsenic < 0.02 0.02 mg/L 1 0 10/24/2013 10:20:00 A

Beryllium < 0.001 0.001 mg/L 1 0.8 10/24/2013 10:20:00 A

Boron 270 2.50 mg/L 50 0 10/25/2013 2:47:58 PM

Cadmium < 0.002 0.002 mg/L 1 0 10/24/2013 10:20:00 A

Chromium < 0.01 0.01 mg/L 1 0 10/24/2013 10:20:00 A

Copper < 0.01 0.01 mg/L 1 0.1 10/24/2013 10:20:00 A

Iron < 0.05 0.05 mg/L 1 0 10/24/2013 10:20:00 A

Lead < 0.02 0.02 mg/L 1 0.1 10/24/2013 10:20:00 A

Manganese 0.38 0.01 mg/L 1 0 10/24/2013 10:20:00 A

Nickel < 0.01 0.01 mg/L 1 0 10/24/2013 10:20:00 A

Selenium 0.09 0.02 mg/L 1 3.4 10/24/2013 10:20:00 A

Silver < 0.005 0.005 mg/L 1 0.1 10/24/2013 10:20:00 A

Zinc < 0.01 0.01 mg/L 1 0 10/24/2013 10:20:00 A

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 10/28/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1.02 15 10/29/2013 5:55:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 10/21/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1310937

Lab ID: G1310937-002

DF

Geochemical Testing Date: 01-Nov-13

Received Date: 10/21/2013 5:30:53 PM

Laboratory Results

Sampled By: Client

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 30800 100 mg/L 5 0 10/22/2013 1:41:00 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 8460 100 mg/L 20 0 10/22/2013 1:42:07 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 6 3 mg/L 3 0 10/23/2013 6:06:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: HJC

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 10/21/2013 6:20:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14400 1000 mg/L 200 10/22/2013 2:52:00 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/24/2013 10:54:00 A

Selenium, dissolved 0.48 0.02 mg/L 1 0 10/24/2013 10:54:00 A

INORGANIC METALS SM 3112B Analyst: RXS

Mercury 0.334 0.100 mg/L 500 0 10/28/2013 9:59:21 AM

INORGANIC METALS EPA 200.7 Analyst: RXS

Aluminum 144 1.0 mg/L 1 0 10/25/2013 3:13:45 PM

Arsenic 1.20 0.20 mg/L 1 0 10/25/2013 3:13:45 PM

Beryllium 0.019 0.010 mg/L 1 0 10/25/2013 3:13:45 PM

Boron 426 5.00 mg/L 10 0 10/25/2013 2:29:51 PM

Cadmium 0.037 0.020 mg/L 1 0 10/25/2013 3:13:45 PM

Chromium 1.07 0.10 mg/L 1 0 10/25/2013 3:13:45 PM

Copper 1.05 0.10 mg/L 1 0 10/25/2013 3:13:45 PM

Iron 392 0.50 mg/L 1 0 10/25/2013 3:13:45 PM

Lead 0.42 0.20 mg/L 1 0 10/25/2013 3:13:45 PM

Manganese 80.0 0.10 mg/L 1 0 10/25/2013 3:13:45 PM

Nickel 1.94 0.10 mg/L 1 0 10/25/2013 3:13:45 PM

Selenium 2.57 0.20 mg/L 1 0 10/25/2013 3:13:45 PM

Silver < 0.050 0.050 mg/L 1 0 10/25/2013 3:13:45 PM

Zinc 2.71 0.10 mg/L 1 0 10/25/2013 3:13:45 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.07 0.02 mg/L 1 0 10/28/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 19 19 mg/L 3.7 0 10/29/2013 5:56:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, November 05, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1310C16

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 10/28/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 05-Nov-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1310C16

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 10/28/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1310C16

Lab ID: G1310C16-001

DF

Geochemical Testing Date: 05-Nov-13

Received Date: 10/28/2013 4:50:00 PM

Laboratory Results

Sampled By: Water Lab

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 8 1 mg/L 1 10 10/29/2013 2:33:30 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 29100 20 mg/L 1 0 10/29/2013 2:33:55 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 10/30/2013 6:37:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SAG

Chloride 14800 1000 mg/L 200 10/30/2013 11:51:00 A

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/29/2013 7:41:41 PM

Selenium, dissolved < 0.02 0.02 mg/L 1 0 10/29/2013 7:41:41 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury < 0.0002 0.0002 mg/L 1 0.004 10/31/2013 9:34:08 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 10/29/2013 7:39:06 PM

Arsenic < 0.02 0.02 mg/L 1 0 10/29/2013 7:39:06 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 10/29/2013 7:39:06 PM

Boron 368 2.50 mg/L 50 0 10/31/2013 11:26:49 A

Cadmium 0.002 0.002 mg/L 1 0 10/29/2013 7:39:06 PM

Chromium < 0.01 0.01 mg/L 1 0 10/29/2013 7:39:06 PM

Copper < 0.01 0.01 mg/L 1 0.1 10/29/2013 7:39:06 PM

Iron < 0.05 0.05 mg/L 1 0 10/29/2013 7:39:06 PM

Lead < 0.02 0.02 mg/L 1 0.1 10/29/2013 7:39:06 PM

Manganese 0.48 0.01 mg/L 1 0 10/29/2013 7:39:06 PM

Nickel 0.01 0.01 mg/L 1 0 10/29/2013 7:39:06 PM

Selenium < 0.02 0.02 mg/L 1 3.4 10/29/2013 7:39:06 PM

Silver < 0.005 0.005 mg/L 1 0.1 10/29/2013 7:39:06 PM

Zinc 0.01 0.01 mg/L 1 0 10/29/2013 7:39:06 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 10/30/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1 15 10/31/2013 2:33:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 10/28/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1310C16

Lab ID: G1310C16-002

DF

Geochemical Testing Date: 05-Nov-13

Received Date: 10/28/2013 4:50:00 PM

Laboratory Results

Sampled By: Water Lab

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27300 100 mg/L 5 0 10/29/2013 2:33:55 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5680 100 mg/L 20 0 10/29/2013 2:33:33 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 3 3 mg/L 3 0 10/30/2013 6:37:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: SEF

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 10/28/2013 5:55:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SAG

Chloride 16700 1000 mg/L 200 10/30/2013 11:51:00 A

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 10/29/2013 7:44:16 PM

Selenium, dissolved 0.26 0.02 mg/L 1 0 10/29/2013 7:44:16 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury 0.117 0.100 mg/L 500 0 10/31/2013 9:35:47 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 41.2 1.0 mg/L 1 0 10/29/2013 5:54:20 PM

Arsenic 0.23 0.20 mg/L 1 0 10/29/2013 5:54:20 PM

Beryllium < 0.010 0.010 mg/L 1 0 10/29/2013 5:54:20 PM

Boron 483 5.00 mg/L 10 0 10/31/2013 11:21:42 A

Cadmium 0.042 0.020 mg/L 1 0 10/29/2013 5:54:20 PM

Chromium 0.42 0.10 mg/L 1 0 10/29/2013 5:54:20 PM

Copper 0.50 0.10 mg/L 1 0 10/29/2013 5:54:20 PM

Iron 110 0.50 mg/L 1 0 10/29/2013 5:54:20 PM

Lead < 0.20 0.20 mg/L 1 0 10/29/2013 5:54:20 PM

Manganese 83.2 0.10 mg/L 1 0 10/29/2013 5:54:20 PM

Nickel 1.71 0.10 mg/L 1 0 10/29/2013 5:54:20 PM

Selenium 1.08 0.20 mg/L 1 0 10/29/2013 5:54:20 PM

Silver < 0.050 0.050 mg/L 1 0 10/29/2013 5:54:20 PM

Zinc 1.79 0.10 mg/L 1 0 10/29/2013 5:54:20 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.42 0.02 mg/L 1 0 10/30/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 10/31/2013 2:34:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Wednesday, November 13, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1311071

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 4 sample(s) on 11/4/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 6
Geochemical Testin Date: 13-Nov-13 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1311071

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 6
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 11/4/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1311071

Lab ID: G1311071-001

DF

Geochemical Testing Date: 13-Nov-13

Received Date: 11/4/2013 4:28:08 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1 1 mg/L 1 10 11/5/2013 2:52:23 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 28300 20 mg/L 1 0 11/5/2013 2:53:16 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 2 2 mg/L 1.5 25 11/6/2013 6:21:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 16000 1000 mg/L 200 11/5/2013 10:35:00 AM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/6/2013 4:05:00 PM

Selenium, dissolved 0.37 0.02 mg/L 1 0 11/6/2013 4:05:00 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury < 0.0002 0.0002 mg/L 1 0.004 11/7/2013 11:49:52 AM

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum < 0.1 0.1 mg/L 1 0 11/8/2013 12:47:08 PM

Arsenic < 0.02 0.02 mg/L 1 0 11/8/2013 12:47:08 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 11/6/2013 4:01:00 PM

Boron 352 2.50 mg/L 50 0 11/6/2013 3:41:25 PM

Cadmium < 0.002 0.002 mg/L 1 0 11/6/2013 4:01:00 PM

Chromium < 0.01 0.01 mg/L 1 0 11/6/2013 4:01:00 PM

Copper < 0.01 0.01 mg/L 1 0.1 11/6/2013 4:01:00 PM

Iron < 0.05 0.05 mg/L 1 0 11/6/2013 4:01:00 PM

Lead < 0.02 0.02 mg/L 1 0.1 11/6/2013 4:01:00 PM

Manganese 0.14 0.01 mg/L 1 0 11/6/2013 4:01:00 PM

Nickel 0.01 0.01 mg/L 1 0 11/6/2013 4:01:00 PM

Selenium 0.36 0.02 mg/L 1 3.4 11/6/2013 4:01:00 PM

Silver < 0.005 0.005 mg/L 1 0.1 11/6/2013 4:01:00 PM

Zinc 0.01 0.01 mg/L 1 0 11/8/2013 12:47:08 PM

Zinc < 0.50 0.50 mg/L 50 0 11/11/2013 1:15:08 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 11/12/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1 15 11/5/2013 6:19:00 PM

I.D. 56-00306 PA DEP

Page 3 of 6
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 11/4/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1311071

Lab ID: G1311071-002

DF

Geochemical Testing Date: 13-Nov-13

Received Date: 11/4/2013 4:28:08 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 30800 100 mg/L 5 0 11/5/2013 2:53:15 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1670 100 mg/L 20 0 11/5/2013 2:52:25 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 8 3 mg/L 3 0 11/6/2013 6:21:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 16000 1000 mg/L 200 11/5/2013 10:35:00 AM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/6/2013 4:10:00 PM

Selenium, dissolved 0.35 0.02 mg/L 1 0 11/6/2013 4:10:00 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury 0.106 0.100 mg/L 500 0 11/7/2013 11:51:29 AM

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum 38.0 1.0 mg/L 1 0 11/8/2013 11:22:14 PM

Arsenic 0.32 0.20 mg/L 1 0 11/8/2013 11:22:14 PM

Beryllium < 0.010 0.010 mg/L 1 0 11/8/2013 11:22:14 PM

Boron 467 5.00 mg/L 10 0 11/11/2013 3:25:03 PM

Cadmium 0.028 0.020 mg/L 1 0 11/8/2013 11:22:14 PM

Chromium 0.37 0.10 mg/L 1 0 11/8/2013 11:22:14 PM

Copper 0.47 0.10 mg/L 1 0 11/8/2013 11:22:14 PM

Iron 131 0.50 mg/L 1 0 11/8/2013 11:22:14 PM

Lead < 0.20 0.20 mg/L 1 0 11/8/2013 11:22:14 PM

Manganese 89.2 0.10 mg/L 1 0 11/8/2013 11:22:14 PM

Nickel 1.64 0.10 mg/L 1 0 11/8/2013 11:22:14 PM

Selenium 1.89 0.20 mg/L 1 0 11/8/2013 11:22:14 PM

Silver < 0.050 0.050 mg/L 1 0 11/8/2013 11:22:14 PM

Zinc 1.51 0.10 mg/L 1 0 11/8/2013 11:22:14 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.35 0.02 mg/L 1 0 11/12/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 11/5/2013 6:20:00 PM

I.D. 56-00306 PA DEP

Page 4 of 6
Project: Keystone 611 M(a)

Client Sample ID: Plum Creek

Collection Date: 11/4/2013 7:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1311071

Lab ID: G1311071-003

DF

Geochemical Testing Date: 13-Nov-13

Received Date: 11/4/2013 4:28:08 PM

Laboratory Results

Sampled By: NRG

MCL

INORGANIC NON METALS SM 4500-CO2D Analyst: MBG

Bicarbonate 54 5 mg/L CaCO3 1 0 11/6/2013 1:02:00 PM

INORGANIC NON-METALS SM 4500-CO2 Analyst: MBG

Carbonate < 5 5 mg/L CaCO3 1 0 11/6/2013 1:02:00 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 362 20 mg/L 1 0 11/5/2013 2:53:15 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 10 10 mg/L 2 0 11/5/2013 2:52:25 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 54 5 mg/L CaCO3 1 0 11/6/2013 1:02:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.30 0.05 mg/L as N 1 0 11/4/2013 4:57:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 11/4/2013 4:57:00 PM

Nitrate - Nitrite 0.30 0.05 mg/L as N 1 0 11/4/2013 4:57:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 13 1 mg/L 1 0 11/4/2013 4:57:00 PM

Fluoride < 0.1 0.1 mg/L 1 0 11/4/2013 4:57:00 PM

Sulfate 41 2 mg/L 1 0 11/4/2013 4:57:00 PM

INORGANIC NON-METALS EPA 350.1 Analyst: SLY

Ammonia Nitrogen - Distilled < 0.10 0.10 mg/L as N 1 0 11/7/2013 10:25:14 AM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: MLR

Silica, total 3.2 0.20 mg/L 1 0 11/7/2013 5:03:00 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Barium 0.05 0.01 mg/L 1 0 11/6/2013 3:45:00 PM

Boron < 0.05 0.05 mg/L 1 0 11/6/2013 2:15:09 PM

Calcium 22.3 0.1 mg/L 1 0 11/6/2013 3:45:00 PM

Iron 0.38 0.05 mg/L 1 0 11/6/2013 3:45:00 PM

Magnesium 6.8 0.1 mg/L 1 0 11/6/2013 3:45:00 PM

Manganese 0.08 0.01 mg/L 1 0 11/6/2013 3:45:00 PM

Potassium 2.0 0.5 mg/L 1 0 11/6/2013 3:45:00 PM

Sodium 17.4 0.2 mg/L 1 0 11/6/2013 3:45:00 PM

Strontium 0.18 0.01 mg/L 1 0 11/6/2013 3:45:00 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: JDH

Total Organic Carbon 2.0 0.5 mg/L 1 0 11/6/2013 10:15:00 PM

I.D. 56-00306 PA DEP

Page 5 of 6
Project: Keystone 611 M(a)

Client Sample ID: Crooked Creek

Collection Date: 11/4/2013 7:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1311071

Lab ID: G1311071-004

DF

Geochemical Testing Date: 13-Nov-13

Received Date: 11/4/2013 4:28:08 PM

Laboratory Results

Sampled By: NRG

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 306 20 mg/L 1 0 11/5/2013 2:53:15 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 18 5 mg/L 1 11/5/2013 2:52:24 PM

INORGANIC NON-METALS ASTM D1067-06 Analyst: MBG

Alkalinity to pH 4.5 94 5 mg/L CaCO3 1 0 11/6/2013 1:11:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Nitrate Nitrogen 0.38 0.05 mg/L as N 1 0 11/4/2013 5:47:00 PM

Nitrite Nitrogen < 0.05 0.05 mg/L as N 1 0 11/4/2013 5:47:00 PM

Nitrate - Nitrite 0.38 0.05 mg/L as N 1 0 11/4/2013 5:47:00 PM

INORGANIC NON-METALS EPA 300.0 Analyst: MLR

Chloride 49 1 mg/L 1 0 11/4/2013 5:47:00 PM

Sulfate 79 2 mg/L 1 0 11/4/2013 5:47:00 PM

INORGANICS NON METALS SM 4500-SIO2 C Analyst: MLR

Silica, total 4.1 0.20 mg/L 1 0 11/7/2013 5:03:00 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Calcium 35.1 0.1 mg/L 1 0 11/6/2013 3:49:00 PM

Iron 1.45 0.05 mg/L 1 0 11/6/2013 3:49:00 PM

Magnesium 9.2 0.1 mg/L 1 0 11/6/2013 3:49:00 PM

Manganese 0.26 0.01 mg/L 1 0 11/6/2013 3:49:00 PM

Potassium 2.6 0.5 mg/L 1 0 11/6/2013 3:49:00 PM

Sodium 59.7 0.2 mg/L 1 0 11/6/2013 3:49:00 PM

INDICATOR ORGANIC PARAMETERS SM 20 5310-C Analyst: JDH

Total Organic Carbon 2.4 0.5 mg/L 1 0 11/7/2013 7:30:00 PM

I.D. 56-00306 PA DEP

Page 6 of 6
Monday, November 25, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1311429

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 11/11/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 25-Nov-13 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1311429

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 11/11/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1311429

Lab ID: G1311429-001

DF

Geochemical Testing Date: 25-Nov-13

Received Date: 11/11/2013 4:51:24 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 5 1 mg/L 1 10 11/12/2013 1:25:34 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24400 20 mg/L 1 0 11/12/2013 1:25:06 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 11/13/2013 6:30:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 14800 1000 mg/L 200 11/13/2013 1:08:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/13/2013 4:44:23 PM

Selenium, dissolved < 0.02 0.02 mg/L 1 0 11/13/2013 4:44:23 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury < 0.0002 0.0002 mg/L 1 0.004 11/14/2013 11:43:02 A

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 11/13/2013 4:41:49 PM

Arsenic < 0.02 0.02 mg/L 1 0 11/13/2013 4:41:49 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 11/13/2013 4:41:49 PM

Boron 343 2.50 mg/L 50 0 11/14/2013 11:16:58 A

Cadmium 0.002 0.002 mg/L 1 0 11/13/2013 4:41:49 PM

Chromium < 0.01 0.01 mg/L 1 0 11/13/2013 4:41:49 PM

Copper < 0.01 0.01 mg/L 1 0.1 11/13/2013 4:41:49 PM

Iron < 0.05 0.05 mg/L 1 0 11/13/2013 4:41:49 PM

Lead < 0.02 0.02 mg/L 1 0.1 11/13/2013 4:41:49 PM

Manganese 4.82 0.01 mg/L 1 0 11/13/2013 4:41:49 PM

Nickel 0.01 0.01 mg/L 1 0 11/13/2013 4:41:49 PM

Selenium < 0.02 0.02 mg/L 1 3.4 11/13/2013 4:41:49 PM

Silver < 0.005 0.005 mg/L 1 0.1 11/13/2013 4:41:49 PM

Zinc 0.06 0.01 mg/L 1 0 11/14/2013 11:19:32 A

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 11/18/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1.01 15 11/18/2013 4:08:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 11/11/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1311429

Lab ID: G1311429-002

DF

Geochemical Testing Date: 25-Nov-13

Received Date: 11/11/2013 4:51:24 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25100 100 mg/L 5 0 11/12/2013 1:25:06 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 4580 100 mg/L 20 0 11/12/2013 1:25:34 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 11 3 mg/L 3 0 11/13/2013 6:30:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15700 1000 mg/L 200 11/13/2013 1:08:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/13/2013 4:46:57 PM

Selenium, dissolved < 0.02 0.02 mg/L 1 0 11/13/2013 4:46:57 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury 0.414 0.100 mg/L 500 0 11/14/2013 11:44:38 A

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 145 1.0 mg/L 1 0 11/18/2013 9:13:00 PM

Arsenic 1.12 0.20 mg/L 1 0 11/18/2013 9:13:00 PM

Beryllium 0.018 0.010 mg/L 1 0 11/18/2013 9:13:00 PM

Boron 427 5.00 mg/L 10 0 11/21/2013 3:41:58 PM

Cadmium 0.026 0.020 mg/L 1 0 11/18/2013 9:13:00 PM

Chromium 1.42 0.10 mg/L 1 0 11/18/2013 9:13:00 PM

Copper 0.98 0.10 mg/L 1 0 11/18/2013 9:13:00 PM

Iron 552 0.50 mg/L 1 0 11/18/2013 9:13:00 PM

Lead 0.45 0.20 mg/L 1 0 11/18/2013 9:13:00 PM

Manganese 108 0.10 mg/L 1 0 11/18/2013 9:13:00 PM

Nickel 2.56 0.10 mg/L 1 0 11/18/2013 9:13:00 PM

Selenium 3.12 0.20 mg/L 1 0 11/18/2013 9:13:00 PM

Silver < 0.050 0.050 mg/L 1 0 11/18/2013 9:13:00 PM

Zinc 3.79 0.10 mg/L 1 0 11/18/2013 9:13:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.42 0.02 mg/L 1 0 11/19/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 11/18/2013 4:08:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, November 26, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1311722

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 11/18/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 26-Nov-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1311722

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 11/18/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1311722

Lab ID: G1311722-001

DF

Geochemical Testing Date: 26-Nov-13

Received Date: 11/18/2013 5:55:31 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 6 1 mg/L 1 10 11/19/2013 1:55:51 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 22300 100 mg/L 5 0 11/19/2013 1:53:43 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 11/20/2013 6:42:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14400 1000 mg/L 200 11/20/2013 12:54:00 P

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/21/2013 12:03:07 A

Selenium, dissolved < 0.02 0.02 mg/L 1 0 11/21/2013 12:03:07 A

INORGANIC METALS SM 3112B Analyst: RXS

Mercury < 0.0002 0.0002 mg/L 1 0.004 11/19/2013 3:10:53 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 11/21/2013 12:00:30 A

Arsenic < 0.02 0.02 mg/L 1 0 11/21/2013 12:00:30 A

Beryllium < 0.001 0.001 mg/L 1 0.8 11/21/2013 12:00:30 A

Boron 347 2.50 mg/L 50 0 11/21/2013 3:14:03 PM

Cadmium < 0.002 0.002 mg/L 1 0 11/21/2013 12:00:30 A

Chromium < 0.01 0.01 mg/L 1 0 11/21/2013 12:00:30 A

Copper < 0.01 0.01 mg/L 1 0.1 11/21/2013 12:00:30 A

Iron < 0.05 0.05 mg/L 1 0 11/21/2013 12:00:30 A

Lead < 0.02 0.02 mg/L 1 0.1 11/21/2013 12:00:30 A

Manganese 0.51 0.01 mg/L 1 0 11/21/2013 12:00:30 A

Nickel < 0.01 0.01 mg/L 1 0 11/21/2013 12:00:30 A

Selenium < 0.02 0.02 mg/L 1 3.4 11/21/2013 12:00:30 A

Silver < 0.005 0.005 mg/L 1 0.1 11/21/2013 12:00:30 A

Zinc 0.02 0.01 mg/L 1 0 11/21/2013 12:00:30 A

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 11/22/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1.02 15 11/21/2013 2:54:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 11/18/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1311722

Lab ID: G1311722-002

DF

Geochemical Testing Date: 26-Nov-13

Received Date: 11/18/2013 5:55:31 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23200 100 mg/L 5 0 11/19/2013 1:53:43 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 9890 100 mg/L 20 0 11/19/2013 1:55:49 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 5 3 mg/L 3 0 11/20/2013 6:42:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: HJC

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 11/18/2013 7:00:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 15700 1000 mg/L 200 11/20/2013 12:54:00 P

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 11/21/2013 12:05:43 A

Selenium, dissolved 0.04 0.02 mg/L 1 0 11/21/2013 12:05:43 A

INORGANIC METALS SM 3112B Analyst: RXS

Mercury 0.520 0.100 mg/L 500 0 11/19/2013 3:15:52 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 208 1.0 mg/L 1 0 11/19/2013 10:32:00 P

Arsenic 1.55 0.20 mg/L 1 0 11/19/2013 10:32:00 P

Beryllium 0.024 0.010 mg/L 1 0 11/19/2013 10:32:00 P

Boron 460 5.00 mg/L 10 0 11/20/2013 8:24:58 PM

Cadmium 0.025 0.020 mg/L 1 0 11/19/2013 10:32:00 P

Chromium 2.09 0.10 mg/L 1 0 11/19/2013 10:32:00 P

Copper 1.51 0.10 mg/L 1 0 11/19/2013 10:32:00 P

Iron 780 0.50 mg/L 1 0 11/19/2013 10:32:00 P

Lead 0.55 0.20 mg/L 1 0 11/19/2013 10:32:00 P

Manganese 104 0.10 mg/L 1 0 11/19/2013 10:32:00 P

Nickel 3.07 0.10 mg/L 1 0 11/19/2013 10:32:00 P

Selenium 4.01 0.20 mg/L 1 0 11/19/2013 10:32:00 P

Silver < 0.050 0.050 mg/L 1 0 11/19/2013 10:32:00 P

Zinc 3.85 0.10 mg/L 1 0 11/19/2013 10:32:00 P

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.09 0.02 mg/L 1 0 11/22/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 19 19 mg/L 3.7 0 11/21/2013 2:54:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, December 09, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1311A79

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 11/25/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 09-Dec-13 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1311A79

CASE NARRATIVE

Samples were not filtered in the field for dissolved metals; samples were lab filtered.

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 11/25/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1311A79

Lab ID: G1311A79-001

DF

Geochemical Testing Date: 09-Dec-13

Received Date: 11/25/2013 5:00:32 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1 1 mg/L 1 10 11/26/2013 3:08:49 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 25700 20 mg/L 1 0 11/26/2013 3:08:18 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 11/27/2013 6:13:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15300 1000 mg/L 200 11/29/2013 8:04:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/3/2013 5:24:20 PM

Selenium, dissolved < 0.02 0.02 mg/L 1 0 12/3/2013 5:24:20 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury < 0.0002 0.0002 mg/L 1 0.004 12/3/2013 9:06:15 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 12/3/2013 5:21:45 PM

Arsenic < 0.02 0.02 mg/L 1 0 12/3/2013 5:21:45 PM

Beryllium < 0.001 0.001 mg/L 1 0.8 12/3/2013 5:21:45 PM

Boron 336 2.50 mg/L 50 0 12/4/2013 2:55:02 PM

Cadmium < 0.002 0.002 mg/L 1 0 12/3/2013 5:21:45 PM

Chromium < 0.01 0.01 mg/L 1 0 12/3/2013 5:21:45 PM

Copper < 0.01 0.01 mg/L 1 0.1 12/4/2013 3:29:00 PM

Iron < 0.05 0.05 mg/L 1 0 12/3/2013 5:21:45 PM

Lead < 0.02 0.02 mg/L 1 0.1 12/3/2013 5:21:45 PM

Manganese 1.42 0.01 mg/L 1 0 12/3/2013 5:21:45 PM

Nickel < 0.01 0.01 mg/L 1 0 12/3/2013 5:21:45 PM

Selenium < 0.02 0.02 mg/L 1 3.4 12/3/2013 5:21:45 PM

Silver < 0.005 0.005 mg/L 1 0.1 12/3/2013 5:21:45 PM

Zinc 0.02 0.01 mg/L 1 0 12/3/2013 5:21:45 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 12/4/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1.02 15 11/29/2013 5:48:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 11/25/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1311A79

Lab ID: G1311A79-002

DF

Geochemical Testing Date: 09-Dec-13

Received Date: 11/25/2013 5:00:32 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23500 100 mg/L 5 0 11/26/2013 3:08:18 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 9920 100 mg/L 20 0 11/26/2013 3:08:50 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 7 3 mg/L 3 0 11/27/2013 6:13:00 AM

INORGANIC METALS USGS I-1230-85 Analyst: SEF

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 11/25/2013 5:47:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15100 1000 mg/L 200 11/29/2013 8:04:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.10 0.10 mg/L 2 0 12/5/2013 11:38:17 AM

Selenium, dissolved 0.38 0.04 mg/L 2 0 12/5/2013 11:38:17 AM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury 0.590 0.100 mg/L 500 0 12/3/2013 9:07:53 AM

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum 194 1.0 mg/L 1 0 11/29/2013 4:48:48 PM

Arsenic 1.37 0.20 mg/L 1 0 11/29/2013 4:48:48 PM

Beryllium 0.020 0.010 mg/L 1 0 11/29/2013 4:48:48 PM

Boron 427 0.50 mg/L 1 0 11/29/2013 4:48:48 PM

Cadmium 0.021 0.020 mg/L 1 0 11/29/2013 4:48:48 PM

Chromium 1.52 0.10 mg/L 1 0 11/29/2013 4:48:48 PM

Copper 1.29 0.10 mg/L 1 0 11/29/2013 4:48:48 PM

Iron 720 0.50 mg/L 1 0 11/29/2013 4:48:48 PM

Lead 0.51 0.20 mg/L 1 0 11/29/2013 4:48:48 PM

Manganese 118 0.10 mg/L 1 0 11/29/2013 4:48:48 PM

Nickel 2.16 0.10 mg/L 1 0 11/29/2013 4:48:48 PM

Selenium 3.06 0.20 mg/L 1 0 11/29/2013 4:48:48 PM

Silver < 0.050 0.050 mg/L 1 0 11/29/2013 4:48:48 PM

Zinc 3.07 0.10 mg/L 1 0 11/29/2013 4:48:48 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.52 0.02 mg/L 1 0 12/3/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 11/29/2013 5:49:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Thursday, December 12, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(a)

Order No.: G1312017

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 12/2/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 12-Dec-13 g

Project: Keystone 611 M(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1312017

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 M(a)

Client Sample ID: Outfall 101

Collection Date: 12/2/2013 10:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1312017

Lab ID: G1312017-001

DF

Geochemical Testing Date: 12-Dec-13

Received Date: 12/2/2013 4:28:57 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 8 1 mg/L 1 10 12/3/2013 1:55:20 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 23700 20 mg/L 1 0 12/3/2013 1:55:01 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 14 2 mg/L 1.5 25 12/4/2013 7:45:00 AM

NOTES:

J - Estimated value. The associated QC criteria were not satisfied for this analyte, the data may be biased high.

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14700 1000 mg/L 200 12/4/2013 9:28:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.10 0.10 mg/L 2 0 12/5/2013 7:02:32 PM

Selenium, dissolved 0.46 0.04 mg/L 2 0 12/5/2013 7:02:32 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury < 0.0002 0.0002 mg/L 1 0.004 12/9/2013 10:22:57 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.2 0.2 mg/L 2 0 12/5/2013 6:59:56 PM

Arsenic < 0.04 0.04 mg/L 2 0 12/5/2013 6:59:56 PM

Beryllium < 0.002 0.002 mg/L 2 0.8 12/5/2013 6:59:56 PM

Boron 324 5.00 mg/L 100 0 12/6/2013 1:29:08 PM

Cadmium < 0.004 0.004 mg/L 2 0 12/5/2013 6:59:56 PM

Chromium < 0.02 0.02 mg/L 2 0 12/5/2013 6:59:56 PM

Copper < 0.02 0.02 mg/L 2 0.1 12/5/2013 6:59:56 PM

Iron < 0.10 0.10 mg/L 2 0 12/5/2013 6:59:56 PM

Lead < 0.04 0.04 mg/L 2 0.1 12/5/2013 6:59:56 PM

Manganese 2.68 0.02 mg/L 2 0 12/5/2013 6:59:56 PM

Nickel < 0.02 0.02 mg/L 2 0 12/5/2013 6:59:56 PM

Selenium 0.45 0.04 mg/L 2 3.4 12/5/2013 6:59:56 PM

Silver < 0.010 0.010 mg/L 2 0.1 12/5/2013 6:59:56 PM

Zinc < 0.02 0.02 mg/L 2 0 12/5/2013 6:59:56 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 12/6/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1 15 12/5/2013 2:21:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 M(a)

Client Sample ID: FGD Influent

Collection Date: 12/2/2013 10:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1312017

Lab ID: G1312017-002

DF

Geochemical Testing Date: 12-Dec-13

Received Date: 12/2/2013 4:28:57 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24000 100 mg/L 5 0 12/3/2013 1:55:01 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 27500 200 mg/L 40 0 12/3/2013 1:55:19 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 18 3 mg/L 3 0 12/4/2013 7:45:00 AM

NOTES:

J - Estimated value. The associated QC criteria were not satisfied for this analyte, the data may be biased high.

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 12600 1000 mg/L 200 12/4/2013 9:28:00 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.10 0.10 mg/L 2 0 12/5/2013 10:27:45 PM

Selenium, dissolved 0.31 0.04 mg/L 2 0 12/5/2013 10:27:45 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury 0.650 0.100 mg/L 500 0 12/9/2013 10:24:35 AM

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum 247 1.0 mg/L 1 0 12/10/2013 9:30:37 PM

Arsenic 1.23 0.20 mg/L 1 0 12/10/2013 9:30:37 PM

Beryllium 0.024 0.010 mg/L 1 0 12/10/2013 9:30:37 PM

Boron 386 5.00 mg/L 10 0 12/11/2013 2:08:06 PM

Cadmium < 0.020 0.020 mg/L 1 0 12/10/2013 9:30:37 PM

Chromium 2.20 0.10 mg/L 1 0 12/10/2013 9:30:37 PM

Copper 1.43 0.10 mg/L 1 0 12/10/2013 9:30:37 PM

Iron 1060 0.50 mg/L 1 0 12/10/2013 9:30:37 PM

Lead 0.64 0.20 mg/L 1 0 12/10/2013 9:30:37 PM

Manganese 136 0.10 mg/L 1 0 12/10/2013 9:30:37 PM

Nickel 2.68 0.10 mg/L 1 0 12/10/2013 9:30:37 PM

Selenium 3.39 0.20 mg/L 1 0 12/10/2013 9:30:37 PM

Silver < 0.050 0.050 mg/L 1 0 12/10/2013 9:30:37 PM

Zinc 3.16 0.10 mg/L 1 0 12/10/2013 9:30:37 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.20 0.02 mg/L 1 0 12/11/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 19 19 mg/L 3.7 0 12/5/2013 2:22:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Monday, December 23, 2013

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 M(b)

Order No.: G1312344

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 3 sample(s) on 12/9/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 5
Geochemical Testin Date: 23-Dec-13 g

Project: Keystone 611 M(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1312344

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 5
Project: Keystone 611 M(b)

Client Sample ID: Outfall 101

Collection Date: 12/9/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1312344

Lab ID: G1312344-001

DF

Geochemical Testing Date: 23-Dec-13

Received Date: 12/9/2013 4:24:37 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 7 1 mg/L 1 10 12/10/2013 1:52:08 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 27700 20 mg/L 1 0 12/10/2013 1:52:50 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 2 2 mg/L 1.5 25 12/11/2013 6:37:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 15600 1000 mg/L 200 12/10/2013 1:22:00 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/11/2013 11:28:09 P

Selenium, dissolved 0.19 0.02 mg/L 1 0 12/11/2013 11:28:09 P

INORGANIC METALS SM 3112B Analyst: RXS

Mercury < 0.0002 0.0002 mg/L 1 0.004 12/12/2013 9:47:41 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.1 0.1 mg/L 1 0 12/11/2013 11:25:33 P

Arsenic < 0.02 0.02 mg/L 1 0 12/11/2013 11:25:33 P

Beryllium < 0.001 0.001 mg/L 1 0.8 12/11/2013 11:25:33 P

Boron 337 2.50 mg/L 50 0 12/17/2013 4:12:41 PM

Cadmium < 0.002 0.002 mg/L 1 0 12/11/2013 11:25:33 P

Chromium < 0.01 0.01 mg/L 1 0 12/11/2013 11:25:33 P

Copper < 0.01 0.01 mg/L 1 0.1 12/11/2013 11:25:33 P

Iron < 0.05 0.05 mg/L 1 0 12/11/2013 11:25:33 P

Lead < 0.02 0.02 mg/L 1 0.1 12/11/2013 11:25:33 P

Manganese 2.20 0.01 mg/L 1 0 12/11/2013 11:25:33 P

Nickel < 0.01 0.01 mg/L 1 0 12/11/2013 11:25:33 P

Selenium 0.21 0.02 mg/L 1 3.4 12/11/2013 11:25:33 P

Silver < 0.005 0.005 mg/L 1 0.1 12/11/2013 11:25:33 P

Zinc < 0.01 0.01 mg/L 1 0 12/11/2013 11:25:33 P

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 12/12/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1.02 15 12/16/2013 5:42:00 PM

I.D. 56-00306 PA DEP

Page 3 of 5
Project: Keystone 611 M(b)

Client Sample ID: FGD Influent

Collection Date: 12/9/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1312344

Lab ID: G1312344-002

DF

Geochemical Testing Date: 23-Dec-13

Received Date: 12/9/2013 4:24:37 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 22600 100 mg/L 5 0 12/10/2013 1:52:50 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 11500 100 mg/L 20 0 12/10/2013 1:52:09 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 5 2 mg/L 1.5 0 12/11/2013 6:37:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 16200 1000 mg/L 200 12/10/2013 1:22:00 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.10 0.10 mg/L 2 0 12/12/2013 9:05:11 PM

Selenium, dissolved 0.56 0.04 mg/L 2 0 12/12/2013 9:05:11 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury 0.288 0.100 mg/L 500 0 12/12/2013 9:52:39 AM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 185 1.0 mg/L 1 0 12/11/2013 4:19:16 PM

Arsenic 1.09 0.20 mg/L 1 0 12/11/2013 4:19:16 PM

Beryllium 0.015 0.010 mg/L 1 0 12/11/2013 4:19:16 PM

Boron 474 5.00 mg/L 10 0 12/12/2013 1:06:54 PM

Cadmium < 0.020 0.020 mg/L 1 0 12/11/2013 4:19:16 PM

Chromium 1.25 0.10 mg/L 1 0 12/11/2013 4:19:16 PM

Copper 0.94 0.10 mg/L 1 0 12/11/2013 4:19:16 PM

Iron 634 0.50 mg/L 1 0 12/11/2013 4:19:16 PM

Lead 0.47 0.20 mg/L 1 0 12/11/2013 4:19:16 PM

Manganese 141 0.10 mg/L 1 0 12/11/2013 4:19:16 PM

Nickel 2.01 0.10 mg/L 1 0 12/11/2013 4:19:16 PM

Selenium 2.34 0.20 mg/L 1 0 12/11/2013 4:19:16 PM

Silver < 0.050 0.050 mg/L 1 0 12/11/2013 4:19:16 PM

Zinc 2.16 0.10 mg/L 1 0 12/11/2013 4:19:16 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 1.25 0.02 mg/L 1 0 12/12/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 19 19 mg/L 3.7 0 12/17/2013 4:55:00 PM

I.D. 56-00306 PA DEP

Page 4 of 5
Project: Keystone 611 M(b)

Client Sample ID: Outfall 106

Collection Date: 12/9/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1312344

Lab ID: G1312344-003

DF

Geochemical Testing Date: 23-Dec-13

Received Date: 12/9/2013 4:24:37 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids < 5 5 mg/L 1 30 12/10/2013 1:52:11 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 0.1 0.1 mg/L 1 0 12/11/2013 11:35:56 P

Chromium < 0.01 0.01 mg/L 1 0 12/11/2013 11:35:56 P

Iron 0.24 0.05 mg/L 1 0 12/11/2013 11:35:56 P

Manganese 0.07 0.01 mg/L 1 0 12/11/2013 11:35:56 P

Nickel < 0.01 0.01 mg/L 1 0 12/11/2013 11:35:56 P

Titanium 0.006 0.005 mg/L 1 0 12/11/2013 11:35:56 P

Zinc 0.01 0.01 mg/L 1 0 12/11/2013 11:35:56 P

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1.01 15 12/17/2013 4:56:00 PM

I.D. 56-00306 PA DEP

Page 5 of 5
Friday, January 03, 2014

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(b)

Order No.: G1312669

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 12/16/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 03-Jan-14 g

Project: Keystone 611 Q(b)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1312669

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 Q(b)

Client Sample ID: Outfall 101

Collection Date: 12/16/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1312669

Lab ID: G1312669-001

DF

Geochemical Testing Date: 03-Jan-14

Received Date: 12/16/2013 4:30:03 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 1 1 mg/L 1 10 12/17/2013 1:07:19 PM

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24300 20 mg/L 1 0 12/17/2013 1:06:44 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 12/18/2013 7:42:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 14200 1000 mg/L 200 12/17/2013 11:48:00 A

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.10 0.10 mg/L 2 0 12/17/2013 8:37:47 PM

Selenium, dissolved < 0.04 0.04 mg/L 2 0 12/17/2013 8:37:47 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury < 0.0002 0.0002 mg/L 1 0.004 12/17/2013 12:25:43 P

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum < 0.2 0.2 mg/L 2 0 12/17/2013 8:35:11 PM

Arsenic < 0.04 0.04 mg/L 2 0 12/17/2013 8:35:11 PM

Beryllium < 0.002 0.002 mg/L 2 0.8 12/17/2013 8:35:11 PM

Boron 347 5.00 mg/L 100 0 12/18/2013 1:19:00 PM

Cadmium < 0.004 0.004 mg/L 2 0 12/17/2013 8:35:11 PM

Chromium < 0.02 0.02 mg/L 2 0 12/17/2013 8:35:11 PM

Copper < 0.02 0.02 mg/L 2 0.1 12/17/2013 8:35:11 PM

Iron < 0.10 0.10 mg/L 2 0 12/17/2013 8:35:11 PM

Lead < 0.04 0.04 mg/L 2 0.1 12/17/2013 8:35:11 PM

Manganese 5.47 0.02 mg/L 2 0 12/17/2013 8:35:11 PM

Nickel < 0.02 0.02 mg/L 2 0 12/17/2013 8:35:11 PM

Selenium < 0.04 0.04 mg/L 2 3.4 12/17/2013 8:35:11 PM

Silver < 0.010 0.010 mg/L 2 0.1 12/17/2013 8:35:11 PM

Zinc < 0.02 0.02 mg/L 2 0 12/17/2013 8:35:11 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 12/19/2013

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 5 5 mg/L 1 15 12/24/2013 12:18:00 P

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 Q(b)

Client Sample ID: FGD Influent

Collection Date: 12/16/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1312669

Lab ID: G1312669-002

DF

Geochemical Testing Date: 03-Jan-14

Received Date: 12/16/2013 4:30:03 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: KLS

Total dissolved solids 24600 100 mg/L 5 0 12/17/2013 1:06:43 PM

PHYSICAL TESTS SM 2540D Analyst: KLS

Total suspended solids 12700 100 mg/L 20 0 12/17/2013 1:07:20 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 11 3 mg/L 3 0 12/18/2013 7:42:00 AM

INORGANIC NON-METALS USGS I-1187-85 Analyst: CLS

Chloride 16000 1000 mg/L 200 12/17/2013 11:48:00 A

INORGANIC METALS EPA 200.7 Analyst: GMG

Iron, dissolved < 0.10 0.10 mg/L 2 0 12/17/2013 8:40:23 PM

Selenium, dissolved 0.38 0.04 mg/L 2 0 12/17/2013 8:40:23 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury 0.735 0.100 mg/L 500 0 12/17/2013 12:30:39 P

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 361 1.0 mg/L 1 0 12/19/2013 9:32:17 PM

Arsenic 2.25 0.20 mg/L 1 0 12/19/2013 9:32:17 PM

Beryllium 0.034 0.010 mg/L 1 0 12/19/2013 9:32:17 PM

Boron 455 5.00 mg/L 10 0 12/20/2013 4:56:02 PM

Cadmium 0.032 0.020 mg/L 1 0 12/19/2013 9:32:17 PM

Chromium 2.66 0.10 mg/L 1 0 12/19/2013 9:32:17 PM

Copper 2.06 0.10 mg/L 1 0 12/19/2013 9:32:17 PM

Iron 1320 0.50 mg/L 1 0 12/19/2013 9:32:17 PM

Lead 0.87 0.20 mg/L 1 0 12/19/2013 9:32:17 PM

Manganese 153 0.10 mg/L 1 0 12/19/2013 9:32:17 PM

Nickel 3.03 0.10 mg/L 1 0 12/19/2013 9:32:17 PM

Selenium 4.23 0.20 mg/L 1 0 12/19/2013 9:32:17 PM

Silver < 0.050 0.050 mg/L 1 0 12/19/2013 9:32:17 PM

Zinc 4.32 0.10 mg/L 1 0 12/19/2013 9:32:17 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.66 0.02 mg/L 1 0 1/4/2014

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: NEL

Oil & Grease < 18 18 mg/L 3.57 0 12/24/2013 12:19:00 P

I.D. 56-00306 PA DEP

Page 4 of 4
Tuesday, January 07, 2014

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 W

Order No.: G1312986

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 12/23/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 07-Jan-14 g

Project: Keystone 611 W

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1312986

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 W

Client Sample ID: Outfall 101

Collection Date: 12/23/2013 9:15:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1312986

Lab ID: G1312986-001

DF

Geochemical Testing Date: 07-Jan-14

Received Date: 12/23/2013 6:03:05 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 1 1 mg/L 1 10 12/24/2013 2:43:47 PM

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 25600 20 mg/L 1 0 12/24/2013 2:45:53 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: HJC

BOD 5-day < 2 2 mg/L 1.5 25 12/24/2013 11:15:00 A

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 12600 1000 mg/L 200 12/30/2013 2:41:00 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.05 0.05 mg/L 1 0 12/30/2013 5:48:01 PM

Selenium, dissolved < 0.02 0.02 mg/L 1 0 12/30/2013 5:48:01 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury < 0.0002 0.0002 mg/L 1 0.004 12/31/2013 12:23:20 P

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum < 0.2 0.2 mg/L 2 0 12/30/2013 5:45:26 PM

Arsenic < 0.04 0.04 mg/L 2 0 12/30/2013 5:45:26 PM

Beryllium < 0.002 0.002 mg/L 2 0.8 12/30/2013 5:45:26 PM

Boron 286 5.00 mg/L 100 0 12/31/2013 5:47:19 PM

Cadmium < 0.004 0.004 mg/L 2 0 1/6/2014 9:07:00 AM

Chromium < 0.02 0.02 mg/L 2 0 12/30/2013 5:45:26 PM

Copper < 0.02 0.02 mg/L 2 0.1 12/30/2013 5:45:26 PM

Iron < 0.10 0.10 mg/L 2 0 12/30/2013 5:45:26 PM

Lead < 0.04 0.04 mg/L 2 0.1 12/30/2013 5:45:26 PM

Manganese 1.78 0.02 mg/L 2 0 12/30/2013 5:45:26 PM

Nickel < 0.02 0.02 mg/L 2 0 12/30/2013 5:45:26 PM

Selenium < 0.04 0.04 mg/L 2 3.4 12/30/2013 5:45:26 PM

Silver < 0.010 0.010 mg/L 2 0.1 12/30/2013 5:45:26 PM

Zinc 0.03 0.02 mg/L 2 0 12/30/2013 5:45:26 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/4/2014

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1.01 15 12/30/2013 5:57:00 PM

I.D. 56-00306 PA DEP

Page 3 of 4
Project: Keystone 611 W

Client Sample ID: FGD Influent

Collection Date: 12/23/2013 9:00:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1312986

Lab ID: G1312986-002

DF

Geochemical Testing Date: 07-Jan-14

Received Date: 12/23/2013 6:03:05 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: GMG

Total dissolved solids 26800 100 mg/L 5 0 12/24/2013 2:45:54 PM

PHYSICAL TESTS SM 2540D Analyst: GMG

Total suspended solids 2800 200 mg/L 40 0 12/24/2013 2:43:46 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: HJC

BOD 5-day 4 2 mg/L 1.5 0 12/24/2013 11:15:00 A

INORGANIC METALS USGS I-1230-85 Analyst: SAG

Hexavalent Chromium < 0.020 0.020 mg/L 1 0 12/23/2013 6:48:00 PM

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 14000 1000 mg/L 200 12/30/2013 2:41:00 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.10 0.10 mg/L 2 0 12/30/2013 5:50:36 PM

Selenium, dissolved 0.49 0.04 mg/L 2 0 12/30/2013 5:50:36 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury 0.126 0.100 mg/L 500 0 12/31/2013 12:24:56 P

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum 74.9 1.0 mg/L 1 0 12/26/2013 8:21:06 PM

Arsenic 0.41 0.20 mg/L 1 0 12/26/2013 8:21:06 PM

Beryllium < 0.010 0.010 mg/L 1 0 12/26/2013 8:21:06 PM

Boron 400 0.50 mg/L 1 0 12/26/2013 8:21:06 PM

Cadmium 0.031 0.020 mg/L 1 0 12/30/2013 10:26:31 A

Chromium 0.43 0.10 mg/L 1 0 12/26/2013 8:21:06 PM

Copper 0.51 0.10 mg/L 1 0 12/26/2013 8:21:06 PM

Iron 242 0.50 mg/L 1 0 12/26/2013 8:21:06 PM

Lead 0.25 0.20 mg/L 1 0 12/26/2013 8:21:06 PM

Manganese 145 0.10 mg/L 1 0 12/26/2013 8:21:06 PM

Nickel 1.56 0.10 mg/L 1 0 12/26/2013 8:21:06 PM

Selenium 1.28 0.20 mg/L 1 0 12/26/2013 8:21:06 PM

Silver < 0.050 0.050 mg/L 1 0 12/26/2013 8:21:06 PM

Zinc 1.34 0.10 mg/L 1 0 12/26/2013 8:21:06 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 0.42 0.02 mg/L 1 0 1/4/2014

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 12/30/2013 5:57:00 PM

I.D. 56-00306 PA DEP

Page 4 of 4
Friday, January 10, 2014

GenOn ENERGY INC. - KEYSTONE STATION

Mark Jacklin

Dear Mark Jacklin:

RE: Keystone 611 Q(a)

Order No.: G1312B09

KEYSTONE STATION

313 KEYSTONE DRIVE

SHELOCTA, PA 15774-7625

2005 N. Center Ave.

Somerset, PA 15501

814/443-1671

814/445-6666

FAX: 814/445-6729

Geochemical Testing received 2 sample(s) on 12/30/2013 for the analyses presented in the 

following report.

Leslie A. Nemeth

There were no problems with the analyses and all QC data met NELAC, EPA, and laboratory 

specifications except where noted in the Case Narrative or Laboratory Results. 

If you have any questions regarding these tests results, please feel free to call.

Sincerely,

Project Manager

Timothy W. Bergstresser

Director of Technical Services

Page 1 of 4
Geochemical Testin Date: 10-Jan-14 g

Project: Keystone 611 Q(a)

CLIENT: GenOn ENERGY INC. - KEYSTONE STA

Lab Order: G1312B09

CASE NARRATIVE

No problems were encountered during analysis of this workorder, except if noted in this report.

Legend: 

J - Indicates an estimated value.

B - Analyte detected in the associated Method Blank

S - Spike Recovery outside accepted recovery limits

R - RPD outside accepted recovery limits

ND - Not Detected at the Quantitation Limit

E - Value above quantitation range

I.D. 56-00306 PA DEP

** - Value exceeds Action Limit

U - The analyte was not detected at or above the listed 

concentration, which is below the laboratory quantitation limit.

H - Method Hold Time Exceeded

Q - Qualifier DF - Dilution Factor QL -Quantitation Limit MCL - Contaminant Limit

Page 2 of 4
Project: Keystone 611 Q(a)

Client Sample ID: Outfall 101

Collection Date: 12/30/2013 9:45:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1312B09

Lab ID: G1312B09-001

DF

Geochemical Testing Date: 10-Jan-14

Received Date: 12/30/2013 6:11:48 PM

Laboratory Results

Sampled By: NRG

MCL

PHYSICAL TESTS SM 2540D Analyst: MBG

Total suspended solids < 1 1 mg/L 1 10 12/31/2013 3:54:49 PM

INORGANIC NON-METALS SM 2540 C Analyst: MBG

Total dissolved solids 22000 100 mg/L 5 0 12/31/2013 3:49:43 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day < 2 2 mg/L 1.5 25 12/31/2013 12:00:00 P

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 13500 1000 mg/L 200 1/6/2014 2:17:00 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.10 0.10 mg/L 2 0 12/31/2013 7:40:25 PM

Selenium, dissolved < 0.04 0.04 mg/L 2 0 12/31/2013 7:40:25 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury < 0.0002 0.0002 mg/L 1 0.004 12/31/2013 1:51:28 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Aluminum < 0.2 0.2 mg/L 2 0 12/31/2013 7:37:49 PM

Arsenic < 0.04 0.04 mg/L 2 0 12/31/2013 7:37:49 PM

Beryllium < 0.002 0.002 mg/L 2 0.8 12/31/2013 7:37:49 PM

Boron 281 5.00 mg/L 100 0 1/2/2014 11:53:32 AM

Cadmium < 0.004 0.004 mg/L 2 0 12/31/2013 7:37:49 PM

Chromium < 0.02 0.02 mg/L 2 0 12/31/2013 7:37:49 PM

Copper < 0.02 0.02 mg/L 2 0.1 12/31/2013 7:37:49 PM

Iron < 0.10 0.10 mg/L 2 0 12/31/2013 7:37:49 PM

Lead < 0.04 0.04 mg/L 2 0.1 12/31/2013 7:37:49 PM

Manganese 3.33 0.02 mg/L 2 0 12/31/2013 7:37:49 PM

Nickel < 0.02 0.02 mg/L 2 0 12/31/2013 7:37:49 PM

Selenium < 0.04 0.04 mg/L 2 3.4 12/31/2013 7:37:49 PM

Silver < 0.010 0.010 mg/L 2 0.1 12/31/2013 7:37:49 PM

Zinc < 0.02 0.02 mg/L 2 0 12/31/2013 7:37:49 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium < 0.02 0.02 mg/L 1 0 1/4/2014

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 5 5 mg/L 1.01 15 1/2/2014 5:34:00 PM

I.D. 56-00306 PA DEP

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Project: Keystone 611 Q(a)

Client Sample ID: FGD Influent

Collection Date: 12/30/2013 9:30:00 AM

Matrix: AQUEOUS

Analyses Result QL Q Units Date Analyzed

CLIENT: GenOn ENERGY INC. - KEYSTONE STATION

Lab Order: G1312B09

Lab ID: G1312B09-002

DF

Geochemical Testing Date: 10-Jan-14

Received Date: 12/30/2013 6:11:48 PM

Laboratory Results

Sampled By: NRG

IWT Influent Special

MCL

INORGANIC NON-METALS SM 2540 C Analyst: MBG

Total dissolved solids 21800 100 mg/L 5 0 12/31/2013 3:49:43 PM

PHYSICAL TESTS SM 2540D Analyst: MBG

Total suspended solids 20300 100 mg/L 20 0 12/31/2013 3:54:46 PM

INDICATOR ORGANIC PARAMETERS SM 5210 B Analyst: MMR

BOD 5-day 10 3 mg/L 3 0 12/31/2013 12:00:00 P

INORGANIC NON-METALS USGS I-1187-85 Analyst: SEF

Chloride 12600 1000 mg/L 200 1/6/2014 2:17:00 PM

INORGANIC METALS EPA 200.7 Analyst: JEK

Iron, dissolved < 0.10 0.10 mg/L 2 0 12/31/2013 7:43:02 PM

Selenium, dissolved 0.25 0.04 mg/L 2 0 12/31/2013 7:43:02 PM

INORGANIC METALS SM 3112B Analyst: RXS

Mercury 0.0155 0.0010 mg/L 5 0 12/31/2013 3:59:41 PM

INORGANIC METALS EPA 200.7 Analyst: GMG

Aluminum 456 1.0 mg/L 1 0 1/3/2014 1:25:00 PM

Arsenic 3.38 0.20 mg/L 1 0 1/3/2014 1:25:00 PM

Beryllium 0.040 0.010 mg/L 1 0 1/3/2014 1:25:00 PM

Boron 390 0.50 mg/L 1 0 1/3/2014 1:25:00 PM

Cadmium 0.035 0.020 mg/L 1 0 1/3/2014 1:25:00 PM

Chromium 2.67 0.10 mg/L 1 0 1/3/2014 1:25:00 PM

Copper 1.85 0.10 mg/L 1 0 1/3/2014 1:25:00 PM

Iron 1160 0.50 mg/L 1 0 1/3/2014 1:25:00 PM

Lead 0.83 0.20 mg/L 1 0 1/3/2014 1:25:00 PM

Manganese 131 0.10 mg/L 1 0 1/3/2014 1:25:00 PM

Nickel 2.92 0.10 mg/L 1 0 1/3/2014 1:25:00 PM

Selenium 4.59 0.20 mg/L 1 0 1/3/2014 1:25:00 PM

Silver < 0.050 0.050 mg/L 1 0 1/3/2014 1:25:00 PM

Zinc 4.21 0.10 mg/L 1 0 1/3/2014 1:25:00 PM

TRIVALENT CHROMIUM EPA 200.7/I-1230-85 Analyst: LAN

Trivalent Chromium 2.67 0.02 mg/L 1 0 1/9/2014

INDICATOR ORGANIC PARAMETERS EPA 1664 Analyst: MCO

Oil & Grease < 18 18 mg/L 3.57 0 1/2/2014 5:34:00 PM

I.D. 56-00306 PA DEP

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