### Name: Matt E. Greek

Title: Vice President Company: RRI Energy Sign Date: Name: Carl Vineyard Title: P.E., QSTI, Test Engineer Company: Grace Consulting, Inc. Sign Date: Permitted Facility Representative / Date Testing Company Representative / Date 

## RRI Energy - Seward Final Test Report for

/ / Based on information and belief formed after reasonable inquiry, I certify that the statements and information in this test report are true, accurate, and complete. I have reviewed all testing details and results in this test report and hereby certify that the test report is authentic and accurate.

Monday, February 14, 2011 Page 1 of 28

### RRI Energy - Seward

Facility Information:

Seward Common Stack

595 Plant Road

New Florence PA 15944
Contact: Shaun Stenlake

Phone: 570-897-2140

Fax: 570-897-2110

Email: sstenlake@rrienergy.com Testing Company:
Grace Consulting, Inc.

510 Dickson Street

Wellington OH 44090
Contact: Carl Vineyard

Phone: 440-647-6672

Fax: 440-647-6673

Email: carlvineyard@gcitest.com

Air Permit Number:
32-00040 Permitted Source ID/Name: RRI Energy - Seward Seward

Permitted Maximum Process Rate:
3100 Max. Normal Operation Process Rate:
2532 Target Process Test Rate
2532

Description of the source (including control equipment). Please see the attachments for source or process flow diagram:
An Upstream, Downstream diagram is attached. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 4206300004 FRS #: 110006623519

SCC / Description 10100218 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Atmospheric Fluidized Bed Combustion: Circulating Bed (Bitum. Coal)

The following state and federal regulations that apply to the proposed testing:

Location Round

Duct Diam. Distance from upstream dist. Distance from

downstream dist. Number of

Traverse Ports Equiv. Diam Min.Travers Points Rect. Duct Length /Width

Unit 1 Stack 207 5160 540 4 0 24 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location

Carbon Monoxide Method 10 3 120 0 Unit 1 Stack Total organic compounds

(TOC) Method 25A 3 120 0 Unit 1 Stack

Hydrogen Fluoride Method 26A 3 180 0 Unit 1 Stack Hydrogen Chloride Method 26A 3 180 0 Unit 1 Stack Filterable Particulate OTM - 27/28 3 390 0 Unit 1 Stack Filterable PM2.5 OTM - 27/28 3 390 0 Unit 1 Stack



### Monday, February 14, 2011 Page 2 of 28

### RRI Energy - Seward

The following describes any modifications and/or deviations to the applicable test methods. If alternative methods were requested, see the attachments for documentation of request AND approval, including dates.
See EPA Correspondence in attachments, OTM27/RM316

Inorganic (Aqueous) Condensible Part. OTM - 27/28 3 390 0 Unit 1 Stack

Organic Condensible

Particulate OTM - 27/28 3 390 0 Unit 1 Stack

Total Particulate OTM - 27/28 3 390 0 Unit 1 Stack Total PM2.5 OTM - 27/28 3 390 0 Unit 1 Stack Cobalt Method 29 3 240 0 Unit 1 Stack Antimony Method 29 3 240 0 Unit 1 Stack Arsenic Method 29 3 240 0 Unit 1 Stack Beryllium Method 29 3 240 0 Unit 1 Stack Chromium Method 29 3 240 0 Unit 1 Stack Lead Method 29 3 240 0 Unit 1 Stack Manganese Method 29 3 240 0 Unit 1 Stack
Nickel Method 29 3 240 0 Unit 1 Stack Phosphorus (yellow or white) Method 29 3 240 0 Unit 1 Stack Selenium Method 29 3 240 0 Unit 1 Stack Cadmium Method 29 3 240 0 Unit 1 Stack
O2 Method 3A O2 3 180 0 Unit 1 Stack
Co2 Method 3A CO2 3 180 0 Unit 1 Stack
Sulfur Dioxide Method 6C 3 180 0 Unit 1 Stack Nitrogen oxides (NOx) Method 7E 3 180 0 Unit 1 Stack



### Monday, February 14, 2011 Page 3 of 28

### RRI Energy - Seward

Sampling / Stack Data Results Summary



### Location Unit 1 Stack - Method 10
Average

Run Number

Test Date

Run Start Time

Run Finish Time
Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm
F-Factor, dscfm/MMBtu @ %O2
Moisture, % Fuel Type

Fw

Fc



### Location Unit 1 Stack - Method 25A
Average
Run Number

Test Date

Run Start Time

Run Finish Time
Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm
F-Factor, dscfm/MMBtu @ %O2
Moisture, % Fuel Type

Fw

Fc



### Monday, February 14, 2011 Page 4 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 26A
Average
Run Number 26a-1 26A-2 26A-3

Test Date 3/22/2010 3/23/2010 3/23/2010

Run Start Time 3:10:00 PM 7:45:00 AM 11:10:00 AM

Run Finish Time 6:20:30 PM 10:55:30 AM 2:21:30 PM

Net Run Time, minutes 180 180 180 Dry Gas Meter Volume Sampled, dscf 81.759 82.621 83.592 82.657
Moisture Content of Stack Gas, % 10.18 10.19 11.62 10.663 Moisture Saturation at Stack Gas Temperature, % 63.76 61.72 60.11 61.863
Carbon Dioxide, % 14.5 14.8 14.7 14.667 Oxygen, % 5.3 5.3 5.4 5.333 Average Stack Gas Temperature, °F 187.33 186.46 185.25 186.347 Dry Volumetric Flow Rate, dry scfm 1,205,100.0 1,201,185.2 1,199,538.2 1,201,941.13 3
Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,750,824.4 1,719,134.0 1,741,289.2 1,737,082.53 3 Percent Isokinetic of Sampling Rate, % 100.1 101.5 102.9 101.500
F-Factor, dscfm/MMBtu @ %O2 10113 10070 10064 10,082.333

Fw 11321 11293 11292 11,302.000

Fc 1884 1861 1853 1,866.000



### Monday, February 14, 2011 Page 5 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 29
Average
Run Number

Test Date

Run Start Time

Run Finish Time
Net Run Time, minutes Dry Gas Meter Volume Sampled, dscf
Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, %
Carbon Dioxide, % Oxygen, % Average Stack Gas Temperature, °F Dry Volumetric Flow Rate, dry scfm
Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, %
F-Factor, dscfm/MMBtu @ %O2

Fw

Fc



### Location Unit 1 Stack - Method 3A CO2
Average
Run Number

Test Date

Run Start Time

Run Finish Time
Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm
F-Factor, dscfm/MMBtu @ %O2
Moisture, % Fuel Type

Fw

Fc



### Monday, February 14, 2011 Page 6 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 3A CO2 3
Average
Run Number

Test Date

Run Start Time

Run Finish Time
Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm
F-Factor, dscfm/MMBtu @ %O2
Moisture, % Fuel Type

Fw

Fc



### Location Unit 1 Stack - Method 3A CO2 3 6
Average

Run Number

Test Date

Run Start Time

Run Finish Time
Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm
F-Factor, dscfm/MMBtu @ %O2
Moisture, % Fuel Type

Fw

Fc



### Monday, February 14, 2011 Page 7 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 3A O2
Average
Run Number

Test Date

Run Start Time

Run Finish Time
Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm
F-Factor, dscfm/MMBtu @ %O2
Moisture, % Fuel Type

Fw

Fc



### Location Unit 1 Stack - Method 3A O2 3
Average

Run Number

Test Date

Run Start Time

Run Finish Time
Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm
F-Factor, dscfm/MMBtu @ %O2
Moisture, % Fuel Type

Fw

Fc



### Monday, February 14, 2011 Page 8 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 3A O2 3 6
Average
Run Number

Test Date

Run Start Time

Run Finish Time
Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm
F-Factor, dscfm/MMBtu @ %O2
Moisture, % Fuel Type

Fw

Fc



### Location Unit 1 Stack - Method 6C
Average

Run Number

Test Date

Run Start Time

Run Finish Time
Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm
F-Factor, dscfm/MMBtu @ %O2
Moisture, % Fuel Type

Fw

Fc



### Monday, February 14, 2011 Page 9 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 7E
Average
Run Number

Test Date

Run Start Time

Run Finish Time
Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm
F-Factor, dscfm/MMBtu @ %O2
Moisture, % Fuel Type

Fw

Fc



### Location Unit 1 Stack - OTM - 27/28
Average

Run Number

Test Date

Run Start Time

Run Finish Time
Net Run Time, minutes Dry Gas Meter Volume Sampled, dscf
Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, %
Carbon Dioxide, % Oxygen, % Average Stack Gas Temperature, °F Dry Volumetric Flow Rate, dry scfm
Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, %
F-Factor, dscfm/MMBtu @ %O2

Fw

Fc



### Monday, February 14, 2011 Page 10 of 28

### RRI Energy - Seward

Emissions Summary



### Location: Unit 1 Stack - Method 10 Compound: Carbon Monoxide Average
Run 1 2 3 lb/mmBtuO2 9.23E-02 8.25E-02 8.16E-02 0.085
ppm 9.37E+01 8.40E+01 8.34E+01 87.033 ppm@7%O2 8.35E+01 7.53E+01 7.48E+01 77.867



### Location: Unit 1 Stack - Method 25A Compound: Total organic compounds (TOC) Average
Run 1 2 3 lb/mmBtuO2 2.63E-04 1.06E-04 2.81E-04 0.000
ppm 6.23E-01 2.52E-01 6.71E-01 0.515 ppm@7%O2 5.55E-01 2.26E-01 6.02E-01 0.461



### Location: Unit 1 Stack - Method 26A Compound: Hydrogen Chloride Average RunNumber 26a-1 26A-2 26A-3 Mass_mg 0.44 0.437 0.347 0.408 lb/mmBtuO2 1.61E-04 1.57E-04 1.24E-04 0.000



### Compound: Hydrogen Fluoride Average RunNumber 26a-1 26A-2 26A-3 Mass_mg 0.271 0.282 0.3 0.284 lb/mmBtuO2 9.90E-05 1.02E-04 1.07E-04 0.000



### Location: Unit 1 Stack - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.0016 0.00095 0.00225 0.002 lb/mmBtuO2 3.05E-07 1.85E-07 4.42E-07 0.000



### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.0141 0.00606 0.00553 0.009 lb/mmBtuO2 2.69E-06 1.18E-06 1.09E-06 0.000



### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.00032 0.00032 0.00032 0.000 lb/mmBtuO2 6.10E-08 6.23E-08 6.28E-08 0.000



### Monday, February 14, 2011 Page 11 of 28

### RRI Energy - Seward

Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.00134 0.001 0.00136 0.001 lb/mmBtuO2 2.55E-07 1.95E-07 2.67E-07 0.000



### Compound: Chromium Average
RunNumber 1 2 3 Mass_mg 0.0121 0.0066 0.0057 0.008 lb/mmBtuO2 2.31E-06 1.29E-06 1.12E-06 0.000



### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.05256 0.0005 0.0005 0.018 lb/mmBtuO2 1.00E-05 9.74E-08 9.82E-08 0.000



### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.0754 0.0316 0.0017 0.036 lb/mmBtuO2 1.44E-05 6.16E-06 3.34E-07 0.000



### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.01092 0.00822 0.00802 0.009 lb/mmBtuO2 2.08E-06 1.60E-06 1.57E-06 0.000



### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.01163 0.00613 0.00393 0.007 lb/mmBtuO2 2.22E-06 1.19E-06 7.72E-07 0.000



### Compound: Phosphorus (yellow or white) Average RunNumber 1 2 3 Mass_mg 0.0741 0.0559 0.481 0.204 lb/mmBtuO2 1.41E-05 1.09E-05 9.44E-05 0.000



### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.0217 0.0049 0.0089 0.012 lb/mmBtuO2 4.14E-06 9.55E-07 1.75E-06 0.000



### Location: Unit 1 Stack - Method 6C 

### Compound: Sulfur Dioxide Average
Run 1 2 3 lb/mmBtuO2 3.61E-01 3.18E-01 3.27E-01 0.335



### Monday, February 14, 2011 Page 12 of 28

### RRI Energy - Seward

Process Run Data ppm 1.60E+02 1.42E+02 1.45E+02 149.000 ppm@7%O2 1.43E+02 1.27E+02 1.30E+02 133.333



### Location: Unit 1 Stack - Method 7E Compound: Nitrogen oxides (NOx) Average
Run 1 2 3 lb/mmBtuO2 1.17E-01 1.33E-01 1.26E-01 0.125
ppm 7.24E+01 8.27E+01 7.77E+01 77.600 ppm@7%O2 6.45E+01 7.37E+01 6.97E+01 69.300



### Location: Unit 1 Stack - OTM - 27/28 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 43.4 63.2 41.2 49.267 lb/mmBtuO2 9.91E-03 1.37E-02 8.84E-03 0.011



### Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 13.9 20.3 15.3 16.500 lb/mmBtuO2 3.17E-03 4.41E-03 3.28E-03 0.004



### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 20.5 42.7 16.8 26.667 lb/mmBtuO2 4.68E-03 9.27E-03 3.60E-03 0.006



### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 3.1 7.9 4.4 5.133 lb/mmBtuO2 7.08E-04 1.72E-03 9.44E-04 0.001



### Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 67 113.8 62.4 81.067 lb/mmBtuO2 1.53E-02 2.47E-02 1.34E-02 0.018



### Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 37.5 70.9 36.5 48.300 lb/mmBtuO2 8.56E-03 1.54E-02 7.83E-03 0.011



### Monday, February 14, 2011 Page 13 of 28

### RRI Energy - Seward

Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value
1 Bituminous Coal Burned 5026.7 Tons/hr 5000



### 1 Steam Flow 3909.4 klb/hr 3800

1 Total Coal 423.12 ton/hr 400

1 Net MW 523.22 NMW 500



### 1 Gross MW 592.58 GMW 550

2 Bituminous Coal Burned 5113.6 Tons/hr 5000

2 Steam Flow 3897.8 klb/hr 3800



### 2 Total Coal 425.57 ton/hr 400

2 Net MW 521.72 NMW 500

2 Gross MW 594.48 GMW 550



### 3 Bituminous Coal Burned 5273.9 Tons/hr 5000

3 Steam Flow 3898.8 klb/hr 3800

3 Total Coal 430.03 ton/hr 400



### 3 Net MW 524.46 NMW 500

3 Gross MW 594.87 GMW 550

Run Name Value UOM Comments Target Value


### 1 DP Baghouse Unit 1, SNCR, Flash Dry Absorber with Lime/Ash Injection 4.43

2 DP Baghouse Unit 1, SNCR, Flash Dry Absorber with Lime/Ash Injection 3.94



### 3 DP Baghouse Unit 1, SNCR, Flash Dry Absorber with Lime/Ash Injection 4.29

1 DP Baghouse Unit 2, SNCR, Flash Dry Absorber with Lime/Ash Injection 3.86



### 2 DP Baghouse Unit 2, SNCR, Flash Dry Absorber with Lime/Ash Injection 3.9

3 DP Baghouse Unit 2, SNCR, Flash Dry Absorber with Lime/Ash Injection 3.91



### 1

2 0

3 0



### Monday, February 14, 2011 Page 14 of 28

### RRI Energy - Seward

Monday, February 14, 2011 Page 15 of 28

### RRI Energy - Seward

Sampling / Stack Data Results Detail



### Location Unit 1 Stack - Method 10 Average
Run Number
Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type
Fw
Fc Cgasw Cgasw Units



### Monday, February 14, 2011 Page 16 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 25A Average Run Number
Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type
Fw
Fc Cgasw Cgasw Units



### Monday, February 14, 2011 Page 17 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 26A Average Run Number 26a-1 26A-2 26A-3
Test Date 3/22/2010 3/23/2010 3/23/2010
Run Start Time 3:10:00 PM 7:45:00 AM 11:10:00 AM Run Finish Time 6:20:30 PM 10:55:30 AM 2:21:30 PM Net Traversing Points 24 24 24 Net Run Time, minutes 180 180 180 Nozzle Diameter, inches 0.127 0.127 0.127 0.127 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.976 0.976 0.976 0.976 Barometric Pressure, inches of Mercury 28.23 28.62 28.62 28.490 Average Orifice Meter Differential, inches H2O 0.84 0.78 0.79 0.803 Dry Gas Meter Volume Sampled, cubic feet 91.946 90.308 90.231 90.828 Average Dry Gas Meter Temperature, °F 88.00 79.88 73.17 80.350 Dry Gas Meter Volume Sampled, dscf 81.759 82.621 83.592 82.657 Total Moisture Liquid collected, g 197 199 233.5 209.833 Volume of Water Vapor, standard cubic feet 9.27 9.37 10.99 9.877 Moisture Content of Stack Gas, % 10.18 10.19 11.62 10.663 Moisture Saturation at Stack Gas Temperature, % 63.76 61.72 60.11 61.863 Dry Mole Fraction 0.8982 0.8981 0.8838 0.893 Carbon Dioxide, % 14.5 14.8 14.7 14.667 Oxygen, % 5.3 5.3 5.4 5.333 Carbon Monoxide & Nitrogen, % 80.2 79.9 79.9 80.000 Fuel Factor 1.08 1.05 1.05 Dry Molecular Weight, lb/lb-Mole 30.53 30.58 30.57 30.560 Wet Molecular weight, lb/lb-Mole 29.25 29.30 29.11 29.220 Flue Gas Static Pressure, inches of H2O -1.7 -1.6 -1.6 -1.633 Absolute Flue Gas Pressure, inches of Mercury 28.11 28.50 28.50 28.370 Average Stack Gas Temperature, °F 187.33 186.46 185.25 186.347 Average Velocity Head, inches of H2O 3.8396487994 9783 3.764778139

62394 3.844591682

0793 3.816

Average Stack Gas Velocity, feet/second 124.86 122.60 124.18 123.880 Stack Cross-Sectional Area, square feet 233.705 233.705 233.705 233.705 Dry Volumetric Flow Rate, dry scfm 1,205,100.0 1,201,185.2 1,199,538.2 1,201,941.1 33 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,750,824.4 1,719,134.0 1,741,289.2 1,737,082.5 33 Percent Isokinetic of Sampling Rate, % 100.1 101.5 102.9 101.500 Percent Excess Air, % 33.4 33.6 34.4 33.800 F-Factor, dscfm/MMBtu @ %O2 10113 10070 10064 10,082.333 Round Duct Diameter, inches 207 207 207 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0
Fw 11321 11293 11292 11,302.000
Fc 1884 1861 1853 1,866.000



### Monday, February 14, 2011 Page 18 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 29 Average Run Number
Test Date Run Start Time Run Finish Time Net Traversing Points Net Run Time, minutes Nozzle Diameter, inches Pitot Tube Coefficient Dry Gas Meter Calibration Factor Barometric Pressure, inches of Mercury Average Orifice Meter Differential, inches H2O Dry Gas Meter Volume Sampled, cubic feet Average Dry Gas Meter Temperature, °F Dry Gas Meter Volume Sampled, dscf Total Moisture Liquid collected, g Volume of Water Vapor, standard cubic feet Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, % Dry Mole Fraction Carbon Dioxide, % Oxygen, % Carbon Monoxide & Nitrogen, % Fuel Factor Dry Molecular Weight, lb/lb-Mole Wet Molecular weight, lb/lb-Mole Flue Gas Static Pressure, inches of H2O Absolute Flue Gas Pressure, inches of Mercury Average Stack Gas Temperature, °F Average Velocity Head, inches of H2O Average Stack Gas Velocity, feet/second Stack Cross-Sectional Area, square feet Dry Volumetric Flow Rate, dry scfm Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, % Percent Excess Air, % F-Factor, dscfm/MMBtu @ %O2 Round Duct Diameter, inches Rectangular Duct Width, inches Rectangular Duct Length, inches
Fw
Fc



### Monday, February 14, 2011 Page 19 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 3A CO2 Average Run Number
Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type
Fw
Fc Cgasw Cgasw Units



### Monday, February 14, 2011 Page 20 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 3A CO2 3 Average Run Number
Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type
Fw
Fc Cgasw Cgasw Units



### Monday, February 14, 2011 Page 21 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 3A CO2 3 6 Average Run Number
Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type
Fw
Fc Cgasw Cgasw Units



### Monday, February 14, 2011 Page 22 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 3A O2 Average Run Number
Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type
Fw
Fc Cgasw Cgasw Units



### Monday, February 14, 2011 Page 23 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 3A O2 3 Average Run Number
Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type
Fw
Fc Cgasw Cgasw Units



### Monday, February 14, 2011 Page 24 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 3A O2 3 6 Average Run Number
Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type
Fw
Fc Cgasw Cgasw Units



### Monday, February 14, 2011 Page 25 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 6C Average Run Number
Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type
Fw
Fc Cgasw Cgasw Units



### Monday, February 14, 2011 Page 26 of 28

### RRI Energy - Seward

Location Unit 1 Stack - Method 7E Average Run Number
Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type
Fw
Fc Cgasw Cgasw Units



### Monday, February 14, 2011 Page 27 of 28

### RRI Energy - Seward

Location Unit 1 Stack - OTM - 27/28 Average Run Number
Test Date Run Start Time Run Finish Time Net Traversing Points Net Run Time, minutes Nozzle Diameter, inches Pitot Tube Coefficient Dry Gas Meter Calibration Factor Barometric Pressure, inches of Mercury Average Orifice Meter Differential, inches H2O Dry Gas Meter Volume Sampled, cubic feet Average Dry Gas Meter Temperature, °F Dry Gas Meter Volume Sampled, dscf Total Moisture Liquid collected, g Volume of Water Vapor, standard cubic feet Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, % Dry Mole Fraction Carbon Dioxide, % Oxygen, % Carbon Monoxide & Nitrogen, % Fuel Factor Dry Molecular Weight, lb/lb-Mole Wet Molecular weight, lb/lb-Mole Flue Gas Static Pressure, inches of H2O Absolute Flue Gas Pressure, inches of Mercury Average Stack Gas Temperature, °F Average Velocity Head, inches of H2O Average Stack Gas Velocity, feet/second Stack Cross-Sectional Area, square feet Dry Volumetric Flow Rate, dry scfm Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, % Percent Excess Air, % F-Factor, dscfm/MMBtu @ %O2 Round Duct Diameter, inches Rectangular Duct Width, inches Rectangular Duct Length, inches
Fw
Fc



### Monday, February 14, 2011 Page 28 of 28