Name: Edward Griegel

Title: Vice President Operations Company: Sunbury Generation LP Sign Date: Name: Jeffery C. Daniels Title: Lead Field Engineer Company: GE International, Inc. Sign Date: Permitted Facility Representative / Date Testing Company Representative / Date



### Utility Boiler MACT ICR - Sunbury Power Plant Unit 4 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.

Wednesday, February 02, 2011 Page 1 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

Facility Information: Sunbury Generation LP Old Trail Road PO Box 517 Shamokin Dam PA 17876 Contact: Mark J. Crawford Phone: 571-884-1247 Fax: Email: mark.crawford@sunburygen.com Testing Company: GE International, Inc. 888 Industrial Drive

Elmhurst IL 60126 Contact: Jeffery C. Daniels Phone: 630-530-6600 Fax: 630-530-6630 Email:

Air Permit Number: Permitted Source ID/Name: Unit 4 3152 Permitted Maximum Process Rate: Max. Normal Operation Process Rate: Target Process Test Rate

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Unit 4 is a 128 MW, wet bottom wall-fired bituminous coal boiler. It is equipped with Low NOx burners, over-fire air, flue gas conditioning, and an ESP. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 4210900001 FRS #: 110000601803

SCC / Description 10100211 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Wet Bottom (Tangential) (Bituminous 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 4 Stack 179.88 359.76 89.94 4 0 4 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Total organic compounds

(TOC) as Propane Method 25A 3 180 0 Unit 4 Stack Inorganic (Aqueous)

Condensible Part. OTM - 27/28 3 360 0 Unit 4 Stack Organic Condensible

Particulate OTM - 27/28 3 360 0 Unit 4 Stack Filterable PM2.5 OTM - 27/28 3 360 0 Unit 4 Stack Filterable Particulate OTM - 27/28 3 360 0 Unit 4 Stack Wednesday, February 02, 2011 Page 2 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

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.

Total Particulate OTM - 27/28 3 360 0 Unit 4 Stack Total PM2.5 OTM - 27/28 3 360 0 Unit 4 Stack Manganese Method 29 3 240 0 Unit 4 Stack Antimony Method 29 3 240 0 Unit 4 Stack Cadmium Method 29 3 240 0 Unit 4 Stack Beryllium Method 29 3 240 0 Unit 4 Stack Chromium Method 29 3 240 0 Unit 4 Stack Lead Method 29 3 240 0 Unit 4 Stack Selenium Method 29 3 240 0 Unit 4 Stack Arsenic Method 29 3 240 0 Unit 4 Stack Nickel Method 29 3 240 0 Unit 4 Stack Cobalt Method 29 3 240 0 Unit 4 Stack Filterable Particulate Method 29 3 240 0 Unit 4 Stack

Wednesday, February 02, 2011 Page 3 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

Sampling / Stack Data Results Summary Location Unit 4 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

Location Unit 4 Stack - Method 29 Average Run Number 1 2 3 Test Date 8/10/2010 8/11/2010 8/12/2010 Run Start Time 12:00:00 PM 9:46:00 AM 9:17:00 AM Run Finish Time 4:16:00 PM 2:31:00 PM 2:20:00 PM Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 153.609 155.228 154.273 154.370 Moisture Content of Stack Gas, % 7.54 6.62 8.08 7.413 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 11 11.3 11.1 11.133 Oxygen, % 8.1 8.1 8.1 8.100 Average Stack Gas Temperature, °F 295.73 299.92 288.92 294.857 Dry Volumetric Flow Rate, dry scfm 357,084.6 364,860.4 357,815.4 359,920.133 Actual Wet Volumetric Flue Gas Flow Rate, acfm 567,768.2 578,992.3 570,839.0 572,533.167 Percent Isokinetic of Sampling Rate, % 101.5 100.4 101.8 101.233 F-Factor, dscfm/MMBtu @ %O2 10274 10098 10080 10,150.667 Fw 0 0 0 0.000 Fc 0 0 0 0.000

Wednesday, February 02, 2011 Page 4 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

Location Unit 4 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

Wednesday, February 02, 2011 Page 5 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

Emissions Summary Location: Unit 4 Stack - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 6.36E-04 1.32E-03 1.18E-03 0.001 ppm 3.38E-01 6.88E-01 6.05E-01 0.544 ppm@7%O2 3.70E-01 7.59E-01 6.73E-01 0.601 Location: Unit 4 Stack - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.01 0.01 0.01 0.010 lb/mmBtuO2 2.41E-06 2.34E-06 2.35E-06 0.000 Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.02293 0.02423 0.03483 0.027 lb/mmBtuO2 5.52E-06 5.67E-06 8.19E-06 0.000 Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.0025 0.0025 0.00271 0.003 lb/mmBtuO2 6.02E-07 5.85E-07 6.37E-07 0.000 Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.0025 0.0025 0.0025 0.003 lb/mmBtuO2 6.02E-07 5.85E-07 5.88E-07 0.000 Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.01979 0.03092 0.02359 0.025 lb/mmBtuO2 4.76E-06 7.24E-06 5.55E-06 0.000 Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.00347 0.00334 0.00449 0.004 lb/mmBtuO2 8.35E-07 7.82E-07 1.06E-06 0.000 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 56.2 58.7 99.2 71.367 lb/mmBtuO2 1.35E-02 1.37E-02 2.33E-02 0.017 Wednesday, February 02, 2011 Page 6 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.01206 0.01206 0.01346 0.013 lb/mmBtuO2 2.90E-06 2.82E-06 3.17E-06 0.000 Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.02214 0.02854 0.03154 0.027 lb/mmBtuO2 5.33E-06 6.68E-06 7.42E-06 0.000 Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.0212 0.0359 0.0203 0.026 lb/mmBtuO2 5.10E-06 8.41E-06 4.77E-06 0.000 Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.1111 0.1393 0.1129 0.121 lb/mmBtuO2 2.67E-05 3.26E-05 2.66E-05 0.000 Location: Unit 4 Stack - OTM - 27/28 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 43.7 27.9 52.8 41.467 lb/mmBtuO2 1.16E-02 7.54E-03 1.43E-02 0.011 Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 10.4 7.2 14.9 10.833 lb/mmBtuO2 2.76E-03 1.95E-03 4.03E-03 0.003 Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 22.9 25.2 36.4 28.167 lb/mmBtuO2 6.07E-03 6.81E-03 9.84E-03 0.008 Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 4.7 5.4 5.3 5.133 lb/mmBtuO2 1.25E-03 1.46E-03 1.43E-03 0.001 Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 71.3 58.5 94.5 74.767 Wednesday, February 02, 2011 Page 7 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

Process Run Data lb/mmBtuO2 1.89E-02 1.58E-02 2.55E-02 0.020 Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 38 37.8 56.6 44.133 lb/mmBtuO2 1.01E-02 1.02E-02 1.53E-02 0.012

Wednesday, February 02, 2011 Page 8 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

Process Run Data

Run Name Value UOM Comments Target Value 1 Bituminous Coal Burned 48.2 Tons/hr Collected during run 1 M29 0 1 Steam Flow 953 KPPH Collected during run 1 M29 0 1 Daily Avg. Stack Pressure 14.34 psia Collected during run 1 M29 0 1 Daily Avg. Stack Temp 285.1 degrees F Collected during run 1 M29 0 1 SO2 CEMS 2.928 lb/mmbtu Collected during run 1 M29 0 1 NOx CEMS 0.286 lb/mmbtu Collected during run 1 M29 0 1 Gross Generation 3039 MW Collected during run 1 M29 0 1 Net Generation 2777 MW Collected during run 1 M29 0 1 Daily Avg. Fuel Flow 1 gal/day Collected during run 1 M29 0 1 Daily Avg. Stack Flow 56.86 ft/sec Collected during run 1 M29 0 1 Daily Avg. CO2 10.3 % Collected during run 1 M29 0 1 Boiler O2 - A1 2.457 % Collected during run 1 M29 0 2 Bituminous Coal Burned 59.9 Tons/hr Collected during run 2 M29 0 2 Steam Flow 961 KPPH Collected during run 2 M29 0 2 Daily Avg. Stack Pressure 14.32 psia Collected during run 2 M29 0 2 Daily Avg. Stack Temp 294 degrees F Collected during run 2 M29 0 2 SO2 CEMS 3.249 lb/mmbtu Collected during run 2 M29 0 2 NOx CEMS 0.261 lb/mmbtu Collected during run 2 M29 0 2 Gross Generation 3055 MW Collected during run 2 M29 0 2 Net Generation 2792 MW Collected during run 2 M29 0 2 Daily Avg. Fuel Flow 0 gal/day Collected during run 2 M29 0

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2 Daily Avg. Stack Flow 56.74 ft/sec Collected during run 2 M29 0 2 Daily Avg. CO2 10.3 % Collected during run 2 M29 0 2 Boiler O2 - A1 2.21 % Collected during run 2 M29 0 3 Bituminous Coal Burned 56.1 Tons/hr Collected during run 3 M29 0 3 Steam Flow 947 KPPH Collected during run 3 M29 0 3 Daily Avg. Stack Pressure 14.31 psia Collected during run 3 M29 0 3 Daily Avg. Stack Temp 284 degrees F Collected during run 3 M29 0 3 SO2 CEMS 3.156 lb/mmbtu Collected during run 3 M29 0 3 NOx CEMS 0.279 lb/mmbtu Collected during run 3 M29 0 3 Gross Generation 3002 MW Collected during run 3 M29 0 3 Net Generation 2743 MW Collected during run 3 M29 0 3 Daily Avg. Fuel Flow 0 gal/day Collected during run 3 M29 0 3 Daily Avg. Stack Flow 56.56 ft/sec Collected during run 3 M29 0 3 Daily Avg. CO2 10.2 % Collected during run 3 M29 0 3 Boiler O2 - A1 2.657 % Collected during run 3 M29 0 4 Bituminous Coal Burned 48.2 Tons/hr Collected during run 1 OTM 27/28 0 4 Steam Flow 949 KPPH Collected during run 1 OTM 27/28 0 4 Daily Avg. Stack Pressure 14.34 psia Collected during run 1 OTM 27/28 0 4 Daily Avg. Stack Temp 285.1 degrees F Collected during run 1 OTM 27/28 0 4 SO2 CEMS 2.937 lb/mmbtu Collected during run 1 OTM 27/28 0 4 NOx CEMS 0.286 lb/mmbtu Collected during run 1 OTM 27/28 0 4 Gross Generation 3039 MW Collected during run 1 OTM 27/28 0 4 Net Generation 2777 MW Collected during run 1 OTM 27/28 0 Wednesday, February 02, 2011 Page 10 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

4 Daily Avg. Fuel Flow 1 gal/day Collected during run 1 OTM 27/28 0 4 Daily Avg. Stack Flow 56.86 ft/sec Collected during run 1 OTM 27/28 0 4 Daily Avg. CO2 10.3 % Collected during run 1 OTM 27/28 0 4 Boiler O2 - A1 2.45 % Collected during run 1 OTM 27/28 0 5 Bituminous Coal Burned 59.9 Tons/hr Collected during run 2 OTM 27/28 0 5 Steam Flow 961 KPPH Collected during run 2 OTM 27/28 0 5 Daily Avg. Stack Pressure 14.32 psia Collected during run 2 OTM 27/28 0 5 Daily Avg. Stack Temp 294 degrees F Collected during run 2 OTM 27/28 0 5 SO2 CEMS 3.241 lb/mmbtu Collected during run 2 OTM 27/28 0 5 NOx CEMS 0.263 lb/mmbtu Collected during run 2 OTM 27/28 0 5 Gross Generation 3055 MW Collected during run 2 OTM 27/28 0 5 Net Generation 2792 MW Collected during run 2 OTM 27/28 0 5 Daily Avg. Fuel Flow 0 gal/day Collected during run 2 OTM 27/28 0 5 Daily Avg. Stack Flow 56.74 ft/sec Collected during run 2 OTM 27/28 0 5 Daily Avg. CO2 10.3 % Collected during run 2 OTM 27/28 0 5 Boiler O2 - A1 2.151 % Collected during run 2 OTM 27/28 0 6 Bituminous Coal Burned 56.1 Tons/hr Collected during run 3 OTM 27/28 0 6 Steam Flow 948 KPPH Collected during run 3 OTM 27/28 0 6 Daily Avg. Stack Pressure 14.31 psia Collected during run 3 OTM 27/28 0 6 Daily Avg. Stack Temp 284 degrees F Collected during run 3 OTM 27/28 0 6 SO2 CEMS 3.144 lb/mmbtu Collected during run 3 OTM 27/28 0 6 NOx CEMS 0.277 lb/mmbtu Collected during run 3 OTM 27/28 0 6 Gross Generation 3002 MW Collected during run 3 OTM 27/28 0 Wednesday, February 02, 2011 Page 11 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

6 Net Generation 2743 MW Collected during run 3 OTM 27/28 0 6 Daily Avg. Fuel Flow 0 gal/day Collected during run 3 OTM 27/28 0 6 Daily Avg. Stack Flow 56.56 ft/sec Collected during run 3 OTM 27/28 0 6 Daily Avg. CO2 10.2 % Collected during run 3 OTM 27/28 0 6 Boiler O2 - A1 2.593 % Collected during run 3 OTM 27/28 0 7 Bituminous Coal Burned 52.5 Tons/hr Collected during run 1 M25A 0 7 Steam Flow 940 KPPH Collected during run 1 M25A 0 7 Daily Avg. Stack Pressure 14.39 psia Collected during run 1 M25A 0 7 Daily Avg. Stack Temp 276.4 degrees F Collected during run 1 M25A 0 7 SO2 CEMS 3.157 lb/mmbtu Collected during run 1 M25A 0 7 NOx CEMS 0.258 lb/mmbtu Collected during run 1 M25A 0 7 Gross Generation 2885 MW Collected during run 1 M25A 0 7 Net Generation 2630 MW Collected during run 1 M25A 0 7 Daily Avg. Fuel Flow 337 gal/day Collected during run 1 M25A 0 7 Daily Avg. Stack Flow 54.62 ft/sec Collected during run 1 M25A 0 7 Daily Avg. CO2 10 % Collected during run 1 M25A 0 7 Boiler O2 - A1 3.708 % Collected during run 1 M25A 0 8 Bituminous Coal Burned 52.5 Tons/hr Collected during run 2 M25A 0 8 Steam Flow 937 KPPH Collected during run 2 M25A 0 8 Daily Avg. Stack Pressure 14.39 psia Collected during run 2 M25A 0 8 Daily Avg. Stack Temp 276.4 degrees F Collected during run 2 M25A 0 8 SO2 CEMS 3.158 lb/mmbtu Collected during run 2 M25A 0 8 NOx CEMS 0.257 lb/mmbtu Collected during run 2 M25A 0 Wednesday, February 02, 2011 Page 12 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

8 Gross Generation 2885 MW Collected during run 2 M25A 0 8 Net Generation 2630 MW Collected during run 2 M25A 0 8 Daily Avg. Fuel Flow 337 gal/day Collected during run 2 M25A 0 8 Daily Avg. Stack Flow 54.62 ft/sec Collected during run 2 M25A 0 8 Daily Avg. CO2 10 % Collected during run 2 M25A 0 8 Boiler O2 - A1 3.708 % Collected during run 2 M25A 0 9 Bituminous Coal Burned 52.5 Tons/hr Collected during run 3 M25A 0 9 Steam Flow 929 KPPH Collected during run 3 M25A 0 9 Daily Avg. Stack Pressure 14.39 psia Collected during run 3 M25A 0 9 Daily Avg. Stack Temp 276.4 degrees F Collected during run 3 M25A 0 9 SO2 CEMS 3.116 lb/mmbtu Collected during run 3 M25A 0 9 NOx CEMS 0.264 lb/mmbtu Collected during run 3 M25A 0 9 Gross Generation 2885 MW Collected during run 3 M25A 0 9 Net Generation 2630 MW Collected during run 3 M25A 0 9 Daily Avg. Fuel Flow 337 gal/day Collected during run 3 M25A 0 9 Daily Avg. Stack Flow 54.62 ft/sec Collected during run 3 M25A 0 9 Daily Avg. CO2 10 % Collected during run 3 M25A 0 9 Boiler O2 - A1 3.708 % Collected during run 3 M25A 0 1 Boiler O2 - A2 3.031 % Collected during run 1 M29 0 2 Boiler O2 - A2 3.117 % Collected during run 2 M29 0 3 Boiler O2 - A2 3.79 % Collected during run 3 M29 0 4 Boiler O2 - A2 3.044 % Collected during run 1 OTM 27/28 0 5 Boiler O2 - A2 3.15 % Collected during run 2 OTM 27/28 0 Wednesday, February 02, 2011 Page 13 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

6 Boiler O2 - A2 3.749 % Collected during run 3 OTM 27/28 0 7 Boiler O2 - A2 3.942 % Collected during run 1 M25A 0 8 Boiler O2 - A2 3.942 % Collected during run 2 M25A 0 9 Boiler O2 - A2 3.942 % Collected during run 3 M25A 0 1 Boiler O2 - B1 3.69 % Collected during run 1 M29 0 2 Boiler O2 - B1 3.411 % Collected during run 2 M29 0 3 Boiler O2 - B1 3.168 % Collected during run 3 M29 0 4 Boiler O2 - B1 3.676 % Collected during run 1 OTM 27/28 0 5 Boiler O2 - B1 3.422 % Collected during run 2 OTM 27/28 0 6 Boiler O2 - B1 3.139 % Collected during run 3 OTM 27/28 0 7 Boiler O2 - B1 3.565 % Collected during run 1 M25A 0 8 Boiler O2 - B1 3.565 % Collected during run 2 M25A 0 9 Boiler O2 - B1 3.565 % Collected during run 3 M25A 0 1 Boiler O2 - B2 2.722 % Collected during run 1 M29 0 2 Boiler O2 - B2 2.992 % Collected during run 2 M29 0 3 Boiler O2 - B2 3.404 % Collected during run 3 M29 0 4 Boiler O2 - B2 2.717 % Collected during run 1 OTM 27/28 0 5 Boiler O2 - B2 3.097 % Collected during run 2 OTM 27/28 0 6 Boiler O2 - B2 3.396 % Collected during run 3 OTM 27/28 0 7 Boiler O2 - B2 3.497 % Collected during run 1 M25A 0 8 Boiler O2 - B2 3.497 % Collected during run 2 M25A 0 9 Boiler O2 - B2 3.497 % Collected during run 3 M25A 0 1 Heat Input 1435 MMBtu/hr Collected during run 1 M29 0 Wednesday, February 02, 2011 Page 14 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

APCD Run Data

Process Lab Run Data 2 Heat Input 1448 MMBtu/hr Collected during run 2 M29 0 3 Heat Input 1437 MMBtu/hr Collected during run 3 M29 0 4 Heat Input 1465 MMBtu/hr Collected during run 1 OTM 27/28 0 5 Heat Input 1450 MMBtu/hr Collected during run 2 OTM 27/28 0 6 Heat Input 1440 MMBtu/hr Collected during run 3 OTM 27/28 0 7 Heat Input 1472 MMBtu/hr Collected during run 1 M25A 0 8 Heat Input 1411 MMBtu/hr Collected during run 2 M25A 0 9 Heat Input 1442 MMBtu/hr Collected during run 3 M25A 0

Run Name Value UOM Comments Target Value 1 LOW NOX BURNERS 0 0 1 OVERFIRE AIR 0 0 1 FLUE GAS RECIRCULATION 0 0 1 ELECTROSTATIC PRECIPITATOR 0 0

Wednesday, February 02, 2011 Page 15 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

Sampling / Stack Data Results Detail Location Unit 4 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

Wednesday, February 02, 2011 Page 16 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

Location Unit 4 Stack - Method 29 Average Run Number 1 2 3 Test Date 8/10/2010 8/11/2010 8/12/2010 Run Start Time 12:00:00 PM 9:46:00 AM 9:17:00 AM Run Finish Time 4:16:00 PM 2:31:00 PM 2:20:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.239 0.239 0.239 0.239 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.994 0.994 0.994 0.994 Barometric Pressure, inches of Mercury 29.15 29.08 28.96 29.063 Average Orifice Meter Differential, inches H2O 1.29 1.33 1.27 1.297 Dry Gas Meter Volume Sampled, cubic feet 168.183 170.841 166.088 168.371 Average Dry Gas Meter Temperature, °F 101.66 103.29 88.66 97.870 Dry Gas Meter Volume Sampled, dscf 153.609 155.228 154.273 154.370 Total Moisture Liquid collected, g 266 233.6 288.1 262.567 Volume of Water Vapor, standard cubic feet 12.52 11.00 13.56 12.360 Moisture Content of Stack Gas, % 7.54 6.62 8.08 7.413 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9246 0.9338 0.9192 0.926 Carbon Dioxide, % 11 11.3 11.1 11.133 Oxygen, % 8.1 8.1 8.1 8.100 Carbon Monoxide & Nitrogen, % 80.9 80.6 80.8 80.767 Fuel Factor 1.16 1.13 1.15 Dry Molecular Weight, lb/lb-Mole 30.08 30.13 30.10 30.103 Wet Molecular weight, lb/lb-Mole 29.17 29.33 29.12 29.207 Flue Gas Static Pressure, inches of H2O -0.3 -0.3 -0.3 -0.300 Absolute Flue Gas Pressure, inches of Mercury 29.13 29.06 28.94 29.043 Average Stack Gas Temperature, °F 295.73 299.92 288.92 294.857 Average Velocity Head, inches of H2O 0.6269153250 3664 0.650177995

667963 0.634060204

437105 0.637 Average Stack Gas Velocity, feet/second 53.62 54.68 53.91 54.070 Stack Cross-Sectional Area, square feet 176.479 176.479 176.479 176.479 Dry Volumetric Flow Rate, dry scfm 357,084.6 364,860.4 357,815.4 359,920.133 Actual Wet Volumetric Flue Gas Flow Rate, acfm 567,768.2 578,992.3 570,839.0 572,533.167 Percent Isokinetic of Sampling Rate, % 101.5 100.4 101.8 101.233 Percent Excess Air, % 61.1 61.5 61.2 61.267 F-Factor, dscfm/MMBtu @ %O2 10274 10098 10080 10,150.667 Round Duct Diameter, inches 179.88 179.88 179.88 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 0 0 0 0.000

Wednesday, February 02, 2011 Page 17 of 18Utility Boiler MACT ICR - Sunbury Power Plant Unit 4

Location Unit 4 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

Wednesday, February 02, 2011 Page 18 of 18