Name: C.D. Holley

Title: Vice President F&H System Operatio Company: Dominion Generation Sign Date: 8/19/2010 Name: Michael P. Martin Title: Senior Project Manager Company: TRC Companies, Inc. Sign Date: 8/19/2010 Permitted Facility Representative / Date Testing Company Representative / Date



### Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2 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.

Thursday, January 13, 2011 Page 1 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 Facility Information: Southampton Power Station 30134 General Thomas Hwy.

Franklin VA 23851 Contact: David Nuckols Phone: 804-796-6021 Fax: 804-796-6004 Email: david.nuckols@dom.com Testing Company: TRC Companies, Inc.
650 Suffolk Street

Lowell MA 01854 Contact: Michael P. Martin Phone: 978-656-3550 Fax: 978-453-4215 Email: mmartin@trcsolutions.com

Air Permit Number: 10774 Permitted Source ID/Name: 1_2 Permitted Maximum Process Rate: N/A Max. Normal Operation Process Rate: N/A Target Process Test Rate N/A

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Unit 1 & Unit 2 are each a 400 mmBtu/hr spreader stoker coal boiler. Each have overfire air, dry lime FGD, & a baghouse. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 5117500051 FRS #: 110000869695

SCC / Description 10100202 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Pulverized Coal: Dry Bottom (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 Stack Exit 96 1284 1056 4 0 6 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Carbon Monoxide Method 10 3 120 0 Stack Exit Formaldehyde Method 0011 3 120 0 Stack Exit Total organic compounds

(TOC) as Propane Method 25A 3 120 0 NMHC emissions only. Methane emissions reported in excel template. Stack Exit

Hydrogen Fluoride Method 26A 3 180 0 Stack Exit Hydrogen Chloride Method 26A 3 180 0 Stack Exit
Thursday, January 13, 2011 Page 2 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010

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.

Inorganic (Aqueous) Condensible Part. OTM - 27/28 3 240 0 Stack Exit

Filterable PM2.5 OTM - 27/28 3 240 0 Stack Exit Organic Condensible

Particulate OTM - 27/28 3 240 0 Stack Exit

Total PM2.5 OTM - 27/28 3 240 0 Stack Exit Total Particulate OTM - 27/28 3 240 0 Stack Exit Filterable Particulate OTM - 27/28 3 240 0 Stack Exit Cobalt Method 29 3 240 0 Stack Exit Selenium Method 29 3 240 0 Stack Exit Nickel Method 29 3 240 0 Stack Exit Manganese Method 29 3 240 0 Stack Exit Lead Method 29 3 240 0 Stack Exit Chromium Method 29 3 240 0 Stack Exit Cadmium Method 29 3 240 0 Stack Exit Beryllium Method 29 3 240 0 Stack Exit Arsenic Method 29 3 240 0 Stack Exit Antimony Method 29 3 240 0 Stack Exit Sulfur Dioxide Method 6C 3 180 0 Stack Exit Nitrogen oxides (NOx) Method 7E 3 180 0 Stack Exit

Thursday, January 13, 2011 Page 3 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 Sampling / Stack Data Results Summary

Location Stack Exit - Method 0011 Average Run Number 1 2 3
Test Date 4/28/2010 4/28/2010 4/28/2010 Run Start Time Run Finish Time Net Run Time, minutes 120 120 120 Dry Gas Meter Volume Sampled, dscf 115.173 112.663 114.636 114.157 Moisture Content of Stack Gas, % 12.52 12.28 11.84 12.213 Moisture Saturation at Stack Gas Temperature, % 66.48 66.24 63.47 65.397 Carbon Dioxide, % 12.605 12.643 12.635 12.628 Oxygen, % 6.535 6.488 6.496 6.506 Average Stack Gas Temperature, °F 191.96 191.79 189.79 191.180 Dry Volumetric Flow Rate, dry scfm 188,189.8 185,918.3 189,619.3 187,909.133 Actual Wet Volumetric Flue Gas Flow Rate, acfm 266,877.0 262,865.8 265,942.1 265,228.300 Percent Isokinetic of Sampling Rate, % 98.9 97.9 97.7 98.167 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000
Fw 10640 10640 10640 10,640.000
Fc 1800 1800 1800 1,800.000

Location Stack Exit - 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

Thursday, January 13, 2011 Page 4 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
Location Stack Exit - 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 Stack Exit - Method 26A 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

Thursday, January 13, 2011 Page 5 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
Location Stack Exit - 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 Stack Exit - 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

Thursday, January 13, 2011 Page 6 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
Location Stack Exit - 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 Stack Exit - 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

Thursday, January 13, 2011 Page 7 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 Emissions Summary

Location: Stack Exit - Method 0011 Compound: Formaldehyde Average RunNumber 1 2 3 Mass_mg 0.0682 0.0518 0.093 0.071 lb/mmBtuO2 1.86E-05 1.44E-05 2.54E-05 0.000

Location: Stack Exit - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 3.67E-02 3.22E-02 3.73E-02 0.035 ppm 3.55E+01 3.12E+01 3.62E+01 34.300 ppm@7%O2 3.44E+01 3.01E+01 3.49E+01 33.133

Location: Stack Exit - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 -9.77E-07 1.95E-06 0.00E+00 0.000 ppm -6.00E-04 1.20E-03 0.00E+00 0.000 ppm@7%O2 -5.81E-04 1.16E-03 0.00E+00 0.000

Location: Stack Exit - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.401 0.434 0.45 0.428 lb/mmBtuO2 7.25E-05 7.80E-05 8.24E-05 0.000 Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.387 0.419 0.435 0.414 lb/mmBtuO2 6.99E-05 7.53E-05 7.97E-05 0.000

Location: Stack Exit - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.000808 0.000621 0.00053 0.001 lb/mmBtuO2 1.09E-07 8.54E-08 7.14E-08 0.000 Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00248 0.00202 0.00171 0.002 lb/mmBtuO2 3.35E-07 2.78E-07 2.30E-07 0.000

Thursday, January 13, 2011 Page 8 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.000476 0.000366 0.000344 0.000 lb/mmBtuO2 6.43E-08 5.03E-08 4.64E-08 0.000 Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.000327 0.000152 0.00015 0.000 lb/mmBtuO2 4.42E-08 2.09E-08 2.02E-08 0.000 Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.01287 0.00587 0.00655 0.008 lb/mmBtuO2 1.74E-06 8.07E-07 8.83E-07 0.000 Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.00241 0.00178 0.00178 0.002 lb/mmBtuO2 3.26E-07 2.45E-07 2.40E-07 0.000 Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.00615 0.00481 0.004294 0.005 lb/mmBtuO2 8.31E-07 6.61E-07 5.79E-07 0.000 Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.01392 0.00544 0.01838 0.013 lb/mmBtuO2 1.88E-06 7.48E-07 2.48E-06 0.000 Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.01553 0.01178 0.01239 0.013 lb/mmBtuO2 2.10E-06 1.62E-06 1.67E-06 0.000 Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.00359 0.00347 0.00303 0.003 lb/mmBtuO2 4.85E-07 4.77E-07 4.08E-07 0.000

Location: Stack Exit - Method 6C Compound: Sulfur Dioxide Average Run 1 2 3 lb/mmBtuO2 2.74E-02 2.60E-02 3.27E-02 0.029
Thursday, January 13, 2011 Page 9 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010

Process Run Data ppm 1.14E+01 1.09E+01 1.39E+01 12.067 ppm@7%O2 1.12E+01 1.06E+01 1.34E+01 11.733

Location: Stack Exit - Method 7E Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 3.93E-01 3.93E-01 3.90E-01 0.392 ppm 2.28E+02 2.29E+02 2.31E+02 229.333 ppm@7%O2 2.24E+02 2.24E+02 2.23E+02 223.667

Location: Stack Exit - OTM - 27/28 Compound: Filterable Particulate Average RunNumber 2 3 1 Mass_mg 40.4 34.2 40.5 38.367 lb/mmBtuO2 1.02E-02 8.63E-03 9.12E-03 0.009 Compound: Filterable PM2.5 Average RunNumber 2 3 1 Mass_mg 5.3 4.9 4.4 4.867 lb/mmBtuO2 1.34E-03 1.24E-03 9.91E-04 0.001 Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 2 3 1 Mass_mg 5.87 6.27 15.27 9.137 lb/mmBtuO2 1.49E-03 1.58E-03 3.44E-03 0.002 Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 8.63 2.13 0.83 3.863 lb/mmBtuO2 1.94E-03 5.40E-04 2.09E-04 0.001 Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 64.4 48.4 41.3 51.367 lb/mmBtuO2 1.45E-02 1.23E-02 1.04E-02 0.012 Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 28.3 13.3 12 17.867 lb/mmBtuO2 6.37E-03 3.37E-03 3.03E-03 0.004

Thursday, January 13, 2011 Page 10 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 Process Run Data

Run Name Value UOM Comments Target Value 1 Unit 1 & 2 Combined Total Heat Input 1134.7 Million Btus/hr Collected during OTM-27/28 run 1 0

1 Unit 1 & 2 Combined Total Steam Output 552.7 1000 lb steam/hr Collected during OTM-27/28 run 1 0

1 Unit 1 Flue Gas Flow Rate 397.2 KPPH Collected during OTM-27/28 run 1 0

1 Unit 2 Flue Gas Flow Rate 395.9 KPPH Collected during OTM-27/28 run 1 0

1 Unit 1 Pressure Drop Across FGD 12.4 in H2O Collected during OTM-27/28 run 1 0

1 Unit 2 Pressure Drop Across FGD 13.7 in H2O Collected during OTM-27/28 run 1 0

1 Unit 1 FGD Scrubber Liquor Flow Rate 71 gals/min Collected during OTM-27/28 run 1 0

1 Unit 2 FGD Scrubber Liquor Flow Rate 66 gals/min Collected during OTM-27/28 run 1 0

1 Flue Gas Sampling Point Temperature 189.29 Deg F Collected during OTM-27/28 run 1 0

1 Unit 1 & 2 Combined Total Gross Electric Generation 68.6 Mwe Collected during OTM-27/28 run 1 0

1 Flue Gas Carbon Dioxide Content 10.4 % Collected during OTM-27/28 run 1 0

1 Unit 1 & 2 Combined Total Coal Firing Rate 31.12 tons/hr Collected during OTM-27/28 run 1 0

1 Unit 1 & 2 Combined Total Net Electric Generation 62.9 MWh Collected during OTM-27/28 run 1 0

2 Unit 1 & 2 Combined Total Heat Input 789.9 Million Btus/hr Collected during OTM-27/28 run 2 0

2 Unit 1 & 2 Combined Total Steam Output 543.5 1000 lb steam/hr Collected during OTM-27/28 run 2 0

2 Unit 1 Flue Gas Flow Rate 369.2 KPPH Collected during OTM-27/28 run 2 0

2 Unit 2 Flue Gas Flow Rate 370.9 KPPH Collected during OTM-27/28 run 2 0

2 Unit 1 Pressure Drop Across FGD 10.5 in H2O Collected during OTM-27/28 run 2 0

2 Unit 2 Pressure Drop Across FGD 12.6 in H2O Collected during OTM-27/28 run 2 0

2 Unit 1 FGD Scrubber Liquor Flow Rate 66 gals/min Collected during OTM-27/28 run 2 0

2 Unit 2 FGD Scrubber Liquor Flow Rate 63 gals/min Collected during OTM-27/28 run 2 0

Thursday, January 13, 2011 Page 11 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 2 Flue Gas Sampling Point Temperature 187.15 Deg F Collected during OTM-27/28 run 2 0

2 Unit 1 & 2 Combined Total Gross Electric Generation 68.5 Mwe Collected during OTM-27/28 run 2 0

2 Flue Gas Carbon Dioxide Content 11.2 % Collected during OTM-27/28 run 2 0

2 Unit 1 & 2 Combined Total Coal Firing Rate 31.48 tons/hr Collected during OTM-27/28 run 2 0

2 Unit 1 & 2 Combined Total Net Electric Generation 62.7 MWh Collected during OTM-27/28 run 2 0

3 Unit 1 & 2 Combined Total Heat Input 791.8 Million Btus/hr Collected during OTM-27/28 run 3 0

3 Unit 1 & 2 Combined Total Steam Output 545.2 1000 lb steam/hr Collected during OTM-27/28 run 3 0

3 Unit 1 Flue Gas Flow Rate 372.8 KPPH Collected during OTM-27/28 run 3 0

3 Unit 2 Flue Gas Flow Rate 369.7 KPPH Collected during OTM-27/28 run 3 0

3 Unit 1 Pressure Drop Across FGD 10.9 in H2O Collected during OTM-27/28 run 3 0

3 Unit 2 Pressure Drop Across FGD 12.5 in H2O Collected during OTM-27/28 run 3 0

3 Unit 1 FGD Scrubber Liquor Flow Rate 64 gals/min Collected during OTM-27/28 run 3 0

3 Unit 2 FGD Scrubber Liquor Flow Rate 70 gals/min Collected during OTM-27/28 run 3 0

3 Flue Gas Sampling Point Temperature 185.4 Deg F Collected during OTM-27/28 run 3 0

3 Unit 1 & 2 Combined Total Gross Electric Generation 68.6 Mwe Collected during OTM-27/28 run 3 0

3 Flue Gas Carbon Dioxide Content 11.3 % Collected during OTM-27/28 run 3 0

3 Unit 1 & 2 Combined Total Coal Firing Rate 31.48 tons/hr Collected during OTM-27/28 run 3 0

3 Unit 1 & 2 Combined Total Net Electric Generation 63.2 MWh Collected during OTM-27/28 run 3 0

4 Unit 1 & 2 Combined Total Heat Input 1060.4 Million Btus/hr Collected during M29 run 1 0

4 Unit 1 & 2 Combined Total Steam Output 553 1000 lb steam/hr Collected during M29 run 1 0

4 Unit 1 Flue Gas Flow Rate 402.8 KPPH Collected during M29 run 1 0

4 Unit 2 Flue Gas Flow Rate 402.8 KPPH Collected during M29 run 1 0

4 Unit 1 Pressure Drop Across FGD 12.9 in H2O Collected during M29 run 1 0

Thursday, January 13, 2011 Page 12 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 4 Unit 2 Pressure Drop Across FGD 13.9 in H2O Collected during M29 run 1 0

4 Unit 1 FGD Scrubber Liquor Flow Rate 72 gals/min Collected during M29 run 1 0

4 Unit 2 FGD Scrubber Liquor Flow Rate 67 gals/min Collected during M29 run 1 0

4 Flue Gas Sampling Point Temperature 189.81 Deg F Collected during M29 run 1 0

4 Unit 1 & 2 Combined Total Gross Electric Generation 68.7 Mwe Collected during M29 run 1 0

4 Flue Gas Carbon Dioxide Content 10.4 % Collected during M29 run 1 0

4 Unit 1 & 2 Combined Total Coal Firing Rate 31.12 tons/hr Collected during M29 run 1 0

4 Unit 1 & 2 Combined Total Net Electric Generation 63.1 MWh Collected during M29 run 1 0

5 Unit 1 & 2 Combined Total Heat Input 788.2 Million Btus/hr Collected during M29 run 2 0

5 Unit 1 & 2 Combined Total Steam Output 543.3 1000 lb steam/hr Collected during M29 run 2 0

5 Unit 1 Flue Gas Flow Rate 372.6 KPPH Collected during M29 run 2 0

5 Unit 2 Flue Gas Flow Rate 374.1 KPPH Collected during M29 run 2 0

5 Unit 1 Pressure Drop Across FGD 10.8 in H2O Collected during M29 run 2 0

5 Unit 2 Pressure Drop Across FGD 12.9 in H2O Collected during M29 run 2 0

5 Unit 1 FGD Scrubber Liquor Flow Rate 67 gals/min Collected during M29 run 2 0

5 Unit 2 FGD Scrubber Liquor Flow Rate 63 gals/min Collected during M29 run 2 0

5 Flue Gas Sampling Point Temperature 187.01 Deg F Collected during M29 run 2 0

5 Unit 1 & 2 Combined Total Gross Electric Generation 68.4 Mwe Collected during M29 run 2 0

5 Flue Gas Carbon Dioxide Content 11.2 % Collected during M29 run 2 0

5 Unit 1 & 2 Combined Total Coal Firing Rate 31.48 tons/hr Collected during M29 run 2 0

5 Unit 1 & 2 Combined Total Net Electric Generation 62.6 MWh Collected during M29 run 2 0

6 Unit 1 & 2 Combined Total Heat Input 792.9 Million Btus/hr Collected during M29 run 3 0

6 Unit 1 & 2 Combined Total Steam Output 546.3 1000 lb steam/hr Collected during M29 run 3 0

Thursday, January 13, 2011 Page 13 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
6 Unit 1 Flue Gas Flow Rate 372.8 KPPH Collected during M29 run 3 0

6 Unit 2 Flue Gas Flow Rate 369.6 KPPH Collected during M29 run 3 0

6 Unit 1 Pressure Drop Across FGD 11 in H2O Collected during M29 run 3 0

6 Unit 2 Pressure Drop Across FGD 12.6 in H2O Collected during M29 run 3 0

6 Unit 1 FGD Scrubber Liquor Flow Rate 64 gals/min Collected during M29 run 3 0

6 Unit 2 FGD Scrubber Liquor Flow Rate 69 gals/min Collected during M29 run 3 0

6 Flue Gas Sampling Point Temperature 185.55 Deg F Collected during M29 run 3 0

6 Unit 1 & 2 Combined Total Gross Electric Generation 68.4 Mwe Collected during M29 run 3 0

6 Flue Gas Carbon Dioxide Content 11.3 % Collected during M29 run 3 0

6 Unit 1 & 2 Combined Total Coal Firing Rate 31.48 tons/hr Collected during M29 run 3 0

6 Unit 1 & 2 Combined Total Net Electric Generation 63.3 MWh Collected during M29 run 3 0

7 Unit 1 & 2 Combined Total Heat Input 802.5 Million Btus/hr Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

7 Unit 1 & 2 Combined Total Steam Output 545.5 1000 lb steam/hr Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

7 Unit 1 Flue Gas Flow Rate 379 KPPH Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

7 Unit 2 Flue Gas Flow Rate 389.1 KPPH Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

7 Unit 1 Pressure Drop Across FGD 12.4 in H2O Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

Thursday, January 13, 2011 Page 14 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
7 Unit 2 Pressure Drop Across FGD 13 in H2O Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

7 Unit 1 FGD Scrubber Liquor Flow Rate 63 gals/min Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

7 Unit 2 FGD Scrubber Liquor Flow Rate 61 gals/min Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

7 Flue Gas Sampling Point Temperature 191.56 Deg F Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

7 Unit 1 & 2 Combined Total Gross Electric Generation 68.6 Mwe Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

7 Flue Gas Carbon Dioxide Content 11 % Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

7 Unit 1 & 2 Combined Total Coal Firing Rate 27.76 tons/hr Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

7 Unit 1 & 2 Combined Total Net Electric Generation 62.9 MWh Collected during run 1 of M0011 and run 1 of Method 10 and 25A 0

8 Unit 1 & 2 Combined Total Heat Input 800.1 Million Btus/hr Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

8 Unit 1 & 2 Combined Total Steam Output 545.5 1000 lb steam/hr Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

Thursday, January 13, 2011 Page 15 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 8 Unit 1 Flue Gas Flow Rate 379.9 KPPH Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

8 Unit 2 Flue Gas Flow Rate 383.6 KPPH Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

8 Unit 1 Pressure Drop Across FGD 11.6 in H2O Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

8 Unit 2 Pressure Drop Across FGD 13.6 in H2O Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

8 Unit 1 FGD Scrubber Liquor Flow Rate 63 gals/min Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

8 Unit 2 FGD Scrubber Liquor Flow Rate 61 gals/min Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

8 Flue Gas Sampling Point Temperature 191.74 Deg F Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

8 Unit 1 & 2 Combined Total Gross Electric Generation 68.9 Mwe Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

8 Flue Gas Carbon Dioxide Content 11 % Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

8 Unit 1 & 2 Combined Total Coal Firing Rate 27.76 tons/hr Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

Thursday, January 13, 2011 Page 16 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 8 Unit 1 & 2 Combined Total Net Electric Generation 63 MWh Collected during run 2 of M0011 and run 2 of Method 10 and 25A 0

9 Unit 1 & 2 Combined Total Heat Input 796.6 Million Btus/hr Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

9 Unit 1 & 2 Combined Total Steam Output 546 1000 lb steam/hr Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

9 Unit 1 Flue Gas Flow Rate 380.8 KPPH Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

9 Unit 2 Flue Gas Flow Rate 378.1 KPPH Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

9 Unit 1 Pressure Drop Across FGD 11 in H2O Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

9 Unit 2 Pressure Drop Across FGD 13.5 in H2O Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

9 Unit 1 FGD Scrubber Liquor Flow Rate 65 gals/min Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

9 Unit 2 FGD Scrubber Liquor Flow Rate 62 gals/min Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

9 Flue Gas Sampling Point Temperature 190.23 Deg F Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

Thursday, January 13, 2011 Page 17 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 9 Unit 1 & 2 Combined Total Gross Electric Generation 68.8 Mwe Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

9 Flue Gas Carbon Dioxide Content 10.9 % Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

9 Unit 1 & 2 Combined Total Coal Firing Rate 27.76 tons/hr Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

9 Unit 1 & 2 Combined Total Net Electric Generation 63 MWh Collected during run 3 of M0011 and run 3 of Method 10 and 25A 0

10 Unit 1 & 2 Combined Total Heat Input 827.5 Million Btus/hr Collected during M26A run 1 0

10 Unit 1 & 2 Combined Total Steam Output 545.3 1000 lb steam/hr Collected during M26A run 1 0

10 Unit 1 Flue Gas Flow Rate 390 KPPH Collected during M26A run 1 0

10 Unit 2 Flue Gas Flow Rate 382.2 KPPH Collected during M26A run 1 0

10 Unit 1 Pressure Drop Across FGD 13.3 in H2O Collected during M26A run 1 0

10 Unit 2 Pressure Drop Across FGD 13.6 in H2O Collected during M26A run 1 0

10 Unit 1 FGD Scrubber Liquor Flow Rate 64 gals/min Collected during M26A run 1 0

10 Unit 2 FGD Scrubber Liquor Flow Rate 59 gals/min Collected during M26A run 1 0

10 Flue Gas Sampling Point Temperature 192.91 Deg F Collected during M26A run 1 0

10 Unit 1 & 2 Combined Total Gross Electric Generation 68.8 Mwe Collected during M26A run 1 0

10 Flue Gas Carbon Dioxide Content 11 % Collected during M26A run 1 0

10 Unit 1 & 2 Combined Total Coal Firing Rate 24.72 tons/hr Collected during M26A run 1 0

10 Unit 1 & 2 Combined Total Net Electric Generation 63.2 MWh Collected during M26A run 1 0

11 Unit 1 & 2 Combined Total Heat Input 814 Million Btus/hr Collected during M26A run 2 0

Thursday, January 13, 2011 Page 18 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 11 Unit 1 & 2 Combined Total Steam Output 550 1000 lb steam/hr Collected during M26A run 2 0

11 Unit 1 Flue Gas Flow Rate 390.5 KPPH Collected during M26A run 2 0

11 Unit 2 Flue Gas Flow Rate 379.8 KPPH Collected during M26A run 2 0

11 Unit 1 Pressure Drop Across FGD 12.5 in H2O Collected during M26A run 2 0

11 Unit 2 Pressure Drop Across FGD 13.3 in H2O Collected during M26A run 2 0

11 Unit 1 FGD Scrubber Liquor Flow Rate 66 gals/min Collected during M26A run 2 0

11 Unit 2 FGD Scrubber Liquor Flow Rate 63 gals/min Collected during M26A run 2 0

11 Flue Gas Sampling Point Temperature 192.83 Deg F Collected during M26A run 2 0

11 Unit 1 & 2 Combined Total Gross Electric Generation 68.7 Mwe Collected during M26A run 2 0

11 Flue Gas Carbon Dioxide Content 11.1 % Collected during M26A run 2 0

11 Unit 1 & 2 Combined Total Coal Firing Rate 24.72 tons/hr Collected during M26A run 2 0

11 Unit 1 & 2 Combined Total Net Electric Generation 63 MWh Collected during M26A run 2 0

12 Unit 1 & 2 Combined Total Heat Input 811 Million Btus/hr Collected during M26A run 3 0

12 Unit 1 & 2 Combined Total Steam Output 551.7 1000 lb steam/hr Collected during M26A run 3 0

12 Unit 1 Flue Gas Flow Rate 386.5 KPPH Collected during M26A run 3 0

12 Unit 2 Flue Gas Flow Rate 377.2 KPPH Collected during M26A run 3 0

12 Unit 1 Pressure Drop Across FGD 12.5 in H2O Collected during M26A run 3 0

12 Unit 2 Pressure Drop Across FGD 13.2 in H2O Collected during M26A run 3 0

12 Unit 1 FGD Scrubber Liquor Flow Rate 66 gals/min Collected during M26A run 3 0

12 Unit 2 FGD Scrubber Liquor Flow Rate 62 gals/min Collected during M26A run 3 0

12 Flue Gas Sampling Point Temperature 192.81 Deg F Collected during M26A run 3 0

12 Unit 1 & 2 Combined Total Gross Electric Generation 68.7 Mwe Collected during M26A run 3 0

12 Flue Gas Carbon Dioxide Content 11.1 % Collected during M26A run 3 0

Thursday, January 13, 2011 Page 19 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 12 Unit 1 & 2 Combined Total Coal Firing Rate 24.72 tons/hr Collected during M26A run 3 0

12 Unit 1 & 2 Combined Total Net Electric Generation 63.2 MWh Collected during M26A run 3 0

13 Unit 1 & 2 Combined Total Heat Input 823.3 Million Btus/hr Collected during run 1 of Method 6C and 7E 0

13 Unit 1 & 2 Combined Total Steam Output 546 1000 lb steam/hr Collected during run 1 of Method 6C and 7E 0

13 Unit 1 Flue Gas Flow Rate 390.5 KPPH Collected during run 1 of Method 6C and 7E 0

13 Unit 2 Flue Gas Flow Rate 382.2 KPPH Collected during run 1 of Method 6C and 7E 0

13 Unit 1 Pressure Drop Across FGD 13.1 in H2O Collected during run 1 of Method 6C and 7E 0

13 Unit 2 Pressure Drop Across FGD 13.6 in H2O Collected during run 1 of Method 6C and 7E 0

13 Unit 1 FGD Scrubber Liquor Flow Rate 65 gals/min Collected during run 1 of Method 6C and 7E 0

13 Unit 2 FGD Scrubber Liquor Flow Rate 60 gals/min Collected during run 1 of Method 6C and 7E 0

13 Flue Gas Sampling Point Temperature 192.69 Deg F Collected during run 1 of Method 6C and 7E 0

13 Unit 1 & 2 Combined Total Gross Electric Generation 68.8 Mwe Collected during run 1 of Method 6C and 7E 0

13 Flue Gas Carbon Dioxide Content 11 % Collected during run 1 of Method 6C and 7E 0

13 Unit 1 & 2 Combined Total Coal Firing Rate 24.72 tons/hr Collected during run 1 of Method 6C and 7E 0

13 Unit 1 & 2 Combined Total Net Electric Generation 63.1 MWh Collected during run 1 of Method 6C and 7E 0

14 Unit 1 & 2 Combined Total Heat Input 816.7 Million Btus/hr Collected during run 2 of Method 6C and 7E 0

14 Unit 1 & 2 Combined Total Steam Output 551.3 1000 lb steam/hr Collected during run 2 of Method 6C and 7E 0

Thursday, January 13, 2011 Page 20 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 14 Unit 1 Flue Gas Flow Rate 388.8 KPPH Collected during run 2 of Method 6C and 7E 0

14 Unit 2 Flue Gas Flow Rate 377.8 KPPH Collected during run 2 of Method 6C and 7E 0

14 Unit 1 Pressure Drop Across FGD 12.5 in H2O Collected during run 2 of Method 6C and 7E 0

14 Unit 2 Pressure Drop Across FGD 13.6 in H2O Collected during run 2 of Method 6C and 7E 0

14 Unit 1 FGD Scrubber Liquor Flow Rate 66 gals/min Collected during run 2 of Method 6C and 7E 0

14 Unit 2 FGD Scrubber Liquor Flow Rate 62 gals/min Collected during run 2 of Method 6C and 7E 0

14 Flue Gas Sampling Point Temperature 192.99 Deg F Collected during run 2 of Method 6C and 7E 0

14 Unit 1 & 2 Combined Total Gross Electric Generation 68.6 Mwe Collected during run 2 of Method 6C and 7E 0

14 Flue Gas Carbon Dioxide Content 11.1 % Collected during run 2 of Method 6C and 7E 0

14 Unit 1 & 2 Combined Total Coal Firing Rate 24.72 tons/hr Collected during run 2 of Method 6C and 7E 0

14 Unit 1 & 2 Combined Total Net Electric Generation 63.3 MWh Collected during run 2 of Method 6C and 7E 0

15 Unit 1 & 2 Combined Total Heat Input 808.5 Million Btus/hr Collected during run 3 of Method 6C and 7E 0

15 Unit 1 & 2 Combined Total Steam Output 551 1000 lb steam/hr Collected during run 3 of Method 6C and 7E 0

15 Unit 1 Flue Gas Flow Rate 385.3 KPPH Collected during run 3 of Method 6C and 7E 0

15 Unit 2 Flue Gas Flow Rate 377.5 KPPH Collected during run 3 of Method 6C and 7E 0

15 Unit 1 Pressure Drop Across FGD 12.3 in H2O Collected during run 3 of Method 6C and 7E 0

Thursday, January 13, 2011 Page 21 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010

APCD Run Data

Process Lab Run Data 15 Unit 2 Pressure Drop Across FGD 13.6 in H2O Collected during run 3 of Method 6C and 7E 0

15 Unit 1 FGD Scrubber Liquor Flow Rate 65 gals/min Collected during run 3 of Method 6C and 7E 0

15 Unit 2 FGD Scrubber Liquor Flow Rate 63 gals/min Collected during run 3 of Method 6C and 7E 0

15 Flue Gas Sampling Point Temperature 193 Deg F Collected during run 3 of Method 6C and 7E 0

15 Unit 1 & 2 Combined Total Gross Electric Generation 68.8 Mwe Collected during run 3 of Method 6C and 7E 0

15 Flue Gas Carbon Dioxide Content 11.1 % Collected during run 3 of Method 6C and 7E 0

15 Unit 1 & 2 Combined Total Coal Firing Rate 24.72 tons/hr Collected during run 3 of Method 6C and 7E 0

15 Unit 1 & 2 Combined Total Net Electric Generation 63.1 MWh Collected during run 3 of Method 6C and 7E 0

Run Name Value UOM Comments Target Value 1 OVERFIRE AIR 0 0
1 DRY LIMESTONE INJECTION 0 0
1 BAGHOUSE 0 0

Thursday, January 13, 2011 Page 22 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010 Sampling / Stack Data Results Detail

Location Stack Exit - Method 0011 Average Run Number 1 2 3 Test Date 4/28/2010 4/28/2010 4/28/2010 Run Start Time Run Finish Time Net Traversing Points 24 24 24 Net Run Time, minutes 120 120 120 Nozzle Diameter, inches 0.218 0.218 0.218 0.218 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9873 0.9873 0.9873 0.987 Barometric Pressure, inches of Mercury 29.85 29.85 29.85 29.850 Average Orifice Meter Differential, inches H2O 3.10 3.02 3.11 3.077 Dry Gas Meter Volume Sampled, cubic feet 117.488 115.681 118.602 117.257 Average Dry Gas Meter Temperature, °F 74.58 77.98 82.19 78.250 Dry Gas Meter Volume Sampled, dscf 115.173 112.663 114.636 114.157 Total Moisture Liquid collected, g 350.2 335.1 327 337.433 Volume of Water Vapor, standard cubic feet 16.48 15.77 15.39 15.880 Moisture Content of Stack Gas, % 12.52 12.28 11.84 12.213 Moisture Saturation at Stack Gas Temperature, % 66.48 66.24 63.47 65.397 Dry Mole Fraction 0.8748 0.8772 0.8816 0.878 Carbon Dioxide, % 12.605 12.643 12.635 12.628 Oxygen, % 6.535 6.488 6.496 6.506 Carbon Monoxide & Nitrogen, % 80.86 80.869 80.869 80.866 Fuel Factor 1.14 1.14 1.14 Dry Molecular Weight, lb/lb-Mole 30.28 30.28 30.28 30.280 Wet Molecular weight, lb/lb-Mole 28.74 28.77 28.83 28.780 Flue Gas Static Pressure, inches of H2O -0.92 -0.92 -0.92 -0.920 Absolute Flue Gas Pressure, inches of Mercury 29.78 29.78 29.78 29.780 Average Stack Gas Temperature, °F 191.96 191.79 189.79 191.180 Average Velocity Head, inches of H2O 1.9933121890 6302 1.936510857

97195 1.992462675

75771 1.974
Average Stack Gas Velocity, feet/second 88.49 87.16 88.18 87.943 Stack Cross-Sectional Area, square feet 50.265 50.265 50.265 50.265 Dry Volumetric Flow Rate, dry scfm 188,189.8 185,918.3 189,619.3 187,909.133 Actual Wet Volumetric Flue Gas Flow Rate, acfm 266,877.0 262,865.8 265,942.1 265,228.300 Percent Isokinetic of Sampling Rate, % 98.9 97.9 97.7 98.167 Percent Excess Air, % 44.1 43.7 43.7 43.833 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 96 96 96 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000

Thursday, January 13, 2011 Page 23 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
Location Stack Exit - 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

Thursday, January 13, 2011 Page 24 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
Location Stack Exit - 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

Thursday, January 13, 2011 Page 25 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
Location Stack Exit - Method 26A 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

Thursday, January 13, 2011 Page 26 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
Location Stack Exit - 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

Thursday, January 13, 2011 Page 27 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
Location Stack Exit - 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

Thursday, January 13, 2011 Page 28 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
Location Stack Exit - 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

Thursday, January 13, 2011 Page 29 of 30Utility Boiler MACT ICR - Southampton Power Station Units 1 & 2
8/19/2010
Location Stack Exit - 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

Thursday, January 13, 2011 Page 30 of 30