### Name: Katheryn Curtis

Title: Vice President F&H Merchant Operati Company: Dominion Generation Sign Date: 10/1/2010 Name: Michael P. Martin Title: Senior Project Manager Company: TRC Companies, Inc. Sign Date: 9/27/2010 Permitted Facility Representative / Date Testing Company Representative / Date



## Utility Boiler MACT ICR - Salem Harbor Unit 1

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 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Facility Information: Salem Harbor 24 Fort Avenue

Salem MA01970 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 MA01854 Contact:Michael P. Martin Phone:978-656-3550 Fax: 978-453-4215 Email: mmartin@trcsolutions.com

Air Permit Number: 1626 Permitted Source ID/Name: 1 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: 954 mmBtu/hr dry bottom, wall fired, pulverized coal boiler w/ LNB, SNCR, & ESP. Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:2511900194 FRS #:110000310459

SCC / Description10100202 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 108 2520 3000 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 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010

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 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Sampling / Stack Data Results Summary


### Location Stack Exit - Method 0011 Average Run Number 1 2 3 Test Date 5/7/2010 5/7/2010 5/7/2010 Run Start Time Run Finish Time Net Run Time, minutes 120 120 120 Dry Gas Meter Volume Sampled, dscf 101.713 100.353 97.510 99.859 Moisture Content of Stack Gas, % 8.05 8.24 7.98 8.090 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 10.67 11.101 11.414 11.062 Oxygen, % 9.139 8.645 8.295 8.693 Average Stack Gas Temperature, °F 282.88 286.50 289.50 286.293 Dry Volumetric Flow Rate, dry scfm 152,364.3 150,352.4 147,471.3 150,062.667 Actual Wet Volumetric Flue Gas Flow Rate, acfm 234,708.6 233,219.9 229,021.2 232,316.567 Percent Isokinetic of Sampling Rate, % 96.7 96.7 95.8 96.400 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 1 2 3 Test Date 5/7/2010 5/7/2010 5/7/2010 Run Start Time 10:55:00 AM4:24:00 PM 6:48:00 PM Run Finish Time 12:55:00 PM6:24:00 PM 8:48:00 PM Carbon Dioxide, % 10.67 11.101 11.414 11.062 Oxygen, % 9.139 8.645 8.295 8.693 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 0 0 0 0.000 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Thursday, January 13, 2011 Page 4 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Location Stack Exit - Method 25A Average Run Number 1 2 3 Test Date 5/7/2010 5/7/2010 5/7/2010 Run Start Time 10:55:00 AM4:24:00 PM 6:48:00 PM Run Finish Time 12:55:00 PM6:24:00 PM 8:48:00 PM Carbon Dioxide, % Oxygen, % 9.139 8.645 8.295 8.693 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 8.17 8.29 8.16 8.207 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Location Stack Exit - Method 26A Average Run Number 2 3 4 Test Date 5/6/2010 5/6/2010 5/6/2010 Run Start Time Run Finish Time Net Run Time, minutes 180 180 180 Dry Gas Meter Volume Sampled, dscf 139.293 137.320 134.890 137.168 Moisture Content of Stack Gas, % 11.75 12.71 11.39 11.950 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 13.1 13.2 12.5 12.933 Oxygen, % 6.3 6.2 7.1 6.533 Average Stack Gas Temperature, °F 290.33 294.94 295.08 293.450 Dry Volumetric Flow Rate, dry scfm 133,661.4 129,782.7 128,346.4 130,596.833 Actual Wet Volumetric Flue Gas Flow Rate, acfm 218,371.7 217,379.3 211,882.8 215,877.933 Percent Isokinetic of Sampling Rate, % 100.7 102.2 101.5 101.467 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



### Thursday, January 13, 2011 Page 5 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Location Stack Exit - Method 29 Average Run Number 1 2 3 Test Date 5/4/2010 5/4/2010 5/5/2010 Run Start Time Run Finish Time Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 206.602 209.232 193.995 203.276 Moisture Content of Stack Gas, % 8.41 8.86 9.23 8.833 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 11.746 11.61 12.857 12.071 Oxygen, % 7.899 8.052 6.685 7.545 Average Stack Gas Temperature, °F 296.56 300.48 289.15 295.397 Dry Volumetric Flow Rate, dry scfm 152,034.0 154,876.7 142,972.4 149,961.033 Actual Wet Volumetric Flue Gas Flow Rate, acfm 239,289.0 246,236.0 223,333.8 236,286.267 Percent Isokinetic of Sampling Rate, % 99.2 98.6 99.1 98.967 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 6C Average Run Number 1 2 3 Test Date 5/6/2010 5/6/2010 5/6/2010 Run Start Time 7:01:00 AM 10:18:00 AM 2:25:00 PM

Run Finish Time 10:01:00 AM1:18:00 PM 5:25:00 PM Carbon Dioxide, % 13.13 13.229 12.47 12.943 Oxygen, % 6.342 6.208 7.11 6.553 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 0 0 0 0.000 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Thursday, January 13, 2011 Page 6 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Location Stack Exit - Method 7E Average Run Number 1 2 3 Test Date 5/6/2010 5/6/2010 5/6/2010 Run Start Time 7:01:00 AM 10:18:00 AM 2:25:00 PM

Run Finish Time 10:01:00 AM1:18:00 PM 5:25:00 PM Carbon Dioxide, % 13.13 13.229 12.47 12.943 Oxygen, % 6.342 6.208 7.11 6.553 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 0 0 0 0.000 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000



### Location Stack Exit - OTM - 27/28 Average Run Number 1 2 3 Test Date 5/4/2010 5/4/2010 5/5/2010 Run Start Time Run Finish Time Net Run Time, minutes 345.25 330.75 308.75 Dry Gas Meter Volume Sampled, dscf 126.638 122.880 119.158 122.892 Moisture Content of Stack Gas, % 8.91 8.82 8.99 8.907 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 11.75 11.61 12.86 12.073 Oxygen, % 7.899 8.052 6.685 7.545 Average Stack Gas Temperature, °F 295.08 299.92 288.33 294.443 Dry Volumetric Flow Rate, dry scfm 152,425.9 151,860.9 144,229.9 149,505.567 Actual Wet Volumetric Flue Gas Flow Rate, acfm 242,380.8 245,701.6 225,967.6 238,016.667 Percent Isokinetic of Sampling Rate, % 91.7 93.2 101.9 95.600 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



### Thursday, January 13, 2011 Page 7 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Emissions Summary


### Location: Stack Exit - Method 0011 Compound: Formaldehyde Average RunNumber 1 2 3 Mass_mg 0.0388 0.0417 0.0328 0.038 lb/mmBtuO2 1.46E-05 1.53E-05 1.20E-05 0.000 ppm 1.08E-02 1.18E-02 9.51E-03 0.011 ppm@7%O2 1.28E-02 1.34E-02 1.05E-02 0.012



### Location: Stack Exit - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 1.69E-02 1.60E-02 1.46E-02 0.016 ppm 1.33E+01 1.32E+01 1.24E+01 12.967 ppm@7%O2 1.57E+01 1.50E+01 1.37E+01 14.800



### Location: Stack Exit - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 3.45E-04 1.05E-03 6.47E-04 0.001 ppm 1.73E-01 5.52E-01 3.49E-01 0.358 ppm@7%O2 2.04E-01 6.26E-01 3.85E-01 0.405



### Location: Stack Exit - Method 26A Compound: Hydrogen Chloride Average RunNumber 2 3 4 Mass_mg 6.21 11.8 8.71 8.907 lb/mmBtuO2 1.38E-03 2.63E-03 2.11E-03 0.002 

### Compound: Hydrogen Fluoride Average RunNumber 2 3 4 Mass_mg 8.08 7.65 9.89 8.540 lb/mmBtuO2 1.79E-03 1.71E-03 2.39E-03 0.002



### Location: Stack Exit - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.001127 0.000997 0.000577 0.001 lb/mmBtuO2 1.89E-07 1.67E-07 9.43E-08 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00757 0.00869 0.0033 0.007


### Thursday, January 13, 2011 Page 8 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 lb/mmBtuO2 1.27E-06 1.46E-06 5.39E-07 0.000 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.0003 0.0003 0.0003 0.000 lb/mmBtuO2 5.03E-08 5.03E-08 4.90E-08 0.000 

### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.000234 0.000244 0.00015 0.000 lb/mmBtuO2 3.93E-08 4.09E-08 2.45E-08 0.000 

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.003405 0.002803 0.002637 0.003 lb/mmBtuO2 5.71E-07 4.70E-07 4.31E-07 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.000501 0.000364 0.000336 0.000 lb/mmBtuO2 8.41E-08 6.10E-08 5.49E-08 0.000 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.003724 0.003133 0.002086 0.003 lb/mmBtuO2 6.25E-07 5.25E-07 3.41E-07 0.000 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.00472 0.00402 0.00366 0.004 lb/mmBtuO2 7.92E-07 6.74E-07 5.98E-07 0.000 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.00714 0.00503 0.00757 0.007 lb/mmBtuO2 1.20E-06 8.43E-07 1.24E-06 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.2283 0.2938 0.1205 0.214 lb/mmBtuO2 3.83E-05 4.93E-05 1.97E-05 0.000


### Location: Stack Exit - Method 6C Compound: Sulfur Dioxide Average


### Thursday, January 13, 2011 Page 9 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010

Process Run Data Run 1 2 3 lb/mmBtuO2 7.68E-01 7.62E-01 7.57E-01 0.762 ppm 3.29E+02 3.29E+02 3.07E+02 321.667 ppm@7%O2 3.14E+02 3.11E+02 3.09E+02 311.333



### Location: Stack Exit - Method 7E 

### Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 1.11E-01 1.14E-01 1.17E-01 0.114 ppm 6.64E+01 6.84E+01 6.63E+01 67.033 ppm@7%O2 6.34E+01 6.47E+01 6.68E+01 64.967



### Location: Stack Exit - OTM - 27/28 

### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 1.9 2.4 1 1.767 lb/mmBtuO2 5.20E-04 6.85E-04 2.66E-04 0.000 

### Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 0.5 0.5 0.5 0.500 lb/mmBtuO2 1.37E-04 1.43E-04 1.33E-04 0.000 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 331.41 225.71 274.81 277.310 lb/mmBtuO2 9.07E-02 6.44E-02 7.31E-02 0.076 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 6.19 5.79 10.89 7.623 lb/mmBtuO2 1.69E-03 1.65E-03 2.90E-03 0.002 

### Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 339.5 233.9 286.7 286.700 lb/mmBtuO2 9.29E-02 6.68E-02 7.63E-02 0.079 

### Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 338.1 232 286.2 285.433 lb/mmBtuO2 9.25E-02 6.62E-02 7.61E-02 0.078



### Thursday, January 13, 2011 Page 10 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Process Run Data



### Run Name Value UOM Comments Target Value 11 Unit Net Electric Generation 39 MW Collected during run 2 M0011 0



### 12Heat Input 398Million Btus/hr Collected during run 2 Method 10 and 25A 0

12CO2 11 % Collected during run 2 Method 10 and 25A 0

12Steam Output 3281000 lb steam/hr Collected during run 2 Method 10 and 25A 0

12Coal Firing Rate 17.5 tons/hr Collected during run 2 Method 10 and 25A 0



### 12Urea Flow 38 gph Collected during run 2 Method 10 and 25A 0

12North O2 10.1 % Collected during run 2 Method 10 and 25A 0

12South O2 8.4 % Collected during run 2 Method 10 and 25A 0

12Unit Gross Electrical Output 44 MW Collected during run 2 Method 10 and 25A 0



### 12Unit Net Electric Generation 39 MW Collected during run 2 Method 10 and 25A 0

13Heat Input 399Million Btus/hr Collected during run 3 M0011 0

13CO2 11 % Collected during run 3 M0011 0



### 13 Steam Output 3261000 lb steam/hr Collected during run 3 M0011 0

13Coal Firing Rate 17.5 tons/hr Collected during run 3 M0011 0



### 13Urea Flow 38 gph Collected during run 3 M0011 0

13North O2 10.1 % Collected during run 3 M0011 0



### 13 South O2 8.4 % Collected during run 3 M0011 0

Thursday, January 13, 2011 Page 11 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 13Unit Gross Electrical Output 44 MW Collected during run 3 M0011 0



### 13Unit Net Electric Generation 38 MW Collected during run 3 M0011 0

14Heat Input 409Million Btus/hr Collected during run 3 Method 10 and 25A 0

14CO2 11 % Collected during run 3 Method 10 and 25A 0

14Steam Output 3261000 lb steam/hr Collected during run 3 Method 10 and 25A 0



### 14Coal Firing Rate 18 tons/hr Collected during run 3 Method 10 and 25A 0

14Urea Flow 38 gph Collected during run 3 Method 10 and 25A 0

14North O2 10.1 % Collected during run 3 Method 10 and 25A 0

14South O2 8.3 % Collected during run 3 Method 10 and 25A 0



### 14Unit Gross Electrical Output 44 MW Collected during run 3 Method 10 and 25A 0

14Unit Net Electric Generation 38 MW Collected during run 3 Method 10 and 25A 0

1 Heat Input 419Million Btus/hr Collected during run 1 OTM 27/28 0



### 1 CO2 11 % Collected during run 1 OTM 27/28 0

1 Steam Output 3401000 lb steam/hr Collected during run 1 OTM 27/28 0



### 1 Coal Firing Rate 18.5 tons/hr Collected during run 1 OTM 27/28 0

1 Urea Flow 52 gph Collected during run 1 OTM 27/28 0



### 1 North O2 10.1 % Collected during run 1 OTM 27/28 0

1 South O2 8.6 % Collected during run 1 OTM 27/28 0

1 Unit Gross Electrical Output 46 MW Collected during run 1 OTM 27/28 0



### Thursday, January 13, 2011 Page 12 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 1 Unit Net Electric Generation 41 MW Collected during run 1 OTM 27/28 0



### 2 Heat Input 422Million Btus/hr Collected during run 2 OTM 27/28 0

2 CO2 11 % Collected during run 2 OTM 27/28 0

2 Steam Output 3461000 lb steam/hr Collected during run 2 OTM 27/28 0



### 2 Coal Firing Rate 18.6 tons/hr Collected during run 2 OTM 27/28 0

2 Urea Flow 50 gph Collected during run 2 OTM 27/28 0



### 2 North O2 10.1 % Collected during run 2 OTM 27/28 0

2 South O2 8.4 % Collected during run 2 OTM 27/28 0



### 2 Unit Gross Electrical Output 47 MW Collected during run 2 OTM 27/28 0

2 Unit Net Electric Generation 41 MW Collected during run 2 OTM 27/28 0



### 3 Heat Input 428Million Btus/hr Collected during run 3 OTM 27/28 0

3 CO2 12 % Collected during run 3 OTM 27/28 0



### 3 Steam Output 3511000 lb steam/hr Collected during run 3 OTM 27/28 0

3 Coal Firing Rate 18.8 tons/hr Collected during run 3 OTM 27/28 0



### 3 Urea Flow 43 gph Collected during run 3 OTM 27/28 0

3 North O2 10.1 % Collected during run 3 OTM 27/28 0



### 3 South O2 7.3 % Collected during run 3 OTM 27/28 0

3 Unit Gross Electrical Output 45 MW Collected during run 3 OTM 27/28 0

3 Unit Net Electric Generation 39 MW Collected during run 3 OTM 27/28 0



### 4 Heat Input 420Million Btus/hr Collected during run 1 M29 0

4 CO2 11 % Collected during run 1 M29 0



### 4 Steam Output 3431000 lb steam/hr Collected during run 1 M29 0

4 Coal Firing Rate 18.5 tons/hr Collected during run 1 M29 0



### Thursday, January 13, 2011 Page 13 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 4 Urea Flow 52 gph Collected during run 1 M29 0



### 4 North O2 10.1 % Collected during run 1 M29 0

4 South O2 8.5 % Collected during run 1 M29 0

4 Unit Gross Electrical Output 47 MW Collected during run 1 M29 0



### 4 Unit Net Electric Generation 41 MW Collected during run 1 M29 0

5 Heat Input 420Million Btus/hr Collected during run 2 M29 0



### 5 CO2 11 % Collected during run 2 M29 0

5 Steam Output 3451000 lb steam/hr Collected during run 2 M29 0



### 5 Coal Firing Rate 18.5 tons/hr Collected during run 2 M29 0

5 Urea Flow 51 gph Collected during run 2 M29 0



### 5 North O2 10.1 % Collected during run 2 M29 0

5 South O2 8.5 % Collected during run 2 M29 0



### 5 Unit Gross Electrical Output 47 MW Collected during run 2 M29 0

5 Unit Net Electric Generation 41 MW Collected during run 2 M29 0



### 6 Heat Input 426Million Btus/hr Collected during run 3 M29 0

6 CO2 12 % Collected during run 3 M29 0



### 6 Steam Output 3651000 lb steam/hr Collected during run 3 M29 0

6 Coal Firing Rate 18.8 tons/hr Collected during run 3 M29 0

6 Urea Flow 43 gph Collected during run 3 M29 0



### 6 North O2 10.1 % Collected during run 3 M29 0

6 South O2 6.9 % Collected during run 3 M29 0



### 6 Unit Gross Electrical Output 47 MW Collected during run 3 M29 0

6 Unit Net Electric Generation 41 MW Collected during run 3 M29 0



### Thursday, January 13, 2011 Page 14 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 7 Heat Input 426Million Btus/hr Collected during run 1 M26A, Method 7E and 6C 0

7 CO2 12 % Collected during run 1 M26A, Method 7E and 6C 0



### 7 Steam Output 3391000 lb steam/hr Collected during run 1 M26A, Method 7E and 6C 0

7 Coal Firing Rate 18.8 tons/hr Collected during run 1 M26A, Method 7E and 6C 0

7 Urea Flow 38 gph Collected during run 1 M26A, Method 7E and 6C 0

7 North O2 10.1 % Collected during run 1 M26A, Method 7E and 6C 0



### 7 South O2 7.6 % Collected during run 1 M26A, Method 7E and 6C 0

7 Unit Gross Electrical Output 44 MW Collected during run 1 M26A, Method 7E and 6C 0

7 Unit Net Electric Generation 38 MW Collected during run 1 M26A, Method 7E and 6C 0

8 Heat Input 425Million Btus/hr Collected during run 2 M26A, Method 7E and 6C 0



### 8 CO2 12 % Collected during run 2 M26A, Method 7E and 6C 0

8 Steam Output 3631000 lb steam/hr Collected during run 2 M26A, Method 7E and 6C 0

8 Coal Firing Rate 18.7 tons/hr Collected during run 2 M26A, Method 7E and 6C 0

8 Urea Flow 37 gph Collected during run 2 M26A, Method 7E and 6C 0

8 North O2 10.1 % Collected during run 2 M26A, Method 7E and 6C 0



### 8 South O2 6.6 % Collected during run 2 M26A, Method 7E and 6C 0

Thursday, January 13, 2011 Page 15 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 8 Unit Gross Electrical Output 47 MW Collected during run 2 M26A, Method 7E and 6C 0

8 Unit Net Electric Generation 41 MW Collected during run 2 M26A, Method 7E and 6C 0



### 9 Heat Input 426Million Btus/hr Collected during run 3 M26A, Method 7E and 6C 0

9 CO2 12 % Collected during run 3 M26A, Method 7E and 6C 0

9 Steam Output 3621000 lb steam/hr Collected during run 3 M26A, Method 7E and 6C 0

9 Coal Firing Rate 18.7 tons/hr Collected during run 3 M26A, Method 7E and 6C 0



### 9 Urea Flow 37 gph Collected during run 3 M26A, Method 7E and 6C 0

9 North O2 10.1 % Collected during run 3 M26A, Method 7E and 6C 0

9 South O2 6.6 % Collected during run 3 M26A, Method 7E and 6C 0

9 Unit Gross Electrical Output 47 MW Collected during run 3 M26A, Method 7E and 6C 0



### 9 Unit Net Electric Generation 42 MW Collected during run 3 M26A, Method 7E and 6C 0

10Heat Input 402Million Btus/hr Collected during run 1 M0011, Method 10 and 25A 0

10CO2 11 % Collected during run 1 M0011, Method 10 and 25A 0

10Steam Output 3361000 lb steam/hr Collected during run 1 M0011, Method 10 and 25A 0

10Coal Firing Rate 17.7 tons/hr Collected during run 1 M0011, Method 10 and 25A 0

Thursday, January 13, 2011 Page 16 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010

APCD Run Data

Process Lab Run Data 10Urea Flow 39 gph Collected during run 1 M0011, Method 10 and 25A 0

10North O2 10.1 % Collected during run 1 M0011, Method 10 and 25A 0

10South O2 8.4 % Collected during run 1 M0011, Method 10 and 25A 0

10Unit Gross Electrical Output 46 MW Collected during run 1 M0011, Method 10 and 25A 0

10Unit Net Electric Generation 40 MW Collected during run 1 M0011, Method 10 and 25A 0

11 Heat Input 405Million Btus/hr Collected during run 2 M0011 0



### 11 CO2 11 % Collected during run 2 M0011 0

11 Steam Output 3311000 lb steam/hr Collected during run 2 M0011 0



### 11 Coal Firing Rate 17.8 tons/hr Collected during run 2 M0011 0

11 Urea Flow 37 gph Collected during run 2 M0011 0



### 11 North O2 10.1 % Collected during run 2 M0011 0

11 South O2 8.3 % Collected during run 2 M0011 0

11 Unit Gross Electrical Output 45 MW Collected during run 2 M0011 0

Run Name Value UOM Comments Target Value 

### 1 LOW NOX BURNERS 0 0 1 SELECTIVE NONCATALYTIC REDUCTION FOR NOX 0 0



### 1 ELECTROSTATIC PRECIPITATOR 0 0

Thursday, January 13, 2011 Page 17 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010

Thursday, January 13, 2011 Page 18 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Sampling / Stack Data Results Detail


### Location Stack Exit - Method 0011 Average Run Number 1 2 3 Test Date 5/7/2010 5/7/2010 5/7/2010 Run Start Time Run Finish Time Net Traversing Points 24 24 24 Net Run Time, minutes 120 120 120 Nozzle Diameter, inches 0.259 0.259 0.259 0.259 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9942 0.9942 0.9942 0.994 Barometric Pressure, inches of Mercury 29.82 29.82 29.82 29.820 Average Orifice Meter Differential, inches H2O 2.60 2.56 2.46 2.540 Dry Gas Meter Volume Sampled, cubic feet 105.119 104.938 102.396 104.151 Average Dry Gas Meter Temperature, °F 84.17 90.54 92.73 89.147 Dry Gas Meter Volume Sampled, dscf 101.713 100.353 97.510 99.859 Total Moisture Liquid collected, g 189 191.5 179.8 186.767 Volume of Water Vapor, standard cubic feet 8.90 9.01 8.46 8.790 Moisture Content of Stack Gas, % 8.05 8.24 7.98 8.090 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9195 0.9176 0.9202 0.919 Carbon Dioxide, % 10.67 11.101 11.414 11.062 Oxygen, % 9.139 8.645 8.295 8.693 Carbon Monoxide & Nitrogen, % 80.191 80.254 80.291 80.245 Fuel Factor 1.10 1.10 1.10 Dry Molecular Weight, lb/lb-Mole 30.07 30.12 30.16 30.117 Wet Molecular weight, lb/lb-Mole 29.10 29.12 29.19 29.137 Flue Gas Static Pressure, inches of H2O -1.3 -1.3 -1.3 -1.300 Absolute Flue Gas Pressure, inches of Mercury 29.72 29.72 29.72 29.720 Average Stack Gas Temperature, °F 282.88 286.50 289.50 286.293 Average Velocity Head, inches of H2O 0.8536344038 788690.839238240

0875650.808098462

938774 0.834
Average Stack Gas Velocity, feet/second 61.49 61.10 60.00 60.863 Stack Cross-Sectional Area, square feet 63.617 63.617 63.617 63.617 Dry Volumetric Flow Rate, dry scfm 152,364.3 150,352.4 147,471.3150,062.667 Actual Wet Volumetric Flue Gas Flow Rate, acfm 234,708.6 233,219.9 229,021.2232,316.567 Percent Isokinetic of Sampling Rate, % 96.7 96.7 95.8 96.400 Percent Excess Air, % 76.0 68.9 64.3 69.733 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 108 108 108 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



### Thursday, January 13, 2011 Page 19 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Location Stack Exit - Method 10 Average Run Number 1 2 3 Test Date 5/7/2010 5/7/2010 5/7/2010 Run Start Time 10:55:00 AM 4:24:00 PM 6:48:00 PM Run Finish Time 12:55:00 PM 6:24:00 PM 8:48:00 PM Carbon Dioxide, % 10.67 11.101 11.414 11.062 Oxygen, % 9.139 8.645 8.295 8.693 Fuel Factor 1.1 1.1 1.1 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 0 0 0 0.000 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 0 0 0 0.000 Operating Units No. Readings/Avg. 0 0 0 0.000 Calibration Set 1 1 1 1.000 Calibration Pre Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Pre Zero Cylinder Instrument Response 3.04 2.51 2.75 2.767 Calibration Pre Zero Cylinder Bias 1.48 1.21 1.33 1.340 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC91533 CC91533 CC91533 Calibration Pre High Cylinder Instrument Response 95.29 93.7 93.67 94.220 Calibration Pre High Cylinder Bias 1.33 0.54 0.52 0.797 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Post Zero Cylinder Instrument Response 3.37 2.75 2.89 3.003 Calibration Post Zero Cylinder Bias 1.64 1.33 1.4 1.457 Calibration Post Zero Cylinder Drift 0.16 0.126.999999999 99998E-02 0.117
Calibration Post High Cylinder ID CC91533 CC91533 CC91533 Calibration Post High Cylinder Instrument Response 92.74 93.67 93.14 93.183 Calibration Post High Cylinder Bias 0.06 0.52 0.26 0.280 Calibration Post High Cylinder Drift 1.27 0.02 0.26 0.517 Cavg 16.64 15.92 15.29 15.950 Cavg Units ppmvd ppmvd ppmvd Cgas 13.3388 13.1594 12.4115 12.970 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Thursday, January 13, 2011 Page 20 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Location Stack Exit - Method 25A Average Run Number 1 2 3 Test Date 5/7/2010 5/7/2010 5/7/2010 Run Start Time 10:55:00 AM 4:24:00 PM 6:48:00 PM Run Finish Time 12:55:00 PM 6:24:00 PM 8:48:00 PM Carbon Dioxide, % Oxygen, % 9.139 8.645 8.295 8.693 Fuel Factor 0 0 0 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 8.17 8.29 8.16 8.207 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 0 0 0 0.000 Operating Units No. Readings/Avg. 0 0 0 0.000 Calibration Set 2 2 2 2.000 Calibration Pre Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Pre Zero Cylinder Instrument Response 0.017 0.286 0.495 0.266 Calibration Pre Zero Cylinder Bias -1.69 -0.61 0.23 -0.690 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC178755 CC178755 CC178755 Calibration Pre High Cylinder Instrument Response 6.764 7.29 7.301 7.118 Calibration Pre High Cylinder Bias -0.84 1.27 1.32 0.583 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Post Zero Cylinder Instrument Response 0.227 0.495 0.255 0.326 Calibration Post Zero Cylinder Bias -0.85 0.23 -0.74 -0.453 Calibration Post Zero Cylinder Drift 0.84 0.84 0.97 0.883 Calibration Post High Cylinder ID CC178755 CC178755 CC178755 Calibration Post High Cylinder Instrument Response 6.673 7.301 6.875 6.950 Calibration Post High Cylinder Bias -1.21 1.32 -0.4 -0.097 Calibration Post High Cylinder Drift 0.37 0.05 1.72 0.713 Cavg 0.272 0.89 0.682 0.615 Cavg Units ppmvw ppmvw ppmvw Cgas 0.1734 0.5522 0.3486 0.358 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0.1591980595 770480.506444532

947140.320170862

505586 0.329
Cgasw Units ppmvw ppmvw ppmvw



### Thursday, January 13, 2011 Page 21 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Location Stack Exit - Method 26A Average Run Number 2 3 4 Test Date 5/6/2010 5/6/2010 5/6/2010 Run Start Time Run Finish Time Net Traversing Points 36 36 36 Net Run Time, minutes 180 180 180 Nozzle Diameter, inches 0.259 0.259 0.259 0.259 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9965 0.9965 0.9965 0.997 Barometric Pressure, inches of Mercury 29.57 29.35 29.35 29.423 Average Orifice Meter Differential, inches H2O 2.20 2.12 2.03 2.117 Dry Gas Meter Volume Sampled, cubic feet 146.243 146.239 143.974 145.485 Average Dry Gas Meter Temperature, °F 88.93 92.57 93.69 91.730 Dry Gas Meter Volume Sampled, dscf 139.293 137.320 134.890 137.168 Total Moisture Liquid collected, g 394 425 368.4 395.800 Volume of Water Vapor, standard cubic feet 18.55 20.00 17.34 18.630 Moisture Content of Stack Gas, % 11.75 12.71 11.39 11.950 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8825 0.8729 0.8861 0.881 Carbon Dioxide, % 13.1 13.2 12.5 12.933 Oxygen, % 6.3 6.2 7.1 6.533 Carbon Monoxide & Nitrogen, % 80.6 80.6 80.4 80.533 Fuel Factor 1.11 1.11 1.10 Dry Molecular Weight, lb/lb-Mole 30.35 30.36 30.28 30.330 Wet Molecular weight, lb/lb-Mole 28.90 28.79 28.88 28.857 Flue Gas Static Pressure, inches of H2O -1.1 -1.25 -1.4 -1.250 Absolute Flue Gas Pressure, inches of Mercury 29.49 29.26 29.25 29.333 Average Stack Gas Temperature, °F 290.33 294.94 295.08 293.450 Average Velocity Head, inches of H2O 0.7209317239 142940.701715916

2224280.668541599

004948 0.697
Average Stack Gas Velocity, feet/second 57.21 56.95 55.51 56.557 Stack Cross-Sectional Area, square feet 63.617 63.617 63.617 63.617 Dry Volumetric Flow Rate, dry scfm 133,661.4 129,782.7 128,346.4130,596.833 Actual Wet Volumetric Flue Gas Flow Rate, acfm 218,371.7 217,379.3 211,882.8215,877.933 Percent Isokinetic of Sampling Rate, % 100.7 102.2 101.5 101.467 Percent Excess Air, % 42.1 41.1 50.3 44.500 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 108 108 108 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



### Thursday, January 13, 2011 Page 22 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Location Stack Exit - Method 29 Average Run Number 1 2 3 Test Date 5/4/2010 5/4/2010 5/5/2010 Run Start Time Run Finish Time Net Traversing Points 48 48 48 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.258 0.258 0.258 0.258 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9965 0.9965 0.9965 0.997 Barometric Pressure, inches of Mercury 29.8 29.8 30 29.867 Average Orifice Meter Differential, inches H2O 2.69 2.81 2.38 2.627 Dry Gas Meter Volume Sampled, cubic feet 216.605 221.617 201.608 213.277 Average Dry Gas Meter Temperature, °F 93.06 98.91 91.46 94.477 Dry Gas Meter Volume Sampled, dscf 206.602 209.232 193.995 203.276 Total Moisture Liquid collected, g 402.9 432 419 417.967 Volume of Water Vapor, standard cubic feet 18.96 20.33 19.72 19.670 Moisture Content of Stack Gas, % 8.41 8.86 9.23 8.833 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9159 0.9114 0.9077 0.912 Carbon Dioxide, % 11.746 11.61 12.857 12.071 Oxygen, % 7.899 8.052 6.685 7.545 Carbon Monoxide & Nitrogen, % 80.355 80.338 80.458 80.384 Fuel Factor 1.11 1.11 1.11 Dry Molecular Weight, lb/lb-Mole 30.20 30.18 30.32 30.233 Wet Molecular weight, lb/lb-Mole 29.17 29.10 29.18 29.150 Flue Gas Static Pressure, inches of H2O -0.85 -0.85 -0.85 -0.850 Absolute Flue Gas Pressure, inches of Mercury 29.74 29.74 29.94 29.807 Average Stack Gas Temperature, °F 296.56 300.48 289.15 295.397 Average Velocity Head, inches of H2O 0.8739484012 561620.918331511

808710.774138397

857432 0.855
Average Stack Gas Velocity, feet/second 62.69 64.51 58.51 61.903 Stack Cross-Sectional Area, square feet 63.617 63.617 63.617 63.617 Dry Volumetric Flow Rate, dry scfm 152,034.0 154,876.7 142,972.4149,961.033 Actual Wet Volumetric Flue Gas Flow Rate, acfm 239,289.0 246,236.0 223,333.8236,286.267 Percent Isokinetic of Sampling Rate, % 99.2 98.6 99.1 98.967 Percent Excess Air, % 59.3 61.2 45.9 55.467 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 108 108 108 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



### Thursday, January 13, 2011 Page 23 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Location Stack Exit - Method 6C Average Run Number 1 2 3 Test Date 5/6/2010 5/6/2010 5/6/2010 Run Start Time 7:01:00 AM10:18:00 AM 2:25:00 PM Run Finish Time 10:01:00 AM 1:18:00 PM 5:25:00 PM Carbon Dioxide, % 13.13 13.229 12.47 12.943 Oxygen, % 6.342 6.208 7.11 6.553 Fuel Factor 1.11 1.11 1.11 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 0 0 0 0.000 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 0 0 0 0.000 Operating Units No. Readings/Avg. 0 0 0 0.000 Calibration Set 3 3 3 3.000 Calibration Pre Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Pre Zero Cylinder Instrument Response 5.05 13.61 12.41 10.357 Calibration Pre Zero Cylinder Bias 0.97 2.88 2.61 2.153 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC301684 CC301684 CC301684 Calibration Pre High Cylinder Instrument Response 443.49 445.03 443.76 444.093 Calibration Pre High Cylinder Bias -1.77 -1.43 -1.71 -1.637 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Post Zero Cylinder Instrument Response 13.61 12.41 19.38 15.133 Calibration Post Zero Cylinder Bias 2.88 2.61 4.16 3.217 Calibration Post Zero Cylinder Drift 1.91 0.27 1.55 1.243 Calibration Post High Cylinder ID CC301684 CC301684 CC301684 Calibration Post High Cylinder Instrument Response 445.03 443.76 437.22 442.003 Calibration Post High Cylinder Bias -1.43 -1.71 -3.17 -2.103 Calibration Post High Cylinder Drift 0.34 0.28 1.46 0.693 Cavg 327.76 329.15 306.22 321.043 Cavg Units ppmvd ppmvd ppmvd Cgas 329.0241 329.3423 307.2859 321.884 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Thursday, January 13, 2011 Page 24 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Location Stack Exit - Method 7E Average Run Number 1 2 3 Test Date 5/6/2010 5/6/2010 5/6/2010 Run Start Time 7:01:00 AM10:18:00 AM 2:25:00 PM Run Finish Time 10:01:00 AM 1:18:00 PM 5:25:00 PM Carbon Dioxide, % 13.13 13.229 12.47 12.943 Oxygen, % 6.342 6.208 7.11 6.553 Fuel Factor 1.11 1.11 1.11 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 0 0 0 0.000 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 0 0 0 0.000 Operating Units No. Readings/Avg. 0 0 0 0.000 Calibration Set 4 4 4 4.000 Calibration Pre Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Pre Zero Cylinder Instrument Response 0.14 0.02 0.03 0.063 Calibration Pre Zero Cylinder Bias 0.12 0.05 0.06 0.077 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID SG914537 SG914537 SG914537 Calibration Pre High Cylinder Instrument Response 88.08 88.49 88.42 88.330 Calibration Pre High Cylinder Bias -1.6 -1.38 -1.42 -1.467 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC281576 CC281576 CC281576 Calibration Post Zero Cylinder Instrument Response 0.02 0.03 0.36 0.137 Calibration Post Zero Cylinder Bias 0.05 0.06 0.24 0.117 Calibration Post Zero Cylinder Drift 0.07 0.01 0.18 0.087 Calibration Post High Cylinder ID SG914537 SG914537 SG914537 Calibration Post High Cylinder Instrument Response 88.49 88.42 88.7 88.537 Calibration Post High Cylinder Bias -1.38 -1.42 -1.27 -1.357 Calibration Post High Cylinder Drift 0.22 0.04 0.15 0.137 Cavg 64.35 66.43 64.5 65.093 Cavg Units ppmvd ppmvd ppmvd Cgas 66.3649 68.395 66.2808 67.014 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Thursday, January 13, 2011 Page 25 of 26

### Utility Boiler MACT ICR - Salem Harbor Unit 1
10/1/2010 Location Stack Exit - OTM - 27/28 Average Run Number 1 2 3 Test Date 5/4/2010 5/4/2010 5/5/2010 Run Start Time Run Finish Time Net Traversing Points 12 12 12 Net Run Time, minutes 345.25 330.75 308.75 Nozzle Diameter, inches 0.175 0.175 0.175 0.175 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 29.6 29.25 29.8 29.550 Average Orifice Meter Differential, inches H2O 0.44 0.45 0.47 0.453 Dry Gas Meter Volume Sampled, cubic feet 136.645 135.638 125.908 132.730 Average Dry Gas Meter Temperature, °F 97.08 103.17 89.25 96.500 Dry Gas Meter Volume Sampled, dscf 126.638 122.880 119.158 122.892 Total Moisture Liquid collected, g 263.3 252.7 250 255.333 Volume of Water Vapor, standard cubic feet 12.39 11.89 11.77 12.017 Moisture Content of Stack Gas, % 8.91 8.82 8.99 8.907 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.9109 0.9118 0.9101 0.911 Carbon Dioxide, % 11.75 11.61 12.86 12.073 Oxygen, % 7.899 8.052 6.685 7.545 Carbon Monoxide & Nitrogen, % 80.351 80.338 80.455 80.381 Fuel Factor 1.11 1.11 1.11 Dry Molecular Weight, lb/lb-Mole 30.20 30.18 30.33 30.237 Wet Molecular weight, lb/lb-Mole 29.11 29.11 29.22 29.147 Flue Gas Static Pressure, inches of H2O -0.85 -0.85 -0.85 -0.850 Absolute Flue Gas Pressure, inches of Mercury 29.54 29.19 29.74 29.490 Average Stack Gas Temperature, °F 295.08 299.92 288.33 294.443 Average Velocity Head, inches of H2O 0.8903323267 879420.898311843

648410.789136987

280673 0.859
Average Stack Gas Velocity, feet/second 63.50 64.37 59.20 62.357 Stack Cross-Sectional Area, square feet 63.617 63.617 63.617 63.617 Dry Volumetric Flow Rate, dry scfm 152,425.9 151,860.9 144,229.9149,505.567 Actual Wet Volumetric Flue Gas Flow Rate, acfm 242,380.8 245,701.6 225,967.6238,016.667 Percent Isokinetic of Sampling Rate, % 91.7 93.2 101.9 95.600 Percent Excess Air, % 59.3 61.2 45.9 55.467 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 108 108 108 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 10640 10640 1064010,640.000 Fc 1800 1800 1800 1,800.000



### Thursday, January 13, 2011 Page 26 of 26