### Name: C.D. Holley

Title: Manager F&H System Operations Company: Dominion Generation Sign Date: 8/19/2010 Name: Michael P. Martin Title: Senior Project Manager Company: TRC Companies, Inc. Sign Date: 7/29/2010 Permitted Facility Representative / Date Testing Company Representative / Date



## Utility Boiler MACT ICR - Clover Power Station 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.

Wednesday, January 12, 2011 Page 1 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010 Facility Information:
Clover
P.O. Box 245
Route 92
Clover VA 24534 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: 7213 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: 5100 mmBtu/hr tangentially fired, pulverized coal boiler with LNB w/ overfire air, SNCR, wet limestone FGD, & baghouse. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 5108300046 FRS #: 110007008175

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 267 1012 2682 4 0 6 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Carbon Monoxide Method 10 3 180 0 Stack Exit Total organic compounds

(TOC) as Propane Method 25A 3 180 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 Selenium Method 29 3 240 0 Stack Exit


### Wednesday, January 12, 2011 Page 2 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
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.

Antimony Method 29 3 240 0 Stack Exit Arsenic Method 29 3 240 0 Stack Exit Beryllium Method 29 3 240 0 Stack Exit Cadmium Method 29 3 240 0 Stack Exit Chromium Method 29 3 240 0 Stack Exit Lead Method 29 3 240 0 Stack Exit Manganese Method 29 3 240 0 Stack Exit Nickel Method 29 3 240 0 Stack Exit Cobalt Method 29 3 240 0 Stack Exit Inorganic (Aqueous)

Condensible Part. Method 5/OTM-28 3 240 0 Stack Exit
Organic Condensible

Particulate Method 5/OTM-28 3 240 0 Stack Exit

Total Particulate Method 5/OTM-28 3 240 0 Stack Exit Filterable Particulate Method 5/OTM-28 3 240 0 Stack Exit Sulfur Dioxide Method 6C 3 180 0 Stack Exit Nitrogen oxides (NOx) Method 7E 3 180 0 Stack Exit



### Wednesday, January 12, 2011 Page 3 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010 Sampling / Stack Data Results Summary



### 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



### 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



### Wednesday, January 12, 2011 Page 4 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010
Location Stack Exit - Method 26A Average Run Number 1 2 3
Test Date 4/2/2010 4/3/2010 4/3/2010 Run Start Time
Run Finish Time Net Run Time, minutes 192 192 192 Dry Gas Meter Volume Sampled, dscf 138.612 138.430 139.786 138.943 Moisture Content of Stack Gas, % 16.09 15.62 15.52 15.743 Moisture Saturation at Stack Gas Temperature, % 13.72 13.64 12.73 13.363 Carbon Dioxide, % 13.01 12.974 12.837 12.940 Oxygen, % 6.161 6.249 6.383 6.264 Average Stack Gas Temperature, °F 125.90 125.67 123.13 124.900 Dry Volumetric Flow Rate, dry scfm 1,084,528.9 1,097,036.1 1,119,055.4 1,100,206.80 0 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,414,686.3 1,430,083.6 1,437,315.7 1,427,361.86 7 Percent Isokinetic of Sampling Rate, % 101.7 100.4 99.4 100.500 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 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



### Wednesday, January 12, 2011 Page 5 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010
Location Stack Exit - Method 5/OTM-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



### 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



### Wednesday, January 12, 2011 Page 6 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
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



### Wednesday, January 12, 2011 Page 7 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010 Emissions Summary



### Location: Stack Exit - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 1.73E-02 3.63E-03 2.96E-03 0.008 ppm 1.72E+01 3.58E+00 2.90E+00 7.893 ppm@7%O2 1.62E+01 3.40E+00 2.78E+00 7.460



### Location: Stack Exit - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000 ppm 0.00E+00 0.00E+00 0.00E+00 0.000 ppm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000



### Location: Stack Exit - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 1.61 1.52 1.92 1.683 lb/mmBtuO2 3.55E-04 3.38E-04 4.26E-04 0.000 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.763 0.767 0.792 0.774 lb/mmBtuO2 1.68E-04 1.70E-04 1.76E-04 0.000



### Location: Stack Exit - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.000843 0.000587 0.000339 0.001 lb/mmBtuO2 1.55E-07 1.04E-07 6.09E-08 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00194 0.00157 0.00117 0.002 lb/mmBtuO2 3.56E-07 2.77E-07 2.10E-07 0.000 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.0002 0.0002 0.0002 0.000 lb/mmBtuO2 3.67E-08 3.53E-08 3.59E-08 0.000



### Wednesday, January 12, 2011 Page 8 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010 Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.00272 0.000352 0.000356 0.001 lb/mmBtuO2 4.99E-07 6.22E-08 6.39E-08 0.000 

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.0441 0.0556 0.0393 0.046 lb/mmBtuO2 8.09E-06 9.82E-06 7.06E-06 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.00124 0.00112 0.000792 0.001 lb/mmBtuO2 2.27E-07 1.98E-07 1.42E-07 0.000 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.00271 0.00171 0.00164 0.002 lb/mmBtuO2 4.97E-07 3.02E-07 2.95E-07 0.000 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.0596 0.0634 0.0619 0.062 lb/mmBtuO2 1.09E-05 1.12E-05 1.11E-05 0.000 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.0591 0.0527 0.0366 0.049 lb/mmBtuO2 1.08E-05 9.31E-06 6.57E-06 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.023 0.0184 0.0194 0.020 lb/mmBtuO2 4.22E-06 3.25E-06 3.48E-06 0.000



### Location: Stack Exit - Method 5/OTM-28 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 20.5 15.3 14.5 16.767 lb/mmBtuO2 3.75E-03 2.60E-03 2.55E-03 0.003 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 7.9 483.7 27.4 173.000


### Wednesday, January 12, 2011 Page 9 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010

Process Run Data lb/mmBtuO2 1.45E-03 8.21E-02 4.82E-03 0.029 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 1.6 41 2.1 14.900 lb/mmBtuO2 2.93E-04 6.96E-03 3.69E-04 0.003 

### Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 28 538 42 202.667 lb/mmBtuO2 5.13E-03 9.14E-02 7.39E-03 0.035



### Location: Stack Exit - Method 6C Compound: Sulfur Dioxide Average Run 1 2 3 lb/mmBtuO2 4.63E-02 4.26E-02 4.26E-02 0.044 ppm 2.01E+01 1.84E+01 1.82E+01 18.900 ppm@7%O2 1.90E+01 1.75E+01 1.74E+01 17.967



### Location: Stack Exit - Method 7E Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 2.84E-01 3.18E-01 3.33E-01 0.312 ppm 1.71E+02 1.91E+02 1.98E+02 186.667 ppm@7%O2 1.61E+02 1.81E+02 1.90E+02 177.333



### Wednesday, January 12, 2011 Page 10 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010 Process Run Data



### Run Name Value UOM Comments Target Value 1 Heat Input 4244.1 Million Btus/hr Collected during M29 run 1 Collected during M29 run 1 and M5/OTM28 run 1 0



### 1 Steam Output 3285.5 1000 lb steam/hr Collected during M29 run 1 and M5/OTM28 run 1 0

1 Fuel Oil Firing Rate 0 gal/hr Collected during M29 run 1 and M5/OTM28 run 1 0

1 Flue Gas Flow Rate 1E+06 dscfm Collected during M29 run 1 and M5/OTM28 run 1 0



### 1 Pressure Drop Across FGD 2.4 in H20 Collected during M29 run 1 and M5/OTM28 run 1 0

1 Flue Gas Carbon Dioxide Content 12.31 % Collected during M29 run 1 and M5/OTM28 run 1 0

1 Flue Gas Sampling Point Temperature 127.6 Deg F Collected during M29 run 1 and M5/OTM28 run 1 0

1 Unit Gross Electrical Output 460.5 Mwe Collected during M29 run 1 and M5/OTM28 run 1 0



### 1 Unit Net Electric Generation 430.92 MWh Collected during M29 run 1 and M5/OTM28 run 1 0

2 Heat Input 4169.5 Million Btus/hr Collected during M29 run 2 and M5/OTM28 run 2 0

2 Steam Output 3266.6 1000 lb steam/hr Collected during M29 run 2 and M5/OTM28 run 2 0

2 Fuel Oil Firing Rate 0 gal/hr Collected during M29 run 2 and M5/OTM28 run 2 0



### 2 Flue Gas Flow Rate 1E+06 dscfm Collected during M29 run 2 and M5/OTM28 run 2 0

2 Pressure Drop Across FGD 2.37 in H20 Collected during M29 run 2 and M5/OTM28 run 2 0

Wednesday, January 12, 2011 Page 11 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010 2 Flue Gas Carbon Dioxide Content 12 % Collected during M29 run 2 and M5/OTM28 run 2 0

2 Flue Gas Sampling Point Temperature 126.4 Deg F Collected during M29 run 2 and M5/OTM28 run 2 0



### 2 Unit Gross Electrical Output 459.17 Mwe Collected during M29 run 2 and M5/OTM28 run 2 0

2 Unit Net Electric Generation 429.52 MWh Collected during M29 run 2 and M5/OTM28 run 2 0

3 Heat Input 4232.7 Million Btus/hr Collected during M29 run 3 and M5/OTM28 run 3 0

3 Steam Output 3256.1 1000 lb steam/hr Collected during M29 run 3 and M5/OTM28 run 3 0



### 3 Fuel Oil Firing Rate 0 gal/hr Collected during M29 run 3 and M5/OTM28 run 3 0

3 Flue Gas Flow Rate 1E+06 dscfm Collected during M29 run 3 and M5/OTM28 run 3 0

3 Pressure Drop Across FGD 2.68 in H20 Collected during M29 run 3 and M5/OTM28 run 3 0

3 Flue Gas Carbon Dioxide Content 11.63 % Collected during M29 run 3 and M5/OTM28 run 3 0



### 3 Flue Gas Sampling Point Temperature 126.63 Deg F Collected during M29 run 3 and M5/OTM28 run 3 0

3 Unit Gross Electrical Output 458.4 Mwe Collected during M29 run 3 and M5/OTM28 run 3 0

3 Unit Net Electric Generation 427.52 MWh Collected during M29 run 3 and M5/OTM28 run 3 0

4 Heat Input 4119.9 Million Btus/hr Collected during M26A run 1 0



### 4 Steam Output 3136.5 1000 lb steam/hr Collected during M26A run 1 0

4 Fuel Oil Firing Rate 0 gal/hr Collected during M26A run 1 0



### 4 Flue Gas Flow Rate 1E+06 dscfm Collected during M26A run 1 0

Wednesday, January 12, 2011 Page 12 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010 4 Pressure Drop Across FGD 2.47 in H20 Collected during M26A run 1 0



### 4 Flue Gas Carbon Dioxide Content 11.41 % Collected during M26A run 1 0

4 Flue Gas Sampling Point Temperature 128.55 Deg F Collected during M26A run 1 0

4 Unit Gross Electrical Output 436.5 Mwe Collected during M26A run 1 0



### 4 Unit Net Electric Generation 407.57 MWh Collected during M26A run 1 0

5 Heat Input 4091.6 Million Btus/hr Collected during M26A run 2 0



### 5 Steam Output 3095.7 1000 lb steam/hr Collected during M26A run 2 0

5 Fuel Oil Firing Rate 0 gal/hr Collected during M26A run 2 0



### 5 Flue Gas Flow Rate 1E+06 dscfm Collected during M26A run 2 0

5 Pressure Drop Across FGD 2.4 in H20 Collected during M26A run 2 0



### 5 Flue Gas Carbon Dioxide Content 11.45 % Collected during M26A run 2 0

5 Flue Gas Sampling Point Temperature 127.25 Deg F Collected during M26A run 2 0



### 5 Unit Gross Electrical Output 437 Mwe Collected during M26A run 2 0

5 Unit Net Electric Generation 407.21 MWh Collected during M26A run 2 0



### 6 Heat Input 4108.6 Million Btus/hr Collected during M26A run 3 0

6 Steam Output 3114.8 1000 lb steam/hr Collected during M26A run 3 0



### 6 Fuel Oil Firing Rate 0 gal/hr Collected during M26A run 3 0

6 Flue Gas Flow Rate 1E+06 dscfm Collected during M26A run 3 0

6 Pressure Drop Across FGD 2.4 in H20 Collected during M26A run 3 0



### 6 Flue Gas Carbon Dioxide Content 11.41 % Collected during M26A run 3 0

6 Flue Gas Sampling Point Temperature 127.31 Deg F Collected during M26A run 3 0



### 6 Unit Gross Electrical Output 436.75 Mwe Collected during M26A run 3 0

6 Unit Net Electric Generation 407.82 MWh Collected during M26A run 3 0



### Wednesday, January 12, 2011 Page 13 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010
7 Heat Input 4123.4 Million Btus/hr Collected during run 1 of Method 10, 6C, 7E, 25A 0

7 Steam Output 3124.6 1000 lb steam/hr Collected during run 1 of Method 10, 6C, 7E, 25A 0



### 7 Fuel Oil Firing Rate 0 gal/hr Collected during run 1 of Method 10, 6C, 7E, 25A 0

7 Flue Gas Flow Rate 1E+06 dscfm Collected during run 1 of Method 10, 6C, 7E, 25A 0

7 Pressure Drop Across FGD 2.46 in H20 Collected during run 1 of Method 10, 6C, 7E, 25A 0

7 Flue Gas Carbon Dioxide Content 11.55 % Collected during run 1 of Method 10, 6C, 7E, 25A 0



### 7 Flue Gas Sampling Point Temperature 128.93 Deg F Collected during run 1 of Method 10, 6C, 7E, 25A 0

7 Unit Gross Electrical Output 436 Mwe Collected during run 1 of Method 10, 6C, 7E, 25A 0

7 Unit Net Electric Generation 405.94 MWh Collected during run 1 of Method 10, 6C, 7E, 25A 0

8 Heat Input 4088.1 Million Btus/hr Collected during run 2 of Method 10, 6C, 7E, 25A 0



### 8 Steam Output 3101.7 1000 lb steam/hr Collected during run 2 of Method 10, 6C, 7E, 25A 0

8 Fuel Oil Firing Rate 0 gal/hr Collected during run 2 of Method 10, 6C, 7E, 25A 0

8 Flue Gas Flow Rate 1E+06 dscfm Collected during run 2 of Method 10, 6C, 7E, 25A 0

8 Pressure Drop Across FGD 2.4 in H20 Collected during run 2 of Method 10, 6C, 7E, 25A 0

8 Flue Gas Carbon Dioxide Content 11.48 % Collected during run 2 of Method 10, 6C, 7E, 25A 0



### 8 Flue Gas Sampling Point Temperature 127.31 Deg F Collected during run 2 of Method 10, 6C, 7E, 25A 0

Wednesday, January 12, 2011 Page 14 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010 8 Unit Gross Electrical Output 437 Mwe Collected during run 2 of Method 10, 6C, 7E, 25A 0

8 Unit Net Electric Generation 407.75 MWh Collected during run 2 of Method 10, 6C, 7E, 25A 0



### 9 Heat Input 4131.1 Million Btus/hr Collected during run 3 of Method 10, 6C, 7E, 25A 0

9 Steam Output 3122.2 1000 lb steam/hr Collected during run 3 of Method 10, 6C, 7E, 25A 0

9 Fuel Oil Firing Rate 0 gal/hr Collected during run 3 of Method 10, 6C, 7E, 25A 0

9 Flue Gas Flow Rate 1E+06 dscfm Collected during run 3 of Method 10, 6C, 7E, 25A 0



### 9 Pressure Drop Across FGD 2.4884 in H20 Collected during run 3 of Method 10, 6C, 7E, 25A 0

9 Flue Gas Carbon Dioxide Content 11.39 % Collected during run 3 of Method 10, 6C, 7E, 25A 0

9 Flue Gas Sampling Point Temperature 127.53 Deg F Collected during run 3 of Method 10, 6C, 7E, 25A 0

9 Unit Gross Electrical Output 436.67 Mwe Collected during run 3 of Method 10, 6C, 7E, 25A 0



### 9 Unit Net Electric Generation 407.71 MWh Collected during run 3 of Method 10, 6C, 7E, 25A 0

1 Coal Firing Rate 172.62 tons/day Collected during M29 run 1 Collected during M29 run 1 and M5/OTM28 run 1 0

1 FGD Scrubber Liquor Flow Rate 150727 gal/min Collected during M29 run 1 Collected during M29 run 1 and M5/OTM28 run 1 0

2 Coal Firing Rate 172.81 tons/day Collected during M29 run 2 and M5/OTM28 run 2 0



### 2 FGD Scrubber Liquor Flow Rate 150727 gal/min Collected during M29 run 2 and M5/OTM28 run 2 0

Wednesday, January 12, 2011 Page 15 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010

APCD Run Data 3 Coal Firing Rate 178.87 tons/day Collected during M29 run 3 and M5/OTM28 run 3 0

3 FGD Scrubber Liquor Flow Rate 150727 gal/min Collected during M29 run 3 and M5/OTM28 run 3 0



### 4 Coal Firing Rate 163.03 tons/day Collected during M26A run 1 0

4 FGD Scrubber Liquor Flow Rate 150727 gal/min Collected during M26A run 1 0

5 Coal Firing Rate 161.92 tons/day Collected during M26A run 2 0

5 FGD Scrubber Liquor Flow Rate 150727 gal/min Collected during M26A run 2 0

6 Coal Firing Rate 161.64 tons/day Collected during M26A run 3 0



### 6 FGD Scrubber Liquor Flow Rate 150727 gal/min Collected during M26A run 3 0

7 Coal Firing Rate 162.71 tons/day Collected during run 1 of Method 10, 6C, 7E, 25A 0



### 7 FGD Scrubber Liquor Flow Rate 150727 gal/min Collected during run 1 of Method 10, 6C, 7E, 25A 0

8 Coal Firing Rate 161.52 tons/day Collected during run 2 of Method 10, 6C, 7E, 25A 0

8 FGD Scrubber Liquor Flow Rate 150727 gal/min Collected during run 2 of Method 10, 6C, 7E, 25A 0

9 Coal Firing Rate 162.11 tons/day Collected during run 3 of Method 10, 6C, 7E, 25A 0



### 9 FGD Scrubber Liquor Flow Rate 150727 gal/min Collected during run 3 of Method 10, 6C, 7E, 25A 0

Run Name Value UOM Comments Target Value 

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

1 WET SCRUBBER 0 0
1 BAGHOUSE 0 0



### Wednesday, January 12, 2011 Page 16 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010 Process Lab Run Data



### Run Name Value UOM Comments 1 Scrubbing Liquid - Total Suspended Solids 1E+05 mg/L 

### 1 Scrubbing Liquid - Total Dissolved Solids 90280 mg/L 2 Scrubbing Liquid - Total Suspended Solids 1E+05 mg/L 2 Scrubbing Liquid - Total Dissolved Solids 86840 mg/L 3 Scrubbing Liquid - Total Suspended Solids 1E+05 mg/L 

### 3 Scrubbing Liquid - Total Dissolved Solids 83310 mg/L

Wednesday, January 12, 2011 Page 17 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010 Sampling / Stack Data Results Detail



### 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



### Wednesday, January 12, 2011 Page 18 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
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



### Wednesday, January 12, 2011 Page 19 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010
Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 4/2/2010 4/3/2010 4/3/2010 Run Start Time Run Finish Time Net Traversing Points 48 48 48 Net Run Time, minutes 192 192 192 Nozzle Diameter, inches 0.216 0.216 0.216 0.216 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9916 0.9916 0.9916 0.992 Barometric Pressure, inches of Mercury 29.55 29.55 29.55 29.550 Average Orifice Meter Differential, inches H2O 1.87 1.85 1.99 1.903 Dry Gas Meter Volume Sampled, cubic feet 147.765 144.956 147.014 146.578 Average Dry Gas Meter Temperature, °F 93.80 83.96 86.52 88.093 Dry Gas Meter Volume Sampled, dscf 138.612 138.430 139.786 138.943 Total Moisture Liquid collected, g 564.7 544.5 545.7 551.633 Volume of Water Vapor, standard cubic feet 26.58 25.63 25.69 25.967 Moisture Content of Stack Gas, % 16.09 15.62 15.52 15.743 Moisture Saturation at Stack Gas Temperature, % 13.72 13.64 12.73 13.363 Dry Mole Fraction 0.8628 0.8636 0.8727 0.866 Carbon Dioxide, % 13.01 12.974 12.837 12.940 Oxygen, % 6.161 6.249 6.383 6.264 Carbon Monoxide & Nitrogen, % 80.829 80.777 80.78 80.795 Fuel Factor 1.13 1.13 1.13 Dry Molecular Weight, lb/lb-Mole 30.33 30.33 30.31 30.323 Wet Molecular weight, lb/lb-Mole 29.06 29.00 29.25 29.103 Flue Gas Static Pressure, inches of H2O -0.73 -1 -1 -0.910 Absolute Flue Gas Pressure, inches of Mercury 29.50 29.48 29.48 29.487 Average Stack Gas Temperature, °F 125.90 125.67 123.13 124.900 Average Velocity Head, inches of H2O 1.0432460117 5448 1.063574948

01302 1.088418093

92919 1.065
Average Stack Gas Velocity, feet/second 60.64 61.30 61.61 61.183 Stack Cross-Sectional Area, square feet 388.821 388.821 388.821 388.821 Dry Volumetric Flow Rate, dry scfm 1,084,528.9 1,097,036.1 1,119,055.4 1,100,206.8 00 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,414,686.3 1,430,083.6 1,437,315.7 1,427,361.8 67 Percent Isokinetic of Sampling Rate, % 101.7 100.4 99.4 100.500 Percent Excess Air, % 40.6 41.4 42.7 41.567 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 267 267 267 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



### Wednesday, January 12, 2011 Page 20 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
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



### Wednesday, January 12, 2011 Page 21 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
8/19/2010
Location Stack Exit - Method 5/OTM-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, January 12, 2011 Page 22 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
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



### Wednesday, January 12, 2011 Page 23 of 24

### Utility Boiler MACT ICR - Clover Power Station Unit 1
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



### Wednesday, January 12, 2011 Page 24 of 24