### Name: Donald Keisling

Title: General manager and Director of Oper Company: Westmoreland Partners, LLC Sign Date: 8/30/2010 Name: Westmoreland Partners, LLC Title: President Company: The Air Compliance Group, LLC Sign Date: 8/26/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## Westmorland-LG&E Roanoke Valley II

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.

Friday, February 18, 2011 Page 1 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010 Facility Information: Westmorland-LG&E Roanoke Valley II
290 Power Place

Weldon NC 27890 Contact: Mr. Chris Hews Phone: 252-536-3200 Ext. 232 Fax: 252-536-4448 Email: chris.hews@pwrops.com Testing Company: The Air Compliance Group, LLC
5075 Hollins Road

Roanoke VA 24019 Contact: Arthur B. Nunn, III - President Phone: 540-265-1987, Ext. 201 Fax: 540-265-0082 Email: art.nunn@aircompgroup.com

Air Permit Number: 54755 Permitted Source ID/Name: Enter the Boiler ID of the tested boiler (left) BLR2 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:
45.1 MW Coal Fired Boiler Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 54755 FRS #: Enter FRS ID

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 109 2148 1842 2 0 12 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location % H2O Method 1 - 4 3 180 0 Stack Exit Carbon Monoxide Method 10 3 120 0 Stack Exit Formaldehyde Method 0011 3 120 0 Stack Exit 2,3,7,8-TCDD Method 23 3 480 0 Stack Exit 1,2,3,7,8-PeCDD Method 23 3 480 0 Stack Exit 1,2,3,4,7,8-HxCDD Method 23 3 480 0 Stack Exit 1,2,3,6,7,8-HxCDD Method 23 3 480 0 Stack Exit



### Friday, February 18, 2011 Page 2 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010 1,2,3,7,8,9-HxCDD Method 23 3 480 0 Stack Exit 1,2,3,4,6,7,8-HpCDD Method 23 3 480 0 Stack Exit OCDD Method 23 3 480 0 Stack Exit 2,3,7,8-TCDF Method 23 3 480 0 Stack Exit 1,2,3,7,8-PeCDF Method 23 3 480 0 Stack Exit 2,3,4,7,8-PeCDF Method 23 3 480 0 Stack Exit 1,2,3,4,7,8-HxCDF Method 23 3 480 0 Stack Exit 1,2,3,6,7,8-HxCDF Method 23 3 480 0 Stack Exit 2,3,4,6,7,8-HxCDF Method 23 3 480 0 Stack Exit 1,2,3,7,8,9-HxCDF Method 23 3 480 0 Stack Exit 1,2,3,4,6,7,8-HpCDF Method 23 3 480 0 Stack Exit 1,2,3,4,7,8,9-HpCDF Method 23 3 480 0 Stack Exit OCDF Method 23 3 480 0 Stack Exit Other TCDD Method 23 0 Stack Exit Other PeCDD Method 23 0 Stack Exit Other HxCDD Method 23 0 Stack Exit Other HpCDD Method 23 0 Stack Exit Other TCDF Method 23 0 Stack Exit Other PeCDF Method 23 0 Stack Exit Other HxCDF Method 23 0 Stack Exit Other HpCDF Method 23 0 Stack Exit Total Dioxins Method 23 3 480 0 Stack Exit Total Furans Method 23 3 480 0 Stack Exit 3,3',4,4'-TCB (PCB77) Method 23 3 480 0 Stack Exit 3,4,4',5-TCB (PCB81) Method 23 3 480 0 Stack Exit 2,3,3',4,4'-PeCB (PCB105) Method 23 3 480 0 Stack Exit 2,3,4,4',5-PeCB (PCB114) Method 23 3 480 0 Stack Exit 2,3',4,4',5-PeCB (PCB118) Method 23 3 480 0 Stack Exit 2',3,4,4',5-PeCB (PCB123) Method 23 3 480 0 Stack Exit 3,3',4,4',5-PeCB (PCB126) Method 23 3 480 0 Stack Exit 2,3,3',4,4',5/2,3,3',4,4',5'-

HxCB (PCBs156/157) Method 23 3 480 0 Stack Exit

2,3',4,4',5,5'-HxCB (PCB167) Method 23 3 480 0 Stack Exit 3,3',4,4',5,5'-HxCB (PCB169) Method 23 3 480 0 Stack Exit 2,3,3',4,4',5,5'-HpCB

(PCB189) Method 23 3 480 0 Stack Exit
Total organic compounds

(TOC) as Propane Method 25A 3 120 0 Stack Exit
Hydrogen Fluoride Method 26 3 180 0 Stack Exit Hydrogen Fluoride Method 26A 3 180 0 Stack Exit Hydrogen Chloride Method 26A 3 180 0 Stack Exit Hydrogen Chloride Method 26 3 180 0 Stack Exit Filterable PM2.5 OTM - 27/28 3 240 0 Use only for dry stacks. Delete Method 5/OTM28 tests. Stack Exit

Inorganic (Aqueous)

Condensible Part. OTM - 27/28 3 240 0 Use only for dry stacks. Delete Method 5/OTM28 tests. Stack Exit

Organic Condensible

Particulate OTM - 27/28 3 240 0 Use only for dry stacks. Delete Method 5/OTM28 tests. Stack Exit

Total PM2.5 OTM - 27/28 3 240 0 Use only for dry stacks. Delete Method 5/OTM28 tests. Stack Exit



### Friday, February 18, 2011 Page 3 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010

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.
None Filterable Particulate OTM - 27/28 0 Stack Exit Total Particulate OTM - 27/28 0 Stack Exit Nickel Method 29 3 240 0 Stack Exit Manganese Method 29 3 240 0 Stack Exit Selenium Method 29 3 240 0 Stack Exit Lead Method 29 3 240 0 Stack Exit Chromium Method 29 3 240 0 Stack Exit Cobalt Method 29 3 240 0 Stack Exit Cadmium Method 29 3 240 0 Stack Exit Arsenic Method 29 3 240 0 Stack Exit Antimony Method 29 3 240 0 Stack Exit Filterable Particulate Method 29 3 240 0 Stack Exit Beryllium Method 29 3 240 0 Stack Exit O2 Method 3A O2 3 480 0 Stack Exit Co2 Method 3A CO2 3 480 0 Stack Exit O2 Method 3A O2 3 120 0 Stack Exit Co2 Method 3A CO2 3 120 0 Stack Exit Co2 Method 3A CO2 3 240 0 Stack Exit O2 Method 3A O2 3 240 0 Stack Exit Inorganic (Aqueous)

Condensible Part. Method 5/OTM-28 3 240 0 Use only for wet stacks. Delete OTM27/OTM28 test. Stack Exit

Filterable Particulate Method 5/OTM-28 3 240 0 Use only for wet stacks. Delete OTM27/OTM28 test. Stack Exit

Organic Condensible

Particulate Method 5/OTM-28 3 240 0 Use only for wet stacks. Delete OTM27/OTM28 test. Stack Exit

Total Particulate Method 5/OTM-28 3 240 0 Use only for wet stacks. Delete OTM27/OTM28 test. Stack Exit

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



### Friday, February 18, 2011 Page 4 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010 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



### Friday, February 18, 2011 Page 5 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010
Location Stack Exit - Method 26A Average Run Number M26A-1 M26A-2 M26A-3
Test Date 6/29/2010 6/30/2010 7/1/2010 Run Start Time 1:39:00 PM 8:28:00 AM 1:07:00 PM

Run Finish Time 4:35:00 PM 11:39:00 AM 3:58:00 PM

Net Run Time, minutes 180 180 180 Dry Gas Meter Volume Sampled, dscf 153.520 236.948 150.180 180.216 Moisture Content of Stack Gas, % 12.31 8.36 12.43 11.033 Moisture Saturation at Stack Gas Temperature, % 58.88 57.11 57.41 57.800 Carbon Dioxide, % 12.24 12.12 12.18 12.180 Oxygen, % 6.91 7.06 7.01 6.993 Average Stack Gas Temperature, °F 186.64 185.47 185.78 185.963 Dry Volumetric Flow Rate, dry scfm 128,247.6 128,186.2 123,227.3 126,553.700 Actual Wet Volumetric Flue Gas Flow Rate, acfm 178,695.2 169,752.7 170,569.2 173,005.700 Percent Isokinetic of Sampling Rate, % 100.8 155.6 102.6 119.667 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



### Friday, February 18, 2011 Page 6 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010
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



### Friday, February 18, 2011 Page 7 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010 Emissions Summary



### Location: Stack Exit - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 Elb/hr 7.70E+01 6.84E+01 6.56E+01 70.333 lb/mmBtuO2 1.48E-01 1.29E-01 1.21E-01 0.133 ppm 1.38E+02 1.20E+02 1.13E+02 123.667 ppm@7%O2 1.39E+02 1.21E+02 1.13E+02 124.333



### Location: Stack Exit - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 Elb/hr 1.00E-01 6.14E-01 0.00E+00 0.238 lb/mmBtuO2 1.96E-04 1.16E-03 0.00E+00 0.000 ppm 1.14E-01 6.82E-01 0.00E+00 0.265 ppm@7%O2 1.17E-01 6.86E-01 0.00E+00 0.268



### Location: Stack Exit - Method 26A Compound: Hydrogen Chloride Average RunNumber M26A-1 M26A-2 M26A-3 Mass_mg 0.119 0.123 0.253 0.165 Elb/hr 1.31E-02 8.80E-03 2.75E-02 0.016 lb/mmBtuO2 2.50E-05 1.69E-05 5.47E-05 0.000 mg/dscm 2.74E-02 1.83E-02 5.95E-02 0.035 mg/dscm@7%O2 2.72E-02 1.84E-02 5.95E-02 0.035 

### Compound: Hydrogen Fluoride Average RunNumber M26A-1 M26A-2 M26A-3 Mass_mg 0.316 0.319 0.324 0.320 Elb/hr 3.49E-02 2.28E-02 3.52E-02 0.031 lb/mmBtuO2 6.63E-05 4.38E-05 7.00E-05 0.000 mg/dscm 7.27E-02 4.76E-02 7.62E-02 0.066 mg/dscm@7%O2 7.22E-02 4.78E-02 7.63E-02 0.065



### Location: Stack Exit - Method 29 Compound: Antimony Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.000663 0.00073 0.001223 0.001 Elb/hr 5.50E-05 5.92E-05 9.95E-05 0.000 lb/mmBtuO2 1.08E-07 1.18E-07 1.98E-07 0.000 mg/dscm 1.15E-04 1.28E-04 2.15E-04 0.000 mg/dscm@7%O2 1.18E-04 1.28E-04 2.15E-04 0.000 

### Compound: Arsenic Average RunNumber M29-1 M29-2 M29-3


### Friday, February 18, 2011 Page 8 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010 Mass_mg 0.005537 0.00507 0.005194 0.005 Elb/hr 4.59E-04 4.11E-04 4.23E-04 0.000 lb/mmBtuO2 9.06E-07 8.18E-07 8.40E-07 0.000 mg/dscm 9.64E-04 8.91E-04 9.14E-04 0.001 mg/dscm@7%O2 9.87E-04 8.91E-04 9.15E-04 0.001 

### Compound: Beryllium Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.000701 0.000828 0.000847 0.001 Elb/hr 5.82E-05 6.72E-05 6.89E-05 0.000 lb/mmBtuO2 1.15E-07 1.34E-07 1.37E-07 0.000 mg/dscm 1.22E-04 1.45E-04 1.49E-04 0.000 mg/dscm@7%O2 1.25E-04 1.45E-04 1.49E-04 0.000 

### Compound: Cadmium Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.000894 0.00186 0.001489 0.001 Elb/hr 7.42E-05 1.51E-04 1.21E-04 0.000 lb/mmBtuO2 1.46E-07 3.00E-07 2.41E-07 0.000 mg/dscm 1.56E-04 3.27E-04 2.62E-04 0.000 mg/dscm@7%O2 1.60E-04 3.27E-04 2.62E-04 0.000 

### Compound: Chromium Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.100047 0.027607 0.010607 0.046 Elb/hr 8.30E-03 2.24E-03 8.63E-04 0.004 lb/mmBtuO2 1.64E-05 4.45E-06 1.71E-06 0.000 mg/dscm 1.74E-02 4.85E-03 1.87E-03 0.008 mg/dscm@7%O2 1.78E-02 4.85E-03 1.87E-03 0.008 

### Compound: Cobalt Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.00573 0.00365 0.003324 0.004 Elb/hr 4.75E-04 2.96E-04 2.70E-04 0.000 lb/mmBtuO2 9.37E-07 5.89E-07 5.37E-07 0.000 mg/dscm 9.97E-04 6.41E-04 5.85E-04 0.001 mg/dscm@7%O2 1.02E-03 6.41E-04 5.85E-04 0.001 

### Compound: Filterable Particulate Average RunNumber M29-1 M29-2 M29-3 Mass_mg 102.74 99.63 103.57 101.980 Elb/hr 8.52E+00 8.08E+00 8.43E+00 8.343 lb/mmBtuO2 1.68E-02 1.61E-02 1.67E-02 0.017 mg/dscm 1.79E+01 1.75E+01 1.82E+01 17.867 mg/dscm@7%O2 1.83E+01 1.75E+01 1.82E+01 18.000 

### Compound: Lead Average RunNumber M29-1 M29-2 M29-3


### Friday, February 18, 2011 Page 9 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010 Mass_mg 0.006432 0.006037 0.006117 0.006 Elb/hr 5.34E-04 4.90E-04 4.98E-04 0.001 lb/mmBtuO2 1.05E-06 9.73E-07 9.89E-07 0.000 mg/dscm 1.12E-03 1.06E-03 1.08E-03 0.001 mg/dscm@7%O2 1.15E-03 1.06E-03 1.08E-03 0.001 

### Compound: Manganese Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.36112 0.29557 0.02887 0.229 Elb/hr 3.00E-02 2.40E-02 2.35E-03 0.019 lb/mmBtuO2 5.91E-05 4.77E-05 4.67E-06 0.000 mg/dscm 6.28E-02 5.19E-02 5.08E-03 0.040 mg/dscm@7%O2 6.43E-02 5.19E-02 5.08E-03 0.040 

### Compound: Nickel Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.142143 0.02785 0.009019 0.060 Elb/hr 1.18E-02 2.26E-03 7.34E-04 0.005 lb/mmBtuO2 2.33E-05 4.49E-06 1.46E-06 0.000 mg/dscm 2.47E-02 4.89E-03 1.59E-03 0.010 mg/dscm@7%O2 2.53E-02 4.89E-03 1.59E-03 0.011 

### Compound: Selenium Average RunNumber M29-1 M29-2 M29-3 Mass_mg 0.01145 0.00786 0.00489 0.008 Elb/hr 9.50E-04 6.38E-04 3.98E-04 0.001 lb/mmBtuO2 1.87E-06 1.27E-06 7.91E-07 0.000 mg/dscm 1.99E-03 1.38E-03 8.61E-04 0.001 mg/dscm@7%O2 2.04E-03 1.38E-03 8.62E-04 0.001



### Location: Stack Exit - OTM - 27/28 Compound: Filterable Particulate Average RunNumber M027/28-1 M027/28-2 M027/28-3 Mass_mg 102.74 99.63 103.57 101.980 Elb/hr 1.35E+01 1.53E+01 1.40E+01 14.267 lb/mmBtuO2 2.41E-02 2.72E-02 2.69E-02 0.026 mg/dscm 2.63E+01 2.96E+01 2.93E+01 28.400 mg/dscm@7%O2 2.63E+01 2.96E+01 2.93E+01 28.400 

### Compound: Filterable PM2.5 Average RunNumber M027/28-1 M027/28-2 M027/28-3 Mass_mg 31.43 62.69 16.42 36.847 Elb/hr 4.13E+00 9.61E+00 2.22E+00 5.320 lb/mmBtuO2 7.38E-03 1.71E-02 4.27E-03 0.010 mg/dscm 8.04E+00 1.86E+01 4.64E+00 10.427 mg/dscm@7%O2 8.04E+00 1.86E+01 4.65E+00 10.430



### Friday, February 18, 2011 Page 10 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010

Process Run Data Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber M027/28-1 M027/28-2 M027/28-3 Mass_mg 61.23 61.86 97.42 73.503 Elb/hr 8.05E+00 9.48E+00 1.32E+01 10.243 lb/mmBtuO2 1.44E-02 1.69E-02 2.53E-02 0.019 mg/dscm 1.57E+01 1.84E+01 2.76E+01 20.567 mg/dscm@7%O2 1.57E+01 1.84E+01 2.76E+01 20.567 

### Compound: Organic Condensible Particulate Average RunNumber M027/28-1 M027/28-2 M027/28-3 Mass_mg 0.97 2.04 1.08 1.363 Elb/hr 1.28E-01 3.13E-01 1.46E-01 0.196 lb/mmBtuO2 2.28E-04 5.57E-04 2.81E-04 0.000 mg/dscm 2.48E-01 6.06E-01 3.05E-01 0.386 mg/dscm@7%O2 2.48E-01 6.07E-01 3.05E-01 0.387 

### Compound: Total Particulate Average RunNumber M027/28-1 M027/28-2 M027/28-3 Mass_mg 164.94 163.53 202.07 176.847 Elb/hr 2.17E+01 2.51E+01 2.74E+01 24.733 lb/mmBtuO2 3.87E-02 4.47E-02 5.25E-02 0.045 mg/dscm 4.22E+01 4.86E+01 5.71E+01 49.300 mg/dscm@7%O2 4.22E+01 4.87E+01 5.72E+01 49.367 

### Compound: Total PM2.5 Average RunNumber M027/28-1 M027/28-2 M027/28-3 Mass_mg 93.63 126.59 114.92 111.713 Elb/hr 1.23E+01 1.94E+01 1.56E+01 15.767 lb/mmBtuO2 2.20E-02 3.46E-02 2.99E-02 0.029 mg/dscm 2.40E+01 3.76E+01 3.25E+01 31.367 mg/dscm@7%O2 2.40E+01 3.77E+01 3.25E+01 31.400



### Friday, February 18, 2011 Page 11 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010 Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Bituminous Coal Burned 40.2 1000 lbs/hr Valid for Methods 10, 25A, 18, 316 0



### 2 Bituminous Coal Burned 38.9 1000 lbs/hr M26A, OTM27/28, M29, CTM033 Run 1 0

3 Bituminous Coal Burned 38.6 1000 lbs/hr M26A, OTM27/28, M29, CTM033 Run 2 0

1 Average Heat Input 476 MMBtu/hr Valid for Methods 10, 25A, 0



### 2 Average Heat Input 460 MMBtu/hr M26A, OTM27/28, M29, CTM033 Run 1 0

3 Average Heat Input 462 MMBtu/hr M26A, OTM27/28, M29, CTM033 Run 2 0

1 Steam Output 401 1000 lb steam/hr Valid for Methods 10, 25A, 0

2 Steam Output 405 1000 lb steam/hr M26A, OTM27/28, M29, CTM033 Run 1 0



### 3 Steam Output 398 1000 lb steam/hr M26A, OTM27/28, M29, CTM033 Run 2 0

4 Bituminous Coal Burned 38.7 1000 lbs/hr M26A, OTM27/28, M29, CTM033 Run 3 0

4 Average Heat Input 460 MMBtu/hr M26A, OTM27/28, M29, CTM033 Run 3 0

4 Steam Output 395 1000 lb steam/hr M26A, OTM27/28, M29, CTM033 Run 3 0

Run Name Value UOM Comments Target Value 

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



### 1 DRY SCRUBBER 0 0
1 BAGHOUSE 0 0



### Friday, February 18, 2011 Page 12 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010 Process Lab Run Data

Run Name Value UOM Comments 1 Fuel Higher Heating Value 0 Btu/lb 1 Fuel Moisture 0 % 

### 1 Fuel Mercury Content 0 ppm 1 Fuel Cadmium Content 0 ppm 1 Ultimate/Proximate Analysis 0 1 Fuel Nickel Content 0 ppm 

### 1 Fuel Arsenic Content 0 ppm 1 Fuel Chromium Content 0 ppm 1 Fuel Beryllium Content 0 ppm 

### 1 Fuel Lead Content 0 ppm 1 Fuel Manganese Content 0 ppm 1 Fuel Chlorine Content 0 ppm 1 Fuel Fluorine Content 0 ppm



### Friday, February 18, 2011 Page 13 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010 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



### Friday, February 18, 2011 Page 14 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010
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



### Friday, February 18, 2011 Page 15 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010
Location Stack Exit - Method 26A Average Run Number M26A-1 M26A-2 M26A-3 Test Date 6/29/2010 6/30/2010 7/1/2010 Run Start Time 1:39:00 PM 8:28:00 AM 1:07:00 PM Run Finish Time 4:35:00 PM 11:39:00 AM 3:58:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 180 180 180 Nozzle Diameter, inches 0.28 0.28 0.28 0.280 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9754 0.9754 0.9754 0.975 Barometric Pressure, inches of Mercury 30.1 30.25 30.3 30.217 Average Orifice Meter Differential, inches H2O 2.56 2.38 2.34 2.427 Dry Gas Meter Volume Sampled, cubic feet 163.927 243.276 155.095 187.433 Average Dry Gas Meter Temperature, °F 96.69 77.69 81.68 85.353 Dry Gas Meter Volume Sampled, dscf 153.520 236.948 150.180 180.216 Total Moisture Liquid collected, g 458 459.2 452.7 456.633 Volume of Water Vapor, standard cubic feet 21.56 21.61 21.31 21.493 Moisture Content of Stack Gas, % 12.31 8.36 12.43 11.033 Moisture Saturation at Stack Gas Temperature, % 58.88 57.11 57.41 57.800 Dry Mole Fraction 0.8769 0.9164 0.8757 0.890 Carbon Dioxide, % 12.24 12.12 12.18 12.180 Oxygen, % 6.91 7.06 7.01 6.993 Carbon Monoxide & Nitrogen, % 80.85 80.82 80.81 80.827 Fuel Factor 1.14 1.14 1.14 Dry Molecular Weight, lb/lb-Mole 30.23 30.22 30.23 30.227 Wet Molecular weight, lb/lb-Mole 28.72 29.20 28.71 28.877 Flue Gas Static Pressure, inches of H2O -1.5 -1.5 -1.55 -1.517 Absolute Flue Gas Pressure, inches of Mercury 29.99 30.14 30.19 30.107 Average Stack Gas Temperature, °F 186.64 185.47 185.78 185.963 Average Velocity Head, inches of H2O 0.5455622915 8731 0.503904714

447521 0.500929623

615324 0.517
Average Stack Gas Velocity, feet/second 45.96 43.66 43.87 44.497 Stack Cross-Sectional Area, square feet 64.801 64.801 64.801 64.801 Dry Volumetric Flow Rate, dry scfm 128,247.6 128,186.2 123,227.3 126,553.700 Actual Wet Volumetric Flue Gas Flow Rate, acfm 178,695.2 169,752.7 170,569.2 173,005.700 Percent Isokinetic of Sampling Rate, % 100.8 155.6 102.6 119.667 Percent Excess Air, % 47.9 49.5 48.9 48.767 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 109 109 109 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



### Friday, February 18, 2011 Page 16 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010
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



### Friday, February 18, 2011 Page 17 of 18

### Westmorland-LG&E Roanoke Valley II
8/30/2010
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



### Friday, February 18, 2011 Page 18 of 18