### Name: John M. McManus

Title: Vice President- Environmental Service Company: American Electric Power Sign Date: 6/30/2010 Name: Scott W. Banach Title: Director, Project Engineering Company: Platt Environmental Services, Inc. Sign Date: 6/28/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## Oklaunion 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 19, 2011 Page 1 of 21

### Oklaunion

6/30/2010 Facility Information:

Oklaunion

12567 FM Road 3430

Vernon TX 76384
Contact:Paul Jackson
Phone: 614-716-3278
Fax: 614-716-1252
Email: pmjackson@aep.com Testing Company:
Platt Environmental Services, Inc. 1520 Kensington Road

Suite 204

Oak Brook IL 60523
Contact:Scott Banach
Phone: 630-521-9400
Fax: 630-521-9494
Email: sbanach@plattenv.com

Air Permit Number:
O-38 Permitted Source ID/Name:
Oklaunion Unit 1 O-38
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:

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. Industry/SCC/NAIS 2211122

Sampling Location Information:

Test Parameter Information: AFS #: FRS #:

SCC / Description10100222 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous Coal - Pulverized Coal: Dry Bottom (Subbituminous 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 408 816 3264 3 0 4 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 Total organic compounds

(TOC) Method 25A 3 120 0 Stack

O2 Method 3A O2 3 120 0 Stack Co2 Method 3A CO2 3 120 0 Stack Sulfur Dioxide Method 6C 3 0 Stack



### Wednesday, January 19, 2011 Page 2 of 21

### Oklaunion

6/30/2010 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.



### Wednesday, January 19, 2011 Page 3 of 21

### Oklaunion

6/30/2010 Sampling / Stack Data Results Summary



### Location Stack - Method 10 Average
Run Number 1 2 3

Test Date 3/17/2010 3/17/2010 3/17/2010
Run Start Time 8:50:00 AM 11:50:00 AM 2:35:00 PM

Run Finish Time 10:49:00 AM 1:49:00 PM 4:34:00 PM Carbon Dioxide, % 13.2 12.8 13 13.000 Oxygen, % 6.1 6.6 6.5 6.400 Dry Volumetric Flow Rate, dry scfm 2876437 2913247 2874782 2,888,155.33 3 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 13.9 13.8 14.6 14.100 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000



### Location Stack - Method 25A Average
Run Number 1 2 3

Test Date 3/17/2010 3/17/2010 3/17/2010
Run Start Time 8:50:00 AM 11:50:00 AM 2:35:00 PM

Run Finish Time 10:49:00 AM 1:49:00 PM 4:34:00 PM Carbon Dioxide, % 13.2 12.8 13 13.000 Oxygen, % 6.1 6.6 6.5 6.400 Dry Volumetric Flow Rate, dry scfm 2876437 2913247 2874782 2,888,155.33 3 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 13.9 13.8 14.6 14.100 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000



### Wednesday, January 19, 2011 Page 4 of 21

### Oklaunion

6/30/2010

Location Stack - Method 3A CO2 Average
Run Number 1 2 3

Test Date 3/17/2010 3/17/2010 3/17/2010
Run Start Time 8:50:00 AM 11:50:00 AM 2:35:00 PM

Run Finish Time 10:49:00 AM 1:49:00 PM 4:34:00 PM Carbon Dioxide, % 13.2 12.8 13 13.000 Oxygen, % 6.1 6.6 6.5 6.400 Dry Volumetric Flow Rate, dry scfm 2876437 2913247 2874782 2,888,155.33 3 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 13.9 13.8 14.6 14.100 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000



### Location Stack - Method 3A O2 Average
Run Number 1 2 3

Test Date 3/17/2010 3/17/2010 3/17/2010
Run Start Time 8:50:00 AM 11:50:00 AM 2:35:00 PM

Run Finish Time 10:49:00 AM 1:49:00 PM 4:34:00 PM Carbon Dioxide, % 13.2 12.8 13 13.000 Oxygen, % 6.1 6.6 6.5 6.400 Dry Volumetric Flow Rate, dry scfm 2876437 2913247 2874782 2,888,155.33 3 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 13.9 13.8 14.6 14.100 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000



### Wednesday, January 19, 2011 Page 5 of 21

### Oklaunion

6/30/2010

Location Stack - Method 6C Average
Run Number 1 2 3

Test Date 3/17/2010 3/17/2010 3/17/2010
Run Start Time 8:50:00 AM 11:50:00 AM 2:35:00 PM

Run Finish Time 10:49:00 AM 1:49:00 PM 4:34:00 PM Carbon Dioxide, % 13.2 12.8 13 13.000 Oxygen, % 6.1 6.6 6.5 6.400 Dry Volumetric Flow Rate, dry scfm 2876437 2913247 2874782 2,888,155.33 3 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 13.9 13.8 14.6 14.100 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000



### Wednesday, January 19, 2011 Page 6 of 21

### Oklaunion

6/30/2010 Emissions Summary

Process Run Data 

### Location: Stack - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 3.02E-01 1.80E-02 1.10E-02 0.110
ppm 3.01E+02 1.73E+01 1.07E+01 109.667 ppm@7%O2 2.83E+02 1.68E+01 1.03E+01 103.367



### Location: Stack - Method 25A Compound: Total organic compounds (TOC) Average Run 1 2 3 lb/mmBtuO2 2.09E-04 1.73E-04 1.74E-04 0.000
ppm 4.86E-01 3.89E-01 3.94E-01 0.423 ppm@7%O2 4.56E-01 3.78E-01 3.80E-01 0.405



### Location: Stack - Method 6C Compound: Sulfur Dioxide Average Run 1 2 3



### Wednesday, January 19, 2011 Page 7 of 21

### Oklaunion

6/30/2010
Process Run Data



### Run Name Value UOM Comments Target Value
1 Subbituminous Coal Burned 362 Tons/hr The ERT requires that the process data collected during the stack test period be accompanied by a target value. For the AEP tests, we want to clarify that the target value provided does not represent any limit or maximum design set point for operation of the steam generators and associated control equipment. In some cases, the value is a permit or regulatory limit, such as the case of opacity. Operation outside of the target value does not represent abnormal operation. 350



### Wednesday, January 19, 2011 Page 8 of 21

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6/30/2010
2 Subbituminous Coal Burned 362 Tons/hr The ERT requires that the process data collected during the stack test period be accompanied by a target value. For the AEP tests, we want to clarify that the target value provided does not represent any limit or maximum design set point for operation of the steam generators and associated control equipment. In some cases, the value is a permit or regulatory limit, such as the case of opacity. Operation outside of the target value does not represent abnormal operation. 350



### Wednesday, January 19, 2011 Page 9 of 21

### Oklaunion

6/30/2010
3 Subbituminous Coal Burned 362 Tons/hr The ERT requires that the process data collected during the stack test period be accompanied by a target value. For the AEP tests, we want to clarify that the target value provided does not represent any limit or maximum design set point for operation of the steam generators and associated control equipment. In some cases, the value is a permit or regulatory limit, such as the case of opacity. Operation outside of the target value does not represent abnormal operation. 350



### Wednesday, January 19, 2011 Page 10 of 21

### Oklaunion

6/30/2010
1 Gross Load 642 MW The ERT requires that the process data collected during the stack test period be accompanied by a target value. For the AEP tests, we want to clarify that the target value provided does not represent any limit or maximum design set point for operation of the steam generators and associated control equipment. In some cases, the value is a permit or regulatory limit, such as the case of opacity. Operation outside of the target value does not represent abnormal operation. 630



### Wednesday, January 19, 2011 Page 11 of 21

### Oklaunion

6/30/2010
2 Gross Load 342 MW The ERT requires that the process data collected during the stack test period be accompanied by a target value. For the AEP tests, we want to clarify that the target value provided does not represent any limit or maximum design set point for operation of the steam generators and associated control equipment. In some cases, the value is a permit or regulatory limit, such as the case of opacity. Operation outside of the target value does not represent abnormal operation. 630



### Wednesday, January 19, 2011 Page 12 of 21

### Oklaunion

6/30/2010
3 Gross Load 642 MW The ERT requires that the process data collected during the stack test period be accompanied by a target value. For the AEP tests, we want to clarify that the target value provided does not represent any limit or maximum design set point for operation of the steam generators and associated control equipment. In some cases, the value is a permit or regulatory limit, such as the case of opacity. Operation outside of the target value does not represent abnormal operation. 630



### Wednesday, January 19, 2011 Page 13 of 21

### Oklaunion

6/30/2010
1 Steam Pressure 2469 psig The ERT requires that the process data collected during the stack test period be accompanied by a target value. For the AEP tests, we want to clarify that the target value provided does not represent any limit or maximum design set point for operation of the steam generators and associated control equipment. In some cases, the value is a permit or regulatory limit, such as the case of opacity. Operation outside of the target value does not represent abnormal operation. 2600



### Wednesday, January 19, 2011 Page 14 of 21

### Oklaunion

6/30/2010
2 Steam Pressure 2469 psig The ERT requires that the process data collected during the stack test period be accompanied by a target value. For the AEP tests, we want to clarify that the target value provided does not represent any limit or maximum design set point for operation of the steam generators and associated control equipment. In some cases, the value is a permit or regulatory limit, such as the case of opacity. Operation outside of the target value does not represent abnormal operation. 2600



### Wednesday, January 19, 2011 Page 15 of 21

### Oklaunion

6/30/2010

APCD Run Data

Process Lab Run Data 3 Steam Pressure 2469 psig The ERT requires that the process data collected during the stack test period be accompanied by a target value. For the AEP tests, we want to clarify that the target value provided does not represent any limit or maximum design set point for operation of the steam generators and associated control equipment. In some cases, the value is a permit or regulatory limit, such as the case of opacity. Operation outside of the target value does not represent abnormal operation. 2600



### Run Name Value UOM Comments Target Value
1 SCRUBBER 0.17 lb/mmBTU 0.2

2 SCRUBBER 0.17 lb/mmBTU 0.2



### 3 SCRUBBER 0.17 lb/mmBTU 0.2

1 ELECTROSTATIC PRECIPITATOR - HIGH EFFICIENCY 4.98 opacity 10



### 2 ELECTROSTATIC PRECIPITATOR - HIGH EFFICIENCY 4.98 opacity 10

3 ELECTROSTATIC PRECIPITATOR - HIGH EFFICIENCY 4.98 opacity 10



### Wednesday, January 19, 2011 Page 16 of 21

### Oklaunion

6/30/2010
Sampling / Stack Data Results Detail



### Location Stack - Method 10 Average Run Number 1 2 3 Test Date 3/17/2010 3/17/2010 3/17/2010 Run Start Time 8:50:00 AM11:50:00 AM 2:35:00 PM Run Finish Time 10:49:00 AM 1:49:00 PM 4:34:00 PM Carbon Dioxide, % 13.2 12.8 13 13.000 Oxygen, % 6.1 6.6 6.5 6.400 Fuel Factor 1.12 1.12 1.11 Dry Volumetric Flow Rate, dry scfm 2876437 2913247 28747822,888,155.3 33 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 13.9 13.8 14.6 14.100 Analyzer Make Analyzer Model Analyzer Serial Number 48]-ANPAA 48]ANPAA 48]-ANPAA Operating Range 1000 1000 1000 1,000.000 Operating Units ppm ppm ppm No. Readings/Avg. 119 119 119 119.000 Calibration Set 0 0 0 0.000 Calibration Pre Zero Cylinder ID N2-CO N2-CO N2-CO Calibration Pre Zero Cylinder Instrument Response 0.3 0.8 0.6 0.567 Calibration Pre Zero Cylinder Bias -0.13 -0.08 -0.1 -0.103 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID SG9176680B AL-COSG9176680B

AL-CO SG9176680B

AL-CO Calibration Pre High Cylinder Instrument Response 464.7 467.1 461.3 464.367 Calibration Pre High Cylinder Bias -0.06 0.18 -0.4 -0.093 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID N2-CO N2-CO N2-CO Calibration Post Zero Cylinder Instrument Response 0.8 0.6 0.6 0.667 Calibration Post Zero Cylinder Bias -0.08 -0.1 -0.1 -0.093 Calibration Post Zero Cylinder Drift 0.05 0.02 0 0.023 Calibration Post High Cylinder ID SG9176680B AL-COSG9176680B

AL-CO SG9176680B

AL-CO Calibration Post High Cylinder Instrument Response 467.1 461.3 458.7 462.367 Calibration Post High Cylinder Bias 0.18 -0.4 -0.66 -0.293 Calibration Post High Cylinder Drift 0.24 0.58 0.26 0.360 Cavg 300.5 17.9 11.1 109.833 Cavg Units ppmvd ppmvd ppmvd Cgas 300.9491 17.3262 10.6714 109.649 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Wednesday, January 19, 2011 Page 17 of 21

### Oklaunion

6/30/2010

Location Stack - Method 25A Average Run Number 1 2 3 Test Date 3/17/2010 3/17/2010 3/17/2010 Run Start Time 8:50:00 AM11:50:00 AM 2:35:00 PM Run Finish Time 10:49:00 AM 1:49:00 PM 4:34:00 PM Carbon Dioxide, % 13.2 12.8 13 13.000 Oxygen, % 6.1 6.6 6.5 6.400 Fuel Factor 1.12 1.12 1.11 Dry Volumetric Flow Rate, dry scfm 2876437 2913247 28747822,888,155.3 33 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 13.9 13.8 14.6 14.100 Analyzer Make Analyzer Model Analyzer Serial Number VIG FID 200VIG FID 200 VIG FID 200 Operating Range 100 100 100 100.000 Operating Units ppm ppm ppm No. Readings/Avg. 119 119 119 119.000 Calibration Set 1 1 1 1.000 Calibration Pre Zero Cylinder ID N2-THC N2-THC N2-THC Calibration Pre Zero Cylinder Instrument Response 0.01 0.02 0.01 0.013 Calibration Pre Zero Cylinder Bias 0 0.01 0 0.003 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC183615- THC CC183615-

THC CC183615-

THC Calibration Pre High Cylinder Instrument Response 3.07 3.03 3.02 3.040 Calibration Pre High Cylinder Bias 0 -0.04 -0.05 -0.030 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID N2-THC N2-THC N2-THC Calibration Post Zero Cylinder Instrument Response 0.02 0.01 0.01 0.013 Calibration Post Zero Cylinder Bias 0.01 0 0 0.003 Calibration Post Zero Cylinder Drift 0.01 0.01 0 0.007 Calibration Post High Cylinder ID CC183615- THC CC183615-

THC CC183615-

THC Calibration Post High Cylinder Instrument Response 3.03 3.02 3.02 3.023 Calibration Post High Cylinder Bias -0.04 -0.05 -0.05 -0.047 Calibration Post High Cylinder Drift 0.04 0.01 0 0.017 Cavg 0.5 0.4 0.4 0.433 Cavg Units ppmvd ppmvd ppmvd Cgas 0.4858 0.3888 0.3939 0.423 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Wednesday, January 19, 2011 Page 18 of 21

### Oklaunion

6/30/2010

Location Stack - Method 3A CO2 Average Run Number 1 2 3 Test Date 3/17/2010 3/17/2010 3/17/2010 Run Start Time 8:50:00 AM11:50:00 AM 2:35:00 PM Run Finish Time 10:49:00 AM 1:49:00 PM 4:34:00 PM Carbon Dioxide, % 13.2 12.8 13 13.000 Oxygen, % 6.1 6.6 6.5 6.400 Fuel Factor 1.12 1.12 1.11 Dry Volumetric Flow Rate, dry scfm 2876437 2913247 28747822,888,155.3 33 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 13.9 13.8 14.6 14.100 Analyzer Make Analyzer Model 01440D1 01440D1 01440D1 14,400.000 Analyzer Serial Number 3950 3950 3950 3,950.000 Operating Range 20 20 20 20.000 Operating Units % % % No. Readings/Avg. 119 119 119 119.000 Calibration Set 3 3 3 3.000 Calibration Pre Zero Cylinder ID N2-CO N2-CO N2-CO Calibration Pre Zero Cylinder Instrument Response 0.04 0.03 0.01 0.027 Calibration Pre Zero Cylinder Bias -94.8 -94.85 0.01 -63.213 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID SA4528-CO2 SA4528- CO2 SA4528-CO2

Calibration Pre High Cylinder Instrument Response 9.85 9.79 9.79 9.810 Calibration Pre High Cylinder Bias 6.96 -0.55 6.9 4.437 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID N2-CO N2-CO N2-CO Calibration Post Zero Cylinder Instrument Response 0.03 0.01 0.02 0.020 Calibration Post Zero Cylinder Bias 0.03 -94.95 0.02 -31.633 Calibration Post Zero Cylinder Drift 0.01 0.100000000 000009 0.01 0.040

Calibration Post High Cylinder ID SA4528-CO2 SA4528- CO2 SA4528-CO2

Calibration Post High Cylinder Instrument Response 9.79 9.79 9.77 9.783 Calibration Post High Cylinder Bias 6.9 -0.55 6.88 4.410 Calibration Post High Cylinder Drift 5.9999999999 9996E-02 0 2.000000000 00005E-02 0.027

Cavg 13.2 12.8 13 13.000 Cavg Units %vd %vd %vd Cgas 13.2161 12.8493 13.0621 13.043 Cgas Units %vd %vd %vd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Wednesday, January 19, 2011 Page 19 of 21

### Oklaunion

6/30/2010

Location Stack - Method 3A O2 Average Run Number 1 2 3 Test Date 3/17/2010 3/17/2010 3/17/2010 Run Start Time 8:50:00 AM11:50:00 AM 2:35:00 PM Run Finish Time 10:49:00 AM 1:49:00 PM 4:34:00 PM Carbon Dioxide, % 13.2 12.8 13 13.000 Oxygen, % 6.1 6.6 6.5 6.400 Fuel Factor 1.12 1.12 1.11 Dry Volumetric Flow Rate, dry scfm 2876437 2913247 28747822,888,155.3 33 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 13.9 13.8 14.6 14.100 Analyzer Make Analyzer Model 01440D1 01440D1 01440D1 14,400.000 Analyzer Serial Number 3950 3950 3950 3,950.000 Operating Range 21 21 21 21.000 Operating Units % % % No. Readings/Avg. 119 119 119 119.000 Calibration Set 4 4 4 4.000 Calibration Pre Zero Cylinder ID N2-O2 N2-O2 N2-O2 Calibration Pre Zero Cylinder Instrument Response 0.01 0.01 -0.01 0.003 Calibration Pre Zero Cylinder Bias 0 0 -0.08 -0.027 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID SA4528-O2 SA4528-O2 SA4528-O2 Calibration Pre High Cylinder Instrument Response 11.78 11.77 11.74 11.763 Calibration Pre High Cylinder Bias -0.44 -0.48 -0.6 -0.507 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID N2-O2 N2-O2 N2-O2 Calibration Post Zero Cylinder Instrument Response 0.01 -0.01 0 0.000 Calibration Post Zero Cylinder Bias 0 -0.08 -0.04 -0.040 Calibration Post Zero Cylinder Drift 0 0.08 0.04 0.040 Calibration Post High Cylinder ID SA4528-O2 SA4528-O2 SA4528-O2 Calibration Post High Cylinder Instrument Response 11.77 11.74 11.68 11.730 Calibration Post High Cylinder Bias -0.48 -0.6 -0.84 -0.640 Calibration Post High Cylinder Drift 0.04 0.12 0.24 0.133 Cavg 6.1 6.6 6.5 6.400 Cavg Units ppmvd %vd %vd Cgas 6.1599 6.6814 6.6077 6.483 Cgas Units ppmvd %vd %vd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Wednesday, January 19, 2011 Page 20 of 21

### Oklaunion

6/30/2010

Location Stack - Method 6C Average Run Number 1 2 3 Test Date 3/17/2010 3/17/2010 3/17/2010 Run Start Time 8:50:00 AM11:50:00 AM 2:35:00 PM Run Finish Time 10:49:00 AM 1:49:00 PM 4:34:00 PM Carbon Dioxide, % 13.2 12.8 13 13.000 Oxygen, % 6.1 6.6 6.5 6.400 Fuel Factor 1.12 1.12 1.11 Dry Volumetric Flow Rate, dry scfm 2876437 2913247 28747822,888,155.3 33 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 13.9 13.8 14.6 14.100 Analyzer Make Analyzer Model Analyzer Serial Number 0603715214 0603715244 0603715214603,715,224 .000 Operating Range 100 100 100 100.000 Operating Units ppm ppm ppm No. Readings/Avg. 119 119 119 119.000 Calibration Set 6 6 6 6.000 Calibration Pre Zero Cylinder ID N2-SO2 N2-SO2 N2-SO2 Calibration Pre Zero Cylinder Instrument Response 0.1 0.1 -0.2 0.000 Calibration Pre Zero Cylinder Bias -0.3 -0.3 -0.6 -0.400 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC4098-SO2CC4098-SO2 CC4098-SO2 Calibration Pre High Cylinder Instrument Response 50.4 50.4 50.6 50.467 Calibration Pre High Cylinder Bias -0.2 -0.2 0 -0.133 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID N2-SO2 N2-SO2 N2-SO2 Calibration Post Zero Cylinder Instrument Response 0.1 -0.2 -0.2 -0.100 Calibration Post Zero Cylinder Bias -0.3 -0.6 -0.6 -0.500 Calibration Post Zero Cylinder Drift 0 0.3 0 0.100 Calibration Post High Cylinder ID CC4098-SO2CC4098-SO2 CC4098-SO2 Calibration Post High Cylinder Instrument Response 50.4 50.6 50.4 50.467 Calibration Post High Cylinder Bias -0.2 0 -0.2 -0.133 Calibration Post High Cylinder Drift 0 0.2 0.2 0.133 Cavg 68.5 52.6 51.6 57.567 Cavg Units ppmvd ppmvd ppmvd Cgas 69.0799 52.9104 51.9022 57.964 Cgas Units ppmvd ppmvd ppmvd Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

Bituminous Fw 10640 10640 10640 10,640.000 Fc 1800 1800 1800 1,800.000 Cgasw 0 0 0 0.000 Cgasw Units



### Wednesday, January 19, 2011 Page 21 of 21