### Name: Perry Friedrich

Title: Environmental Dept. Superintendent, Company: Grand River Dam Authority Sign Date: 8/26/2010 Name: Title: Company: Sign Date: Permitted Facility Representative / Date Testing Company Representative / Date 

## ICR Emission Test GRDA_U2 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.

Monday, February 21, 2011 Page 1 of 14

### ICR Emission Test GRDA_U2
8/26/2010 Facility Information: GRDA 8142 Hwy. 412B

Chouteau OK74337 Contact:Doug Vore Phone: 918-824-1074 Fax: 918-825-7791 Email: dvore@grda.com Testing Company: Armstrong Environmental, Inc. 1748 Hlavek Rd.

Decatur TX76234 Contact:Tom Armstrong Phone: 241-631-0021 Fax: 940-627-7740 Email: armst@ix.netcon.com

Air Permit Number: 165 Permitted Source ID/Name: Enter the Boiler ID of the tested boiler (left) 2 Permitted Maximum Process Rate: N/A Max. Normal Operation Process Rate: N/A Target Process Test Rate N/A

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Steam Electric Generation Unit - Pulverized Coal - Dry Bottom - Subbituminous Coal - Overfire Air - Low Nox Burners - Dry Scrubber - Electrostatic Precipitator

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 221112

Sampling Location Information:

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

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 Exit 21.969 270 205 4 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 Total organic compounds

(TOC) as Propane Method 25A 3 120 0 Stack Exit

Co2 Method 3A CO2 3 120 0 Stack Exit O2 Method 3A O2 3 120 0 Stack Exit



### Monday, February 21, 2011 Page 2 of 14

### ICR Emission Test GRDA_U2
8/26/2010 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. N/A



### Monday, February 21, 2011 Page 3 of 14

### ICR Emission Test GRDA_U2
8/26/2010 Sampling / Stack Data Results Summary


### Location Stack Exit - Method 1 - 4 Average Run Number 1 2 3 Test Date 6/29/2010 6/29/2010 6/29/2010 Run Start Time 7:35:00 AM 10:22:00 AM 1:05:00 PM

Run Finish Time 9:49:00 AM 12:33:00 PM 3:16:00 PM

Net Run Time, minutes 144 141 141 Dry Gas Meter Volume Sampled, dscf 0.000 0.000 90.352 30.117 Moisture Content of Stack Gas, % 100.00 100.00 17.77 72.590 Moisture Saturation at Stack Gas Temperature, % 65.66 64.64 61.90 64.067 Carbon Dioxide, % 10.94 11.24 11.29 11.157 Oxygen, % 8.4 8.31 8.41 8.373 Average Stack Gas Temperature, °F 191.17 190.42 188.50 190.030 Dry Volumetric Flow Rate, dry scfm 3,958.4 3,839.9 9,746.8 5,848.367 Actual Wet Volumetric Flue Gas Flow Rate, acfm 14,345.5 13,503.7 14,666.0 14,171.733 Percent Isokinetic of Sampling Rate, % 0.0 0.0 87.6 29.200 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 6/29/2010 6/29/2010 6/29/2010 Run Start Time 7:35:07 AM 10:18:07 AM 1:05:07 PM

Run Finish Time 9:58:07 AM 12:42:57 PM 3:25:57 PM

Carbon Dioxide, % 10.94 11.24 11.29 11.157 Oxygen, % 8.4 8.31 8.41 8.373 Dry Volumetric Flow Rate, dry scfm 1402159.2 1344945.8 1400455.3 1,382,520.10 0 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 15.59 14.27 17.83 15.897 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### Monday, February 21, 2011 Page 4 of 14

### ICR Emission Test GRDA_U2
8/26/2010 Location Stack Exit - Method 25A Average Run Number 1 2 3 Test Date 6/29/2010 6/29/2010 6/29/2010 Run Start Time 7:35:07 AM 10:18:07 AM 1:05:07 AM

Run Finish Time 9:58:57 AM 12:42:57 PM 3:25:57 AM

Carbon Dioxide, % 10.94 11.24 11.29 11.157 Oxygen, % 8.4 8.31 8.41 8.373 Dry Volumetric Flow Rate, dry scfm 1402159.2 1344945.8 1400455.3 1,382,520.10 0 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 15.59 14.27 17.83 15.897 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 3A CO2 Average Run Number 1 2 3 Test Date 6/29/2010 6/29/2010 6/29/2010 Run Start Time 7:35:07 AM 10:18:07 AM 1:05:07 PM

Run Finish Time 9:58:57 AM 12:42:57 PM 3:25:57 PM

Carbon Dioxide, % 10.94 11.24 11.29 11.157 Oxygen, % 8.4 8.31 8.41 8.373 Dry Volumetric Flow Rate, dry scfm 1402159.2 1344945.8 1400455.3 1,382,520.10 0 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 15.59 14.27 17.83 15.897 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### Monday, February 21, 2011 Page 5 of 14

### ICR Emission Test GRDA_U2
8/26/2010 Location Stack Exit - Method 3A O2 Average Run Number 1 2 3 Test Date 6/29/2010 6/29/2010 6/29/2010 Run Start Time 7:35:07 AM 10:18:07 AM 1:05:07 PM

Run Finish Time 9:58:57 AM 12:42:57 PM 3:25:57 PM

Carbon Dioxide, % 10.94 11.24 11.29 11.157 Oxygen, % 8.4 8.31 8.41 8.373 Dry Volumetric Flow Rate, dry scfm 1402159.2 1344945.8 1400455.3 1,382,520.10 0 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 15.59 14.27 17.83 15.897 Fuel Type Coal - Bituminous Coal -

Bituminous Coal -

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



### Monday, February 21, 2011 Page 6 of 14

### ICR Emission Test GRDA_U2
8/26/2010 Emissions Summary

Process Run Data 

### Location: Stack Exit - Method 1 - 4 Compound: % H2O Average RunNumber 1 2 3 Mass_mg #Num! Percent(%) 0.000



### Monday, February 21, 2011 Page 7 of 14

### ICR Emission Test GRDA_U2
8/26/2010 Process Run Data

APCD Run Data 

### Run Name Value UOM Comments Target Value 1 Subbituminous Coal Burned 295 Tons/hr 300 

### 2 Subbituminous Coal Burned 295 Tons/hr 300 3 Subbituminous Coal Burned 295 Tons/hr 300 1 Gross Electric Output 515 mwh 515 

### 2 Gross Electric Output 515 mwh 515 3 Gross Electric Output 515 mwh 515 1 Flue Gas O2 8.37 % 8 

### 2 Flue Gas O2 8.37 % 8 3 Flue Gas O2 8.37 % 8 1 FGD Sorbent Injection Rate 565 gpm 500 

### 2 FGD Sorbent Injection Rate 583 gpm 500 3 FGD Sorbent Injection Rate 621 gpm 500 1 FGD Pressure Drop 6.8 in H2O 6.5 

### 2 FGD Pressure Drop 6.9 in H2O 6.5 3 FGD Pressure Drop 7.3 in H2O 6.5 1 Flue Gas Flow Rate 1553.1 kcfm 1500 

### 2 Flue Gas Flow Rate 1563.5 kcfm 1500 3 Flue Gas Flow Rate 1548.9 kcfm 1500 1 Steam Output 3758 klb/hr 3000 

### 2 Steam Output 3790 klb/hr 3000 3 Steam Output 3811 klb/hr 3000 1 Heat Input 5536 mmbtu/hr 5100 

### 2 Heat Input 5574 mmbtu/hr 5100 3 Heat Input 5546 mmbtu/hr 5100

Run Name Value UOM Comments Target Value 

### 1 LOW NOX BURNERS 0.373 lb/mmBTU 0.3 2 LOW NOX BURNERS 0.368 lb/mmBTU 0.3 3 LOW NOX BURNERS 0.367 lb/mmBTU 0.3 

### 1 OVERFIRE AIR 0.373 lb/mmBTU 0.3 2 OVERFIRE AIR 0.368 lb/mmBTU 0.3 3 OVERFIRE AIR 0.367 lb/mmBTU 0.3



### Monday, February 21, 2011 Page 8 of 14

### ICR Emission Test GRDA_U2
8/26/2010

Process Lab Run Data 1 DRY SCRUBBER 74.5 % 72 

### 2 DRY SCRUBBER 74.6 % 72 3 DRY SCRUBBER 74.5 % 72 1 ELECTROSTATIC PRECIPITATOR 3.7 % 3 

### 2 ELECTROSTATIC PRECIPITATOR 4.3 % 3 3 ELECTROSTATIC PRECIPITATOR 5.3 % 3



### Run Name Value UOM Comments 1 See 4b Comments. 0

Monday, February 21, 2011 Page 9 of 14

### ICR Emission Test GRDA_U2
8/26/2010 Sampling / Stack Data Results Detail


### Location Stack Exit - Method 1 - 4 Average Run Number 1 2 3 Test Date 6/29/2010 6/29/2010 6/29/2010 Run Start Time 7:35:00 AM10:22:00 AM 1:05:00 PM Run Finish Time 9:49:00 AM12:33:00 PM 3:16:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 144 141 141 Nozzle Diameter, inches 0.1903 0.1903 0.1903 0.190 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.986 0.986 0.986 0.986 Barometric Pressure, inches of Mercury 29.6 29.6 29.65 29.617 Average Orifice Meter Differential, inches H2O 1.71 1.54 1.78 1.677 Dry Gas Meter Volume Sampled, cubic feet 0.000 0.000 98.537 32.846 Average Dry Gas Meter Temperature, °F 89.21 97.21 105.13 97.183 Dry Gas Meter Volume Sampled, dscf 0.000 0.000 90.352 30.117 Total Moisture Liquid collected, g 353.3 300.8 414.6 356.233 Volume of Water Vapor, standard cubic feet 16.63 14.16 19.52 16.770 Moisture Content of Stack Gas, % 100.00 100.00 17.77 72.590 Moisture Saturation at Stack Gas Temperature, % 65.66 64.64 61.90 64.067 Dry Mole Fraction 0.3434 0.3536 0.8223 0.506 Carbon Dioxide, % 10.94 11.24 11.29 11.157 Oxygen, % 8.4 8.31 8.41 8.373 Carbon Monoxide & Nitrogen, % 80.66 80.45 80.3 80.470 Fuel Factor 1.14 1.12 1.11 Dry Molecular Weight, lb/lb-Mole 30.09 30.13 30.14 30.120 Wet Molecular weight, lb/lb-Mole 28.33 28.65 27.98 28.320 Flue Gas Static Pressure, inches of H2O 0.68 0.55 0.66 0.630 Absolute Flue Gas Pressure, inches of Mercury 29.65 29.64 29.70 29.663 Average Stack Gas Temperature, °F 191.17 190.42 188.50 190.030 Average Velocity Head, inches of H2O 2.0641059552 95681.851155044

60575 2.142989693

48327 2.019
Average Stack Gas Velocity, feet/second 90.84 85.51 92.87 89.740 Stack Cross-Sectional Area, square feet 2.632 2.632 2.632 2.632 Dry Volumetric Flow Rate, dry scfm 3,958.4 3,839.9 9,746.8 5,848.367 Actual Wet Volumetric Flue Gas Flow Rate, acfm 14,345.5 13,503.7 14,666.0 14,171.733 Percent Isokinetic of Sampling Rate, % 0.0 0.0 87.6 29.200 Percent Excess Air, % 65.1 64.3 65.8 65.067 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 21.969 21.969 21.969 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



### Monday, February 21, 2011 Page 10 of 14

### ICR Emission Test GRDA_U2
8/26/2010 Location Stack Exit - Method 10 Average Run Number 1 2 3 Test Date 6/29/2010 6/29/2010 6/29/2010 Run Start Time 7:35:07 AM10:18:07 AM 1:05:07 PM Run Finish Time 9:58:07 AM12:42:57 PM 3:25:57 PM Carbon Dioxide, % 10.94 11.24 11.29 11.157 Oxygen, % 8.4 8.31 8.41 8.373 Fuel Factor 1.14 1.12 1.11 Dry Volumetric Flow Rate, dry scfm 1402159.2 1344945.8 1400455.31,382,520.1 00 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 15.59 14.27 17.83 15.897 Analyzer Make Fuji Fuji Fuji Analyzer Model 3300 3300 3300 3,300.000 Analyzer Serial Number N8A-0779T N8A-0779T N8A-0779T Operating Range 253 253 253 253.000 Operating Units ppm ppm ppm No. Readings/Avg. 863 869 845 859.000 Calibration Set 0 0 0 0.000 Calibration Pre Zero Cylinder ID ALM061025- COZeroALM061025

-COZeroALM061025-

COZero Calibration Pre Zero Cylinder Instrument Response 3.65 3.65 1.23 2.843 Calibration Pre Zero Cylinder Bias 0.17 0.17 -0.79 -0.150 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC178498 CC178498 CC178498 Calibration Pre High Cylinder Instrument Response 98.85 98.85 95.65 97.783 Calibration Pre High Cylinder Bias -0.99 -0.99 -2.25 -1.410 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM061025- COZeroALM061025

-COZeroALM061025-

COZero Calibration Post Zero Cylinder Instrument Response 3.68 1.23 0.33 1.747 Calibration Post Zero Cylinder Bias 0.18 -0.79 -1.15 -0.587 Calibration Post Zero Cylinder Drift 9.9999999999 9998E-03 0.96 0.36 0.443
Calibration Post High Cylinder ID CC178498 CC178498 CC178498 Calibration Post High Cylinder Instrument Response 97.62 95.65 94.55 95.940 Calibration Post High Cylinder Bias -1.47 -2.25 -2.69 -2.137 Calibration Post High Cylinder Drift 1.47 1.26 0.44 1.057 Cavg 10.01 2.57 1.21 4.597 Cavg Units ppmvd ppmvd ppmvd Cgas 6.7764 0.1385 0.4605 2.458 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



### Monday, February 21, 2011 Page 11 of 14

### ICR Emission Test GRDA_U2
8/26/2010 Location Stack Exit - Method 25A Average Run Number 1 2 3 Test Date 6/29/2010 6/29/2010 6/29/2010 Run Start Time 7:35:07 AM10:18:07 AM 1:05:07 AM Run Finish Time 9:58:57 AM12:42:57 PM 3:25:57 AM Carbon Dioxide, % 10.94 11.24 11.29 11.157 Oxygen, % 8.4 8.31 8.41 8.373 Fuel Factor 1.14 1.12 1.11 Dry Volumetric Flow Rate, dry scfm 1402159.2 1344945.8 1400455.31,382,520.1 00 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 15.59 14.27 17.83 15.897 Analyzer Make TECO TECO TECO Analyzer Model 51 51 51 51.000 Analyzer Serial Number 51-30764-261 51-30764- 26151-30764-261
Operating Range 100 100 100 100.000 Operating Units ppm ppm ppm No. Readings/Avg. 863 869 845 859.000 Calibration Set 0 0 0 0.000 Calibration Pre Zero Cylinder ID ALM061025- COZeroALM061025

-COZeroALM061025-

COZero Calibration Pre Zero Cylinder Instrument Response 0 0.15 0.1 0.083 Calibration Pre Zero Cylinder Bias -1.28 -1.22 -1.24 -1.247 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC178498 CC178498 CC178498 Calibration Pre High Cylinder Instrument Response 0 24.8 24.7 16.500 Calibration Pre High Cylinder Bias 0 -30.26 -30.3 -20.187 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM061025- COZeroALM061025

-COZeroALM061025-

COZero Calibration Post Zero Cylinder Instrument Response 0.15 0.1 0.2 0.150 Calibration Post Zero Cylinder Bias -1.22 -1.24 -1.2 -1.220 Calibration Post Zero Cylinder Drift 6.0000000000 0001E-02 0.02 1.2 0.427
Calibration Post High Cylinder ID CC178498 CC178498 CC178498 Calibration Post High Cylinder Instrument Response 24.8 24.7 24.6 24.700 Calibration Post High Cylinder Bias -30.26 -30.3 -30.34 -30.300 Calibration Post High Cylinder Drift 30.263.999999999 99991E-02 9.72 13.340
Cavg 0.89 0.77 0.43 0.697 Cavg Units ppmvd ppmvd ppmvd Cgas 6.6787 2.6455 1.1543 3.493 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



### Monday, February 21, 2011 Page 12 of 14

### ICR Emission Test GRDA_U2
8/26/2010 Location Stack Exit - Method 3A CO2 Average Run Number 1 2 3 Test Date 6/29/2010 6/29/2010 6/29/2010 Run Start Time 7:35:07 AM10:18:07 AM 1:05:07 PM Run Finish Time 9:58:57 AM12:42:57 PM 3:25:57 PM Carbon Dioxide, % 10.94 11.24 11.29 11.157 Oxygen, % 8.4 8.31 8.41 8.373 Fuel Factor 1.14 1.12 1.11 Dry Volumetric Flow Rate, dry scfm 1402159.2 1344945.8 1400455.31,382,520.1 00 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 15.59 14.27 17.83 15.897 Analyzer Make Fuji Fuji Fuji Analyzer Model 3300 3300 3300 3,300.000 Analyzer Serial Number NHJ-3522t NHJ-3522t NHJ-3522t Operating Range 20.4 20.4 20.4 20.400 Operating Units % % % No. Readings/Avg. 863 869 845 859.000 Calibration Set 0 0 0 0.000 Calibration Pre Zero Cylinder ID CC93937-Zero CC93937- Zero CC93937-

Zero Calibration Pre Zero Cylinder Instrument Response 0.1 0.1 0.2 0.133 Calibration Pre Zero Cylinder Bias 0 0 0.49 0.163 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM061025 ALM061025 ALM061025 Calibration Pre High Cylinder Instrument Response 9.2 9.3 9.4 9.300 Calibration Pre High Cylinder Bias -3.43 -2.94 -2.45 -2.940 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID CC93937-Zero CC93937- Zero CC93937-

Zero Calibration Post Zero Cylinder Instrument Response 0.1 0.2 0.2 0.167 Calibration Post Zero Cylinder Bias 0 0.49 0.49 0.327 Calibration Post Zero Cylinder Drift 0 0.49 0 0.163 Calibration Post High Cylinder ID ALM061025 ALM061025 ALM061025 Calibration Post High Cylinder Instrument Response 9.3 9.4 9.4 9.367 Calibration Post High Cylinder Bias -2.94 -2.45 -2.45 -2.613 Calibration Post High Cylinder Drift 2.94 0.49 0 1.143 Cavg 10.31 10.69 10.79 10.597 Cavg Units %vd %vd %vd Cgas 10.9465 11.2388 11.2922 11.159 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



### Monday, February 21, 2011 Page 13 of 14

### ICR Emission Test GRDA_U2
8/26/2010 Location Stack Exit - Method 3A O2 Average Run Number 1 2 3 Test Date 6/29/2010 6/29/2010 6/29/2010 Run Start Time 7:35:07 AM10:18:07 AM 1:05:07 PM Run Finish Time 9:58:57 AM12:42:57 PM 3:25:57 PM Carbon Dioxide, % 10.94 11.24 11.29 11.157 Oxygen, % 8.4 8.31 8.41 8.373 Fuel Factor 1.14 1.12 1.11 Dry Volumetric Flow Rate, dry scfm 1402159.2 1344945.8 1400455.31,382,520.1 00 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Moisture, % 15.59 14.27 17.83 15.897 Analyzer Make Teledyne Teledyne Teledyne Analyzer Model Analyzer Serial Number AR-1 AR-1 AR-1 Operating Range 20 20 20 20.000 Operating Units % % % No. Readings/Avg. 863 869 845 859.000 Calibration Set 0 0 0 0.000 Calibration Pre Zero Cylinder ID ALM061025- ZeroALM061025

-ZeroALM061025-

Zero Calibration Pre Zero Cylinder Instrument Response 0 0.53 0.65 0.393 Calibration Pre Zero Cylinder Bias 0 2.65 3.25 1.967 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC93937 CC93937 CC93937 Calibration Pre High Cylinder Instrument Response 9.13 9.2 9.3 9.210 Calibration Pre High Cylinder Bias 0.5 0.85 1.35 0.900 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM061025- ZeroALM061025

-ZeroALM061025-

Zero Calibration Post Zero Cylinder Instrument Response 0.53 0.65 0.73 0.637 Calibration Post Zero Cylinder Bias 2.65 3.25 3.65 3.183 Calibration Post Zero Cylinder Drift 2.65 0.6 0.4 1.217 Calibration Post High Cylinder ID CC93937 CC93937 CC93937 Calibration Post High Cylinder Instrument Response 9.2 9.3 9.4 9.300 Calibration Post High Cylinder Bias 0.85 1.35 1.85 1.350 Calibration Post High Cylinder Drift 0.35 0.5 1.95 0.933 Cavg 8.56 8.58 8.77 8.637 Cavg Units %vd %vd %vd Cgas 8.3975 8.3129 8.4066 8.372 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 %vw



### Monday, February 21, 2011 Page 14 of 14