### Name:

Title: Company: Sign Date: Name: Title: Company: Sign Date: Permitted Facility Representative / Date Testing Company Representative / Date 

## Louisa ICR 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 14, 2011 Page 1 of 17

### Louisa ICR

Facility Information:
Louisa
8602 172nd St

Muscatine IA52761-9066 Contact:James Wiegand Phone:563-262-2872 Fax: 563-262-2892 Email: JDWiegand@midamerican.com Testing Company: Comprehensive Emission Services
P.O. Box 910

Waukee IA50263 Contact:Tim Titus Phone:5159870200 Fax: 5159876604 Email:tim@testces.com

Air Permit Number: 6664 Permitted Source ID/Name: Enter the Boiler ID of the tested boiler (left) 101 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: This description should describe the process and associated controls to differentiate this facility from, or document similarity with others of same SCC. Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:1911500007 FRS #:110000415783

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 385.8 3420 2340 4 0 12 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Hydrogen Fluoride Method 26A 3 60 0 Stack Exit Hydrogen Chloride Method 26A 3 60 0 Stack Exit Organic Condensible

Particulate OTM - 27/28 3 240 0 Stack Exit

Total PM2.5 OTM - 27/28 3 240 0 Stack Exit Filterable PM2.5 OTM - 27/28 3 240 0 Stack Exit Inorganic (Aqueous)

Condensible Part. OTM - 27/28 3 240 0 Stack Exit



### Monday, February 14, 2011 Page 2 of 17

### Louisa ICR

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. In this section, identify the promulgation date of any specified test method that you use for determining the procedures followed. This field is also used to document any modifications that are necessary to conduct the emissions test if they are outside the requirements of the cited method. If this modification was approved verbally by a regulatory agency, the name and date of approval should be included. Written formal approval should be attached to this file using the "Attach File" button. Test procedures that are different from those published in the Federal Register should be attached using the "Attach File" button.

Filterable Particulate 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 Mercury Method 29 3 240 0 Stack Exit Nickel Method 29 3 240 0 Stack Exit Antimony Method 29 3 240 0 Stack Exit Selenium Method 29 3 240 0 Stack Exit Mercury Method 29 3 240 0 Stack Exit Cobalt Method 29 3 240 0 Stack Exit Co2 Method 3A CO2 3 480 0 Stack Exit O2 Method 3A O2 3 480 0 Stack Exit



### Monday, February 14, 2011 Page 3 of 17

### Louisa ICR

Sampling / Stack Data Results Summary



### LocationStack Exit - Method 26A Average Run Number 1 2 3
Test Date 4/27/2010 4/27/2010 4/27/2010 Run Start Time 9:21:00 PM 10:38:00 PM12:59:00 AM

Run Finish Time 10:30:00 PM 11:46:00 PM11:51:00 PM

Net Run Time, minutes 60 60 60 Dry Gas Meter Volume Sampled, dscf 37.646 37.462 37.466 37.525 Moisture Content of Stack Gas, % 11.31 12.72 12.43 12.153 Moisture Saturation at Stack Gas Temperature, % 62.98 62.64 63.21 62.943 Carbon Dioxide, % 12.6 12.6 12.6 12.600 Oxygen, % 7.1 7.1 7.1 7.100 Average Stack Gas Temperature, °F 188.58 188.33 188.75 188.553 Dry Volumetric Flow Rate, dry scfm 2,142,204.42,103,885.1 2,106,794.92,117,628.13 3 Actual Wet Volumetric Flue Gas Flow Rate, acfm 3,035,988.33,028,682.1 3,024,785.43,029,818.60 0 Percent Isokinetic of Sampling Rate, % 97.0 98.3 98.2 97.833 F-Factor, dscfm/MMBtu @ %O2 9820 9820 9820 9,820.000
Fw 0 0 0 0.000
Fc 1840 1840 1840 1,840.000



### Monday, February 14, 2011 Page 4 of 17

### Louisa ICR

LocationStack Exit - Method 29 Average Run Number 1 2 3
Test Date 4/27/2010 4/27/2010 4/27/2010 Run Start Time 7:19:00 AM 12:07:00 PM 4:54:00 PM

Run Finish Time 11:30:00 AM4:17:00 PM 8:59:00 PM Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 148.490 149.639 150.416 149.515 Moisture Content of Stack Gas, % 14.29 14.36 14.84 14.497 Moisture Saturation at Stack Gas Temperature, % 63.34 62.98 63.66 63.327 Carbon Dioxide, % 12.5 12.6 12.6 12.567 Oxygen, % 7.2 7.1 7.1 7.133 Average Stack Gas Temperature, °F 188.83 188.58 189.08 188.830 Dry Volumetric Flow Rate, dry scfm 2,059,759.32,065,216.5 2,076,461.12,067,145.63 3 Actual Wet Volumetric Flue Gas Flow Rate, acfm 3,022,837.13,031,117.5 3,067,161.73,040,372.10 0 Percent Isokinetic of Sampling Rate, % 99.5 100.0 100.0 99.833 F-Factor, dscfm/MMBtu @ %O2 9820 9820 9820 9,820.000
Fw 0 0 0 0.000
Fc 1840 1840 1840 1,840.000



### LocationStack Exit - Method 3A CO2 Average Run Number 1 2 3
Test Date 4/27/2010 4/27/2010 4/27/2010 Run Start Time 6:32:00 AM 12:17:00 PM 4:54:00 PM

Run Finish Time 11:54:00 AM4:42:00 PM 8:59:00 PM Carbon Dioxide, % 0 0 0 0.000 Oxygen, % 0 0 0 0.000 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 0 0 0 0.000 Fuel Type
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Monday, February 14, 2011 Page 5 of 17

### Louisa ICR

LocationStack Exit - Method 3A O2 Average Run Number 1 2 3
Test Date 4/27/2010 4/27/2010 4/27/2010 Run Start Time 6:32:00 AM 12:17:00 PM 4:54:00 PM

Run Finish Time 11:54:00 AM4:42:00 PM 8:59:00 PM Carbon Dioxide, % 0 0 0 0.000 Oxygen, % 0 0 0 0.000 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 0 0 0 0.000 Fuel Type
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### LocationStack Exit - OTM - 27/28 Average Run Number 1 2 3
Test Date 4/27/2010 4/27/2010 4/27/2010 Run Start Time 7:17:00 AM 12:06:00 PM 4:53:00 PM

Run Finish Time 11:27:00 AM4:25:00 PM 8:59:00 PM Net Run Time, minutes 239.6 252 240.68 Dry Gas Meter Volume Sampled, dscf 76.193 77.783 74.576 76.184 Moisture Content of Stack Gas, % 12.44 13.14 13.49 13.023 Moisture Saturation at Stack Gas Temperature, % 63.12 63.34 64.26 63.573 Carbon Dioxide, % 12.5 12.6 12.6 12.567 Oxygen, % 7.2 7.1 7.1 7.133 Average Stack Gas Temperature, °F 188.67 188.83 189.50 189.000 Dry Volumetric Flow Rate, dry scfm 2,104,737.02,093,113.7 2,090,895.42,096,248.70 0 Actual Wet Volumetric Flue Gas Flow Rate, acfm 3,022,837.13,031,117.5 3,043,294.63,032,416.40 0 Percent Isokinetic of Sampling Rate, % 99.9 97.6 98.0 98.500 F-Factor, dscfm/MMBtu @ %O2 9820 9820 9820 9,820.000
Fw 0 0 0 0.000
Fc 1840 1840 1840 1,840.000



### Monday, February 14, 2011 Page 6 of 17

### Louisa ICR

Emissions Summary



### Location: Stack Exit - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.236 0.17 0.25 0.219 Elb/hr 1.78E+00 1.26E+00 1.86E+00 1.633 lb/mmBtuCO2 2.02E-04 1.46E-04 2.15E-04 0.000 lb/mmBtuO2 2.06E-04 1.49E-04 2.19E-04 0.000 mg/dscm 2.21E-01 1.60E-01 2.36E-01 0.206 mg/dscm@7%O2 2.23E-01 1.61E-01 2.38E-01 0.207 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.22 0.22 0.22 0.220 Elb/hr 1.66E+00 1.63E+00 1.64E+00 1.643 lb/mmBtuCO2 1.88E-04 1.89E-04 1.89E-04 0.000 lb/mmBtuO2 1.92E-04 1.93E-04 1.93E-04 0.000 mg/dscm 2.06E-01 2.07E-01 2.07E-01 0.207 mg/dscm@7%O2 2.07E-01 2.09E-01 2.09E-01 0.208



### Location: Stack Exit - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.00363 0.00529 0.00536 0.005 Elb/hr 6.66E-03 9.66E-03 9.79E-03 0.009 lb/mmBtuCO2 7.93E-07 1.14E-06 1.15E-06 0.000 lb/mmBtuO2 8.07E-07 1.16E-06 1.17E-06 0.000 mg/dscm 8.63E-04 1.25E-03 1.26E-03 0.001 mg/dscm@7%O2 8.76E-04 1.26E-03 1.27E-03 0.001 ug/dscm 8.63E-01 1.25E+00 1.26E+00 1.124 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00166 0.001281 0.00115 0.001 Elb/hr 3.05E-03 2.34E-03 2.10E-03 0.002 lb/mmBtuCO2 3.63E-07 2.76E-07 2.46E-07 0.000 lb/mmBtuO2 3.69E-07 2.81E-07 2.51E-07 0.000 mg/dscm 3.95E-04 3.02E-04 2.70E-04 0.000 mg/dscm@7%O2 4.01E-04 3.04E-04 2.72E-04 0.000 ug/dscm 3.95E-01 3.02E-01 2.70E-01 0.322 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.00002 0.000021 0.000021 0.000 Elb/hr 3.67E-05 3.83E-05 3.83E-05 0.000 lb/mmBtuCO2 4.37E-09 4.52E-09 4.49E-09 0.000 lb/mmBtuO2 4.45E-09 4.60E-09 4.58E-09 0.000


### Monday, February 14, 2011 Page 7 of 17

### Louisa ICR

mg/dscm 4.76E-06 4.96E-06 4.93E-06 0.000 mg/dscm@7%O2 4.83E-06 5.00E-06 4.97E-06 0.000 ug/dscm 4.76E-03 4.96E-03 4.93E-03 0.005 

### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.00004 0.00017 0.00013 0.000 Elb/hr 7.34E-05 3.10E-04 2.37E-04 0.000 lb/mmBtuCO2 8.74E-09 3.66E-08 2.78E-08 0.000 lb/mmBtuO2 8.90E-09 3.72E-08 2.83E-08 0.000 mg/dscm 9.51E-06 4.01E-05 3.05E-05 0.000 mg/dscm@7%O2 9.65E-06 4.04E-05 3.07E-05 0.000 ug/dscm 9.51E-03 4.01E-02 3.05E-02 0.027 

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.02219 0.01661 0.01307 0.017 Elb/hr 4.07E-02 3.03E-02 2.39E-02 0.032 lb/mmBtuCO2 4.85E-06 3.57E-06 2.80E-06 0.000 lb/mmBtuO2 4.94E-06 3.64E-06 2.85E-06 0.000 mg/dscm 5.28E-03 3.92E-03 3.07E-03 0.004 mg/dscm@7%O2 5.36E-03 3.95E-03 3.09E-03 0.004 ug/dscm 5.28E+00 3.92E+00 3.07E+00 4.090 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.00541 0.00296 0.00286 0.004 Elb/hr 9.93E-03 5.40E-03 5.22E-03 0.007 lb/mmBtuCO2 1.18E-06 6.37E-07 6.12E-07 0.000 lb/mmBtuO2 1.20E-06 6.49E-07 6.23E-07 0.000 mg/dscm 1.29E-03 6.99E-04 6.72E-04 0.001 mg/dscm@7%O2 1.31E-03 7.04E-04 6.77E-04 0.001 ug/dscm 1.29E+00 6.99E-01 6.72E-01 0.887 

### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 18.6 22.7 20.3 20.533 Elb/hr 3.41E+01 4.14E+01 3.71E+01 37.533 lb/mmBtuCO2 4.06E-03 4.88E-03 4.34E-03 0.004 lb/mmBtuO2 4.14E-03 4.97E-03 4.43E-03 0.005 mg/dscm 4.42E+00 5.36E+00 4.77E+00 4.850 mg/dscm@7%O2 4.48E+00 5.40E+00 4.80E+00 4.893 ug/dscm 4.42E+03 5.36E+03 4.77E+03 4,850.000 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.012 0.00834 0.0077 0.009 Elb/hr 2.20E-02 1.52E-02 1.41E-02 0.017 lb/mmBtuCO2 2.62E-06 1.79E-06 1.65E-06 0.000



### Monday, February 14, 2011 Page 8 of 17

### Louisa ICR

lb/mmBtuO2 2.67E-06 1.83E-06 1.68E-06 0.000 mg/dscm 2.85E-03 1.97E-03 1.81E-03 0.002 mg/dscm@7%O2 2.89E-03 1.98E-03 1.82E-03 0.002 ug/dscm 2.85E+00 1.97E+00 1.81E+00 2.210 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.0447 0.02265 0.0218 0.030 Elb/hr 8.20E-02 4.13E-02 3.98E-02 0.054 lb/mmBtuCO2 9.77E-06 4.87E-06 4.67E-06 0.000 lb/mmBtuO2 9.94E-06 4.96E-06 4.75E-06 0.000 mg/dscm 1.06E-02 5.35E-03 5.12E-03 0.007 mg/dscm@7%O2 1.08E-02 5.39E-03 5.16E-03 0.007 ug/dscm 1.06E+01 5.35E+00 5.12E+00 7.023 

### Compound: Mercury Average RunNumber 1 2 3 Mass_mg 0.0332 0.0296 0.0314 0.031 Elb/hr 6.09E-02 5.40E-02 5.73E-02 0.057 lb/mmBtuCO2 7.26E-06 6.37E-06 6.72E-06 0.000 lb/mmBtuO2 7.38E-06 6.49E-06 6.84E-06 0.000 mg/dscm 7.90E-03 6.99E-03 7.37E-03 0.007 mg/dscm@7%O2 8.02E-03 7.04E-03 7.42E-03 0.007 ug/dscm 7.90E+00 6.99E+00 7.37E+00 7.420 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.062 0.03881 0.01912 0.040 Elb/hr 1.14E-01 7.09E-02 3.49E-02 0.073 lb/mmBtuCO2 1.35E-05 8.35E-06 4.09E-06 0.000 lb/mmBtuO2 1.38E-05 8.50E-06 4.17E-06 0.000 mg/dscm 1.47E-02 9.16E-03 4.49E-03 0.009 mg/dscm@7%O2 1.49E-02 9.23E-03 4.52E-03 0.010 ug/dscm 1.47E+01 9.16E+00 4.49E+00 9.450 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.00424 0.0088 0.00673 0.007 Elb/hr 7.78E-03 1.61E-02 1.23E-02 0.012 lb/mmBtuCO2 9.27E-07 1.89E-06 1.44E-06 0.000 lb/mmBtuO2 9.43E-07 1.93E-06 1.47E-06 0.000 mg/dscm 1.01E-03 2.08E-03 1.58E-03 0.002 mg/dscm@7%O2 1.02E-03 2.10E-03 1.59E-03 0.002 ug/dscm 1.01E+00 2.08E+00 1.58E+00 1.557



### Location: Stack Exit - OTM - 27/28 Compound: Filterable PM2.5 Average RunNumber 1 2 3



### Monday, February 14, 2011 Page 9 of 17

### Louisa ICR

Process Run Data Mass_mg 0.9 2.4 0.8 1.367 Elb/hr 3.29E+00 8.54E+00 2.97E+00 4.933 lb/mmBtuCO2 3.83E-04 9.93E-04 3.45E-04 0.001 lb/mmBtuO2 3.90E-04 1.01E-03 3.52E-04 0.001 mg/dscm 4.17E-01 1.09E+00 3.79E-01 0.629 mg/dscm@7%O2 4.23E-01 1.10E+00 3.82E-01 0.635 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 23.6 12.4 16.6 17.533 Elb/hr 8.62E+01 4.41E+01 6.16E+01 63.967 lb/mmBtuCO2 1.01E-02 5.13E-03 7.17E-03 0.007 lb/mmBtuO2 1.02E-02 5.23E-03 7.30E-03 0.008 mg/dscm 1.09E+01 5.63E+00 7.86E+00 8.130 mg/dscm@7%O2 1.11E+01 5.67E+00 7.92E+00 8.230 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 3.2 4 2.3 3.167 Elb/hr 1.17E+01 1.42E+01 8.53E+00 11.477 lb/mmBtuCO2 1.36E-03 1.66E-03 9.93E-04 0.001 lb/mmBtuO2 1.39E-03 1.69E-03 1.01E-03 0.001 mg/dscm 1.48E+00 1.82E+00 1.09E+00 1.463 mg/dscm@7%O2 1.50E+00 1.83E+00 1.10E+00 1.477 

### Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 27.7 18.8 19.7 22.067 Elb/hr 1.01E+02 6.69E+01 7.31E+01 80.333 lb/mmBtuCO2 1.18E-02 7.78E-03 8.50E-03 0.009 lb/mmBtuO2 1.20E-02 7.92E-03 8.66E-03 0.010 mg/dscm 1.28E+01 8.54E+00 9.33E+00 10.223 mg/dscm@7%O2 1.30E+01 8.60E+00 9.40E+00 10.333



### Monday, February 14, 2011 Page 10 of 17

### Louisa ICR

Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Subbituminous Coal Burned 881 1000 Tons 870


### 2 Subbituminous Coal Burned 0 1000 Tons 870
3 Subbituminous Coal Burned 0 1000 Tons 870
1 Average Heat Input 6311.3MMBtu/hr 6300


### 2 Average Heat Input 0 MMBtu/hr 6300
3 Average Heat Input 0 MMBtu/hr 6300
1 Steam Output 46981000 lb steam/hr4600


### 2 Steam Output 01000 lb steam/hr4600
3 Steam Output 01000 lb steam/hr4600
1 Pressure Drop Across FGD (if applicable) 5 in H20 4.8


### 1 FGD Scrubber Liquor Flow Rate 54 gal/min 50
1 Unit Gross Electrical Output 767 Mwe 760
1 Unit Net Electric Generation 705 MWh 700

Run Name Value UOM Comments Target Value 

### 1 BAGHOUSE 0 NA 0
1 DRY SCRUBBER 54.1 Gal/min 48


### 1 LOW NOX BURNERS 0 NA 0

Run Name ValueUOM Comments 1 Ash 8.35 % 1 Carbon 70.23 % 

### 1 Hydrogen 4.84 % 1 Nitrogen 1.05 % 1 Total Sulfur 0.45 % 1 Oxygen 15.08 % 

### 1 Fuel Higher Heating Value 8286 Btu/lb 1 Fuel Moisture 30.19 % 1 Fuel Mercury Content 0.017mg/kg 

### 1 Fuel Cadmium Content 0.09 mg/kg 1 Ultimate/Proximate Analysis 0 1 Fuel Nickel Content 5 mg/kg 1 Fuel Arsenic Content 1.4 mg/kg



### Monday, February 14, 2011 Page 11 of 17

### Louisa ICR

1 Fuel Chromium Content 6 mg/kg 

### 1 Fuel Beryllium Content 0.3 mg/kg 1 Fuel Lead Content 2.9 mg/kg 1 Fuel Manganese Content 15 mg/kg 1 Fuel Chlorine Content 8 ppm 

### 1 Fuel Fluorine Content 35.8 ppm

Monday, February 14, 2011 Page 12 of 17

### Louisa ICR

Sampling / Stack Data Results Detail



### LocationStack Exit - Method 26A Average Run Number 1 2 3 Test Date 4/27/2010 4/27/2010 4/27/2010 Run Start Time 9:21:00 PM10:38:00 PM12:59:00 AM Run Finish Time 10:30:00 PM11:46:00 PM11:51:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 60 60 60 Nozzle Diameter, inches 0.212 0.212 0.212 0.212 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.988 0.988 0.988 0.988 Barometric Pressure, inches of Mercury 29.3 29.3 29.3 29.300 Average Orifice Meter Differential, inches H2O 1.47 1.47 1.47 1.470 Dry Gas Meter Volume Sampled, cubic feet 39.684 39.521 39.562 39.589 Average Dry Gas Meter Temperature, °F 80.50 80.92 81.42 80.947 Dry Gas Meter Volume Sampled, dscf 37.646 37.462 37.466 37.525 Total Moisture Liquid collected, g 102 116 113 110.333 Volume of Water Vapor, standard cubic feet 4.80 5.46 5.32 5.193 Moisture Content of Stack Gas, % 11.31 12.72 12.43 12.153 Moisture Saturation at Stack Gas Temperature, % 62.98 62.64 63.21 62.943 Dry Mole Fraction 0.8869 0.8728 0.8757 0.878 Carbon Dioxide, % 12.6 12.6 12.6 12.600 Oxygen, % 7.1 7.1 7.1 7.100 Carbon Monoxide & Nitrogen, % 80.3 80.3 80.3 80.300 Fuel Factor 1.10 1.10 1.10 Dry Molecular Weight, lb/lb-Mole 30.30 30.30 30.30 30.300 Wet Molecular weight, lb/lb-Mole 28.91 28.74 28.77 28.807 Flue Gas Static Pressure, inches of H2O -0.87 -0.87 -0.87 -0.870 Absolute Flue Gas Pressure, inches of Mercury 29.24 29.24 29.24 29.240 Average Stack Gas Temperature, °F 188.58 188.33 188.75 188.553 Average Velocity Head, inches of H2O 0.9819520054 924070.971809580

9810890.969712935

743619 0.974
Average Stack Gas Velocity, feet/second 62.33 62.18 62.10 62.203 Stack Cross-Sectional Area, square feet 811.805 811.805 811.805 811.805 Dry Volumetric Flow Rate, dry scfm 2,142,204.42,103,885.1 2,106,794.92,117,628.1 33 Actual Wet Volumetric Flue Gas Flow Rate, acfm 3,035,988.33,028,682.1 3,024,785.43,029,818.6 00 Percent Isokinetic of Sampling Rate, % 97.0 98.3 98.2 97.833 Percent Excess Air, % 50.4 50.4 50.4 50.400 F-Factor, dscfm/MMBtu @ %O2 9820 9820 98209,820.000 Round Duct Diameter, inches 385.8 385.8 385.8 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 1840 1840 18401,840.000



### Monday, February 14, 2011 Page 13 of 17

### Louisa ICR

LocationStack Exit - Method 29 Average Run Number 1 2 3 Test Date 4/27/2010 4/27/2010 4/27/2010 Run Start Time 7:19:00 AM12:07:00 PM 4:54:00 PM Run Finish Time 11:30:00 AM4:17:00 PM 8:59:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.212 0.212 0.212 0.212 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.988 0.988 0.988 0.988 Barometric Pressure, inches of Mercury 29.3 29.3 29.3 29.300 Average Orifice Meter Differential, inches H2O 1.44 1.48 1.52 1.480 Dry Gas Meter Volume Sampled, cubic feet 156.927 160.022 160.813 159.254 Average Dry Gas Meter Temperature, °F 81.83 88.33 88.25 86.137 Dry Gas Meter Volume Sampled, dscf 148.490 149.639 150.416 149.515 Total Moisture Liquid collected, g 526 533 557 538.667 Volume of Water Vapor, standard cubic feet 24.76 25.09 26.22 25.357 Moisture Content of Stack Gas, % 14.29 14.36 14.84 14.497 Moisture Saturation at Stack Gas Temperature, % 63.34 62.98 63.66 63.327 Dry Mole Fraction 0.8571 0.8564 0.8516 0.855 Carbon Dioxide, % 12.5 12.6 12.6 12.567 Oxygen, % 7.2 7.1 7.1 7.133 Carbon Monoxide & Nitrogen, % 80.3 80.3 80.3 80.300 Fuel Factor 1.10 1.10 1.10 Dry Molecular Weight, lb/lb-Mole 30.29 30.30 30.30 30.297 Wet Molecular weight, lb/lb-Mole 28.53 28.53 28.47 28.510 Flue Gas Static Pressure, inches of H2O -0.89 -0.83 -0.87 -0.863 Absolute Flue Gas Pressure, inches of Mercury 29.23 29.24 29.24 29.237 Average Stack Gas Temperature, °F 188.83 188.58 189.08 188.830 Average Velocity Head, inches of H2O 0.9599569704 188760.965796574

5072210.986195790

982934 0.971
Average Stack Gas Velocity, feet/second 62.06 62.23 62.97 62.420 Stack Cross-Sectional Area, square feet 811.805 811.805 811.805 811.805 Dry Volumetric Flow Rate, dry scfm 2,059,759.32,065,216.5 2,076,461.12,067,145.6 33 Actual Wet Volumetric Flue Gas Flow Rate, acfm 3,022,837.13,031,117.5 3,067,161.73,040,372.1 00 Percent Isokinetic of Sampling Rate, % 99.5 100.0 100.0 99.833 Percent Excess Air, % 51.4 50.4 50.4 50.733 F-Factor, dscfm/MMBtu @ %O2 9820 9820 98209,820.000 Round Duct Diameter, inches 385.8 385.8 385.8 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 1840 1840 18401,840.000



### Monday, February 14, 2011 Page 14 of 17

### Louisa ICR

LocationStack Exit - Method 3A CO2 Average Run Number 1 2 3 Test Date 4/27/2010 4/27/2010 4/27/2010 Run Start Time 6:32:00 AM12:17:00 PM 4:54:00 PM Run Finish Time 11:54:00 AM4:42:00 PM 8:59:00 PM Carbon Dioxide, % 0 0 0 0.000 Oxygen, % 0 0 0 0.000 Fuel Factor 0 0 0 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 0 0 0 0.000 Analyzer Make Horiba Horiba Horiba Analyzer Model PIR 2000 PIR 2000 PIR 2000 Analyzer Serial Number 411039 411039 411039411,039.000 Operating Range 20.16 20.16 20.16 20.160 Operating Units % % % No. Readings/Avg. 30 30 30 30.000 Calibration Set 20 20 20 20.000 Calibration Pre Zero Cylinder ID Nitrogen Nitrogen Nitrogen Calibration Pre Zero Cylinder Instrument Response 0.07 0.06 0.08 0.070 Calibration Pre Zero Cylinder Bias 0.4 0.35 0.45 0.400 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM008428 CO2ALM008428

CO2ALM008428

CO2 Calibration Pre High Cylinder Instrument Response 10.62 10.62 10.5 10.580 Calibration Pre High Cylinder Bias 0.05 0.05 -0.55 -0.150 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID Nitrogen Nitrogen Nitrogen Calibration Post Zero Cylinder Instrument Response 0.06 0.08 0.07 0.070 Calibration Post Zero Cylinder Bias 0.35 0.45 0.4 0.400 Calibration Post Zero Cylinder Drift 0.05 0.1 0.05 0.067 Calibration Post High Cylinder ID ALM008428 CO2ALM008428

CO2ALM008428

CO2 Calibration Post High Cylinder Instrument Response 10.62 10.5 10.52 10.547 Calibration Post High Cylinder Bias 0.05 -0.55 -0.45 -0.317 Calibration Post High Cylinder Drift 0 0.6 0.1 0.233 Cavg 12.6 12.7 12.6 12.633 Cavg Units %vd %vd %vd Cgas 12.4697 12.642 12.603 12.572 Cgas Units %vd %vd %vd Fuel Type Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Monday, February 14, 2011 Page 15 of 17

### Louisa ICR

LocationStack Exit - Method 3A O2 Average Run Number 1 2 3 Test Date 4/27/2010 4/27/2010 4/27/2010 Run Start Time 6:32:00 AM12:17:00 PM 4:54:00 PM Run Finish Time 11:54:00 AM4:42:00 PM 8:59:00 PM Carbon Dioxide, % 0 0 0 0.000 Oxygen, % 0 0 0 0.000 Fuel Factor 0 0 0 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 0 0 0 0.000 Analyzer Make Horiba Horiba Horiba Analyzer Model MPA-510 MPA-510 MPA-510 Analyzer Serial Number 4210851002421085100242108510024,210,851,0 02.000 Operating Range 21 21 0 14.000 Operating Units % % % No. Readings/Avg. 30 30 0 20.000 Calibration Set 10 10 10 10.000 Calibration Pre Zero Cylinder ID Nitrogen Nitrogen Nitrogen Calibration Pre Zero Cylinder Instrument Response 0.06 0.05 0.05 0.053 Calibration Pre Zero Cylinder Bias 0.19 0.14 0.14 0.157 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM008428 O2ALM008428

O2ALM008428

O2 Calibration Pre High Cylinder Instrument Response 8.53 8.49 8.45 8.490 Calibration Pre High Cylinder Bias -0.05 -0.24 -0.43 -0.240 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID Nitrogen Nitrogen Nitrogen Calibration Post Zero Cylinder Instrument Response 0.05 0.05 0.06 0.053 Calibration Post Zero Cylinder Bias 0.14 0.14 0.19 0.157 Calibration Post Zero Cylinder Drift 0.05 0 0.05 0.033 Calibration Post High Cylinder ID ALM008428 O2ALM008428

O2ALM008428

O2 Calibration Post High Cylinder Instrument Response 8.49 8.45 8.54 8.493 Calibration Post High Cylinder Bias -0.24 -0.43 0 -0.223 Calibration Post High Cylinder Drift 0.19 0.19 0.43 0.270 Cavg 7.2 7.1 7.1 7.133 Cavg Units %vd %vd %vd Cgas 7.1746 7.1086 7.0867 7.123 Cgas Units %vd %vd %vd Fuel Type Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Monday, February 14, 2011 Page 16 of 17

### Louisa ICR

LocationStack Exit - OTM - 27/28 Average Run Number 1 2 3 Test Date 4/27/2010 4/27/2010 4/27/2010 Run Start Time 7:17:00 AM12:06:00 PM 4:53:00 PM Run Finish Time 11:27:00 AM4:25:00 PM 8:59:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 239.6 252 240.68 Nozzle Diameter, inches 0.15 0.15 0.15 0.150 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 29.3 29.3 29.3 29.300 Average Orifice Meter Differential, inches H2O 0.32 0.32 0.32 0.320 Dry Gas Meter Volume Sampled, cubic feet 80.291 82.690 79.402 80.794 Average Dry Gas Meter Temperature, °F 77.67 82.42 83.25 81.113 Dry Gas Meter Volume Sampled, dscf 76.193 77.783 74.576 76.184 Total Moisture Liquid collected, g 230 250 247 242.333 Volume of Water Vapor, standard cubic feet 10.83 11.77 11.63 11.410 Moisture Content of Stack Gas, % 12.44 13.14 13.49 13.023 Moisture Saturation at Stack Gas Temperature, % 63.12 63.34 64.26 63.573 Dry Mole Fraction 0.8756 0.8686 0.8651 0.870 Carbon Dioxide, % 12.5 12.6 12.6 12.567 Oxygen, % 7.2 7.1 7.1 7.133 Carbon Monoxide & Nitrogen, % 80.3 80.3 80.3 80.300 Fuel Factor 1.10 1.10 1.10 Dry Molecular Weight, lb/lb-Mole 30.29 30.30 30.30 30.297 Wet Molecular weight, lb/lb-Mole 28.76 28.68 28.64 28.693 Flue Gas Static Pressure, inches of H2O -0.89 -0.89 -0.89 -0.890 Absolute Flue Gas Pressure, inches of Mercury 29.23 29.23 29.23 29.230 Average Stack Gas Temperature, °F 188.67 188.83 189.50 189.000 Average Velocity Head, inches of H2O 0.9680104453 263350.970185709

8981520.975729449

920188 0.971
Average Stack Gas Velocity, feet/second 62.06 62.23 62.48 62.257 Stack Cross-Sectional Area, square feet 811.805 811.805 811.805 811.805 Dry Volumetric Flow Rate, dry scfm 2,104,737.02,093,113.7 2,090,895.42,096,248.7 00 Actual Wet Volumetric Flue Gas Flow Rate, acfm 3,022,837.13,031,117.5 3,043,294.63,032,416.4 00 Percent Isokinetic of Sampling Rate, % 99.9 97.6 98.0 98.500 Percent Excess Air, % 51.4 50.4 50.4 50.733 F-Factor, dscfm/MMBtu @ %O2 9820 9820 98209,820.000 Round Duct Diameter, inches 385.8 385.8 385.8 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 1840 1840 18401,840.000



### Monday, February 14, 2011 Page 17 of 17