### Name: Mike Galbraith

Title: Scientist Company: Big Rivers Electric Corporation Sign Date: 8/26/2010 Name: Chet Gutwein Title: Engineer Company:Airtech Environmental Services Inc. Sign Date: 8/26/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## 3236C Big Rivers Green Unit 2 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.

Thursday, January 20, 2011 Page 1 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010 Facility Information:
R D Green 9000 Hwy. 2096

Robards KY42452 Contact:Mike Galbraith Phone:(270) 844-6030 Fax: Email: mike.galbraith@bigrivers.com Testing Company:
Airtech Environmental Services Inc. 601A Country Club Drive

Bensenville IL60106 Contact:Jim Christ Phone:(630) 860-4740 Fax: (630) 860-4745 Email:jchrist@airtechenv.com

Air Permit Number: 6639 Permitted Source ID/Name: G2 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: Green Unit Two is a dry bottom, wall fired, pulverized coal fired unit equipped with low NOx burners (LNB), electrostatic precipitators, flue gas desulfurization (FGD) and coal reburn technology. Construction commenced in 1976, the unit has a maximum continuous rating of 2660 MMBtu/hr and utilizes #2 fuel oil for startup and flame stabilization, bituminous coal and petroleum coke as primary fuel. Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:2123300001 FRS #:110000591422

SCC / Description10300222 External Combustion Boilers - Commercial/Institutional - 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 180 6.7 16.7 4 180 3 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 Exit Total organic compounds

(TOC) as Propane Method 25A 3 120 0 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


### Thursday, January 20, 2011 Page 2 of 23

### 3236C Big Rivers Green Unit 2
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. The following is a list of the test methods that are to be used for this test program and their respective promulgation dates: Methods 1 through 29 – August 1997 Method 30B – January 2008 Other Test Method 28 – April 2009 SW-846 0010 – September 1986 SW-846 0031 – December 1996

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 Filterable Particulate Method 29 3 240 0 Stack Exit Nickel Method 29 3 240 0 Stack Exit Cobalt Method 29 3 240 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 Organic Condensible

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

Filterable Particulate Method 5/OTM-28 3 240 0 Stack Exit Total Particulate Method 5/OTM-28 3 240 0 Stack Exit Inorganic (Aqueous)

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



### Thursday, January 20, 2011 Page 3 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010 Sampling / Stack Data Results Summary


### Location Stack Exit - Method 10 Average Run Number 1 2 3 Test Date 5/18/2010 5/20/2010 5/20/2010 Run Start Time 6:43:00 AM 6:49:00 AM 9:25:00 AM

Run Finish Time 8:59:00 AM 9:01:00 AM11:36:00 AM

Carbon Dioxide, % 11.3 11.3 12 11.533 Oxygen, % 6.68 6.96 6.24 6.627 Dry Volumetric Flow Rate, dry scfm 662506 646871 645873 651,750.000 F-Factor, dscfm/MMBtu @ %O2 10095 9935 10137 10,055.667 Moisture, % 13 12.7 13.1 12.933 Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Location Stack Exit - Method 25A Average Run Number 1 2 3 Test Date 5/18/2010 5/20/2010 5/20/2010 Run Start Time 6:43:00 AM 6:49:00 AM 9:25:00 AM

Run Finish Time 8:59:00 AM 9:01:00 AM11:36:00 AM

Carbon Dioxide, % 11.3 11.3 12 11.533 Oxygen, % 6.68 6.96 6.24 6.627 Dry Volumetric Flow Rate, dry scfm 662506 646871 645873 651,750.000 F-Factor, dscfm/MMBtu @ %O2 10095 9935 10137 10,055.667 Moisture, % 13 12.7 13.1 12.933 Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 4 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 5/17/2010 5/17/2010 5/17/2010 Run Start Time 6:58:00 AM 10:15:00 AM 1:43:00 PM

Run Finish Time 10:08:00 AM1:27:00 PM 4:52:00 PM Net Run Time, minutes 180 180 180 Dry Gas Meter Volume Sampled, dscf 96.285 92.458 94.754 94.499 Moisture Content of Stack Gas, % 14.17 14.33 13.60 14.033 Moisture Saturation at Stack Gas Temperature, % 12.72 12.92 12.15 12.597 Carbon Dioxide, % 11.5 11.5 11.5 11.500 Oxygen, % 6.58 6.58 6.58 6.580 Average Stack Gas Temperature, °F 123.42 124.00 121.75 123.057 Dry Volumetric Flow Rate, dry scfm 662,261.1 651,543.9 648,170.9 653,991.967 Actual Wet Volumetric Flue Gas Flow Rate, acfm 843,778.8 832,857.8 818,119.8 831,585.467 Percent Isokinetic of Sampling Rate, % 96.1 93.8 96.7 95.533 F-Factor, dscfm/MMBtu @ %O2 10158 10132 10168 10,152.667 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 5 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 29 Average Run Number 1 2 3 Test Date 5/18/2010 5/19/2010 5/19/2010 Run Start Time 12:29:00 PM 6:42:00 AM11:32:00 AM

Run Finish Time 5:05:00 PM 11:01:00 AM 3:44:00 PM

Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 139.954 137.073 137.520 138.182 Moisture Content of Stack Gas, % 12.06 12.79 13.07 12.640 Moisture Saturation at Stack Gas Temperature, % 12.50 12.55 12.55 12.533 Carbon Dioxide, % 11.5 11.4 11 11.300 Oxygen, % 6.58 6.7 7.06 6.780 Average Stack Gas Temperature, °F 123.00 123.00 123.00 123.000 Dry Volumetric Flow Rate, dry scfm 638,279.0 631,128.0 632,716.0 634,041.000 Actual Wet Volumetric Flue Gas Flow Rate, acfm 801,685.3 800,625.0 802,639.5 801,649.933 Percent Isokinetic of Sampling Rate, % 102.4 101.5 101.5 101.800 F-Factor, dscfm/MMBtu @ %O2 10130 10176 10201 10,169.000 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Location Stack Exit - Method 3A CO2 Average Run Number 1 2 3 Test Date 5/18/2010 5/20/2010 5/20/2010 Run Start Time 6:43:00 AM 6:49:00 AM 9:25:00 AM

Run Finish Time 8:59:00 AM 9:01:00 AM11:36:00 AM

Carbon Dioxide, % 11.3 11.3 12 11.533 Oxygen, % 6.68 6.96 6.24 6.627 Dry Volumetric Flow Rate, dry scfm 662506 646871 645873 651,750.000 F-Factor, dscfm/MMBtu @ %O2 10095 9935 10137 10,055.667 Moisture, % 13 12.7 13.1 12.933 Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 6 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 3A CO2 3 Average Run Number 4 5 6 Test Date 5/18/2010 5/19/2010 5/19/2010 Run Start Time 12:29:00 PM 6:42:00 AM11:32:00 AM

Run Finish Time 5:07:00 PM 11:00:00 AM 3:44:00 PM

Carbon Dioxide, % 11.5 11.4 11 11.300 Oxygen, % 6.58 6.7 7.06 6.780 Dry Volumetric Flow Rate, dry scfm 638048 631459 633624 634,377.000 F-Factor, dscfm/MMBtu @ %O2 10130 10176 10201 10,169.000 Moisture, % 12.1 12.8 13.1 12.667 Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Location Stack Exit - Method 3A O2 Average Run Number 1 2 3 Test Date 5/18/2010 5/20/2010 5/20/2010 Run Start Time 6:43:00 AM 6:49:00 AM 9:25:00 AM

Run Finish Time 8:59:00 AM 9:01:00 AM11:36:00 AM

Carbon Dioxide, % 11.3 11.3 12 11.533 Oxygen, % 6.68 6.96 6.24 6.627 Dry Volumetric Flow Rate, dry scfm 662506 646871 645873 651,750.000 F-Factor, dscfm/MMBtu @ %O2 10095 9935 10137 10,055.667 Moisture, % 11.9 12.7 13.1 12.567 Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 7 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 3A O2 3 Average Run Number 4 5 6 Test Date 5/18/2010 5/19/2010 5/19/2010 Run Start Time 12:29:00 PM 6:42:00 AM11:32:00 AM

Run Finish Time 5:07:00 PM 11:00:00 AM 3:44:00 PM

Carbon Dioxide, % 11.5 11.4 11 11.300 Oxygen, % 6.58 6.7 7.06 6.780 Dry Volumetric Flow Rate, dry scfm 638048 631459 633624 634,377.000 F-Factor, dscfm/MMBtu @ %O2 10130 10176 10201 10,169.000 Moisture, % 12.1 12.8 13.1 12.667 Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Location Stack Exit - Method 5/OTM-28 Average Run Number 1 2 3 Test Date 5/18/2010 5/19/2010 5/19/2010 Run Start Time 12:29:00 PM 6:42:00 AM11:32:00 AM

Run Finish Time 5:05:00 PM 11:01:00 AM 3:44:00 PM

Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 133.283 134.305 136.431 134.673 Moisture Content of Stack Gas, % 12.68 9.07 12.87 11.540 Moisture Saturation at Stack Gas Temperature, % 12.09 12.26 12.38 12.243 Carbon Dioxide, % 11.5 11.4 11 11.300 Oxygen, % 6.58 6.7 7.06 6.780 Average Stack Gas Temperature, °F 121.79 122.13 122.50 122.140 Dry Volumetric Flow Rate, dry scfm 653,848.7 664,970.3 644,296.7 654,371.900 Actual Wet Volumetric Flue Gas Flow Rate, acfm 819,816.2 810,061.6 815,044.9 814,974.233 Percent Isokinetic of Sampling Rate, % 95.2 94.3 98.9 96.133 F-Factor, dscfm/MMBtu @ %O2 10130 10176 10201 10,169.000 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 8 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010 Emissions Summary


### Location: Stack Exit - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 1.22E-02 2.08E-02 8.30E-03 0.014 ppm 1.13E+01 1.92E+01 7.90E+00 12.800 ppm@7%O2 1.10E+01 1.91E+01 7.49E+00 12.530



### Location: Stack Exit - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 9.76E-04 9.76E-04 9.52E-04 0.001 ppm 5.75E-01 5.73E-01 5.75E-01 0.574 ppm@7%O2 5.62E-01 5.71E-01 5.45E-01 0.559



### Location: Stack Exit - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.418 0.602 0.909 0.643 Elb/hr 3.80E-01 5.61E-01 8.23E-01 0.588 lb/mmBtuO2 1.42E-04 2.12E-04 3.14E-04 0.000 mg/dscm 1.53E-01 2.30E-01 3.39E-01 0.241 mg/dscm@7%O2 1.49E-01 2.23E-01 3.29E-01 0.234 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.348 0.342 0.335 0.342 Elb/hr 3.17E-01 3.19E-01 3.03E-01 0.313 lb/mmBtuO2 1.18E-04 1.21E-04 1.16E-04 0.000 mg/dscm 1.28E-01 1.31E-01 1.25E-01 0.128 mg/dscm@7%O2 1.24E-01 1.27E-01 1.21E-01 0.124



### Location: Stack Exit - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.0002 0.0002 0.000119 0.000 Elb/hr 1.21E-04 1.22E-04 7.24E-05 0.000 lb/mmBtuO2 4.66E-08 4.82E-08 2.94E-08 0.000 mg/dscm 5.05E-05 5.15E-05 3.06E-05 0.000 mg/dscm@7%O2 4.90E-05 5.04E-05 3.07E-05 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.000737 0.000698 0.000871 0.001 Elb/hr 4.45E-04 4.25E-04 5.30E-04 0.000


### Thursday, January 20, 2011 Page 9 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010 lb/mmBtuO2 1.72E-07 1.68E-07 2.15E-07 0.000 mg/dscm 1.86E-04 1.80E-04 2.24E-04 0.000 mg/dscm@7%O2 1.81E-04 1.76E-04 2.25E-04 0.000 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.00005 0.00005 0.00005 0.000 Elb/hr 3.02E-05 3.05E-05 3.04E-05 0.000 lb/mmBtuO2 1.16E-08 1.20E-08 1.23E-08 0.000 mg/dscm 1.26E-05 1.29E-05 1.28E-05 0.000 mg/dscm@7%O2 1.22E-05 1.26E-05 1.29E-05 0.000 

### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.000288 0.000496 0.000266 0.000 Elb/hr 1.74E-04 3.02E-04 1.62E-04 0.000 lb/mmBtuO2 6.71E-08 1.19E-07 6.57E-08 0.000 mg/dscm 7.27E-05 1.28E-04 6.83E-05 0.000 mg/dscm@7%O2 7.06E-05 1.25E-04 6.86E-05 0.000 

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.00311 0.00215 0.00011 0.002 Elb/hr 1.88E-03 1.31E-03 6.69E-05 0.001 lb/mmBtuO2 7.24E-07 5.18E-07 2.72E-08 0.000 mg/dscm 7.85E-04 5.54E-04 2.83E-05 0.000 mg/dscm@7%O2 7.62E-04 5.42E-04 2.84E-05 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.000575 0.000747 0.00097 0.001 Elb/hr 3.47E-04 4.55E-04 5.90E-04 0.000 lb/mmBtuO2 1.34E-07 1.80E-07 2.40E-07 0.000 mg/dscm 1.45E-04 1.92E-04 2.49E-04 0.000 mg/dscm@7%O2 1.41E-04 1.88E-04 2.50E-04 0.000 

### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 38 16.9 46.8 33.900 Elb/hr 2.29E+01 1.03E+01 2.85E+01 20.567 lb/mmBtuO2 8.85E-03 4.07E-03 1.16E-02 0.008 mg/dscm 9.59E+00 4.35E+00 1.20E+01 8.647 mg/dscm@7%O2 9.31E+00 4.26E+00 1.21E+01 8.557 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.00197 0.00054 0.00048 0.001 Elb/hr 1.19E-03 3.29E-04 2.92E-04 0.001


### Thursday, January 20, 2011 Page 10 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010 lb/mmBtuO2 4.59E-07 1.30E-07 1.19E-07 0.000 mg/dscm 4.97E-04 1.39E-04 1.23E-04 0.000 mg/dscm@7%O2 4.82E-04 1.36E-04 1.24E-04 0.000 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.01397 0.00979 0.00282 0.009 Elb/hr 8.43E-03 5.96E-03 1.72E-03 0.005 lb/mmBtuO2 3.25E-06 2.36E-06 6.96E-07 0.000 mg/dscm 3.53E-03 2.52E-03 7.24E-04 0.002 mg/dscm@7%O2 3.43E-03 2.47E-03 7.27E-04 0.002 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.00062 0.00034 0.00171 0.001 Elb/hr 3.74E-04 2.07E-04 1.04E-03 0.001 lb/mmBtuO2 1.44E-07 8.19E-08 4.22E-07 0.000 mg/dscm 1.56E-04 8.76E-05 4.39E-04 0.000 mg/dscm@7%O2 1.51E-04 8.57E-05 4.41E-04 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.0006 0.0006 0.0006 0.001 Elb/hr 3.62E-04 3.65E-04 3.65E-04 0.000 lb/mmBtuO2 1.40E-07 1.45E-07 1.48E-07 0.000 mg/dscm 1.51E-04 1.55E-04 1.54E-04 0.000 mg/dscm@7%O2 1.47E-04 1.52E-04 1.55E-04 0.000



### Location: Stack Exit - Method 5/OTM-28 

### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 223.9 355.3 461.7 346.967 Elb/hr 1.45E+02 2.33E+02 2.88E+02 222.000 lb/mmBtuO2 5.48E-02 8.74E-02 1.15E-01 0.086 mg/dscm 5.93E+01 9.34E+01 1.20E+02 90.900 mg/dscm@7%O2 5.76E+01 9.14E+01 1.21E+02 90.000 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 14.5 18.3 19.6 17.467 Elb/hr 9.41E+00 1.20E+01 1.22E+01 11.203 lb/mmBtuO2 3.55E-03 4.50E-03 4.88E-03 0.004 mg/dscm 3.84E+00 4.81E+00 5.07E+00 4.573 mg/dscm@7%O2 3.73E+00 4.71E+00 5.09E+00 4.510 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3



### Thursday, January 20, 2011 Page 11 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010

Process Run Data Mass_mg 73.7 24.8 2.9 33.800 Elb/hr 4.78E+01 1.62E+01 1.81E+00 21.937 lb/mmBtuO2 1.80E-02 6.10E-03 7.22E-04 0.008 mg/dscm 1.95E+01 6.52E+00 7.51E-01 8.924 mg/dscm@7%O2 1.89E+01 6.38E+00 7.54E-01 8.678 

### Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 312.2 398.4 484.2 398.267 Elb/hr 2.03E+02 2.61E+02 3.02E+02 255.333 lb/mmBtuO2 7.63E-02 9.79E-02 1.21E-01 0.098 mg/dscm 8.27E+01 1.05E+02 1.25E+02 104.233 mg/dscm@7%O2 8.03E+01 1.03E+02 1.26E+02 103.100



### Thursday, January 20, 2011 Page 12 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010 Process Run Data



### Run Name Value UOM Comments Target Value 1 Heat Input 2318Million Btus/hr 2250


### 2 Heat Input 2171Million Btus/hr 2250
3 Heat Input 2110Million Btus/hr 2250
1 Steam Output 12221000 lb steam/hr 1200


### 2 Steam Output 10481000 lb steam/hr 1200
3 Steam Output 11171000 lb steam/hr 1200
1 Petroleum Coke Firing Rate 5.37 tons/day 550


### 2 Petroleum Coke Firing Rate 502 tons/day 550
3 Petroleum Coke Firing Rate 466 tons/day 550
1 Flue Gas Flow Rate 688842 scfm 680000


### 1 FGD Scrubber Liquor pH A 6.74 pH 6.6
1 FGD Scrubber Liquor Flow Rate 739 gal/min 46000
1 Flue Gas Oxygen Content 3.22 % 3.7


### 1 Flue Gas Carbon Dioxide Content 10 % 10
1 Flue Gas Sampling Point Temperature 114.8 Deg F 115
1 Flue Gas Pressure 29.3 in.Hg 29.3


### 1 Unit Gross Electrical Output 5509 MW 5200
1 Unit Net Electric Generation 5061 MWh 5000
1 FGD Scrubber Liquor pH B 6.76 pH 6.6


### 2 Flue Gas Flow Rate 658575 scfm 680000
2 FGD Scrubber Liquor pH A 6.78 pH 6.6
2 FGD Scrubber Liquor Flow Rate 787 gal/min 46000


### 2 Flue Gas Oxygen Content 3.4 % 3.7
2 Flue Gas Carbon Dioxide Content 9.8 % 10


### 2 Flue Gas Sampling Point Temperature 115 Deg F 115
2 Flue Gas Pressure 29.21 in.Hg 29.3
2 Unit Gross Electrical Output 5228 MW 5200


### 2 Unit Net Electric Generation 4787 MWh 5000
2 FGD Scrubber Liquor pH B 6.74 pH 6.6 3 Flue Gas Flow Rate 647504 scfm 680000 

### 3 FGD Scrubber Liquor pH A 6.68 pH 6.6 3 FGD Scrubber Liquor Flow Rate 793 gal/min 46000
3 Flue Gas Oxygen Content 3.52 % 3.7



### Thursday, January 20, 2011 Page 13 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010

APCD Run Data

Process Lab Run Data 3 Flue Gas Carbon Dioxide Content 9.8 % 10 

### 3 Flue Gas Sampling Point Temperature 112.6 Deg F 115
3 Flue Gas Pressure 29.2 in.Hg 29.3 3 Unit Gross Electrical Output 5095 MW 5200 

### 3 Unit Net Electric Generation 4660 MWh 5000
3 FGD Scrubber Liquor pH B 6.54 pH 6.6
4 Heat Input 2081Million Btus/hr 2250


### 4 Steam Output 10451000 lb steam/hr 1200
4 Petroleum Coke Firing Rate 474 tons/day 550
4 Flue Gas Flow Rate 0 scfm 680000


### 4 FGD Scrubber Liquor pH A 6.68 pH 6.6
4 FGD Scrubber Liquor Flow Rate 782 gal/min 46000
4 Flue Gas Oxygen Content 3.77 % 3.7


### 4 Flue Gas Carbon Dioxide Content 9.6 % 10
4 Flue Gas Sampling Point Temperature 112.4 Deg F 115
4 Flue Gas Pressure 29.25 in.Hg 29.3


### 4 Unit Gross Electrical Output 4896 MW 5200
4 Unit Net Electric Generation 4464 MWh 5000
4 FGD Scrubber Liquor pH B 6.69 pH 6.6

Run Name Value UOM Comments Target Value 1 LOW NOX BURNERS 0 0
1 ELECTROSTATIC PRECIPITATOR 0 0

Run Name Value UOM Comments 

### 1 See 4b Comments. 0

Thursday, January 20, 2011 Page 14 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010 Sampling / Stack Data Results Detail


### Location Stack Exit - Method 10 Average Run Number 1 2 3 Test Date 5/18/2010 5/20/2010 5/20/2010 Run Start Time 6:43:00 AM6:49:00 AM 9:25:00 AM Run Finish Time 8:59:00 AM9:01:00 AM11:36:00 AM Carbon Dioxide, % 11.3 11.3 12 11.533 Oxygen, % 6.68 6.96 6.24 6.627 Fuel Factor 1.26 1.23 1.22 Dry Volumetric Flow Rate, dry scfm 662506 646871 645873651,750.000 F-Factor, dscfm/MMBtu @ %O2 10095 9935 1013710,055.667 Moisture, % 13 12.7 13.1 12.933 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 1000 1000 1000 1,000.000 Operating Units ppm ppm ppm No. Readings/Avg. 60 60 60 60.000 Calibration Set 10 11 11 10.667 Calibration Pre Zero Cylinder ID Zero Zero Zero Calibration Pre Zero Cylinder Instrument Response 0 -0.1 0.2 0.033 Calibration Pre Zero Cylinder Bias -0.89 -0.78 -0.44 -0.703 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC274988-CO CC274988- CO CC274988-

CO Calibration Pre High Cylinder Instrument Response 50.1 49.9 50.2 50.067 Calibration Pre High Cylinder Bias -0.55 -0.67 -0.33 -0.517 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID Zero Zero Zero Calibration Post Zero Cylinder Instrument Response 0.1 0.2 0 0.100 Calibration Post Zero Cylinder Bias -0.78 -0.44 -0.67 -0.630 Calibration Post Zero Cylinder Drift 0.11 0.34 0.23 0.227 Calibration Post High Cylinder ID CC274988-CO CC274988- CO CC274988-

CO Calibration Post High Cylinder Instrument Response 50.1 50.2 50 50.100 Calibration Post High Cylinder Bias -0.55 -0.33 -0.55 -0.477 Calibration Post High Cylinder Drift 0 0.34 0.22 0.187 Cavg 11.3 19.1 7.95 12.783 Cavg Units ppmvd ppmvd ppmvd Cgas 11.3152 19.1795 7.9034 12.799 Cgas Units ppmvd ppmvd ppmvd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Thursday, January 20, 2011 Page 15 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 25A Average Run Number 1 2 3 Test Date 5/18/2010 5/20/2010 5/20/2010 Run Start Time 6:43:00 AM6:49:00 AM 9:25:00 AM Run Finish Time 8:59:00 AM9:01:00 AM11:36:00 AM Carbon Dioxide, % 11.3 11.3 12 11.533 Oxygen, % 6.68 6.96 6.24 6.627 Fuel Factor 1.26 1.23 1.22 Dry Volumetric Flow Rate, dry scfm 662506 646871 645873651,750.000 F-Factor, dscfm/MMBtu @ %O2 10095 9935 1013710,055.667 Moisture, % 13 12.7 13.1 12.933 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 1000 1000 1000 1,000.000 Operating Units ppm ppm ppm No. Readings/Avg. 60 60 60 60.000 Calibration Set 251 252 252 251.667 Calibration Pre Zero Cylinder ID Zero Zero Zero Calibration Pre Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Pre Zero Cylinder Bias 0 0 0 0.000 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC52841- Propane CC52841-

Propane CC52841-

Propane Calibration Pre High Cylinder Instrument Response 49.54 49.54 49.54 49.540 Calibration Pre High Cylinder Bias 0 0 0 0.000 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID Zero Zero Zero Calibration Post Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Post Zero Cylinder Bias 0 0 0 0.000 Calibration Post Zero Cylinder Drift 0 0 0 0.000 Calibration Post High Cylinder ID CC52841- Propane CC52841-

Propane CC52841-

Propane Calibration Post High Cylinder Instrument Response 49.54 49.54 49.54 49.540 Calibration Post High Cylinder Bias 0 0 0 0.000 Calibration Post High Cylinder Drift 0 0 0 0.000 Cavg 0.5 0.5 0.5 0.500 Cavg Units ppmvw ppmvw ppmvw Cgas 0.5747 0.5727 0.5754 0.574 Cgas Units ppmvd ppmvd ppmvd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0.5 0.5 0.5 0.500 Cgasw Units ppmvw ppmvw ppmvw



### Thursday, January 20, 2011 Page 16 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 26A Average Run Number 1 2 3 Test Date 5/17/2010 5/17/2010 5/17/2010 Run Start Time 6:58:00 AM10:15:00 AM 1:43:00 PM Run Finish Time 10:08:00 AM 1:27:00 PM 4:52:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 180 180 180 Nozzle Diameter, inches 0.165 0.165 0.165 0.165 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9944 0.9944 0.9944 0.994 Barometric Pressure, inches of Mercury 29.75 29.75 29.75 29.750 Average Orifice Meter Differential, inches H2O 1.04 0.92 0.97 0.977 Dry Gas Meter Volume Sampled, cubic feet 99.760 96.360 99.510 98.543 Average Dry Gas Meter Temperature, °F 82.29 85.33 89.58 85.733 Dry Gas Meter Volume Sampled, dscf 96.285 92.458 94.754 94.499 Total Moisture Liquid collected, g 337.5 328.6 317 327.700 Volume of Water Vapor, standard cubic feet 15.89 15.47 14.92 15.427 Moisture Content of Stack Gas, % 14.17 14.33 13.60 14.033 Moisture Saturation at Stack Gas Temperature, % 12.72 12.92 12.15 12.597 Dry Mole Fraction 0.8728 0.8708 0.8785 0.874 Carbon Dioxide, % 11.5 11.5 11.5 11.500 Oxygen, % 6.58 6.58 6.58 6.580 Carbon Monoxide & Nitrogen, % 81.92 81.92 81.92 81.920 Fuel Factor 1.25 1.25 1.25 Dry Molecular Weight, lb/lb-Mole 30.10 30.10 30.10 30.100 Wet Molecular weight, lb/lb-Mole 28.82 28.79 28.89 28.833 Flue Gas Static Pressure, inches of H2O -0.3 -0.3 -0.3 -0.300 Absolute Flue Gas Pressure, inches of Mercury 29.73 29.73 29.73 29.730 Average Stack Gas Temperature, °F 123.42 124.00 121.75 123.057 Average Velocity Head, inches of H2O 1.8036808431 95731.753626077

926841.704432717

49972 1.754
Average Stack Gas Velocity, feet/second 79.58 78.55 77.16 78.430 Stack Cross-Sectional Area, square feet 176.715 176.715 176.715 176.715 Dry Volumetric Flow Rate, dry scfm 662,261.1 651,543.9 648,170.9653,991.967 Actual Wet Volumetric Flue Gas Flow Rate, acfm 843,778.8 832,857.8 818,119.8831,585.467 Percent Isokinetic of Sampling Rate, % 96.1 93.8 96.7 95.533 Percent Excess Air, % 43.7 43.7 43.7 43.700 F-Factor, dscfm/MMBtu @ %O2 10158 10132 1016810,152.667 Round Duct Diameter, inches 180 180 180 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 17 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 29 Average Run Number 1 2 3 Test Date 5/18/2010 5/19/2010 5/19/2010 Run Start Time 12:29:00 PM6:42:00 AM11:32:00 AM Run Finish Time 5:05:00 PM11:01:00 AM 3:44:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.17 0.17 0.17 0.170 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.0078 1.0078 1.0078 1.008 Barometric Pressure, inches of Mercury 29.93 29.8 29.8 29.843 Average Orifice Meter Differential, inches H2O 1.13 1.10 1.13 1.120 Dry Gas Meter Volume Sampled, cubic feet 143.110 139.850 141.820 141.593 Average Dry Gas Meter Temperature, °F 85.81 82.19 88.08 85.360 Dry Gas Meter Volume Sampled, dscf 139.954 137.073 137.520 138.182 Total Moisture Liquid collected, g 407.9 427.2 439.3 424.800 Volume of Water Vapor, standard cubic feet 19.20 20.11 20.68 19.997 Moisture Content of Stack Gas, % 12.06 12.79 13.07 12.640 Moisture Saturation at Stack Gas Temperature, % 12.50 12.55 12.55 12.533 Dry Mole Fraction 0.8794 0.8745 0.8745 0.876 Carbon Dioxide, % 11.5 11.4 11 11.300 Oxygen, % 6.58 6.7 7.06 6.780 Carbon Monoxide & Nitrogen, % 81.92 81.9 81.94 81.920 Fuel Factor 1.25 1.25 1.26 Dry Molecular Weight, lb/lb-Mole 30.10 30.09 30.04 30.077 Wet Molecular weight, lb/lb-Mole 28.64 28.62 28.62 28.627 Flue Gas Static Pressure, inches of H2O -0.3 -0.3 -0.3 -0.300 Absolute Flue Gas Pressure, inches of Mercury 29.91 29.78 29.78 29.823 Average Stack Gas Temperature, °F 123.00 123.00 123.00 123.000 Average Velocity Head, inches of H2O 1.6288265995 88491.616582839

17691.624597660

62001 1.623
Average Stack Gas Velocity, feet/second 75.61 75.51 75.70 75.607 Stack Cross-Sectional Area, square feet 176.715 176.715 176.715 176.715 Dry Volumetric Flow Rate, dry scfm 638,279.0 631,128.0 632,716.0634,041.000 Actual Wet Volumetric Flue Gas Flow Rate, acfm 801,685.3 800,625.0 802,639.5801,649.933 Percent Isokinetic of Sampling Rate, % 102.4 101.5 101.5 101.800 Percent Excess Air, % 43.7 44.9 48.4 45.667 F-Factor, dscfm/MMBtu @ %O2 10130 10176 1020110,169.000 Round Duct Diameter, inches 180 180 180 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 18 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 3A CO2 Average Run Number 1 2 3 Test Date 5/18/2010 5/20/2010 5/20/2010 Run Start Time 6:43:00 AM6:49:00 AM 9:25:00 AM Run Finish Time 8:59:00 AM9:01:00 AM11:36:00 AM Carbon Dioxide, % 11.3 11.3 12 11.533 Oxygen, % 6.68 6.96 6.24 6.627 Fuel Factor 1.26 1.23 1.22 Dry Volumetric Flow Rate, dry scfm 662506 646871 645873651,750.000 F-Factor, dscfm/MMBtu @ %O2 10095 9935 1013710,055.667 Moisture, % 13 12.7 13.1 12.933 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 25 25 25 25.000 Operating Units % % % No. Readings/Avg. 60 60 60 60.000 Calibration Set 30 31 31 30.667 Calibration Pre Zero Cylinder ID Zero Zero Zero Calibration Pre Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Pre Zero Cylinder Bias 0 0.72 0 0.240 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC17823-CO2 CC17823- CO2 CC17823-

CO2 Calibration Pre High Cylinder Instrument Response 14 14 14 14.000 Calibration Pre High Cylinder Bias 0 1.44 1.44 0.960 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID Zero Zero Zero Calibration Post Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Post Zero Cylinder Bias 0 0.72 0.72 0.480 Calibration Post Zero Cylinder Drift 0 0 0.72 0.240 Calibration Post High Cylinder ID CC17823-CO2 CC17823- CO2 CC17823-

CO2 Calibration Post High Cylinder Instrument Response 14 14 14 14.000 Calibration Post High Cylinder Bias 0 1.44 1.44 0.960 Calibration Post High Cylinder Drift 0 0 0 0.000 Cavg 11.4 11.4 12.1 11.633 Cavg Units %vd %vd %vd Cgas 11.2941 11.2941 11.9876 11.525 Cgas Units %vd %vd %vd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Thursday, January 20, 2011 Page 19 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 3A CO2 3 Average Run Number 4 5 6 Test Date 5/18/2010 5/19/2010 5/19/2010 Run Start Time 12:29:00 PM6:42:00 AM11:32:00 AM Run Finish Time 5:07:00 PM11:00:00 AM 3:44:00 PM Carbon Dioxide, % 11.5 11.4 11 11.300 Oxygen, % 6.58 6.7 7.06 6.780 Fuel Factor 1.25 1.25 1.26 Dry Volumetric Flow Rate, dry scfm 638048 631459 633624634,377.000 F-Factor, dscfm/MMBtu @ %O2 10130 10176 1020110,169.000 Moisture, % 12.1 12.8 13.1 12.667 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 25 0 25 16.667 Operating Units % % No. Readings/Avg. 60 0 60 40.000 Calibration Set 30 32 32 31.333 Calibration Pre Zero Cylinder ID Zero Zero Zero Calibration Pre Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Pre Zero Cylinder Bias 0 0 0 0.000 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC17823-CO2 CC17823- CO2 CC17823-

CO2 Calibration Pre High Cylinder Instrument Response 14 14 14 14.000 Calibration Pre High Cylinder Bias 0 0 0 0.000 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID Zero Zero Zero Calibration Post Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Post Zero Cylinder Bias 0 0 0 0.000 Calibration Post Zero Cylinder Drift 0 0 0 0.000 Calibration Post High Cylinder ID CC17823-CO2 CC17823- CO2 CC17823-

CO2 Calibration Post High Cylinder Instrument Response 14 14 14 14.000 Calibration Post High Cylinder Bias 0 0 0 0.000 Calibration Post High Cylinder Drift 0 0 0 0.000 Cavg 11.6 11.5 11.1 11.400 Cavg Units %vd %vd %vd Cgas 11.4923 11.3932 10.9969 11.294 Cgas Units %vd %vd %vd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Thursday, January 20, 2011 Page 20 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 3A O2 Average Run Number 1 2 3 Test Date 5/18/2010 5/20/2010 5/20/2010 Run Start Time 6:43:00 AM6:49:00 AM 9:25:00 AM Run Finish Time 8:59:00 AM9:01:00 AM11:36:00 AM Carbon Dioxide, % 11.3 11.3 12 11.533 Oxygen, % 6.68 6.96 6.24 6.627 Fuel Factor 1.26 1.23 1.22 Dry Volumetric Flow Rate, dry scfm 662506 646871 645873651,750.000 F-Factor, dscfm/MMBtu @ %O2 10095 9935 1013710,055.667 Moisture, % 11.9 12.7 13.1 12.567 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 25 25 25 25.000 Operating Units % % % No. Readings/Avg. 60 60 60 60.000 Calibration Set 39 38 38 38.333 Calibration Pre Zero Cylinder ID Zero Zero Zero Calibration Pre Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Pre Zero Cylinder Bias 0 0 0 0.000 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC17823-O2CC17823-O2CC17823-O2 Calibration Pre High Cylinder Instrument Response 7 6.98 6.96 6.980 Calibration Pre High Cylinder Bias -0.07 -0.07 -0.21 -0.117 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID Zero Zero Zero Calibration Post Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Post Zero Cylinder Bias 0 0 0 0.000 Calibration Post Zero Cylinder Drift 0 0 0 0.000 Calibration Post High Cylinder ID CC17823-O2CC17823-O2CC17823-O2 Calibration Post High Cylinder Instrument Response 7 6.95 7 6.983 Calibration Post High Cylinder Bias -0.07 -0.29 0.07 -0.097 Calibration Post High Cylinder Drift 0 0.22 0.28 0.167 Cavg 6.68 6.94 6.22 6.613 Cavg Units %vd %vd %vd Cgas 6.6781 6.9729 6.236 6.629 Cgas Units %vd %vd %vd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Thursday, January 20, 2011 Page 21 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 3A O2 3 Average Run Number 4 5 6 Test Date 5/18/2010 5/19/2010 5/19/2010 Run Start Time 12:29:00 PM6:42:00 AM11:32:00 AM Run Finish Time 5:07:00 PM11:00:00 AM 3:44:00 PM Carbon Dioxide, % 11.5 11.4 11 11.300 Oxygen, % 6.58 6.7 7.06 6.780 Fuel Factor 1.25 1.25 1.26 Dry Volumetric Flow Rate, dry scfm 638048 631459 633624634,377.000 F-Factor, dscfm/MMBtu @ %O2 10130 10176 1020110,169.000 Moisture, % 12.1 12.8 13.1 12.667 Analyzer Make Analyzer Model Analyzer Serial Number Operating Range 25 25 25 25.000 Operating Units % % % No. Readings/Avg. 60 60 60 60.000 Calibration Set 39 37 37 37.667 Calibration Pre Zero Cylinder ID Zero Zero Zero Calibration Pre Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Pre Zero Cylinder Bias 0 0 0 0.000 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC17823-O2CC17823-O2CC17823-O2 Calibration Pre High Cylinder Instrument Response 7 6.99 6.99 6.993 Calibration Pre High Cylinder Bias -0.07 0 0 -0.023 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID Zero Zero Zero Calibration Post Zero Cylinder Instrument Response 0.2 0 0 0.067 Calibration Post Zero Cylinder Bias 1.43 0 0 0.477 Calibration Post Zero Cylinder Drift 1.43 0 0 0.477 Calibration Post High Cylinder ID CC17823-O2CC17823-O2CC17823-O2 Calibration Post High Cylinder Instrument Response 7 6.99 6.99 6.993 Calibration Post High Cylinder Bias -0.07 0 0 -0.023 Calibration Post High Cylinder Drift 0 0 0 0.000 Cavg 6.58 6.7 7.05 6.777 Cavg Units %vd %vd %vd Cgas 6.572 6.7077 7.0581 6.779 Cgas Units %vd %vd %vd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Thursday, January 20, 2011 Page 22 of 23

### 3236C Big Rivers Green Unit 2
8/26/2010
Location Stack Exit - Method 5/OTM-28 Average Run Number 1 2 3 Test Date 5/18/2010 5/19/2010 5/19/2010 Run Start Time 12:29:00 PM6:42:00 AM11:32:00 AM Run Finish Time 5:05:00 PM11:01:00 AM 3:44:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.17 0.17 0.17 0.170 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.9944 0.9944 0.9944 0.994 Barometric Pressure, inches of Mercury 29.93 29.8 29.8 29.843 Average Orifice Meter Differential, inches H2O 1.11 1.09 1.12 1.107 Dry Gas Meter Volume Sampled, cubic feet 137.400 138.720 142.120 139.413 Average Dry Gas Meter Temperature, °F 82.92 81.58 86.25 83.583 Dry Gas Meter Volume Sampled, dscf 133.283 134.305 136.431 134.673 Total Moisture Liquid collected, g 411 284.7 428.2 374.633 Volume of Water Vapor, standard cubic feet 19.35 13.40 20.16 17.637 Moisture Content of Stack Gas, % 12.68 9.07 12.87 11.540 Moisture Saturation at Stack Gas Temperature, % 12.09 12.26 12.38 12.243 Dry Mole Fraction 0.8791 0.9093 0.8762 0.888 Carbon Dioxide, % 11.5 11.4 11 11.300 Oxygen, % 6.58 6.7 7.06 6.780 Carbon Monoxide & Nitrogen, % 81.92 81.9 81.94 81.920 Fuel Factor 1.25 1.25 1.26 Dry Molecular Weight, lb/lb-Mole 30.10 30.09 30.04 30.077 Wet Molecular weight, lb/lb-Mole 28.74 28.99 28.64 28.790 Flue Gas Static Pressure, inches of H2O -0.3 -0.3 -0.3 -0.300 Absolute Flue Gas Pressure, inches of Mercury 29.91 29.78 29.78 29.823 Average Stack Gas Temperature, °F 121.79 122.13 122.50 122.140 Average Velocity Head, inches of H2O 1.7126823569 11731.678720170

019981.677642072

46843 1.690
Average Stack Gas Velocity, feet/second 77.32 76.40 76.87 76.863 Stack Cross-Sectional Area, square feet 176.715 176.715 176.715 176.715 Dry Volumetric Flow Rate, dry scfm 653,848.7 664,970.3 644,296.7654,371.900 Actual Wet Volumetric Flue Gas Flow Rate, acfm 819,816.2 810,061.6 815,044.9814,974.233 Percent Isokinetic of Sampling Rate, % 95.2 94.3 98.9 96.133 Percent Excess Air, % 43.7 44.9 48.4 45.667 F-Factor, dscfm/MMBtu @ %O2 10130 10176 1020110,169.000 Round Duct Diameter, inches 180 180 180 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 23 of 23