### Name: Mr. Bryan Lorence

Title: Environmental Coordinator Company: GE International, Inc. Sign Date: Name: Mr. Jeremy Miller Title: Lead Field Engineer Company:GE International, Inc. Sign Date: 8/31/2010 Permitted Facility Representative / Date Testing Company Representative / Date 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 22

### Facility Information:

Nebraska City Station
4500 West Pella Road

Nebraska City NE68368 Contact:Mr. Bryan Lorence Phone:402-636-2517 Fax: 402-636-3991 Email: balorence@oppd.com Testing Company: GE International, Inc.
888 Industrial Drive

Elmhurst IL60126 Contact:Mr. Jeremy Miller Phone:219-838-6082 Fax: 219-838-6083 Email:jeremy1.miller@ge.com

Air Permit Number: Permitted Source ID/Name: Nebraska City Station 6096 Permitted Maximum Process Rate:Max. Normal Operation Process Rate: Target Process Test Rate

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Industry/SCC/NAIS

Sampling Location Information:

Test Parameter Information: AFS #:3113100036 FRS #:110000606489

SCC / Description

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 Unit 2 Stack 276 0 0 4 0 12 0 0 Unit 2 Stack (A) 276 0 0 4 0 12 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Formaldehyde Method 0011 3 120 0 Unit 2 Stack (A) Antimony Method 29 3 240 0 Unit 2 Stack (A) Nickel Method 29 3 240 0 Unit 2 Stack (A)



### Monday, February 14, 2011 Page 2 of 22

### 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.

Manganese Method 29 3 240 0 Unit 2 Stack (A) Cobalt Method 29 3 240 0 Unit 2 Stack (A) Chromium Method 29 3 240 0 Unit 2 Stack (A) Cadmium Method 29 3 240 0 Unit 2 Stack (A) Arsenic Method 29 3 240 0 Unit 2 Stack (A) Selenium Method 29 3 240 0 Unit 2 Stack (A) Beryllium Method 29 3 240 0 Unit 2 Stack (A) Lead Method 29 3 240 0 Unit 2 Stack (A) Co2 Method 3A CO2 3 400 0 Unit 2 Stack (A) O2 Method 3A O2 3 400 0 Unit 2 Stack (A) Filterable Particulate Method 5 3 240 0 Unit 2 Stack (A) Carbon Monoxide Method 10 3 140 0 Unit 2 Stack Total organic compounds

(TOC) as Propane Method 25A 3 140 0 Unit 2 Stack
Hydrogen Chloride Method 26A 3 60 0 Unit 2 Stack Hydrogen Fluoride Method 26A 3 60 0 Unit 2 Stack Total Particulate OTM - 27/28 3 370 0 Unit 2 Stack Organic Condensible

Particulate OTM - 27/28 3 370 0 Unit 2 Stack
Inorganic (Aqueous)

Condensible Part. OTM - 27/28 3 370 0 Unit 2 Stack

Total PM2.5 OTM - 27/28 3 370 0 Unit 2 Stack Filterable Particulate OTM - 27/28 3 370 0 Unit 2 Stack Filterable PM2.5 OTM - 27/28 3 370 0 Unit 2 Stack Co2 Method 3A CO2 3 400 0 Unit 2 Stack O2 Method 3A O2 3 400 0 Unit 2 Stack



### Monday, February 14, 2011 Page 3 of 22

### Sampling / Stack Data Results Summary



### Location Unit 2 Stack - Method 10 Average Run Number 1 2 3
Test Date 7/21/2010 7/21/2010 7/21/2010 Run Start Time 8:00:00 AM 10:55:00 AM 1:45:00 PM

Run Finish Time 10:11:00 AM1:06:00 PM 3:57:00 PM Carbon Dioxide, % 14.92 14.94 15.07 14.977 Oxygen, % 5.2 5.19 5.06 5.150 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 10754 10754 10754 10,754.000 Moisture, % 0 0 0 0.000 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 1800 0 1420 1,073.333



### Location Unit 2 Stack - Method 25A Average Run Number 1 2 3
Test Date 7/21/2010 7/21/2010 7/21/2010 Run Start Time 8:00:00 AM 10:55:00 AM 1:45:00 PM

Run Finish Time 10:11:00 AM1:06:00 PM 3:57:00 PM Carbon Dioxide, % 14.9 14.9 15.1 14.967 Oxygen, % 5.2 5.2 5.1 5.167 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 10754 10754 10754 10,754.000 Moisture, % 16.4 16.6 16.4 16.467 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Monday, February 14, 2011 Page 4 of 22

### Location Unit 2 Stack - Method 26A Average

Run Number 1 2 3
Test Date 7/17/2010 7/17/2010 7/17/2010 Run Start Time 8:55:00 AM 10:35:00 AM12:35:00 PM

Run Finish Time 10:04:00 AM 11:44:00 AM 1:51:00 PM

Net Run Time, minutes 60 60 60 Dry Gas Meter Volume Sampled, dscf 41.277 41.306 41.325 41.303 Moisture Content of Stack Gas, % 16.89 17.81 15.31 16.670 Moisture Saturation at Stack Gas Temperature, % 62.75 61.45 61.38 61.860 Carbon Dioxide, % 14.9 15 14.9 14.933 Oxygen, % 5.1 5.1 5.2 5.133 Average Stack Gas Temperature, °F 187.58 186.58 186.42 186.860 Dry Volumetric Flow Rate, dry scfm 1,392,858.41,380,375.0 1,416,274.21,396,502.53 3 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,141,363.32,144,105.4 2,139,618.32,141,695.66 7 Percent Isokinetic of Sampling Rate, % 102.1 103.1 100.5 101.900 F-Factor, dscfm/MMBtu @ %O2 10774 10664 10800 10,746.000
Fw 0 0 0 0.000
Fc 1826 1800 1806 1,810.667



### Monday, February 14, 2011 Page 5 of 22

### Location Unit 2 Stack - OTM - 27/28 Average

Run Number 1 2 3
Test Date 7/14/2010 7/15/2010 7/16/2010 Run Start Time 8:55:00 AM 9:37:00 AM 7:35:00 AM

Run Finish Time 3:36:15 PM4:04:00 PM 2:11:45 PM Net Run Time, minutes 379.25 363 363.75 Dry Gas Meter Volume Sampled, dscf 135.186 120.060 119.319 124.855 Moisture Content of Stack Gas, % 16.22 16.18 16.96 16.453 Moisture Saturation at Stack Gas Temperature, % 62.16 61.62 61.62 61.800 Carbon Dioxide, % 14.8 14.9 15 14.900 Oxygen, % 5.1 5.2 5 5.100 Average Stack Gas Temperature, °F 187.00 187.08 186.58 186.887 Dry Volumetric Flow Rate, dry scfm 1,457,207.91,480,581.6 1,464,659.1 1,467,482.86 7 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,227,366.82,238,834.0 2,258,029.02,241,409.93 3 Percent Isokinetic of Sampling Rate, % 103.8 108.9 109.2 107.300 F-Factor, dscfm/MMBtu @ %O2 10636 10808 10654 10,699.333
Fw 0 0 0 0.000
Fc 1811 1810 1794 1,805.000



### Monday, February 14, 2011 Page 6 of 22

### Location Unit 2 Stack (A) - Method 0011 Average

Run Number 1 2 3
Test Date 7/21/2010 7/21/2010 7/21/2010 Run Start Time 8:00:00 AM 10:55:00 AM 1:45:00 PM

Run Finish Time 10:11:00 AM1:06:00 PM 3:57:00 PM Net Run Time, minutes 120 120 120 Dry Gas Meter Volume Sampled, dscf 80.629 80.663 80.172 80.488 Moisture Content of Stack Gas, % 16.39 16.60 16.44 16.477 Moisture Saturation at Stack Gas Temperature, % 62.30 59.03 59.23 60.187 Carbon Dioxide, % 14.9 14.9 15.1 14.967 Oxygen, % 5.2 5.2 5.1 5.167 Average Stack Gas Temperature, °F 187.33 184.83 184.88 185.680 Dry Volumetric Flow Rate, dry scfm 1,366,784.71,363,089.0 1,357,858.91,362,577.53 3 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,084,276.92,076,549.0 2,069,818.32,076,881.40 0 Percent Isokinetic of Sampling Rate, % 101.6 101.9 101.7 101.733 F-Factor, dscfm/MMBtu @ %O2 10793 10658 10811 10,754.000
Fw 0 0 0 0.000
Fc 1794 1786 1794 1,791.333



### Monday, February 14, 2011 Page 7 of 22

### Location Unit 2 Stack (A) - Method 29 Average

Run Number 1 2 3
Test Date 7/14/2010 7/15/2010 7/16/2010 Run Start Time 9:30:00 AM 9:38:00 AM 9:55:00 AM

Run Finish Time 2:05:00 PM2:35:00 PM 2:04:00 PM Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 158.047 154.703 152.395 155.048 Moisture Content of Stack Gas, % 16.39 16.71 17.61 16.903 Moisture Saturation at Stack Gas Temperature, % 64.23 62.51 63.26 63.333 Carbon Dioxide, % 14.8 14.8 15 14.867 Oxygen, % 5.1 5.2 5 5.100 Average Stack Gas Temperature, °F 188.50 187.85 187.81 188.053 Dry Volumetric Flow Rate, dry scfm 1,372,464.21,384,458.1 1,360,598.51,372,506.93 3 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,107,709.72,104,219.7 2,117,431.92,109,787.10 0 Percent Isokinetic of Sampling Rate, % 105.6 102.5 102.8 103.633 F-Factor, dscfm/MMBtu @ %O2 10636 10808 10654 10,699.333
Fw 0 0 0 0.000
Fc 1811 1810 1794 1,805.000



### Monday, February 14, 2011 Page 8 of 22

### Location Unit 2 Stack (A) - Method 5 Average

Run Number 1 2 3
Test Date 7/14/2010 7/15/2010 7/16/2010 Run Start Time 9:30:00 AM 9:38:00 AM 9:55:00 AM

Run Finish Time 2:05:00 PM2:35:00 PM 2:04:00 PM Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 158.047 154.703 152.395 155.048 Moisture Content of Stack Gas, % 16.39 16.71 17.61 16.903 Moisture Saturation at Stack Gas Temperature, % 64.23 62.51 63.26 63.333 Carbon Dioxide, % 14.8 14.8 15 14.867 Oxygen, % 5.1 5.2 5 5.100 Average Stack Gas Temperature, °F 188.50 187.85 187.81 188.053 Dry Volumetric Flow Rate, dry scfm 1,372,464.21,384,458.1 1,360,598.51,372,506.93 3 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,107,709.72,104,219.7 2,117,431.92,109,787.10 0 Percent Isokinetic of Sampling Rate, % 105.6 102.5 102.8 103.633 F-Factor, dscfm/MMBtu @ %O2 10636 10808 10654 10,699.333
Fw 0 0 0 0.000
Fc 1811 1810 1794 1,805.000



### Monday, February 14, 2011 Page 9 of 22

### Emissions Summary



### Location: Unit 2 Stack - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 2.21E-02 2.35E-02 1.81E-02 0.021 ppm 2.13E+01 2.26E+01 1.75E+01 20.467 ppm@7%O2 1.89E+01 2.00E+01 1.54E+01 18.100



### Location: Unit 2 Stack - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 4.29E-03 3.07E-03 3.42E-03 0.004 ppm 2.62E+00 1.88E+00 2.10E+00 2.200 ppm@7%O2 2.32E+00 1.66E+00 1.85E+00 1.943



### Location: Unit 2 Stack - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.69 0.2 0.2 0.363 lb/mmBtuO2 5.25E-04 1.51E-04 1.53E-04 0.000 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.2 0.2 0.2 0.200 lb/mmBtuO2 1.52E-04 1.51E-04 1.53E-04 0.000



### Location: Unit 2 Stack - OTM - 27/28 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 30.7 31.4 33.8 31.967 lb/mmBtuO2 7.04E-03 8.30E-03 8.75E-03 0.008 

### Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 8.1 10.7 6.3 8.367 lb/mmBtuO2 1.86E-03 2.83E-03 1.63E-03 0.002 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 59.82 61.42 56.62 59.287 lb/mmBtuO2 1.37E-02 1.62E-02 1.47E-02 0.015



### Monday, February 14, 2011 Page 10 of 22

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 1.78 0.78 0.68 1.080 lb/mmBtuO2 4.08E-04 2.06E-04 1.76E-04 0.000 

### Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 92.3 93.6 91.1 92.333 lb/mmBtuO2 2.12E-02 2.47E-02 2.36E-02 0.023 

### Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 69.7 72.9 63.6 68.733 lb/mmBtuO2 1.60E-02 1.93E-02 1.65E-02 0.017



### Location: Unit 2 Stack (A) - Method 0011 Compound: Formaldehyde Average RunNumber 1 2 3 Mass_mg 0.006 0.011 0.008 0.008 lb/mmBtuO2 2.36E-06 4.27E-06 3.15E-06 0.000



### Location: Unit 2 Stack (A) - Method 29 

### Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.0018 0.0018 0.0018 0.002 lb/mmBtuO2 3.53E-07 3.69E-07 3.65E-07 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00197 0.00221 0.00251 0.002 lb/mmBtuO2 3.87E-07 4.53E-07 5.09E-07 0.000 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.00045 0.00045 0.00045 0.000 lb/mmBtuO2 8.83E-08 9.23E-08 9.12E-08 0.000 

### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.00045 0.00061 0.00045 0.001 lb/mmBtuO2 8.83E-08 1.25E-07 9.12E-08 0.000 

### Compound: Chromium Average



### Monday, February 14, 2011 Page 11 of 22

### Process Run Data RunNumber 1 2 3 Mass_mg 0.00344 0.00469 0.00458 0.004 lb/mmBtuO2 6.75E-07 9.62E-07 9.28E-07 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.0012 0.00142 0.00124 0.001 lb/mmBtuO2 2.36E-07 2.91E-07 2.51E-07 0.000 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.00428 0.00452 0.00567 0.005 lb/mmBtuO2 8.40E-07 9.27E-07 1.15E-06 0.000 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.01556 0.00876 0.01076 0.012 lb/mmBtuO2 3.05E-06 1.80E-06 2.18E-06 0.000 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.00837 0.00407 0.00727 0.007 lb/mmBtuO2 1.64E-06 8.34E-07 1.47E-06 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.0087 0.0129 0.0097 0.010 lb/mmBtuO2 1.71E-06 2.64E-06 1.97E-06 0.000



### Location: Unit 2 Stack (A) - Method 5 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 45.1 59.3 58.5 54.300 lb/mmBtuO2 8.85E-03 1.22E-02 1.19E-02 0.011



### Monday, February 14, 2011 Page 12 of 22

### Process Run Data



### Run Name Value UOM Comments Target Value 1 Heat Input 6052.0 MMBtu/hr July 14 Method 5/29, OTM-27/28 0



### 10Heat Input 5932.2 MMBtu/hr NDF HAPS Formaldehyde 0011 Run 3 July 21 0

11Heat Input 6122.1 MMBtu/hr 30B run 1 July 15 0
12Heat Input 6097.2 MMBtu/hr 30B run 2 July 15 0
13Heat Input 6205.5 MMBtu/hr 30B run 3 July 16 0


### 2 Heat Input 6123.7 MMBtu/hr July 15 Method 5/29, OTM-27/28; Run 2 0

3 Heat Input 6127.4 MMBtu/hr July 16 Method 5/29; OTM-27/28; Run 3 0

4 Heat Input 6068.8 MMBtu/hr July 17 CTM-033 Run 1 0



### 5 Heat Input 6073.8 MMBtu/hr July 17 Run 2 CTM-033, M26A Run 1 0

6 Heat Input 6071.1 MMBtu/hr July 17 Run 3 CTM-033, M26A Run 2 0

7 Heat Input 5947 MMBtu/hr July 17 Run 4 CTM-033, M26A Run 3 0

8 Heat Input 6072.9 MMBtu/hr NDF HAPS Formaldehyde 0011 Run 1 July 21 0



### 9 Heat Input 5888.7 MMBtu/hr NDF HAPS Formaldehyde 0011 Run 2 July 21 0

1 Coal Firing Rate 718.18 KPPH July 14 Method 5/29, OTM-27/28 0

10Coal Firing Rate 712.36 KPPH NDF HAPS Formaldehyde 0011 Run 3 July 21 0



### 11Coal Firing Rate 782.48 KPPH 30B run 1 July 15 0
12Coal Firing Rate 761.06 KPPH 30B run 2 July 15 0
13Coal Firing Rate 779.71 KPPH 30B run 3 July 16 0


### 2 Coal Firing Rate 766.72 KPPH July 15 Method 5/29, OTM-27/28; Run 2 0

Monday, February 14, 2011 Page 13 of 22

### 3 Coal Firing Rate 780.86 KPPH July 16 Method 5/29; OTM-27/28; Run 3 0

4 Coal Firing Rate 732.19 KPPH July 17 CTM-033 Run 1 0



### 5 Coal Firing Rate 732.34 KPPH July 17 Run 2 CTM-033, M26A Run 1 0

6 Coal Firing Rate 731.85 KPPH July 17 Run 3 CTM-033, M26A Run 2 0

7 Coal Firing Rate 732.76 KPPH July 17 Run 4 CTM-033, M26A Run 3 0



### 8 Coal Firing Rate 716.95 KPPH NDF HAPS Formaldehyde 0011 Run 1 July 21 0

9 Coal Firing Rate 718.45 KPPH NDF HAPS Formaldehyde 0011 Run 2 July 21 0

1 Gross Megawatts 689.9 MW July 14 Method 5/29, OTM-27/28 0

10Gross Megawatts 674.58 MW NDF HAPS Formaldehyde 0011 Run 3 July 21 0



### 11Gross Megawatts 690.48 MW 30B run 1 July 15 0
12Gross Megawatts 690.74 MW 30B run 2 July 15 0
13Gross Megawatts 690.3 MW 30B run 3 July 16 0


### 2 Gross Megawatts 690.5 MW July 15 Method 5/29, OTM-27/28; Run 2 0

3 Gross Megawatts 690.26 MW July 16 Method 5/29; OTM-27/28; Run 3 0

4 Gross Megawatts 690.62 MW July 17 CTM-033 Run 1 0



### 5 Gross Megawatts 689.88 MW July 17 Run 2 CTM-033, M26A Run 1 0

6 Gross Megawatts 690.55 MW July 17 Run 3 CTM-033, M26A Run 2 0

7 Gross Megawatts 689.33 MW July 17 Run 4 CTM-033, M26A Run 3 0



### Monday, February 14, 2011 Page 14 of 22

### APCD Run Data

Process Lab Run Data 8 Gross Megawatts 675.13 MW NDF HAPS Formaldehyde 0011 Run 1 July 21 0

9 Gross Megawatts 675.32 MW NDF HAPS Formaldehyde 0011 Run 2 July 21 0



### 1 Scrubber Liquor Flow Rate 183.41 gals/min July 14 Method 5/29, OTM-27/28 0

10Scrubber Liquor Flow Rate 254.27 gals/min NDF HAPS Formaldehyde 0011 Run 3 July 21 0

11Scrubber Liquor Flow Rate 272.24 gals/min 30B run 1 July 15 0


### 12Scrubber Liquor Flow Rate 245.09 gals/min 30B run 2 July 15 0
13Scrubber Liquor Flow Rate 252.04 gals/min 30B run 3 July 16 0
2 Scrubber Liquor Flow Rate 255.54 gals/min July 15 Method 5/29, OTM-27/28; Run 2 0

3 Scrubber Liquor Flow Rate 243.38 gals/min July 16 Method 5/29; OTM-27/28; Run 3 0



### 4 Scrubber Liquor Flow Rate 272.21 gals/min July 17CTM-033 Run 1 0

5 Scrubber Liquor Flow Rate 279.15 gals/min July 17 Run 2 CTM-033, M26A Run 1 0

6 Scrubber Liquor Flow Rate 280.51 gals/min July 17 Run 3 CTM-033, M26A Run 2 0



### 7 Scrubber Liquor Flow Rate 277.85 gals/min July 17 Run 4 CTM-033, M26A Run 3 0

8 Scrubber Liquor Flow Rate 258.13 gals/min NDF HAPS Formaldehyde 0011 Run 1 July 21 0

9 Scrubber Liquor Flow Rate 271.91 gals/min NDF HAPS Formaldehyde 0011 Run 2 July 21 0



### Monday, February 14, 2011 Page 15 of 22

### Sampling / Stack Data Results Detail



### Location Unit 2 Stack - Method 10 Average Run Number 1 2 3 Test Date 7/21/2010 7/21/2010 7/21/2010 Run Start Time 8:00:00 AM10:55:00 AM 1:45:00 PM Run Finish Time 10:11:00 AM 1:06:00 PM 3:57:00 PM Carbon Dioxide, % 14.92 14.94 15.07 14.977 Oxygen, % 5.2 5.19 5.06 5.150 Fuel Factor 1.05 1.05 1.05 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 10754 10754 1075410,754.000 Moisture, % 0 0 0 0.000 Analyzer Make Thermo Thermo Thermo Analyzer Model 48C 48C 48C Analyzer Serial Number 48C-75194- 37948C-75194-

379 48C-75194-

379 Operating Range 90.5 90.5 90.5 90.500 Operating Units ppm ppm ppm No. Readings/Avg. 0 0 0 0.000 Calibration Set 1 1 1 1.000 Calibration Pre Zero Cylinder ID SX048819 (CO) SX048819

(CO) SX048819

(CO) Calibration Pre Zero Cylinder Instrument Response 0.28 0.31 0.11 0.233 Calibration Pre Zero Cylinder Bias 0.08 0.11 -0.11 0.027 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID SX40896 (CO) SX40896 (CO) SX40896

(CO) Calibration Pre High Cylinder Instrument Response 45.18 44.85 44.52 44.850 Calibration Pre High Cylinder Bias -0.22 -0.59 -0.95 -0.587 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID SX048819 (CO) SX048819

(CO) SX048819

(CO) Calibration Post Zero Cylinder Instrument Response 0.31 0.11 0.11 0.177 Calibration Post Zero Cylinder Bias 0.11 -0.11 -0.11 -0.037 Calibration Post Zero Cylinder Drift 0.03 0.22 0 0.083 Calibration Post High Cylinder ID SX40896 (CO) SX40896 (CO) SX40896

(CO) Calibration Post High Cylinder Instrument Response 44.85 44.52 44.46 44.610 Calibration Post High Cylinder Bias -0.59 -0.95 -1.02 -0.853 Calibration Post High Cylinder Drift 0.37 0.367.000000000 00001E-02 0.267
Cavg 21.28 22.42 17.24 20.313 Cavg Units ppmvd ppmvd ppmvd Cgas 21.2759 22.642 17.5005 20.473 Cgas Units ppmvd ppmvd ppmvd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 1800 0 1420 1,073.333 Cgasw 0 0 0 0.000 Cgasw Units ppmvw



### Monday, February 14, 2011 Page 16 of 22

### Location Unit 2 Stack - Method 25A Average

Run Number 1 2 3 Test Date 7/21/2010 7/21/2010 7/21/2010 Run Start Time 8:00:00 AM10:55:00 AM 1:45:00 PM Run Finish Time 10:11:00 AM 1:06:00 PM 3:57:00 PM Carbon Dioxide, % 14.9 14.9 15.1 14.967 Oxygen, % 5.2 5.2 5.1 5.167 Fuel Factor 1.05 0 1.05 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 10754 10754 1075410,754.000 Moisture, % 16.4 16.6 16.4 16.467 Analyzer Make TECO TECO TECO Analyzer Model 51C 51C 51C Analyzer Serial Number 509110881 509110881 509110881509,110,881 .000 Operating Range 103 103 103 103.000 Operating Units ppm ppm ppm No. Readings/Avg. 0 0 0 0.000 Calibration Set 2 2 2 2.000 Calibration Pre Zero Cylinder ID SX036963 (THC) SX036963

(THC) SX036963

(THC) Calibration Pre Zero Cylinder Instrument Response -0.06 -0.06 -0.06 -0.060 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 SX-31452 (THC) SX-31452

(THC) SX-31452

(THC) Calibration Pre High Cylinder Instrument Response 30.55 30.55 30.55 30.550 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 SX036963 (THC) SX036963

(THC) SX036963

(THC) Calibration Post Zero Cylinder Instrument Response -0.03 -0.04 -0.04 -0.037 Calibration Post Zero Cylinder Bias 0.03 0.02 0.02 0.023 Calibration Post Zero Cylinder Drift 0.03 0.02 0.02 0.023 Calibration Post High Cylinder ID SX-31452 (THC) SX-31452

(THC) SX-31452

(THC) Calibration Post High Cylinder Instrument Response 30.67 30.01 30.38 30.353 Calibration Post High Cylinder Bias 0.12 -0.52 -0.17 -0.190 Calibration Post High Cylinder Drift 0.12 0.52 0.17 0.270 Cavg 2.15 1.5 1.7 1.783 Cavg Units ppmvw ppmvw ppmvw Cgas 2.6209 1.8751 2.0991 2.198 Cgas Units ppmvd ppmvd ppmvd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 2.1910618169 9561.563798219

584571.754874651

81058 1.837
Cgasw Units ppmvw ppmvw ppmvw



### Monday, February 14, 2011 Page 17 of 22

### Location Unit 2 Stack - Method 26A Average

Run Number 1 2 3 Test Date 7/17/2010 7/17/2010 7/17/2010 Run Start Time 8:55:00 AM10:35:00 AM12:35:00 PM Run Finish Time 10:04:00 AM11:44:00 AM 1:51:00 PM Net Traversing Points 12 12 12 Net Run Time, minutes 60 60 60 Nozzle Diameter, inches 0.192 0.192 0.192 0.192 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.99 0.99 0.99 0.990 Barometric Pressure, inches of Mercury 28.74 28.72 28.64 28.700 Average Orifice Meter Differential, inches H2O 1.54 1.56 1.61 1.570 Dry Gas Meter Volume Sampled, cubic feet 44.975 45.145 45.550 45.223 Average Dry Gas Meter Temperature, °F 89.25 90.58 93.79 91.207 Dry Gas Meter Volume Sampled, dscf 41.277 41.306 41.325 41.303 Total Moisture Liquid collected, g 178.3 190.1 158.7 175.700 Volume of Water Vapor, standard cubic feet 8.39 8.95 7.47 8.270 Moisture Content of Stack Gas, % 16.89 17.81 15.31 16.670 Moisture Saturation at Stack Gas Temperature, % 62.75 61.45 61.38 61.860 Dry Mole Fraction 0.8311 0.8219 0.8469 0.833 Carbon Dioxide, % 14.9 15 14.9 14.933 Oxygen, % 5.1 5.1 5.2 5.133 Carbon Monoxide & Nitrogen, % 80 79.9 79.9 79.933 Fuel Factor 1.06 1.05 1.05 Dry Molecular Weight, lb/lb-Mole 30.59 30.60 30.59 30.593 Wet Molecular weight, lb/lb-Mole 28.46 28.36 28.66 28.493 Flue Gas Static Pressure, inches of H2O -0.3 -0.3 -0.2 -0.267 Absolute Flue Gas Pressure, inches of Mercury 28.72 28.70 28.63 28.683 Average Stack Gas Temperature, °F 187.58 186.58 186.42 186.860 Average Velocity Head, inches of H2O 1.8058460724 05841.805632097

823221.813174601

9657 1.808
Average Stack Gas Velocity, feet/second 85.90 86.01 85.83 85.913 Stack Cross-Sectional Area, square feet 415.476 415.476 415.476 415.476 Dry Volumetric Flow Rate, dry scfm 1,392,858.4 1,380,375.0 1,416,274.21,396,502.5 33 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,141,363.3 2,144,105.4 2,139,618.32,141,695.6 67 Percent Isokinetic of Sampling Rate, % 102.1 103.1 100.5 101.900 Percent Excess Air, % 31.8 31.9 32.7 32.133 F-Factor, dscfm/MMBtu @ %O2 10774 10664 1080010,746.000 Round Duct Diameter, inches 276 276 276 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 1826 1800 1806 1,810.667



### Monday, February 14, 2011 Page 18 of 22

### Location Unit 2 Stack - OTM - 27/28 Average

Run Number 1 2 3 Test Date 7/14/2010 7/15/2010 7/16/2010 Run Start Time 8:55:00 AM9:37:00 AM 7:35:00 AM Run Finish Time 3:36:15 PM4:04:00 PM 2:11:45 PM Net Traversing Points 12 12 12 Net Run Time, minutes 379.25 363 363.75 Nozzle Diameter, inches 0.134 0.125 0.125 0.128 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.016 0.99 0.99 0.999 Barometric Pressure, inches of Mercury 28.65 28.95 28.63 28.743 Average Orifice Meter Differential, inches H2O 0.37 0.32 0.32 0.337 Dry Gas Meter Volume Sampled, cubic feet 146.120 129.060 129.875 135.018 Average Dry Gas Meter Temperature, °F 95.75 84.13 84.88 88.253 Dry Gas Meter Volume Sampled, dscf 135.186 120.060 119.319 124.855 Total Moisture Liquid collected, g 555.9 492.3 517.8 522.000 Volume of Water Vapor, standard cubic feet 26.17 23.17 24.37 24.570 Moisture Content of Stack Gas, % 16.22 16.18 16.96 16.453 Moisture Saturation at Stack Gas Temperature, % 62.16 61.62 61.62 61.800 Dry Mole Fraction 0.8378 0.8382 0.8304 0.835 Carbon Dioxide, % 14.8 14.9 15 14.900 Oxygen, % 5.1 5.2 5 5.100 Carbon Monoxide & Nitrogen, % 80.1 79.9 80 80.000 Fuel Factor 1.07 1.05 1.06 Dry Molecular Weight, lb/lb-Mole 30.57 30.59 30.60 30.587 Wet Molecular weight, lb/lb-Mole 28.53 28.55 28.46 28.513 Flue Gas Static Pressure, inches of H2O -0.3 -0.3 -0.2 -0.267 Absolute Flue Gas Pressure, inches of Mercury 28.63 28.93 28.62 28.727 Average Stack Gas Temperature, °F 187.00 187.08 186.58 186.887 Average Velocity Head, inches of H2O 1.9543092429 92681.996367457

32072.004406154

3634 1.985
Average Stack Gas Velocity, feet/second 89.35 89.81 90.58 89.913 Stack Cross-Sectional Area, square feet 415.476 415.476 415.476 415.476 Dry Volumetric Flow Rate, dry scfm 1,457,207.9 1,480,581.6 1,464,659.11,467,482.8 67 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,227,366.8 2,238,834.0 2,258,029.02,241,409.9 33 Percent Isokinetic of Sampling Rate, % 103.8 108.9 109.2 107.300 Percent Excess Air, % 31.8 32.7 31.0 31.833 F-Factor, dscfm/MMBtu @ %O2 10636 10808 1065410,699.333 Round Duct Diameter, inches 276 276 276 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 1811 1810 1794 1,805.000



### Monday, February 14, 2011 Page 19 of 22

### Location Unit 2 Stack (A) - Method 0011 Average

Run Number 1 2 3 Test Date 7/21/2010 7/21/2010 7/21/2010 Run Start Time 8:00:00 AM10:55:00 AM 1:45:00 PM Run Finish Time 10:11:00 AM 1:06:00 PM 3:57:00 PM Net Traversing Points 24 24 24 Net Run Time, minutes 120 120 120 Nozzle Diameter, inches 0.192 0.192 0.192 0.192 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.99 0.99 0.99 0.990 Barometric Pressure, inches of Mercury 28.78 28.77 28.71 28.753 Average Orifice Meter Differential, inches H2O 1.49 1.53 1.50 1.507 Dry Gas Meter Volume Sampled, cubic feet 87.700 88.610 88.225 88.178 Average Dry Gas Meter Temperature, °F 88.98 94.31 94.08 92.457 Dry Gas Meter Volume Sampled, dscf 80.629 80.663 80.172 80.488 Total Moisture Liquid collected, g 335.7 341.1 335 337.267 Volume of Water Vapor, standard cubic feet 15.80 16.06 15.77 15.877 Moisture Content of Stack Gas, % 16.39 16.60 16.44 16.477 Moisture Saturation at Stack Gas Temperature, % 62.30 59.03 59.23 60.187 Dry Mole Fraction 0.8361 0.834 0.8356 0.835 Carbon Dioxide, % 14.9 14.9 15.1 14.967 Oxygen, % 5.2 5.2 5.1 5.167 Carbon Monoxide & Nitrogen, % 79.9 79.9 79.8 79.867 Fuel Factor 1.05 1.05 1.05 Dry Molecular Weight, lb/lb-Mole 30.59 30.59 30.62 30.600 Wet Molecular weight, lb/lb-Mole 28.53 28.50 28.55 28.527 Flue Gas Static Pressure, inches of H2O -0.2 -0.2 -0.3 -0.233 Absolute Flue Gas Pressure, inches of Mercury 28.77 28.76 28.69 28.740 Average Stack Gas Temperature, °F 187.33 184.83 184.88 185.680 Average Velocity Head, inches of H2O 1.7188348970 34051.710327328

313821.697842919

63744 1.709
Average Stack Gas Velocity, feet/second 83.61 83.30 83.03 83.313 Stack Cross-Sectional Area, square feet 415.476 415.476 415.476 415.476 Dry Volumetric Flow Rate, dry scfm 1,366,784.7 1,363,089.0 1,357,858.91,362,577.5 33 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,084,276.9 2,076,549.0 2,069,818.32,076,881.4 00 Percent Isokinetic of Sampling Rate, % 101.6 101.9 101.7 101.733 Percent Excess Air, % 32.7 32.7 31.9 32.433 F-Factor, dscfm/MMBtu @ %O2 10793 10658 1081110,754.000 Round Duct Diameter, inches 276 276 276 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 1794 1786 1794 1,791.333



### Monday, February 14, 2011 Page 20 of 22

### Location Unit 2 Stack (A) - Method 29 Average

Run Number 1 2 3 Test Date 7/14/2010 7/15/2010 7/16/2010 Run Start Time 9:30:00 AM9:38:00 AM 9:55:00 AM Run Finish Time 2:05:00 PM 2:35:00 PM 2:04:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.186 0.186 0.186 0.186 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.994 0.997 0.994 0.995 Barometric Pressure, inches of Mercury 28.64 29.02 28.64 28.767 Average Orifice Meter Differential, inches H2O 1.36 1.23 1.28 1.290 Dry Gas Meter Volume Sampled, cubic feet 174.527 164.513 167.122 168.721 Average Dry Gas Meter Temperature, °F 96.70 84.65 92.74 91.363 Dry Gas Meter Volume Sampled, dscf 158.047 154.703 152.395 155.048 Total Moisture Liquid collected, g 658.3 659.2 692 669.833 Volume of Water Vapor, standard cubic feet 30.99 31.03 32.57 31.530 Moisture Content of Stack Gas, % 16.39 16.71 17.61 16.903 Moisture Saturation at Stack Gas Temperature, % 64.23 62.51 63.26 63.333 Dry Mole Fraction 0.8361 0.8329 0.8239 0.831 Carbon Dioxide, % 14.8 14.8 15 14.867 Oxygen, % 5.1 5.2 5 5.100 Carbon Monoxide & Nitrogen, % 80.1 80 80 80.033 Fuel Factor 1.07 1.06 1.06 Dry Molecular Weight, lb/lb-Mole 30.57 30.58 30.60 30.583 Wet Molecular weight, lb/lb-Mole 28.51 28.48 28.38 28.457 Flue Gas Static Pressure, inches of H2O -0.3 -0.3 -0.2 -0.267 Absolute Flue Gas Pressure, inches of Mercury 28.62 29.00 28.63 28.750 Average Stack Gas Temperature, °F 188.50 187.85 187.81 188.053 Average Velocity Head, inches of H2O 1.7442010804 26541.761456135

116391.754850124

95311 1.754
Average Stack Gas Velocity, feet/second 84.55 84.41 84.94 84.633 Stack Cross-Sectional Area, square feet 415.476 415.476 415.476 415.476 Dry Volumetric Flow Rate, dry scfm 1,372,464.2 1,384,458.1 1,360,598.51,372,506.9 33 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,107,709.7 2,104,219.7 2,117,431.92,109,787.1 00 Percent Isokinetic of Sampling Rate, % 105.6 102.5 102.8 103.633 Percent Excess Air, % 31.8 32.7 31.0 31.833 F-Factor, dscfm/MMBtu @ %O2 10636 10808 1065410,699.333 Round Duct Diameter, inches 276 276 276 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 1811 1810 1794 1,805.000



### Monday, February 14, 2011 Page 21 of 22

### Location Unit 2 Stack (A) - Method 5 Average

Run Number 1 2 3 Test Date 7/14/2010 7/15/2010 7/16/2010 Run Start Time 9:30:00 AM9:38:00 AM 9:55:00 AM Run Finish Time 2:05:00 PM 2:35:00 PM 2:04:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.186 0.186 0.186 0.186 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.994 0.997 0.994 0.995 Barometric Pressure, inches of Mercury 28.64 29.02 28.64 28.767 Average Orifice Meter Differential, inches H2O 1.36 1.23 1.28 1.290 Dry Gas Meter Volume Sampled, cubic feet 174.527 164.513 167.122 168.721 Average Dry Gas Meter Temperature, °F 96.70 84.65 92.74 91.363 Dry Gas Meter Volume Sampled, dscf 158.047 154.703 152.395 155.048 Total Moisture Liquid collected, g 658.3 659.2 692 669.833 Volume of Water Vapor, standard cubic feet 30.99 31.03 32.57 31.530 Moisture Content of Stack Gas, % 16.39 16.71 17.61 16.903 Moisture Saturation at Stack Gas Temperature, % 64.23 62.51 63.26 63.333 Dry Mole Fraction 0.8361 0.8329 0.8239 0.831 Carbon Dioxide, % 14.8 14.8 15 14.867 Oxygen, % 5.1 5.2 5 5.100 Carbon Monoxide & Nitrogen, % 80.1 80 80 80.033 Fuel Factor 1.07 1.06 1.06 Dry Molecular Weight, lb/lb-Mole 30.57 30.58 30.60 30.583 Wet Molecular weight, lb/lb-Mole 28.51 28.48 28.38 28.457 Flue Gas Static Pressure, inches of H2O -0.3 -0.3 -0.2 -0.267 Absolute Flue Gas Pressure, inches of Mercury 28.62 29.00 28.63 28.750 Average Stack Gas Temperature, °F 188.50 187.85 187.81 188.053 Average Velocity Head, inches of H2O 1.7442010804 26541.761456135

116381.754850124

95311 1.754
Average Stack Gas Velocity, feet/second 84.55 84.41 84.94 84.633 Stack Cross-Sectional Area, square feet 415.476 415.476 415.476 415.476 Dry Volumetric Flow Rate, dry scfm 1,372,464.2 1,384,458.1 1,360,598.51,372,506.9 33 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,107,709.7 2,104,219.7 2,117,431.92,109,787.1 00 Percent Isokinetic of Sampling Rate, % 105.6 102.5 102.8 103.633 Percent Excess Air, % 31.8 32.7 31.0 31.833 F-Factor, dscfm/MMBtu @ %O2 10636 10808 1065410,699.333 Round Duct Diameter, inches 276 276 276 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 1811 1810 1794 1,805.000



### Monday, February 14, 2011 Page 22 of 22