### Name: Shawn Glacken

Title: Senior VP, Environmental Services Company: Luminant Sign Date: 9/2/2010 Name: Mike Hutcherson Title: Project Manager Company:METCO Environmental Sign Date: 8/5/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## Luminant Power Monticello Mt. Pleasant, TX

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 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 Facility Information:
Monticello Steam Electric Station 1574 Monticello Plant Road

Mt. Pleasant TX75455 Contact:Craig Birkenfeld Phone:214-875-8326 Fax: 214-875-8333 Email: craigbirkenfeld@luminant.com Testing Company:
METCO Environmental P.O. Box 598

Addison TX75001 Contact:Mike Hutcherson-Project Manager Phone:972-931-7127 Fax: 972-931-8398 Email:mhutcherson@metcoenv.com

Air Permit Number: 6147 Permitted Source ID/Name: Unit Number 2 Boiler B2 Permitted Maximum Process Rate: N/A 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: Tangential-fired boiler with low-NOx burners and overfire air burning a blend of low-sulfur subbituminous coal and lignite. SNCR with urea for NOx control, followed by Activated Carbon Injection for mercury control, then ESPs in parallel with Baghouses for PM control. Industry/SCC/NAIS221112

Sampling Location Information:

Test Parameter Information: AFS #:4844900003 FRS #:110000598835

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 Unit #2 Stack (EPN S2) 272.25 1633 2615 4 0 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 Apx time; the actual time varied from run to run. Unit #2 Stack (EPN S2)
2,3,7,8-TCDD Method 23 3 480 0 Unit #2 Stack (EPN S2) 1,2,3,7,8-PeCDD Method 23 3 480 0 Unit #2 Stack (EPN S2)



### Thursday, January 20, 2011 Page 2 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 1,2,3,4,7,8-HxCDD Method 23 3 480 0 Unit #2 Stack (EPN S2) 1,2,3,6,7,8-HxCDD Method 23 3 480 0 Unit #2 Stack (EPN S2) 1,2,3,7,8,9-HxCDD Method 23 3 480 0 Unit #2 Stack (EPN S2) 1,2,3,4,6,7,8-HpCDD Method 23 3 480 0 Unit #2 Stack (EPN S2) OCDD Method 23 3 480 0 Unit #2 Stack (EPN S2) 2,3,7,8-TCDF Method 23 3 480 0 Unit #2 Stack (EPN S2) 1,2,3,7,8-PeCDF Method 23 3 480 0 Unit #2 Stack (EPN S2) 2,3,4,7,8-PeCDF Method 23 3 480 0 Unit #2 Stack (EPN S2) 1,2,3,4,7,8-HxCDF Method 23 3 480 0 Unit #2 Stack (EPN S2) 1,2,3,6,7,8-HxCDF Method 23 3 480 0 Unit #2 Stack (EPN S2) 2,3,4,6,7,8-HxCDF Method 23 3 480 0 Unit #2 Stack (EPN S2) 1,2,3,7,8,9-HxCDF Method 23 3 480 0 Unit #2 Stack (EPN S2) 1,2,3,4,6,7,8-HpCDF Method 23 3 480 0 Unit #2 Stack (EPN S2) 1,2,3,4,7,8,9-HpCDF Method 23 3 480 0 Unit #2 Stack (EPN S2) OCDF Method 23 3 480 0 Unit #2 Stack (EPN S2) 3,3',4,4'-TCB (PCB77) Method 23 3 480 0 Unit #2 Stack (EPN S2) 3,4,4',5-TCB (PCB81) Method 23 3 480 0 Unit #2 Stack (EPN S2) 2,3,3',4,4'-PeCB (PCB105) Method 23 3 480 0 Unit #2 Stack (EPN S2) 2,3,4,4',5-PeCB (PCB114) Method 23 3 480 0 Unit #2 Stack (EPN S2) 2,3',4,4',5-PeCB (PCB118) Method 23 3 480 0 Unit #2 Stack (EPN S2) 2',3,4,4',5-PeCB (PCB123) Method 23 3 480 0 Unit #2 Stack (EPN S2) 3,3',4,4',5-PeCB (PCB126) Method 23 3 480 0 Unit #2 Stack (EPN S2) 2,3,3',4,4',5/2,3,3',4,4',5'-

HxCB (PCBs156/157) Method 23 3 480 0 Unit #2 Stack (EPN S2) 2,3',4,4',5,5'-HxCB (PCB167)Method 23 3 480 0 Unit #2 Stack (EPN S2) 3,3',4,4',5,5'-HxCB (PCB169)Method 23 3 480 0 Unit #2 Stack (EPN S2) 2,3,3',4,4',5,5'-HpCB

(PCB189) Method 23 3 480 0 Unit #2 Stack (EPN S2) Total PCBs Method 23 3 480 0 Unit #2 Stack (EPN S2)



### Thursday, January 20, 2011 Page 3 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010

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. See attached report.

Total organic compounds (TOC) as Propane Method 25A 3 120 0 Apx time; the actual time varied from run to run. Unit #2 Stack (EPN S2)
Hydrogen Fluoride Method 26A 3 180 0 Unit #2 Stack (EPN S2) Hydrogen Chloride Method 26A 3 180 0 Unit #2 Stack (EPN S2) Filterable PM2.5 OTM - 27/28 3 360 0 Apx time; the actual time varied from run to run. Unit #2 Stack (EPN S2)

Total PM2.5 OTM - 27/28 3 360 0 Unit #2 Stack (EPN S2) Inorganic (Aqueous)

Condensible Part. OTM - 27/28 3 360 0 Apx time; the actual time varied from run to run. Unit #2 Stack (EPN S2)

Filterable Particulate OTM - 27/28 3 360 0 Unit #2 Stack (EPN S2) Organic Condensible

Particulate OTM - 27/28 3 360 0 Apx time; the actual time varied from run to run. Unit #2 Stack (EPN S2)

Total Particulate OTM - 27/28 3 360 0 Unit #2 Stack (EPN S2) Cobalt Method 29 3 240 0 Unit #2 Stack (EPN S2) Phosphorus (yellow or white)Method 29 3 240 0 Unit #2 Stack (EPN S2) Lead Method 29 3 240 0 Unit #2 Stack (EPN S2) Cadmium Method 29 3 240 0 Unit #2 Stack (EPN S2) Chromium Method 29 3 240 0 Unit #2 Stack (EPN S2) Arsenic Method 29 3 240 0 Unit #2 Stack (EPN S2) Antimony Method 29 3 240 0 Unit #2 Stack (EPN S2) Manganese Method 29 3 240 0 Unit #2 Stack (EPN S2) Nickel Method 29 3 240 0 Unit #2 Stack (EPN S2) Selenium Method 29 3 240 0 Unit #2 Stack (EPN S2) Beryllium Method 29 3 240 0 Unit #2 Stack (EPN S2) Filterable Particulate Method 5 3 240 0 This was from the FH of the M29 train. Unit #2 Stack (EPN S2) Sulfur Dioxide Method 6C 3 240 0 Unit #2 Stack (EPN S2) Nitrogen oxides (NOx) Method 7E 3 240 0 Unit #2 Stack (EPN S2)



### Thursday, January 20, 2011 Page 4 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010

Thursday, January 20, 2011 Page 5 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010

Thursday, January 20, 2011 Page 6 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 Sampling / Stack Data Results Summary


### LocationUnit #2 Stack (EPN S2) - Method 10 Average Run Number 1 2 3 Test Date 4/28/2010 4/29/2010 4/29/2010 Run Start Time 8:10:00 AM 12:21:00 AM 5:10:00 PM

Run Finish Time 10:33:00 AM 2:41:00 AM 7:26:00 PM

Carbon Dioxide, % 13.66 13.28 13.48 13.473 Oxygen, % 6.18 6.34 6.22 6.247 Dry Volumetric Flow Rate, dry scfm 1337930 1330471 12993551,322,585.33 3 F-Factor, dscfm/MMBtu @ %O2 9590 9590 9590 9,590.000 Moisture, % 11.36 11.76 11.8 11.640 Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 1910 0 0 636.667



### LocationUnit #2 Stack (EPN S2) - Method 23 Average Run Number 1 2 3 Test Date 4/27/2010 4/28/2010 4/29/2010 Run Start Time 9:35:00 AM 11:50:00 AM 2:15:00 AM

Run Finish Time 6:00:00 PM 11:20:00 PM10:40:00 AM

Net Run Time, minutes 480 480 480 Dry Gas Meter Volume Sampled, dscf 304.776 301.915 307.620 304.770 Moisture Content of Stack Gas, % 11.34 11.74 11.77 11.617 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 13.7 13.3 13.5 13.500 Oxygen, % 6.2 6.3 6.2 6.233 Average Stack Gas Temperature, °F 372.23 376.23 375.10 374.520 Dry Volumetric Flow Rate, dry scfm 1,334,730.51,326,532.9 1,295,744.11,319,002.50 0 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,425,572.02,441,580.8 2,396,465.12,421,205.96 7 Percent Isokinetic of Sampling Rate, % 92.7 94.4 98.4 95.167 F-Factor, dscfm/MMBtu @ %O2 9590 9590 9590 9,590.000 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 7 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - Method 25A Average Run Number 1 2 3 Test Date 4/28/2010 4/29/2010 4/29/2010 Run Start Time 8:10:00 AM 12:21:00 AM 5:10:00 PM

Run Finish Time 10:33:00 AM 2:41:00 AM 7:26:00 PM

Carbon Dioxide, % 13.66 13.28 13.48 13.473 Oxygen, % 6.18 6.34 6.22 6.247 Dry Volumetric Flow Rate, dry scfm 1337930 1330471 12993551,322,585.33 3 F-Factor, dscfm/MMBtu @ %O2 9590 9590 9590 9,590.000 Moisture, % 11.36 11.76 11.8 11.640 Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000



### LocationUnit #2 Stack (EPN S2) - Method 26A Average Run Number 1 2 3 Test Date 4/27/2010 4/28/2010 4/29/2010 Run Start Time 7:01:00 PM5:09:00 PM 1:17:00 PM Run Finish Time 10:32:00 PM8:31:00 PM 4:47:00 PM Net Run Time, minutes 180 180 180 Dry Gas Meter Volume Sampled, dscf 113.575 113.798 109.888 112.420 Moisture Content of Stack Gas, % 14.14 11.98 14.06 13.393 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 13.7 13.3 13.5 13.500 Oxygen, % 6.2 6.3 6.2 6.233 Average Stack Gas Temperature, °F 383.42 390.53 394.42 389.457 Dry Volumetric Flow Rate, dry scfm 1,262,272.21,314,252.5 1,230,596.91,269,040.53 3 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,403,014.22,475,538.8 2,396,465.12,425,006.03 3 Percent Isokinetic of Sampling Rate, % 99.5 95.7 98.7 97.967 F-Factor, dscfm/MMBtu @ %O2 9590 9590 9590 9,590.000 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 8 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - Method 29 Average Run Number 1 2 3 Test Date 4/28/2010 4/28/2010 4/29/2010 Run Start Time 1:40:00 AM 12:17:00 AM11:27:00 AM

Run Finish Time 6:07:00 AM 11:55:00 PM 4:20:00 PM

Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 156.875 144.910 149.350 150.378 Moisture Content of Stack Gas, % 10.36 12.42 12.62 11.800 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 13.7 13.3 13.5 13.500 Oxygen, % 6.2 6.3 6.2 6.233 Average Stack Gas Temperature, °F 384.67 375.81 377.58 379.353 Dry Volumetric Flow Rate, dry scfm 1,302,571.81,275,903.5 1,287,597.61,288,690.96 7 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,377,060.62,374,392.4 2,415,869.72,389,107.56 7 Percent Isokinetic of Sampling Rate, % 99.9 94.2 96.2 96.767 F-Factor, dscfm/MMBtu @ %O2 9590 9590 9590 9,590.000 Fw Fc



### Thursday, January 20, 2011 Page 9 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - Method 5 Average Run Number 1 2 3 Test Date 4/28/2010 4/28/2010 4/29/2010 Run Start Time 1:40:00 AM 12:17:00 AM11:27:00 AM

Run Finish Time 6:07:00 AM 11:55:00 PM 4:20:00 PM

Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 156.875 144.910 149.350 150.378 Moisture Content of Stack Gas, % 10.36 12.42 12.62 11.800 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 13.7 13.3 13.5 13.500 Oxygen, % 6.2 6.3 6.2 6.233 Average Stack Gas Temperature, °F 384.67 375.81 377.58 379.353 Dry Volumetric Flow Rate, dry scfm 1,302,571.81,275,903.5 1,287,597.61,288,690.96 7 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,377,060.62,374,392.4 2,415,869.72,389,107.56 7 Percent Isokinetic of Sampling Rate, % 99.9 94.2 96.2 96.767 F-Factor, dscfm/MMBtu @ %O2 9590 9590 9590 9,590.000 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### LocationUnit #2 Stack (EPN S2) - Method 6C Average Run Number 1 2 3 Test Date 4/27/2010 4/28/2010 4/29/2010 Run Start Time 9:35:00 AM 10:56:00 AM 3:17:00 AM

Run Finish Time 1:35:00 PM2:56:00 PM 7:17:00 AM Carbon Dioxide, % 13.66 13.28 13.48 13.473 Oxygen, % 6.18 6.34 6.22 6.247 Dry Volumetric Flow Rate, dry scfm 1337930 1330471 12993551,322,585.33 3 F-Factor, dscfm/MMBtu @ %O2 9590 9590 9590 9,590.000 Moisture, % 11.36 11.76 11.8 11.640 Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 1910 0 0 636.667



### Thursday, January 20, 2011 Page 10 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - Method 7E Average Run Number 1 2 3 Test Date 4/27/2010 4/28/2010 4/29/2010 Run Start Time 9:35:00 AM 10:56:00 AM 3:17:00 AM

Run Finish Time 1:35:00 PM2:56:00 PM 7:17:00 AM Carbon Dioxide, % 13.66 13.28 13.48 13.473 Oxygen, % 6.18 6.34 6.22 6.247 Dry Volumetric Flow Rate, dry scfm 1337930 1330471 12993551,322,585.33 3 F-Factor, dscfm/MMBtu @ %O2 9590 9590 9590 9,590.000 Moisture, % 11.36 11.76 11.8 11.640 Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000



### LocationUnit #2 Stack (EPN S2) - OTM - 27/28 Average Run Number 1 2 3 Test Date 4/27/2010 4/28/2010 4/29/2010 Run Start Time 9:35:00 AM 8:39:00 AM 5:05:00 AM

Run Finish Time 4:42:45 PM3:37:15 PM11:47:00 AM Net Run Time, minutes 427.75 418.25 402 Dry Gas Meter Volume Sampled, dscf 141.541 139.933 135.114 138.863 Moisture Content of Stack Gas, % 10.21 11.53 11.57 11.103 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 13.7 13.3 13.5 13.500 Oxygen, % 6.2 6.3 6.2 6.233 Average Stack Gas Temperature, °F 391.28 391.57 389.44 390.763 Dry Volumetric Flow Rate, dry scfm 1,349,640.51,314,378.0 1,283,108.51,315,709.00 0 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,477,236.72,449,342.6 2,410,048.32,445,542.53 3 Percent Isokinetic of Sampling Rate, % 99.7 103.5 106.5 103.233 F-Factor, dscfm/MMBtu @ %O2 9590 9590 9590 9,590.000 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Thursday, January 20, 2011 Page 11 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 Emissions Summary


### Location: Unit #2 Stack (EPN S2) - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 6.46E-01 6.67E-01 6.59E-01 0.657 ppm 6.53E+02 6.66E+02 6.64E+02 661.000 ppm@7%O2 6.17E+02 6.36E+02 6.29E+02 627.333



### Location: Unit #2 Stack (EPN S2) - Method 23 Compound: 1,2,3,4,6,7,8-HpCDD Average RunNumber 1 2 3 Mass_mg 0.0000000041 0.0000000026 0.0000000059 0.000 lb/mmBtuO2 4.04E-13 2.61E-13 5.77E-13 0.000 ng/dscm 4.75E-04 3.04E-04 6.77E-04 0.000 ng/dscm@7%O2 4.49E-04 2.89E-04 6.40E-04 0.000 

### Compound: 1,2,3,4,6,7,8-HpCDF Average RunNumber 1 2 3 Mass_mg 0.000000011 0.0000000024 0.000000004 0.000 lb/mmBtuO2 1.08E-12 2.41E-13 3.91E-13 0.000 ng/dscm 1.27E-03 2.81E-04 4.59E-04 0.001 ng/dscm@7%O2 1.20E-03 2.68E-04 4.34E-04 0.001 

### Compound: 1,2,3,4,7,8,9-HpCDF Average RunNumber 1 2 3 Mass_mg 0.0000000043 0.0000000027 0.0000000052 0.000 lb/mmBtuO2 4.24E-13 2.71E-13 5.08E-13 0.000 ng/dscm 4.98E-04 3.16E-04 5.97E-04 0.000 ng/dscm@7%O2 4.71E-04 3.01E-04 5.65E-04 0.000 

### Compound: 1,2,3,4,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000037 0.0000000021 0.0000000042 0.000 lb/mmBtuO2 3.65E-13 2.11E-13 4.10E-13 0.000 ng/dscm 4.29E-04 2.46E-04 4.82E-04 0.000 ng/dscm@7%O2 4.06E-04 2.34E-04 4.56E-04 0.000 

### Compound: 1,2,3,4,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000089 0.0000000018 0.0000000028 0.000 lb/mmBtuO2 8.78E-13 1.80E-13 2.74E-13 0.000 ng/dscm 1.03E-03 2.11E-04 3.21E-04 0.001 ng/dscm@7%O2 9.74E-04 2.01E-04 3.04E-04 0.000 

### Compound: 1,2,3,6,7,8-HxCDD Average


### Thursday, January 20, 2011 Page 12 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 RunNumber 1 2 3 Mass_mg 0.0000000036 0.000000002 0.0000000041 0.000 lb/mmBtuO2 3.55E-13 2.00E-13 4.01E-13 0.000 ng/dscm 4.17E-04 2.34E-04 4.71E-04 0.000 ng/dscm@7%O2 3.94E-04 2.23E-04 4.45E-04 0.000 

### Compound: 1,2,3,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000047 0.0000000016 0.0000000025 0.000 lb/mmBtuO2 4.64E-13 1.60E-13 2.44E-13 0.000 ng/dscm 5.45E-04 1.87E-04 2.87E-04 0.000 ng/dscm@7%O2 5.15E-04 1.78E-04 2.71E-04 0.000 

### Compound: 1,2,3,7,8,9-HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000036 0.0000000021 0.0000000042 0.000 lb/mmBtuO2 3.55E-13 2.11E-13 4.10E-13 0.000 ng/dscm 4.17E-04 2.46E-04 4.82E-04 0.000 ng/dscm@7%O2 3.94E-04 2.34E-04 4.56E-04 0.000 

### Compound: 1,2,3,7,8,9-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000025 0.0000000019 0.000000003 0.000 lb/mmBtuO2 2.47E-13 1.90E-13 2.93E-13 0.000 ng/dscm 2.90E-04 2.22E-04 3.44E-04 0.000 ng/dscm@7%O2 2.74E-04 2.11E-04 3.25E-04 0.000 

### Compound: 1,2,3,7,8-PeCDD Average RunNumber 1 2 3 Mass_mg 0.0000000044 0.0000000028 0.0000000053 0.000 lb/mmBtuO2 4.34E-13 2.81E-13 5.18E-13 0.000 ng/dscm 5.10E-04 3.28E-04 6.09E-04 0.000 ng/dscm@7%O2 4.82E-04 3.12E-04 5.76E-04 0.000 

### Compound: 1,2,3,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000057 0.0000000027 0.0000000044 0.000 lb/mmBtuO2 5.62E-13 2.71E-13 4.30E-13 0.000 ng/dscm 6.61E-04 3.16E-04 5.05E-04 0.000 ng/dscm@7%O2 6.25E-04 3.01E-04 4.78E-04 0.000 

### Compound: 2,3,3',4,4',5,5'-HpCB (PCB189) Average RunNumber 1 2 3 Mass_mg 0.0000000164 0.0000000136 0.0000000124 0.000 lb/mmBtuO2 1.62E-12 1.36E-12 1.21E-12 0.000 ng/dscm 1.90E-03 1.59E-03 1.42E-03 0.002 ng/dscm@7%O2 1.80E-03 1.51E-03 1.34E-03 0.002



### Thursday, January 20, 2011 Page 13 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 Compound: 2,3,3',4,4',5/2,3,3',4,4',5'-HxCB (PC Average RunNumber 1 2 3 Mass_mg 0.0000000564 0.0000000436 0.0000000428 0.000 lb/mmBtuO2 5.56E-12 4.37E-12 4.18E-12 0.000 ng/dscm 6.54E-03 5.10E-03 4.91E-03 0.006 ng/dscm@7%O2 6.18E-03 4.86E-03 4.64E-03 0.005 

### Compound: 2,3,3',4,4'-PeCB (PCB105) Average RunNumber 1 2 3 Mass_mg 0.0000000679 0.0000000217 0.0000000137 0.000 lb/mmBtuO2 6.70E-12 2.18E-12 1.34E-12 0.000 ng/dscm 7.87E-03 2.54E-03 1.57E-03 0.004 ng/dscm@7%O2 7.44E-03 2.42E-03 1.48E-03 0.004 

### Compound: 2,3',4,4',5,5'-HxCB (PCB167) Average RunNumber 1 2 3 Mass_mg 0.0000000159 0.000000012 0.000000012 0.000 lb/mmBtuO2 1.57E-12 1.20E-12 1.17E-12 0.000 ng/dscm 1.84E-03 1.40E-03 1.38E-03 0.002 ng/dscm@7%O2 1.74E-03 1.33E-03 1.30E-03 0.001 

### Compound: 2,3,4,4',5-PeCB (PCB114) Average RunNumber 1 2 3 Mass_mg 0.0000000208 0.0000000137 0.000000013 0.000 lb/mmBtuO2 2.05E-12 1.37E-12 1.27E-12 0.000 ng/dscm 2.41E-03 1.60E-03 1.49E-03 0.002 ng/dscm@7%O2 2.28E-03 1.52E-03 1.41E-03 0.002 

### Compound: 2,3',4,4',5-PeCB (PCB118) Average RunNumber 1 2 3 Mass_mg 0.0000002118 0.0000000567 0.0000000438 0.000 lb/mmBtuO2 2.09E-11 5.68E-12 4.28E-12 0.000 ng/dscm 2.45E-02 6.63E-03 5.03E-03 0.012 ng/dscm@7%O2 2.32E-02 6.31E-03 4.76E-03 0.011 

### Compound: 2',3,4,4',5-PeCB (PCB123) Average RunNumber 1 2 3 Mass_mg 0.000000023 0.0000000151 0.0000000142 0.000 lb/mmBtuO2 2.27E-12 1.51E-12 1.39E-12 0.000 ng/dscm 2.67E-03 1.77E-03 1.63E-03 0.002 ng/dscm@7%O2 2.52E-03 1.69E-03 1.54E-03 0.002 

### Compound: 2,3,4,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.000000004 0.0000000017 0.0000000026 0.000 lb/mmBtuO2 3.95E-13 1.70E-13 2.54E-13 0.000



### Thursday, January 20, 2011 Page 14 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 ng/dscm 4.64E-04 1.99E-04 2.99E-04 0.000 ng/dscm@7%O2 4.39E-04 1.89E-04 2.83E-04 0.000 

### Compound: 2,3,4,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.000000013 0.0000000028 0.0000000045 0.000 lb/mmBtuO2 1.28E-12 2.81E-13 4.40E-13 0.000 ng/dscm 1.51E-03 3.28E-04 5.17E-04 0.001 ng/dscm@7%O2 1.43E-03 3.12E-04 4.89E-04 0.001 

### Compound: 2,3,7,8-TCDD Average RunNumber 1 2 3 Mass_mg 0.0000000072 0.0000000052 0.000000009 0.000 lb/mmBtuO2 7.10E-13 5.21E-13 8.79E-13 0.000 ng/dscm 8.34E-04 6.08E-04 1.03E-03 0.001 ng/dscm@7%O2 7.89E-04 5.79E-04 9.74E-04 0.001 

### Compound: 2,3,7,8-TCDF Average RunNumber 1 2 3 Mass_mg 0.000000015 0.0000000046 0.0000000057 0.000 lb/mmBtuO2 1.48E-12 4.61E-13 5.57E-13 0.000 ng/dscm 1.74E-03 5.38E-04 6.54E-04 0.001 ng/dscm@7%O2 1.65E-03 5.12E-04 6.18E-04 0.001 

### Compound: 3,3',4,4',5,5'-HxCB (PCB169) Average RunNumber 1 2 3 Mass_mg 0.0000000162 0.0000000129 0.0000000123 0.000 lb/mmBtuO2 1.60E-12 1.29E-12 1.20E-12 0.000 ng/dscm 1.88E-03 1.51E-03 1.41E-03 0.002 ng/dscm@7%O2 1.78E-03 1.44E-03 1.33E-03 0.002 

### Compound: 3,3',4,4',5-PeCB (PCB126) Average RunNumber 1 2 3 Mass_mg 0.0000000219 0.0000000151 0.0000000141 0.000 lb/mmBtuO2 2.16E-12 1.51E-12 1.38E-12 0.000 ng/dscm 2.54E-03 1.77E-03 1.62E-03 0.002 ng/dscm@7%O2 2.40E-03 1.69E-03 1.53E-03 0.002 

### Compound: 3,3',4,4'-TCB (PCB77) Average RunNumber 1 2 3 Mass_mg 0.0000000669 0.0000000156 0.0000000145 0.000 lb/mmBtuO2 6.60E-12 1.56E-12 1.42E-12 0.000 ng/dscm 7.75E-03 1.82E-03 1.66E-03 0.004 ng/dscm@7%O2 7.33E-03 1.73E-03 1.57E-03 0.004 

### Compound: 3,4,4',5-TCB (PCB81) Average RunNumber 1 2 3


### Thursday, January 20, 2011 Page 15 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 Mass_mg 0.0000000211 0.0000000151 0.0000000145 0.000 lb/mmBtuO2 2.08E-12 1.51E-12 1.42E-12 0.000 ng/dscm 2.45E-03 1.77E-03 1.66E-03 0.002 ng/dscm@7%O2 2.32E-03 1.69E-03 1.57E-03 0.002 

### Compound: OCDD Average RunNumber 1 2 3 Mass_mg 0.000000015 0.00000001 0.000000027 0.000 lb/mmBtuO2 1.48E-12 1.00E-12 2.64E-12 0.000 ng/dscm 1.74E-03 1.17E-03 3.10E-03 0.002 ng/dscm@7%O2 1.65E-03 1.11E-03 2.93E-03 0.002 

### Compound: OCDF Average RunNumber 1 2 3 Mass_mg 0.0000000085 0.0000000048 0.0000000071 0.000 lb/mmBtuO2 8.38E-13 4.81E-13 6.94E-13 0.000 ng/dscm 9.85E-04 5.62E-04 8.15E-04 0.001 ng/dscm@7%O2 9.31E-04 5.35E-04 7.71E-04 0.001 

### Compound: Total PCBs Average RunNumber 1 2 3 Mass_mg 0.0000005383 0.0000002351 0.0000002073 0.000 lb/mmBtuO2 5.31E-11 2.36E-11 2.03E-11 0.000 ng/dscm 6.24E-02 2.75E-02 2.38E-02 0.038 ng/dscm@7%O2 5.90E-02 2.62E-02 2.25E-02 0.036



### Location: Unit #2 Stack (EPN S2) - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 1.65E-03 7.50E-04 1.59E-03 0.001 ppm 1.06E+00 4.76E-01 1.02E+00 0.852 ppm@7%O2 1.00E+00 4.54E-01 9.66E-01 0.807



### Location: Unit #2 Stack (EPN S2) - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 1.883 2.852 3.618 2.784 lb/mmBtuO2 4.98E-04 7.59E-04 9.90E-04 0.001 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 8.401 9.442 11.529 9.791 lb/mmBtuO2 2.22E-03 2.51E-03 3.15E-03 0.003



### Location: Unit #2 Stack (EPN S2) - Method 29



### Thursday, January 20, 2011 Page 16 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.0082 0.0074 0.00616 0.007 lb/mmBtuO2 1.57E-06 1.55E-06 1.24E-06 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00804 0.00884 0.01574 0.011 lb/mmBtuO2 1.54E-06 1.85E-06 3.17E-06 0.000 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.00129 0.00132 0.002 0.002 lb/mmBtuO2 2.47E-07 2.76E-07 4.03E-07 0.000 

### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.0015 0.0015 0.00109 0.001 lb/mmBtuO2 2.87E-07 3.13E-07 2.19E-07 0.000 

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.03455 0.02105 0.45745 0.171 lb/mmBtuO2 6.62E-06 4.40E-06 9.21E-05 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.0076 0.0072 0.013 0.009 lb/mmBtuO2 1.46E-06 1.50E-06 2.62E-06 0.000 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.014 0.0153 0.0274 0.019 lb/mmBtuO2 2.68E-06 3.20E-06 5.51E-06 0.000 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.1099 0.0846 0.136 0.110 lb/mmBtuO2 2.11E-05 1.77E-05 2.74E-05 0.000 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.02802 0.01114 0.17854 0.073 lb/mmBtuO2 5.37E-06 2.33E-06 3.59E-05 0.000



### Thursday, January 20, 2011 Page 17 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 Compound: Phosphorus (yellow or white) Average RunNumber 1 2 3 Mass_mg 1.14101 1.24035 1.82168 1.401 lb/mmBtuO2 2.19E-04 2.59E-04 3.67E-04 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.2832 0.3986 0.4596 0.380 lb/mmBtuO2 5.43E-05 8.33E-05 9.25E-05 0.000



### Location: Unit #2 Stack (EPN S2) - Method 5 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 187.6 139.1 353 226.567 gr/dscf 1.85E-02 1.48E-02 3.65E-02 0.023 gr/dscf@7%O2 1.75E-02 1.41E-02 3.45E-02 0.022 lb/mmBtuO2 3.59E-02 2.91E-02 7.10E-02 0.045



### Location: Unit #2 Stack (EPN S2) - Method 6C 

### Compound: Sulfur Dioxide Average Run 1 2 3 lb/mmBtuO2 8.89E-01 7.65E-01 7.95E-01 0.816 ppm 3.92E+02 3.34E+02 3.50E+02 358.667 ppm@7%O2 3.70E+02 3.19E+02 3.31E+02 340.000



### Location: Unit #2 Stack (EPN S2) - Method 7E 

### Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 1.40E-01 1.21E-01 1.14E-01 0.125 ppm 8.60E+01 7.37E+01 6.98E+01 76.500 ppm@7%O2 8.12E+01 7.04E+01 6.61E+01 72.567



### Location: Unit #2 Stack (EPN S2) - OTM - 27/28 

### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 187.6 139.1 353 226.567 lb/mmBtuO2 3.98E-02 3.01E-02 7.85E-02 0.049 

### Compound: Filterable PM2.5 Average RunNumber 1 2 3 Mass_mg 566.6 69.9 104.1 246.867 lb/mmBtuO2 1.20E-01 1.51E-02 2.32E-02 0.053



### Thursday, January 20, 2011 Page 18 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010

Process Run Data Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 61 285.1 71 139.033 lb/mmBtuO2 1.30E-02 6.17E-02 1.58E-02 0.030 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 11 5.6 10.1 8.900 lb/mmBtuO2 2.34E-03 1.21E-03 2.25E-03 0.002 

### Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 259.6 429.8 434.1 374.500 lb/mmBtuO2 5.51E-02 9.30E-02 9.66E-02 0.082 

### Compound: Total PM2.5 Average RunNumber 1 2 3 Mass_mg 638.6 360.6 185.2 394.800 lb/mmBtuO2 1.36E-01 7.80E-02 4.12E-02 0.085



### Thursday, January 20, 2011 Page 19 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 Process Run Data



### Run Name Value UOM Comments Target Value 1 Coal Feed Rate 6.14 tons/min The set of tests began at 1035 on 04/27/10 and was completed at 1115 on 04/28/10. This is the average for that time period. 1 Heat Input 5590 MMBtu/hr The set of tests began at 1035 on 04/27/10 and was completed at 1115 on 04/28/10. This is the average for that time period. 

### 1 Steam Output 81.7 KPPH The set of tests began at 1035 on 04/27/10 and was completed at 1115 on 04/28/10. This is the average for that time period. 2 Coal Feed Rate 6.13 tons/min The set of tests began at 0939 on 04/28/10 and was completed at 0300 on 04/29/10. This is the average for that time period. 

### 2 Heat Input 5570 MMBtu/hr The set of tests began at 0939 on 04/28/10 and was completed at 0300 on 04/29/10. This is the average for that time period. 2 Steam Output 81.7 KPPH The set of tests began at 0939 on 04/28/10 and was completed at 0300 on 04/29/10. This is the average for that time period.

Thursday, January 20, 2011 Page 20 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010

APCD Run Data 3 Coal Feed Rate 6.09 tons/min The set of tests began at 0605 on 04/29/10 and was completed at 2039 on 04/29/10. This is the average for that time period. 3 Heat Input 5555 MMBtu/hr The set of tests began at 0605 on 04/29/10 and was completed at 2039 on 04/29/10. This is the average for that time period. 

### 3 Steam Output 81.9 KPPH The set of tests began at 0605 on 04/29/10 and was completed at 2039 on 04/29/10. This is the average for that time period.

Run Name Value UOM Comments Target Value 1 SELECTIVE NONCATALYTIC REDUCTION FOR NOX 40.5 PPH



### 2 SELECTIVE NONCATALYTIC REDUCTION FOR NOX 45.7 PPH

3 SELECTIVE NONCATALYTIC REDUCTION FOR NOX 53.7 PPH

1 ACTIVATED CARBON ADSORPTION 120 PPH
2 ACTIVATED CARBON ADSORPTION 101 PPH 

### 3 ACTIVATED CARBON ADSORPTION 106 PPH
1 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-1 INLET FIELD 5.6 kVA



### 2 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-1 INLET FIELD 5.3 kVA

3 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-1 INLET FIELD 5.7 kVA



### 1 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-1 MIDDLE FIELD 30.3 kVA

2 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-1 MIDDLE FIELD 30.5 kVA



### 3 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-1 MIDDLE FIELD 32 kVA

1 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-1 OUTLET FIELD 37 kVA



### Thursday, January 20, 2011 Page 21 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 2 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-1 OUTLET FIELD 35.6 kVA



### 3 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-1 OUTLET FIELD 38.9 kVA

1 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-2 INLET FIELD 21.1 kVA

2 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-2 INLET FIELD 18.7 kVA



### 3 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-2 INLET FIELD 18.4 kVA

1 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-2 MIDDLE FIELD 40.9 kVA



### 2 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-2 MIDDLE FIELD 34.9 kVA

3 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-2 MIDDLE FIELD 34.3 kVA



### 1 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-2 OUTLET FIELD 59.4 kVA

2 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-2 OUTLET FIELD 57.7 kVA



### 3 ELECTROSTATIC PRECIPITATOR SOUTH SIDE A BOX A-2 OUTLET FIELD 58.2 kVA

1 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-3 INLET FIELD 32.4 kVA



### 2 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-3 INLET FIELD 26.7 kVA

3 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-3 INLET FIELD 25.8 kVA



### 1 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-3 MIDDLE FIELD 61.2 kVA

2 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-3 MIDDLE FIELD 54.8 kVA



### 3 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-3 MIDDLE FIELD 54.1 kVA

1 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-3 OUTLET FIELD 58.7 kVA

2 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-3 OUTLET FIELD 58.4 kVA



### 3 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-3 OUTLET FIELD 58.4 kVA

1 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-4 INLET FIELD 15.1 kVA



### 2 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-4 INLET FIELD 12.9 kVA

3 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-4 INLET FIELD 13.1 kVA



### Thursday, January 20, 2011 Page 22 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010

Process Lab Run Data 1 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-4 MIDDLE FIELD 54.6 kVA



### 2 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-4 MIDDLE FIELD 50.6 kVA

3 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-4 MIDDLE FIELD 53.8 kVA

1 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-4 OUTLET FIELD 40.6 kVA



### 2 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-4 OUTLET FIELD 38.5 kVA

3 ELECTROSTATIC PRECIPITATOR NORTH SIDE B BOX B-4 OUTLET FIELD 43.9 kVA



### 1 BAGHOUSE A PRESSURE DROP 9 "H2O
2 BAGHOUSE A PRESSURE DROP 9 "H2O 3 BAGHOUSE A PRESSURE DROP 8.8 "H2O


### 1 BAGHOUSE B PRESSURE DROP 9 "H2O
2 BAGHOUSE B PRESSURE DROP 9 "H2O 3 BAGHOUSE B PRESSURE DROP 8.8 "H2O

Run Name ValueUOM Comments 

### 1 Fuel (Coal) Heating Value 7875Btu/lb (wet) 1 Fuel Moisture 31.24 % 1 Fuel Ash Content 7.44 % wet 

### 1 Volatile Matter 29.64 % wet 1 Fixed Carbon 31.68 % wet 1 Carbon 45.17 % wet 1 Sulfur 0.32 %wet 

### 1 Hydrogen 3.16 %wet 1 Nitrogen 0.64 %wet 1 Oxygen 12.03 %wet 

### 1 Antimony 2 dry ug/g 1 Arsenic 2 dry ug/g 1 Beryllium 0.4 dry ug/g 1 Cadmium 0.4 dry ug/g 

### 1 Chromium 9 dry ug/g 1 Cobalt 2 dry ug/g 1 Lead 4 dry ug/g 

### 1 Manganese 27 dry ug/g 1 Nickel 6 dry ug/g 1 Mercury 0.11 dry ug/g 1 Selenium 2 dry ug/g



### Thursday, January 20, 2011 Page 23 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 1 Total Chlorine 14 dry ug/g 

### 1 Total Fluorine 59 dry ug/g 2 Fuel (Coal) Heating Value 7622Btu/lb (wet) 2 Fuel Moisture 31.33 % 2 Fuel Ash Content 9.53 % wet 

### 2 Volatile Matter 29.16 % wet 2 Fixed Carbon 29.98 % wet 2 Carbon 43.55 % wet 

### 2 Sulfur 0.39 %wet 2 Hydrogen 3.15 %wet 2 Nitrogen 0.67 %wet 2 Oxygen 11.39 %wet 

### 2 Antimony 2 dry ug/g 2 Arsenic 2 dry ug/g 2 Beryllium 0.6 dry ug/g 

### 2 Cadmium 0.4 dry ug/g 2 Chromium 11 dry ug/g 2 Cobalt 2 dry ug/g 2 Lead 5 dry ug/g 

### 2 Manganese 47 dry ug/g 2 Nickel 7 dry ug/g 2 Mercury 0.16dry ug/g 

### 2 Selenium 3 dry ug/g 2 Total Chlorine 14 dry ug/g 2 Total Fluorine 75 dry ug/g 3 Fuel (Coal) Heating Value 7727Btu/lb (wet) 

### 3 Fuel Moisture 31.21 % 3 Fuel Ash Content 8.82 % wet 3 Volatile Matter 29.51 % wet 

### 3 Fixed Carbon 30.47 % wet 3 Carbon 44.22 % wet 3 Sulfur 0.42 %wet 3 Hydrogen 3.15 %wet 

### 3 Nitrogen 0.67 %wet 3 Oxygen 11.51 %wet 3 Antimony 2 dry ug/g 

### 3 Arsenic 2 dry ug/g 3 Beryllium 0.5 dry ug/g 3 Cadmium 0.4 dry ug/g 3 Chromium 11 dry ug/g 

### 3 Cobalt 2 dry ug/g 3 Lead 5 dry ug/g 3 Manganese 37 dry ug/g



### Thursday, January 20, 2011 Page 24 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 3 Nickel 7 dry ug/g 

### 3 Mercury 0.18dry ug/g 3 Selenium 3 dry ug/g 3 Total Chlorine 12 dry ug/g 3 Total Fluorine 77 dry ug/g



### Thursday, January 20, 2011 Page 25 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010 Sampling / Stack Data Results Detail


### LocationUnit #2 Stack (EPN S2) - Method 10 Average Run Number 1 2 3 Test Date 4/28/2010 4/29/2010 4/29/2010 Run Start Time 8:10:00 AM12:21:00 AM 5:10:00 PM Run Finish Time 10:33:00 AM2:41:00 AM 7:26:00 PM Carbon Dioxide, % 13.66 13.28 13.48 13.473 Oxygen, % 6.18 6.34 6.22 6.247 Fuel Factor 1.08 1.1 1.09 Dry Volumetric Flow Rate, dry scfm 1337930 1330471 12993551,322,585.3 33 F-Factor, dscfm/MMBtu @ %O2 9590 9590 95909,590.000 Moisture, % 11.36 11.76 11.8 11.640 Analyzer Make Thermo Thermo Thermo Analyzer Model 48l 48l 48l Analyzer Serial Number 77401385 77401385 7740138577,401,385. 000 Operating Range 1000 1000 1000 1,000.000 Operating Units ppm ppm ppm No. Readings/Avg. 1052 1040 1024 1,038.667 Calibration Set 1 1 1 1.000 Calibration Pre Zero Cylinder ID ALM004870- ZeroALM004870

-ZeroALM004870-

Zero Calibration Pre Zero Cylinder Instrument Response 0.09 0.12 0.18 0.130 Calibration Pre Zero Cylinder Bias 0 0 0.01 0.003 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID BLM005148- COBLM005148

-COBLM005148-

CO Calibration Pre High Cylinder Instrument Response 463.64 457.58 460.63 460.617 Calibration Pre High Cylinder Bias -0.06 -0.72 -0.39 -0.390 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM004870- ZeroALM004870

-ZeroALM004870-

Zero Calibration Post Zero Cylinder Instrument Response 0.11 0.16 0.52 0.263 Calibration Post Zero Cylinder Bias 0 0.01 0.05 0.020 Calibration Post Zero Cylinder Drift 0 0.01 0.04 0.017 Calibration Post High Cylinder ID BLM005148- COBLM005148

-COBLM005148-

CO Calibration Post High Cylinder Instrument Response 458.12 453.54 458.32 456.660 Calibration Post High Cylinder Bias -0.66 -1.15 -0.64 -0.817 Calibration Post High Cylinder Drift 0.6 0.43 0.25 0.427 Cavg 649.79 655.54 658.56 654.630 Cavg Units ppmvd ppmvd ppmvd Cgas 652.8202 666.3085 663.7653 660.965 Cgas Units ppmvd ppmvd ppmvd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 1910 0 0 636.667 Cgasw 0 0 0 0.000 Cgasw Units



### Thursday, January 20, 2011 Page 26 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - Method 23 Average Run Number 1 2 3 Test Date 4/27/2010 4/28/2010 4/29/2010 Run Start Time 9:35:00 AM11:50:00 AM 2:15:00 AM Run Finish Time 6:00:00 PM11:20:00 PM10:40:00 AM Net Traversing Points 48 48 48 Net Run Time, minutes 480 480 480 Nozzle Diameter, inches 0.195 0.193 0.193 0.194 Pitot Tube Coefficient 0.81 0.816 0.81 0.812 Dry Gas Meter Calibration Factor 0.985 0.985 0.985 0.985 Barometric Pressure, inches of Mercury 29.42 29.32 29.15 29.297 Average Orifice Meter Differential, inches H2O 1.39 1.45 1.41 1.417 Dry Gas Meter Volume Sampled, cubic feet 310.302 320.695 318.057 316.351 Average Dry Gas Meter Temperature, °F 62.47 83.32 65.75 70.513 Dry Gas Meter Volume Sampled, dscf 304.776 301.915 307.620 304.770 Total Moisture Liquid collected, g 828.6 853 871.8 851.133 Volume of Water Vapor, standard cubic feet 39.00 40.15 41.04 40.063 Moisture Content of Stack Gas, % 11.34 11.74 11.77 11.617 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8866 0.8826 0.8823 0.884 Carbon Dioxide, % 13.7 13.3 13.5 13.500 Oxygen, % 6.2 6.3 6.2 6.233 Carbon Monoxide & Nitrogen, % 80.1 80.4 80.3 80.267 Fuel Factor 1.07 1.10 1.09 Dry Molecular Weight, lb/lb-Mole 30.44 30.38 30.41 30.410 Wet Molecular weight, lb/lb-Mole 29.03 28.93 28.95 28.970 Flue Gas Static Pressure, inches of H2O -2.1 -2.1 -2.1 -2.100 Absolute Flue Gas Pressure, inches of Mercury 29.27 29.17 29.00 29.147 Average Stack Gas Temperature, °F 372.23 376.23 375.10 374.520 Average Velocity Head, inches of H2O 2.1291679809 43312.101348315

797522.046513226

72972 2.092
Average Stack Gas Velocity, feet/second 100.00 100.66 98.80 99.820 Stack Cross-Sectional Area, square feet 404.262 404.262 404.262 404.262 Dry Volumetric Flow Rate, dry scfm 1,334,730.5 1,326,532.9 1,295,744.11,319,002.5 00 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,425,572.02,441,580.8 2,396,465.12,421,205.9 67 Percent Isokinetic of Sampling Rate, % 92.7 94.4 98.4 95.167 Percent Excess Air, % 41.5 42.2 41.3 41.667 F-Factor, dscfm/MMBtu @ %O2 9590 9590 95909,590.000 Round Duct Diameter, inches 272.25 272.25 272.25 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 27 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - Method 25A Average Run Number 1 2 3 Test Date 4/28/2010 4/29/2010 4/29/2010 Run Start Time 8:10:00 AM12:21:00 AM 5:10:00 PM Run Finish Time 10:33:00 AM2:41:00 AM 7:26:00 PM Carbon Dioxide, % 13.66 13.28 13.48 13.473 Oxygen, % 6.18 6.34 6.22 6.247 Fuel Factor 1.08 1.1 1.09 Dry Volumetric Flow Rate, dry scfm 1337930 1330471 12993551,322,585.3 33 F-Factor, dscfm/MMBtu @ %O2 9590 9590 95909,590.000 Moisture, % 11.36 11.76 11.8 11.640 Analyzer Make VIG VIG VIG Analyzer Model 210 210 210 210.000 Analyzer Serial Number 1141002 1141002 11410021,141,002.0 00 Operating Range 100 100 100 100.000 Operating Units ppm ppm ppm No. Readings/Avg. 15 15 15 15.000 Calibration Set 4 4 4 4.000 Calibration Pre Zero Cylinder ID ALM004870- ZeroALM004870

-ZeroALM004870-

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 CC16756-CH4 CC16756- CH4 CC16756-

CH4 Calibration Pre High Cylinder Instrument Response 66.7 66.7 66.7 66.700 Calibration Pre High Cylinder Bias -0.13 -0.13 -0.13 -0.130 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM004870- ZeroALM004870

-ZeroALM004870-

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 CC16756-CH4 CC16756- CH4 CC16756-

CH4 Calibration Post High Cylinder Instrument Response 66.7 66.7 66.7 66.700 Calibration Post High Cylinder Bias -0.13 -0.13 -0.13 -0.130 Calibration Post High Cylinder Drift 0 0 0 0.000 Cavg 0.94 0.42 0.9 0.753 Cavg Units ppmvw ppmvw ppmvw Cgas 1.0605 0.476 1.0204 0.852 Cgas Units ppmvd ppmvd ppmvd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0.94 0.42 0.9 0.753 Cgasw Units ppmvw ppmvw ppmvw



### Thursday, January 20, 2011 Page 28 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - Method 26A Average Run Number 1 2 3 Test Date 4/27/2010 4/28/2010 4/29/2010 Run Start Time 7:01:00 PM5:09:00 PM 1:17:00 PM Run Finish Time 10:32:00 PM8:31:00 PM 4:47:00 PM Net Traversing Points 36 36 36 Net Run Time, minutes 180 180 180 Nozzle Diameter, inches 0.193 0.193 0.193 0.193 Pitot Tube Coefficient 0.81 0.816 0.816 0.814 Dry Gas Meter Calibration Factor 0.985 0.989 0.989 0.988 Barometric Pressure, inches of Mercury 29.36 29.22 29.08 29.220 Average Orifice Meter Differential, inches H2O 1.28 1.37 1.29 1.313 Dry Gas Meter Volume Sampled, cubic feet 115.910 120.578 117.530 118.006 Average Dry Gas Meter Temperature, °F 62.51 82.22 84.60 76.443 Dry Gas Meter Volume Sampled, dscf 113.575 113.798 109.888 112.420 Total Moisture Liquid collected, g 397.4 329 382 369.467 Volume of Water Vapor, standard cubic feet 18.71 15.49 17.98 17.393 Moisture Content of Stack Gas, % 14.14 11.98 14.06 13.393 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8586 0.8802 0.8594 0.866 Carbon Dioxide, % 13.7 13.3 13.5 13.500 Oxygen, % 6.2 6.3 6.2 6.233 Carbon Monoxide & Nitrogen, % 80.1 80.4 80.3 80.267 Fuel Factor 1.07 1.10 1.09 Dry Molecular Weight, lb/lb-Mole 30.44 30.38 30.41 30.410 Wet Molecular weight, lb/lb-Mole 28.68 28.90 28.67 28.750 Flue Gas Static Pressure, inches of H2O -1.6 -2.1 -2.1 -1.933 Absolute Flue Gas Pressure, inches of Mercury 29.24 29.07 28.93 29.080 Average Stack Gas Temperature, °F 383.42 390.53 394.42 389.457 Average Velocity Head, inches of H2O 2.0353319197 97572.114314694

858711.947130996

47251 2.032
Average Stack Gas Velocity, feet/second 99.07 102.06 98.80 99.977 Stack Cross-Sectional Area, square feet 404.262 404.262 404.262 404.262 Dry Volumetric Flow Rate, dry scfm 1,262,272.21,314,252.5 1,230,596.91,269,040.5 33 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,403,014.22,475,538.8 2,396,465.12,425,006.0 33 Percent Isokinetic of Sampling Rate, % 99.5 95.7 98.7 97.967 Percent Excess Air, % 41.5 42.2 41.3 41.667 F-Factor, dscfm/MMBtu @ %O2 9590 9590 95909,590.000 Round Duct Diameter, inches 272.25 272.25 272.25 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 29 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - Method 29 Average Run Number 1 2 3 Test Date 4/28/2010 4/28/2010 4/29/2010 Run Start Time 1:40:00 AM12:17:00 AM11:27:00 AM Run Finish Time 6:07:00 AM11:55:00 PM 4:20:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.193 0.193 0.193 0.193 Pitot Tube Coefficient 0.816 0.81 0.81 0.812 Dry Gas Meter Calibration Factor 0.989 0.985 0.985 0.986 Barometric Pressure, inches of Mercury 29.38 29.2 29.1 29.227 Average Orifice Meter Differential, inches H2O 1.38 1.28 1.43 1.363 Dry Gas Meter Volume Sampled, cubic feet 159.010 150.710 159.051 156.257 Average Dry Gas Meter Temperature, °F 61.54 69.58 80.63 70.583 Dry Gas Meter Volume Sampled, dscf 156.875 144.910 149.350 150.378 Total Moisture Liquid collected, g 385.1 436.5 458.2 426.600 Volume of Water Vapor, standard cubic feet 18.13 20.55 21.57 20.083 Moisture Content of Stack Gas, % 10.36 12.42 12.62 11.800 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8964 0.8758 0.8738 0.882 Carbon Dioxide, % 13.7 13.3 13.5 13.500 Oxygen, % 6.2 6.3 6.2 6.233 Carbon Monoxide & Nitrogen, % 80.1 80.4 80.3 80.267 Fuel Factor 1.07 1.10 1.09 Dry Molecular Weight, lb/lb-Mole 30.44 30.38 30.41 30.410 Wet Molecular weight, lb/lb-Mole 29.15 28.84 28.84 28.943 Flue Gas Static Pressure, inches of H2O -1.6 -1.9 -2.1 -1.867 Absolute Flue Gas Pressure, inches of Mercury 29.26 29.06 28.95 29.090 Average Stack Gas Temperature, °F 384.67 375.81 377.58 379.353 Average Velocity Head, inches of H2O 1.9927659345 3822.003748726

119862.062055417

001 2.020
Average Stack Gas Velocity, feet/second 98.00 97.89 99.60 98.497 Stack Cross-Sectional Area, square feet 404.262 404.262 404.262 404.262 Dry Volumetric Flow Rate, dry scfm 1,302,571.8 1,275,903.5 1,287,597.61,288,690.9 67 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,377,060.62,374,392.4 2,415,869.72,389,107.5 67 Percent Isokinetic of Sampling Rate, % 99.9 94.2 96.2 96.767 Percent Excess Air, % 41.5 42.2 41.3 41.667 F-Factor, dscfm/MMBtu @ %O2 9590 9590 95909,590.000 Round Duct Diameter, inches 272.25 272.25 272.25 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw Fc



### Thursday, January 20, 2011 Page 30 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - Method 5 Average Run Number 1 2 3 Test Date 4/28/2010 4/28/2010 4/29/2010 Run Start Time 1:40:00 AM12:17:00 AM11:27:00 AM Run Finish Time 6:07:00 AM11:55:00 PM 4:20:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.193 0.193 0.193 0.193 Pitot Tube Coefficient 0.816 0.81 0.81 0.812 Dry Gas Meter Calibration Factor 0.989 0.985 0.985 0.986 Barometric Pressure, inches of Mercury 29.38 29.2 29.1 29.227 Average Orifice Meter Differential, inches H2O 1.38 1.28 1.43 1.363 Dry Gas Meter Volume Sampled, cubic feet 159.010 150.710 159.051 156.257 Average Dry Gas Meter Temperature, °F 61.54 69.58 80.63 70.583 Dry Gas Meter Volume Sampled, dscf 156.875 144.910 149.350 150.378 Total Moisture Liquid collected, g 385.1 436.5 458.2 426.600 Volume of Water Vapor, standard cubic feet 18.13 20.55 21.57 20.083 Moisture Content of Stack Gas, % 10.36 12.42 12.62 11.800 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8964 0.8758 0.8738 0.882 Carbon Dioxide, % 13.7 13.3 13.5 13.500 Oxygen, % 6.2 6.3 6.2 6.233 Carbon Monoxide & Nitrogen, % 80.1 80.4 80.3 80.267 Fuel Factor 1.07 1.10 1.09 Dry Molecular Weight, lb/lb-Mole 30.44 30.38 30.41 30.410 Wet Molecular weight, lb/lb-Mole 29.15 28.84 28.84 28.943 Flue Gas Static Pressure, inches of H2O -1.6 -1.9 -2.1 -1.867 Absolute Flue Gas Pressure, inches of Mercury 29.26 29.06 28.95 29.090 Average Stack Gas Temperature, °F 384.67 375.81 377.58 379.353 Average Velocity Head, inches of H2O 1.9927659345 3822.003748726

119862.062055417

001 2.020
Average Stack Gas Velocity, feet/second 98.00 97.89 99.60 98.497 Stack Cross-Sectional Area, square feet 404.262 404.262 404.262 404.262 Dry Volumetric Flow Rate, dry scfm 1,302,571.8 1,275,903.5 1,287,597.61,288,690.9 67 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,377,060.62,374,392.4 2,415,869.72,389,107.5 67 Percent Isokinetic of Sampling Rate, % 99.9 94.2 96.2 96.767 Percent Excess Air, % 41.5 42.2 41.3 41.667 F-Factor, dscfm/MMBtu @ %O2 9590 9590 95909,590.000 Round Duct Diameter, inches 272.25 272.25 272.25 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 31 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - Method 6C Average Run Number 1 2 3 Test Date 4/27/2010 4/28/2010 4/29/2010 Run Start Time 9:35:00 AM10:56:00 AM 3:17:00 AM Run Finish Time 1:35:00 PM2:56:00 PM 7:17:00 AM Carbon Dioxide, % 13.66 13.28 13.48 13.473 Oxygen, % 6.18 6.34 6.22 6.247 Fuel Factor 1.08 1.1 1.09 Dry Volumetric Flow Rate, dry scfm 1337930 1330471 12993551,322,585.3 33 F-Factor, dscfm/MMBtu @ %O2 9590 9590 95909,590.000 Moisture, % 11.36 11.76 11.8 11.640 Analyzer Make WR WR WR Analyzer Model 721AT 721AT 721AT Analyzer Serial Number 94721M8216194721M8216 194721M8216

1 Operating Range 500 500 500 500.000 Operating Units ppm ppm ppm No. Readings/Avg. 1920 1920 1920 1,920.000 Calibration Set 2 2 2 2.000 Calibration Pre Zero Cylinder ID ALM004870- ZeroALM004870

-ZeroALM004870-

Zero Calibration Pre Zero Cylinder Instrument Response -0.3 3.76 1.93 1.797 Calibration Pre Zero Cylinder Bias 0.03 0.96 0.54 0.510 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM063610- SO2ALM063610

-SO2ALM063610-

SO2 Calibration Pre High Cylinder Instrument Response 242.7 248.6 245.58 245.627 Calibration Pre High Cylinder Bias -1.72 -0.37 -1.06 -1.050 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM004870- ZeroALM004870

-ZeroALM004870-

Zero Calibration Post Zero Cylinder Instrument Response 3.94 5.86 2.04 3.947 Calibration Post Zero Cylinder Bias 1 1.44 0.57 1.003 Calibration Post Zero Cylinder Drift 0.97 0.482.999999999 99999E-02 0.493
Calibration Post High Cylinder ID ALM063610- SO2ALM063610

-SO2ALM063610-

SO2 Calibration Post High Cylinder Instrument Response 247.47 246.17 243.98 245.873 Calibration Post High Cylinder Bias -0.63 -0.93 -1.43 -0.997 Calibration Post High Cylinder Drift 1.09 0.56 0.37 0.673 Cavg 380.7 326.46 339.43 348.863 Cavg Units ppmvd ppmvd ppmvd Cgas 392.4846 334.1474 350.2384 358.957 Cgas Units ppmvd ppmvd ppmvd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 1910 0 0 636.667 Cgasw 0 0 0 0.000 Cgasw Units



### Thursday, January 20, 2011 Page 32 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - Method 7E Average Run Number 1 2 3 Test Date 4/27/2010 4/28/2010 4/29/2010 Run Start Time 9:35:00 AM10:56:00 AM 3:17:00 AM Run Finish Time 1:35:00 PM2:56:00 PM 7:17:00 AM Carbon Dioxide, % 13.66 13.28 13.48 13.473 Oxygen, % 6.18 6.34 6.22 6.247 Fuel Factor 1.08 1.1 1.09 Dry Volumetric Flow Rate, dry scfm 1337930 1330471 12993551,322,585.3 33 F-Factor, dscfm/MMBtu @ %O2 9590 9590 95909,590.000 Moisture, % 11.36 11.76 11.8 11.640 Analyzer Make Thermo Thermo Thermo Analyzer Model 42l 42l 42l Analyzer Serial Number 503010323 503010323 503010323503,010,323 .000 Operating Range 100 100 100 100.000 Operating Units ppm ppm ppm No. Readings/Avg. 1920 1920 1920 1,920.000 Calibration Set 3 3 3 3.000 Calibration Pre Zero Cylinder ID ALM004870- ZeroALM004870

-ZeroALM004870-

Zero Calibration Pre Zero Cylinder Instrument Response 0.21 0.07 -0.02 0.087 Calibration Pre Zero Cylinder Bias 0.23 0.09 0 0.107 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID ALM026327- NoxALM026327

-NoxALM026327-

Nox Calibration Pre High Cylinder Instrument Response 44.14 44.2 46.31 44.883 Calibration Pre High Cylinder Bias -0.19 -0.13 1.98 0.553 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID ALM004870- ZeroALM004870

-ZeroALM004870-

Zero Calibration Post Zero Cylinder Instrument Response -0.02 -0.02 0.17 0.043 Calibration Post Zero Cylinder Bias 0 0 0.19 0.063 Calibration Post Zero Cylinder Drift 0.23 0.09 0.19 0.170 Calibration Post High Cylinder ID ALM026327- NoxALM026327

-NoxALM026327-

Nox Calibration Post High Cylinder Instrument Response 45.22 46.2 46.51 45.977 Calibration Post High Cylinder Bias 0.89 1.87 2.18 1.647 Calibration Post High Cylinder Drift 1.08 2 0.2 1.093 Cavg 84.94 73.71 71.62 76.757 Cavg Units ppmvd ppmvd ppmvd Cgas 86.0153 73.7258 69.7925 76.511 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 33 of 33

### Luminant Power Monticello Mt. Pleasant, TX
9/2/2010
LocationUnit #2 Stack (EPN S2) - OTM - 27/28 Average Run Number 1 2 3 Test Date 4/27/2010 4/28/2010 4/29/2010 Run Start Time 9:35:00 AM8:39:00 AM 5:05:00 AM Run Finish Time 4:42:45 PM3:37:15 PM11:47:00 AM Net Traversing Points 47 44 36 Net Run Time, minutes 427.75 418.25 402 Nozzle Diameter, inches 0.135 0.135 0.135 0.135 Pitot Tube Coefficient 0.816 0.816 0.816 0.816 Dry Gas Meter Calibration Factor 0.989 0.989 0.989 0.989 Barometric Pressure, inches of Mercury 29.42 29.42 29.13 29.323 Average Orifice Meter Differential, inches H2O 0.35 0.35 0.35 0.350 Dry Gas Meter Volume Sampled, cubic feet 144.319 145.633 139.951 143.301 Average Dry Gas Meter Temperature, °F 64.00 74.85 67.07 68.640 Dry Gas Meter Volume Sampled, dscf 141.541 139.933 135.114 138.863 Total Moisture Liquid collected, g 342.1 387.5 375.7 368.433 Volume of Water Vapor, standard cubic feet 16.10 18.24 17.68 17.340 Moisture Content of Stack Gas, % 10.21 11.53 11.57 11.103 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8979 0.8847 0.8843 0.889 Carbon Dioxide, % 13.7 13.3 13.5 13.500 Oxygen, % 6.2 6.3 6.2 6.233 Carbon Monoxide & Nitrogen, % 80.1 80.4 80.3 80.267 Fuel Factor 1.07 1.10 1.09 Dry Molecular Weight, lb/lb-Mole 30.44 30.38 30.41 30.410 Wet Molecular weight, lb/lb-Mole 29.17 28.95 28.97 29.030 Flue Gas Static Pressure, inches of H2O -2.1 -2.1 -2.1 -2.100 Absolute Flue Gas Pressure, inches of Mercury 29.27 29.27 28.98 29.173 Average Stack Gas Temperature, °F 391.28 391.57 389.44 390.763 Average Velocity Head, inches of H2O 2.1497839348 66812.085100815

943752.004977963

92866 2.080
Average Stack Gas Velocity, feet/second 102.13 100.98 99.36 100.823 Stack Cross-Sectional Area, square feet 404.262 404.262 404.262 404.262 Dry Volumetric Flow Rate, dry scfm 1,349,640.5 1,314,378.0 1,283,108.51,315,709.0 00 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,477,236.72,449,342.6 2,410,048.32,445,542.5 33 Percent Isokinetic of Sampling Rate, % 99.7 103.5 106.5 103.233 Percent Excess Air, % 41.5 42.2 41.3 41.667 F-Factor, dscfm/MMBtu @ %O2 9590 9590 95909,590.000 Round Duct Diameter, inches 272.25 272.25 272.25 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 34 of 33