### 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: 8/20/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## Luminant, Oak Grove Unit 1, Franklin, 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.

Monday, January 31, 2011 Page 1 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010 Facility Information:
Oak Grove Steam Electric Station 8127 Oak Grove Road

Franklin TX 77856 Contact: Craig Birkenfeld Phone: 214-875-8326 Fax: 214-875-8333 Email: craigbirkenfeld@luminant.com Testing Company:
METCO Environmental P.O. Box 598

Addison TX 75001 Contact: Mike Hutcherson-Project Manager Phone: 972-931-7127 Fax: 972-931-8398 Email: mhutcherson@metcoenv.com

Air Permit Number: 6180 Permitted Source ID/Name: Unit 1 Boiler E-OGU1 Permitted Maximum Process Rate: 8,970 MMBtu/hr 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 lignite coal. SCR with anhydrous ammonia for NOx control, followed by Activated Carbon Injection for mercury control, then Baghouse for PM control, then wet Scrubber for SO2 control. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 4839500008 FRS #: 110034504757

SCC / Description 10100302 External Combustion Boilers - Electric Generation - Lignite - Pulverized Coal: Dry Bottom, Tangential Fired

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 #1 Stack 391 1884 1236 4 0 6 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 #1 Stack

Total organic compounds

(TOC) as Propane Method 25A 3 120 0 Apx time; the actual time varied from run to run. Unit #1 Stack

Hydrogen Fluoride Method 26A 3 192 0 Unit #1 Stack Hydrogen Chloride Method 26A 3 192 0 Unit #1 Stack



### Monday, January 31, 2011 Page 2 of 20

### Luminant, Oak Grove Unit 1, Franklin, 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.

Cobalt Method 29 3 240 0 Unit #1 Stack Selenium Method 29 3 240 0 Unit #1 Stack Nickel Method 29 3 240 0 Unit #1 Stack Manganese Method 29 3 240 0 Unit #1 Stack Arsenic Method 29 3 240 0 Unit #1 Stack Chromium Method 29 3 240 0 Unit #1 Stack Beryllium Method 29 3 240 0 Unit #1 Stack Cadmium Method 29 3 240 0 Unit #1 Stack Lead Method 29 3 240 0 Unit #1 Stack Phosphorus (yellow or white) Method 29 3 240 0 Unit #1 Stack Antimony Method 29 3 240 0 Unit #1 Stack Inorganic (Aqueous)

Condensible Part. Method 5/OTM-28 3 240 0 Unit #1 Stack
Organic Condensible

Particulate Method 5/OTM-28 3 240 0 Unit #1 Stack

Total Particulate Method 5/OTM-28 3 240 0 Unit #1 Stack Filterable Particulate Method 5/OTM-28 3 240 0 Unit #1 Stack Sulfur Dioxide Method 6C 3 240 0 Unit #1 Stack Nitrogen oxides (NOx) Method 7E 3 240 0 Unit #1 Stack



### Monday, January 31, 2011 Page 3 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010 Sampling / Stack Data Results Summary


### Location Unit #1 Stack - Method 10 Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type Fw Fc



### Location Unit #1 Stack - Method 25A Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type Fw Fc



### Monday, January 31, 2011 Page 4 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010
Location Unit #1 Stack - Method 26A Average Run Number 1 2 3 Test Date 5/18/2010 5/19/2010 5/20/2010 Run Start Time 10:20:00 AM 8:05:00 AM 8:12:00 AM

Run Finish Time 1:52:00 PM 11:51:00 AM 11:44:00 AM

Net Run Time, minutes 192 192 192 Dry Gas Meter Volume Sampled, dscf 137.264 131.545 135.165 134.658 Moisture Content of Stack Gas, % 23.02 22.74 23.26 23.007 Moisture Saturation at Stack Gas Temperature, % 22.29 21.85 21.85 21.997 Carbon Dioxide, % 13.4 15.2 15.1 14.567 Oxygen, % 6.2 4.5 4.5 5.067 Average Stack Gas Temperature, °F 144.00 143.00 143.00 143.333 Dry Volumetric Flow Rate, dry scfm 1,809,520.2 1,772,578.2 1,809,463.9 1,797,187.43 3 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,733,150.9 2,671,613.7 2,728,147.9 2,710,970.83 3 Percent Isokinetic of Sampling Rate, % 95.9 94.5 95.2 95.200 F-Factor, dscfm/MMBtu @ %O2 9860 9860 9860 9,860.000 Fw 11950 11950 11950 11,950.000 Fc 1910 1910 1910 1,910.000



### Monday, January 31, 2011 Page 5 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010
Location Unit #1 Stack - Method 29 Average Run Number Test Date Run Start Time Run Finish Time Net Run Time, minutes Dry Gas Meter Volume Sampled, dscf Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, % Carbon Dioxide, % Oxygen, % Average Stack Gas Temperature, °F Dry Volumetric Flow Rate, dry scfm Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, % F-Factor, dscfm/MMBtu @ %O2 Fw Fc



### Location Unit #1 Stack - Method 5/OTM-28 Average Run Number Test Date Run Start Time Run Finish Time Net Run Time, minutes Dry Gas Meter Volume Sampled, dscf Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, % Carbon Dioxide, % Oxygen, % Average Stack Gas Temperature, °F Dry Volumetric Flow Rate, dry scfm Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, % F-Factor, dscfm/MMBtu @ %O2 Fw Fc



### Monday, January 31, 2011 Page 6 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010
Location Unit #1 Stack - Method 6C Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type Fw Fc



### Location Unit #1 Stack - Method 7E Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Fuel Type Fw Fc



### Monday, January 31, 2011 Page 7 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010 Emissions Summary


### Location: Unit #1 Stack - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 lb/mmBtuO2 1.22E-01 8.69E-02 1.02E-01 0.104 ppm 1.35E+02 9.55E+01 1.13E+02 114.500 ppm@7%O2 1.14E+02 8.06E+01 9.51E+01 96.567



### Location: Unit #1 Stack - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 lb/mmBtuO2 1.77E-05 1.78E-05 2.18E-03 0.001 ppm 1.24E-02 1.24E-02 1.53E+00 0.518 ppm@7%O2 1.04E-02 1.05E-02 1.29E+00 0.437



### Location: Unit #1 Stack - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.419 0.872 0.404 0.565 lb/mmBtuO2 9.43E-05 1.84E-04 8.28E-05 0.000 

### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.429 0.47 0.414 0.438 lb/mmBtuO2 9.66E-05 9.90E-05 8.48E-05 0.000



### Location: Unit #1 Stack - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.0083 0.0039 0.0069 0.006 lb/mmBtuO2 2.11E-06 6.55E-07 1.14E-06 0.000 

### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00174 0.00174 0.0012 0.002 lb/mmBtuO2 4.42E-07 2.92E-07 1.98E-07 0.000 

### Compound: Beryllium Average RunNumber 1 2 3 Mass_mg 0.001 0.001 0.001 0.001 lb/mmBtuO2 2.54E-07 1.68E-07 1.65E-07 0.000



### Monday, January 31, 2011 Page 8 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010 Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.0015 0.0015 0.0015 0.002 lb/mmBtuO2 3.81E-07 2.52E-07 2.48E-07 0.000 

### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.03324 0.02099 0.00061 0.018 lb/mmBtuO2 8.44E-06 3.53E-06 1.01E-07 0.000 

### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.0088 0.0064 0.01 0.008 lb/mmBtuO2 2.23E-06 1.08E-06 1.65E-06 0.000 

### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.00238 0.00237 0.00257 0.002 lb/mmBtuO2 6.04E-07 3.98E-07 4.25E-07 0.000 

### Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.01399 0.01099 0.0021 0.009 lb/mmBtuO2 3.55E-06 1.85E-06 3.47E-07 0.000 

### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.0756 0.0255 0.00182 0.034 lb/mmBtuO2 1.92E-05 4.28E-06 3.01E-07 0.000 

### Compound: Phosphorus (yellow or white) Average RunNumber 1 2 3 Mass_mg 0.04699 0.06114 0.02983 0.046 lb/mmBtuO2 1.19E-05 1.03E-05 4.93E-06 0.000 

### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.0219 0.0291 0.0386 0.030 lb/mmBtuO2 5.56E-06 4.89E-06 6.38E-06 0.000



### Location: Unit #1 Stack - Method 5/OTM-28 

### Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 74.3 41.4 29.6 48.433


### Monday, January 31, 2011 Page 9 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010

Process Run Data Elb/hr 1.07E+02 5.86E+01 4.16E+01 69.067 gr/dscf 6.75E-03 3.84E-03 2.71E-03 0.004 lb/mmBtuO2 1.35E-02 6.90E-03 4.86E-03 0.008 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 32.7 39.6 6.3 26.200 Elb/hr 4.73E+01 5.61E+01 8.86E+00 37.420 gr/dscf 2.97E-03 3.68E-03 5.77E-04 0.002 lb/mmBtuO2 5.95E-03 6.60E-03 1.04E-03 0.005 

### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 2.3 2.5 49.7 18.167 Elb/hr 3.33E+00 3.54E+00 6.99E+01 25.590 gr/dscf 2.09E-04 2.32E-04 4.55E-03 0.002 lb/mmBtuO2 4.19E-04 4.17E-04 8.17E-03 0.003 

### Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 107.3 81.5 54 80.933 Elb/hr 1.55E+02 1.15E+02 7.60E+01 115.333 gr/dscf 9.75E-03 7.57E-03 4.94E-03 0.007 lb/mmBtuO2 1.95E-02 1.36E-02 8.87E-03 0.014



### Location: Unit #1 Stack - Method 6C Compound: Sulfur Dioxide Average Run 1 2 3 lb/mmBtuO2 2.46E-02 7.03E-02 7.41E-02 0.056 ppm 1.05E+01 3.37E+01 3.55E+01 26.567 ppm@7%O2 9.94E+00 2.85E+01 3.01E+01 22.847



### Location: Unit #1 Stack - Method 7E Compound: Nitrogen oxides (NOx) Average Run 1 2 3 lb/mmBtuO2 6.91E-02 6.30E-02 6.01E-02 0.064 ppm 4.13E+01 4.21E+01 4.01E+01 41.167 ppm@7%O2 3.91E+01 3.56E+01 3.40E+01 36.233



### Monday, January 31, 2011 Page 10 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010 Process Run Data

APCD Run Data 

### Run Name Value UOM Comments Target Value 1 Heat Input 8618 MMBtu/hr


### 2 Heat Input 8556 MMBtu/hr
3 Heat Input 8693 MMBtu/hr
1 Steam Output 5918 KPPH


### 2 Steam Output 5822 KPPH 3 Steam Output 5858 KPPH
1 Coal Feed Rate 553 tons/hour


### 2 Coal Feed Rate 560 tons/hour
3 Coal Feed Rate 568 tons/hour



### Run Name Value UOM Comments Target Value 4 SCR (SELECTIVE CATALYTIC REDUCTION) - 1A 308 PPH

5 SCR (SELECTIVE CATALYTIC REDUCTION) - 1A 308 PPH



### 6 SCR (SELECTIVE CATALYTIC REDUCTION) - 1A 312 PPH

4 SCR (SELECTIVE CATALYTIC REDUCTION) - 1B 306 PPH



### 5 SCR (SELECTIVE CATALYTIC REDUCTION) - 1B 272 PPH

6 SCR (SELECTIVE CATALYTIC REDUCTION) - 1B 289 PPH



### 4 ACTIVATED CARBON ADSORPTION 397 PPH 5 ACTIVATED CARBON ADSORPTION 279 PPH
6 ACTIVATED CARBON ADSORPTION 367 PPH


### 4 BAGHOUSE A PRESSURE DROP 8.1 "H2O 5 BAGHOUSE A PRESSURE DROP 8.3 "H2O
6 BAGHOUSE A PRESSURE DROP 8.4 "H2O


### 4 BAGHOUSE B PRESSURE DROP 8.6 "H2O 5 BAGHOUSE B PRESSURE DROP 8.5 "H2O
6 BAGHOUSE B PRESSURE DROP 8.6 "H2O


### 4 Wet Scrubber (Average Absorber Bleed PH) 6 PH 5 Wet Scrubber (Average Absorber Bleed PH) 5.9 PH
6 Wet Scrubber (Average Absorber Bleed PH) 5.9 PH



### Monday, January 31, 2011 Page 11 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010

Process Lab Run Data 4 Wet Scrubber (Limestone Slurry Injection Rate) 271 GPM 

### 5 Wet Scrubber (Limestone Slurry Injection Rate) 269 GPM
6 Wet Scrubber (Limestone Slurry Injection Rate) 246 GPM



### Run Name Value UOM Comments 1 Fuel (Coal) Heating Value 10292 Btu/lb (dry) 

### 2 Fuel (Coal) Heating Value 9402 Btu/lb (dry) 3 Fuel (Coal) Heating Value 10023 Btu/lb (dry) 1 Fuel Moisture 31.58 % 

### 2 Fuel Moisture 31.19 % 3 Fuel Moisture 31.69 % 1 Fuel Ash Content 19.72 % dry 2 Fuel Ash Content 25.42 % dry 

### 3 Fuel Ash Content 21.47 % dry 1 Volatile Matter 43.36 % dry 2 Volatile Matter 41.8 % dry 

### 3 Volatile Matter 42.97 % dry 1 Fixed Carbon 36.92 % dry 2 Fixed Carbon 32.78 % dry 3 Fixed Carbon 35.56 % dry 

### 1 Carbon 57.22 % dry 2 Carbon 53.68 % dry 3 Carbon 57.41 % dry 

### 1 Sulfur 1.24 % dry 2 Sulfur 1.26 % dry 3 Sulfur 1.3 % dry 1 Hydrogen 4.41 % dry 

### 2 Hydrogen 4.24 % dry 3 Hydrogen 4.56 % dry 1 Nitrogen 1.02 % dry 

### 2 Nitrogen 0.96 % dry 3 Nitrogen 1.03 % dry 1 Oxygen 16.39 % dry 2 Oxygen 14.44 % dry 

### 3 Oxygen 14.23 % dry 1 Antimony 1 dry ug/g 2 Antimony 1 dry ug/g 

### 3 Antimony 1 dry ug/g 1 Arsenic 1 dry ug/g 2 Arsenic 1 dry ug/g 3 Arsenic 2 dry ug/g



### Monday, January 31, 2011 Page 12 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010 1 Beryllium 0.6 dry ug/g 

### 2 Beryllium 0.4 dry ug/g 3 Beryllium 0.9 dry ug/g 1 Cadmium 0.2 dry ug/g 2 Cadmium 0.2 dry ug/g 

### 3 Cadmium 0.2 dry ug/g 1 Chromium 10 dry ug/g 2 Chromium 6 dry ug/g 

### 3 Chromium 15 dry ug/g 1 Cobalt 2 dry ug/g 2 Cobalt 1 dry ug/g 3 Cobalt 2 dry ug/g 

### 1 Lead 5 dry ug/g 2 Lead 3 dry ug/g 3 Lead 7 dry ug/g 

### 1 Manganese 75 dry ug/g 2 Manganese 49 dry ug/g 3 Manganese 116 dry ug/g 1 Nickel 8 dry ug/g 

### 2 Nickel 3 dry ug/g 3 Nickel 9 dry ug/g 1 Mercury 0.19 dry ug/g 

### 2 Mercury 0.22 dry ug/g 3 Mercury 0.22 dry ug/g 1 Selenium 6 dry ug/g 2 Selenium 7 dry ug/g 

### 3 Selenium 6 dry ug/g 1 Total Chlorine 100 dry ug/g 2 Total Chlorine 130 dry ug/g 

### 3 Total Chlorine 120 dry ug/g 1 Total Fluorine 67 dry ug/g 2 Total Fluorine 110 dry ug/g 3 Total Fluorine 74 dry ug/g



### Monday, January 31, 2011 Page 13 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010 Sampling / Stack Data Results Detail


### Location Unit #1 Stack - Method 10 Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



### Monday, January 31, 2011 Page 14 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010
Location Unit #1 Stack - Method 25A Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



### Monday, January 31, 2011 Page 15 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010
Location Unit #1 Stack - Method 26A Average Run Number 1 2 3 Test Date 5/18/2010 5/19/2010 5/20/2010 Run Start Time 10:20:00 AM 8:05:00 AM 8:12:00 AM Run Finish Time 1:52:00 PM 11:51:00 AM 11:44:00 AM Net Traversing Points 48 48 48 Net Run Time, minutes 192 192 192 Nozzle Diameter, inches 0.251 0.25 0.25 0.250 Pitot Tube Coefficient 0.825 0.825 0.825 0.825 Dry Gas Meter Calibration Factor 1.003 1.003 1.003 1.003 Barometric Pressure, inches of Mercury 29.23 29.08 29.07 29.127 Average Orifice Meter Differential, inches H2O 1.84 1.63 1.79 1.753 Dry Gas Meter Volume Sampled, cubic feet 145.914 139.927 144.336 143.392 Average Dry Gas Meter Temperature, °F 92.52 89.77 91.94 91.410 Dry Gas Meter Volume Sampled, dscf 137.264 131.545 135.165 134.658 Total Moisture Liquid collected, g 871.8 822.4 870.2 854.800 Volume of Water Vapor, standard cubic feet 41.04 38.71 40.96 40.237 Moisture Content of Stack Gas, % 23.02 22.74 23.26 23.007 Moisture Saturation at Stack Gas Temperature, % 22.29 21.85 21.85 21.997 Dry Mole Fraction 0.7771 0.7815 0.7815 0.780 Carbon Dioxide, % 13.4 15.2 15.1 14.567 Oxygen, % 6.2 4.5 4.5 5.067 Carbon Monoxide & Nitrogen, % 80.4 80.3 80.4 80.367 Fuel Factor 1.10 1.08 1.09 Dry Molecular Weight, lb/lb-Mole 30.39 30.61 30.60 30.533 Wet Molecular weight, lb/lb-Mole 27.76 28.01 28.10 27.957 Flue Gas Static Pressure, inches of H2O -0.9 -0.9 -0.9 -0.900 Absolute Flue Gas Pressure, inches of Mercury 29.16 29.01 29.00 29.057 Average Stack Gas Temperature, °F 144.00 143.00 143.00 143.333 Average Velocity Head, inches of H2O 0.8040804129 73623 0.772395648

267707 0.807899867

642307 0.795
Average Stack Gas Velocity, feet/second 54.63 53.40 54.53 54.187 Stack Cross-Sectional Area, square feet 833.837 833.837 833.837 833.837 Dry Volumetric Flow Rate, dry scfm 1,809,520.2 1,772,578.2 1,809,463.9 1,797,187.4 33 Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,733,150.9 2,671,613.7 2,728,147.9 2,710,970.8 33 Percent Isokinetic of Sampling Rate, % 95.9 94.5 95.2 95.200 Percent Excess Air, % 41.3 26.9 26.9 31.700 F-Factor, dscfm/MMBtu @ %O2 9860 9860 9860 9,860.000 Round Duct Diameter, inches 391 391 391 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 11950 11950 11950 11,950.000 Fc 1910 1910 1910 1,910.000



### Monday, January 31, 2011 Page 16 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010
Location Unit #1 Stack - Method 29 Average Run Number Test Date Run Start Time Run Finish Time Net Traversing Points Net Run Time, minutes Nozzle Diameter, inches Pitot Tube Coefficient Dry Gas Meter Calibration Factor Barometric Pressure, inches of Mercury Average Orifice Meter Differential, inches H2O Dry Gas Meter Volume Sampled, cubic feet Average Dry Gas Meter Temperature, °F Dry Gas Meter Volume Sampled, dscf Total Moisture Liquid collected, g Volume of Water Vapor, standard cubic feet Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, % Dry Mole Fraction Carbon Dioxide, % Oxygen, % Carbon Monoxide & Nitrogen, % Fuel Factor Dry Molecular Weight, lb/lb-Mole Wet Molecular weight, lb/lb-Mole Flue Gas Static Pressure, inches of H2O Absolute Flue Gas Pressure, inches of Mercury Average Stack Gas Temperature, °F Average Velocity Head, inches of H2O Average Stack Gas Velocity, feet/second Stack Cross-Sectional Area, square feet Dry Volumetric Flow Rate, dry scfm Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, % Percent Excess Air, % F-Factor, dscfm/MMBtu @ %O2 Round Duct Diameter, inches Rectangular Duct Width, inches Rectangular Duct Length, inches Fw Fc



### Monday, January 31, 2011 Page 17 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010
Location Unit #1 Stack - Method 5/OTM-28 Average Run Number Test Date Run Start Time Run Finish Time Net Traversing Points Net Run Time, minutes Nozzle Diameter, inches Pitot Tube Coefficient Dry Gas Meter Calibration Factor Barometric Pressure, inches of Mercury Average Orifice Meter Differential, inches H2O Dry Gas Meter Volume Sampled, cubic feet Average Dry Gas Meter Temperature, °F Dry Gas Meter Volume Sampled, dscf Total Moisture Liquid collected, g Volume of Water Vapor, standard cubic feet Moisture Content of Stack Gas, % Moisture Saturation at Stack Gas Temperature, % Dry Mole Fraction Carbon Dioxide, % Oxygen, % Carbon Monoxide & Nitrogen, % Fuel Factor Dry Molecular Weight, lb/lb-Mole Wet Molecular weight, lb/lb-Mole Flue Gas Static Pressure, inches of H2O Absolute Flue Gas Pressure, inches of Mercury Average Stack Gas Temperature, °F Average Velocity Head, inches of H2O Average Stack Gas Velocity, feet/second Stack Cross-Sectional Area, square feet Dry Volumetric Flow Rate, dry scfm Actual Wet Volumetric Flue Gas Flow Rate, acfm Percent Isokinetic of Sampling Rate, % Percent Excess Air, % F-Factor, dscfm/MMBtu @ %O2 Round Duct Diameter, inches Rectangular Duct Width, inches Rectangular Duct Length, inches Fw Fc



### Monday, January 31, 2011 Page 18 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010
Location Unit #1 Stack - Method 6C Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



### Monday, January 31, 2011 Page 19 of 20

### Luminant, Oak Grove Unit 1, Franklin, TX
9/2/2010
Location Unit #1 Stack - Method 7E Average Run Number Test Date Run Start Time Run Finish Time Carbon Dioxide, % Oxygen, % Fuel Factor Dry Volumetric Flow Rate, dry scfm F-Factor, dscfm/MMBtu @ %O2 Moisture, % Analyzer Make Analyzer Model Analyzer Serial Number Operating Range Operating Units No. Readings/Avg. Calibration Set Calibration Pre Zero Cylinder ID Calibration Pre Zero Cylinder Instrument Response Calibration Pre Zero Cylinder Bias Calibration Pre Zero Cylinder Drift Calibration Pre High Cylinder ID Calibration Pre High Cylinder Instrument Response Calibration Pre High Cylinder Bias Calibration Pre High Cylinder Drift Calibration Post Zero Cylinder ID Calibration Post Zero Cylinder Instrument Response Calibration Post Zero Cylinder Bias Calibration Post Zero Cylinder Drift Calibration Post High Cylinder ID Calibration Post High Cylinder Instrument Response Calibration Post High Cylinder Bias Calibration Post High Cylinder Drift Cavg Cavg Units Cgas Cgas Units Fuel Type Fw Fc Cgasw Cgasw Units



### Monday, January 31, 2011 Page 20 of 20