### Name: Gregory D. Smith

Title: Plant Manager Company: Public Service Company of New Mexi Sign Date: 12/7/2010 Name: Karl G. Breuer Title: Technical Report Writer Company: Air Pollution Testing, Inc. Sign Date: 6/30/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## San Juan Generating Station Unit 1

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.

Saturday, February 26, 2011 Page 1 of 24

### San Juan Generating Station Unit 1

12/7/2010 Facility Information:

San Juan Unit 1 6800 North County Road

Waterflow NM 87421
Contact: Rod Seagle

Phone: (598) 505-7529

Fax: (505) 598-7247

Email: rodney.seagle@pnmresources.com Testing Company:
Air Pollution Testing, Inc.

5530 Marshall Street

Arvada CO 80002
Contact: Scott Bouchard

Phone: (303) 420-5949

Fax:

Email: sbouchard@airtest.net

Air Permit Number:
P062R1M1 Permitted Source ID/Name: San Juan Generating Station SJGS 1

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:
Coal fired generating unit burning subbituminuous coal. Controls include, Baghouse, Activated Carbon Injection, and an FGD. Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information: AFS #: 110000600868 FRS #: 110000600868

SCC / Description 10100222 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 1Stack House 255 8.47 4.23 4 0 24 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Hydrogen Chloride Method 26A 3 180 0 Unit 1Stack House Hydrogen Fluoride Method 26A 3 180 0 Unit 1Stack House Chromium Method 29 3 240 0 Unit 1Stack House



### Saturday, February 26, 2011 Page 2 of 24

### San Juan Generating Station Unit 1

12/7/2010

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.
No deviations were implemented as part of this test program.

Antimony Method 29 3 240 0 Unit 1Stack House Cadmium Method 29 3 240 0 Unit 1Stack House Cobalt Method 29 3 240 0 Unit 1Stack House Lead Method 29 3 240 0 Unit 1Stack House Manganese Method 29 3 240 0 Unit 1Stack House Nickel Method 29 3 240 0 Unit 1Stack House Selenium Method 29 3 240 0 Unit 1Stack House Arsenic Method 29 3 240 0 Unit 1Stack House Co2 Method 3A CO2 10 60 0 Unit 1Stack House O2 Method 3A O2 10 60 0 Unit 1Stack House Organic Condensible

Particulate Method 5/OTM-28 3 240 0 Unit 1Stack House Inorganic (Aqueous)

Condensible Part. Method 5/OTM-28 3 240 0 Unit 1Stack House Filterable Particulate Method 5/OTM-28 3 240 0 Unit 1Stack House Total Particulate Method 5/OTM-28 3 240 0 Unit 1Stack House



### Saturday, February 26, 2011 Page 3 of 24

### San Juan Generating Station Unit 1

12/7/2010 Sampling / Stack Data Results Summary



### Location Unit 1Stack House - Method 26A Average
Run Number 1 2 3

Test Date 4/22/2010 4/23/2010 4/23/2010

Run Start Time 4:43:00 PM 8:04:00 AM 3:07:00 PM

Run Finish Time 10:02:30 PM 2:34:30 PM 9:34:30 PM
Net Run Time, minutes 180 180 180 Dry Gas Meter Volume Sampled, dscf 111.777 110.098 112.684 111.520
Moisture Content of Stack Gas, % 15.22 14.35 14.53 14.700 Moisture Saturation at Stack Gas Temperature, % 12.61 12.63 12.79 12.677
Carbon Dioxide, % 12.6 12.6 12.6 12.600 Oxygen, % 6.3 6.3 6.3 6.300 Average Stack Gas Temperature, °F 115.54 115.46 115.92 115.640 Dry Volumetric Flow Rate, dry scfm 841,455.0 824,415.9 855,684.8 840,518.567
Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,303,573.6 1,282,081.4 1,334,215.9 1,306,623.63 3 Percent Isokinetic of Sampling Rate, % 103.8 104.4 102.9 103.700
F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000



### Saturday, February 26, 2011 Page 4 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - 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 1Stack House - Method 3A CO2 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



### Saturday, February 26, 2011 Page 5 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A CO2 3 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 1Stack House - Method 3A CO2 3 6 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



### Saturday, February 26, 2011 Page 6 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A CO2 3 6 9 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 1Stack House - Method 3A O2 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



### Saturday, February 26, 2011 Page 7 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A O2 3 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 1Stack House - Method 3A O2 3 6 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



### Saturday, February 26, 2011 Page 8 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A O2 3 6 9 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 1Stack House - 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



### Saturday, February 26, 2011 Page 9 of 24

### San Juan Generating Station Unit 1

12/7/2010 Emissions Summary



### Location: Unit 1Stack House - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.437 0.428 0.341 0.402 lb/mmBtuO2 1.21E-04 1.20E-04 9.34E-05 0.000



### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.889 0.872 0.693 0.818 lb/mmBtuO2 2.45E-04 2.44E-04 1.90E-04 0.000



### Location: Unit 1Stack House - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.00048 0.000617 0.000475 0.001 mg/dscm 1.18E-04 1.47E-04 1.10E-04 0.000


### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.00015 0.000355 0.000185 0.000 mg/dscm 3.68E-05 8.45E-05 4.28E-05 0.000


### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.0012 0.00119 0.00106 0.001 mg/dscm 2.94E-04 2.83E-04 2.45E-04 0.000



### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.00839 0.02382 0.022 0.018 mg/dscm 2.06E-03 5.67E-03 5.09E-03 0.004


### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.003 0.0025 0.0045 0.003 mg/dscm 7.35E-04 5.95E-04 1.04E-03 0.001



### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.0048 0.00486 0.0055 0.005 mg/dscm 1.18E-03 1.16E-03 1.27E-03 0.001



### Saturday, February 26, 2011 Page 10 of 24

### San Juan Generating Station Unit 1

12/7/2010

Process Run Data Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.0124 0.0202 0.0369 0.023 mg/dscm 3.04E-03 4.81E-03 8.54E-03 0.005


### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.0064 0.02485 0.0119 0.014 mg/dscm 1.57E-03 5.92E-03 2.75E-03 0.003



### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.00086 0.00052 0.00052 0.001 mg/dscm 2.11E-04 1.24E-04 1.20E-04 0.000



### Location: Unit 1Stack House - Method 5/OTM-28 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 16.1 13.3 23.6 17.667 lb/mmBtuO2 3.53E-03 2.76E-03 5.02E-03 0.004



### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 12.2 8 7.4 9.200 lb/mmBtuO2 2.68E-03 1.66E-03 1.57E-03 0.002


### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 6.6 7.7 19.9 11.400 lb/mmBtuO2 1.45E-03 1.60E-03 4.23E-03 0.002



### Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 34.9 29 50.9 38.267 lb/mmBtuO2 7.65E-03 6.02E-03 1.08E-02 0.008



### Saturday, February 26, 2011 Page 11 of 24

### San Juan Generating Station Unit 1

12/7/2010
Process Run Data

APCD Run Data 

### Run Name Value UOM Comments Target Value
1 Heat Input 3556 mmBtu/hr 3550



### 1 Load 352 Mw 355

1 Steam Output 2216 klbs/hr 2250

1 Moisture 11.4 % 14



### 1 Stack Flow 834322 dscfm 850000

1 Stack Temperature 120 Deg F 116

1 Coal Flow Rate 358693 lbs/hr 340000



### 1 CO2 12.9 % 12.6

1 O2 6.5 % 6.3

2 Heat Input 3611 mmBtu/hr 3550



### 2 Load 355 Mw 355

2 Steam Output 2234 klbs/hr 2250

2 Moisture 11.4 % 14



### 2 Stack Flow 842391 dscfm 850000

2 Stack Temperature 120 Deg F 116

2 Coal Flow Rate 358431 lbs/hr 340000



### 2 CO2 13 % 12.6

2 O2 6.4 % 6.3

3 Heat Input 3604 mmBtu/hr 3550



### 3 Load 355 Mw 355

3 Steam Output 2235 klbs/hr 2250

3 Moisture 11.6 % 14



### 3 Stack Flow 842365 dscfm 850000

3 Stack Temperature 121 Deg F 116



### 3 Coal Flow Rate 364885 lbs/hr 340000

3 CO2 13 % 12.6

3 O2 6.4 % 6.3

Run Name Value UOM Comments Target Value


### 1 ACTIVATED CARBON ADSORPTION 0.15 ACI Feed Rate #/macf 0.15

2 ACTIVATED CARBON ADSORPTION 0.15 ACI Feed Rate #/macf 0.15

3 ACTIVATED CARBON ADSORPTION 0.15 ACI Feed Rate #/macf 0.15



### Saturday, February 26, 2011 Page 12 of 24

### San Juan Generating Station Unit 1

12/7/2010

Process Lab Run Data 1 BAGHOUSE 99.99 Removal Efficiency 99.99



### 2 BAGHOUSE 99.99 Removal Efficiency 99.99

3 BAGHOUSE 99.99 Removal Efficiency 99.99

1 SPRAY SCRUBBER 94.4 Removal Efficiency 90



### 2 SPRAY SCRUBBER 94.4 Removal Efficiency 90

3 SPRAY SCRUBBER 94.4 Removal Efficiency 90



### Run Name Value UOM Comments
1 Scrubber TDS 51180 mg/l
1 Scurbber TSS 1E+05 mg/l
1 Scrubber Delta Pressure 0.423 "H2O
1 Scrubber Liquor Flow Rate 16.84 gal/min


### 2 Scrubber TDS 47020 mg/l
2 Scurbber TSS 1E+05 mg/l
2 Scrubber Delta Pressure 0.752 "H2O
2 Scrubber Liquor Flow Rate 13.87 gal/min


### 3 Scrubber TDS 46730 mg/l
3 Scurbber TSS 1E+05 mg/l
3 Scrubber Delta Pressure 0.752 "H2O


### 3 Scrubber Liquor Flow Rate 13.87 gal/min

Saturday, February 26, 2011 Page 13 of 24

### San Juan Generating Station Unit 1

12/7/2010
Sampling / Stack Data Results Detail



### Location Unit 1Stack House - Method 26A Average Run Number 1 2 3
Test Date 4/22/2010 4/23/2010 4/23/2010 Run Start Time 4:43:00 PM 8:04:00 AM 3:07:00 PM Run Finish Time 10:02:30 PM 2:34:30 PM 9:34:30 PM Net Traversing Points 24 24 24 Net Run Time, minutes 180 180 180 Nozzle Diameter, inches 0.215 0.215 0.215 0.215 Pitot Tube Coefficient 0.82 0.82 0.82 0.820 Dry Gas Meter Calibration Factor 0.993 0.993 0.993 0.993 Barometric Pressure, inches of Mercury 24.19 24.1 24.1 24.130 Average Orifice Meter Differential, inches H2O 1.61 1.52 0.97 1.367 Dry Gas Meter Volume Sampled, cubic feet 140.529 138.143 142.651 140.441 Average Dry Gas Meter Temperature, °F 75.54 72.35 76.21 74.700 Dry Gas Meter Volume Sampled, dscf 111.777 110.098 112.684 111.520 Total Moisture Liquid collected, g 426.3 391.9 407.1 408.433 Volume of Water Vapor, standard cubic feet 20.07 18.45 19.16 19.227 Moisture Content of Stack Gas, % 15.22 14.35 14.53 14.700 Moisture Saturation at Stack Gas Temperature, % 12.61 12.63 12.79 12.677 Dry Mole Fraction 0.8739 0.8737 0.8721 0.873 Carbon Dioxide, % 12.6 12.6 12.6 12.600 Oxygen, % 6.3 6.3 6.3 6.300 Carbon Monoxide & Nitrogen, % 81.1 81.1 81.1 81.100 Fuel Factor 1.16 1.16 1.16 Dry Molecular Weight, lb/lb-Mole 30.27 30.27 30.27 30.270 Wet Molecular weight, lb/lb-Mole 29.19 29.03 29.01 29.077 Flue Gas Static Pressure, inches of H2O -1.35 -1.35 -1.35 -1.350 Absolute Flue Gas Pressure, inches of Mercury 24.09 24.00 24.00 24.030 Average Stack Gas Temperature, °F 115.54 115.46 115.92 115.640 Average Velocity Head, inches of H2O 0.9329561069 93732 0.894203231

557659 0.967142024

669266 0.931

Average Stack Gas Velocity, feet/second 61.26 60.25 62.70 61.403 Stack Cross-Sectional Area, square feet 354.656 354.656 354.656 354.656 Dry Volumetric Flow Rate, dry scfm 841,455.0 824,415.9 855,684.8 840,518.567 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,303,573.6 1,282,081.4 1,334,215.9 1,306,623.6 33 Percent Isokinetic of Sampling Rate, % 103.8 104.4 102.9 103.700 Percent Excess Air, % 0.0 0.0 0.0 0.000 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 255 255 255 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0
Fw 10640 10640 10640 10,640.000
Fc 1800 1800 1800 1,800.000



### Saturday, February 26, 2011 Page 14 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - 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



### Saturday, February 26, 2011 Page 15 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A CO2 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



### Saturday, February 26, 2011 Page 16 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A CO2 3 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



### Saturday, February 26, 2011 Page 17 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A CO2 3 6 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



### Saturday, February 26, 2011 Page 18 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A CO2 3 6 9 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



### Saturday, February 26, 2011 Page 19 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A O2 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



### Saturday, February 26, 2011 Page 20 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A O2 3 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



### Saturday, February 26, 2011 Page 21 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A O2 3 6 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



### Saturday, February 26, 2011 Page 22 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - Method 3A O2 3 6 9 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



### Saturday, February 26, 2011 Page 23 of 24

### San Juan Generating Station Unit 1

12/7/2010

Location Unit 1Stack House - 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



### Saturday, February 26, 2011 Page 24 of 24