### 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 ICR Test

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 21

### San Juan Generating Station ICR Test

12/7/2010 Facility Information:

San Juan Unit 4 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: Karl Breuer
Phone: (303) 420-5949
Fax:
Email: kbreuer@airtest.net

Air Permit Number:
P062R1M1 Permitted Source ID/Name: San Juan Generating Station SJGS 4
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 4 Stack House 350 2.74 6.51 4 0 16 0 0

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Hydrogen Chloride Method 26A 3 192 0 Unit 4 Stack House Hydrogen Fluoride Method 26A 3 192 0 Unit 4 Stack House Cadmium Method 29 3 256 0 Unit 4 Stack House



### Saturday, February 26, 2011 Page 2 of 21

### San Juan Generating Station ICR Test

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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.

Nickel Method 29 3 256 0 Unit 4 Stack House Arsenic Method 29 3 256 0 Unit 4 Stack House Chromium Method 29 3 256 0 Unit 4 Stack House Cobalt Method 29 3 256 0 Unit 4 Stack House Lead Method 29 3 256 0 Unit 4 Stack House Manganese Method 29 3 256 0 Unit 4 Stack House Antimony Method 29 3 256 0 Unit 4 Stack House Selenium Method 29 3 256 0 Unit 4 Stack House O2 Method 3A O2 3 60 0 Unit 4 Stack House Co2 Method 3A CO2 3 60 0 Unit 4 Stack House Organic Condensible

Particulate Method 5/OTM-28 3 256 0 Unit 4 Stack House Inorganic (Aqueous)

Condensible Part. Method 5/OTM-28 3 256 0 Unit 4 Stack House Filterable Particulate Method 5/OTM-28 3 256 0 Unit 4 Stack House Total Particulate Method 5/OTM-28 3 256 0 Unit 4 Stack House



### Saturday, February 26, 2011 Page 3 of 21

### San Juan Generating Station ICR Test

12/7/2010 Sampling / Stack Data Results Summary



### Location Unit 4 Stack House - Method 26A Average
Run Number 1 2 3

Test Date 5/19/2010 5/20/2010 5/21/2010
Run Start Time 8:59:00 AM 7:34:00 AM 7:35:00 AM

Run Finish Time 2:28:00 PM 1:52:00 PM 12:42:00 PM Net Run Time, minutes 192 192 192 Dry Gas Meter Volume Sampled, dscf 109.882 113.907 107.212 110.334 Moisture Content of Stack Gas, % 13.76 13.21 14.19 13.720 Moisture Saturation at Stack Gas Temperature, % 11.95 11.73 11.76 11.813 Carbon Dioxide, % 13.5 13.5 13.6 13.533 Oxygen, % 5.7 5.5 5.5 5.567 Average Stack Gas Temperature, °F 114.31 113.69 113.69 113.897 Dry Volumetric Flow Rate, dry scfm 1,028,599.6 1,037,023.6 1,026,136.5 1,030,586.56 7 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,548,601.0 1,553,812.4 1,541,786.0 1,548,066.46 7 Percent Isokinetic of Sampling Rate, % 103.2 106.1 100.9 103.400 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 21

### San Juan Generating Station ICR Test

12/7/2010

Location Unit 4 Stack 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 4 Stack 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 21

### San Juan Generating Station ICR Test

12/7/2010

Location Unit 4 Stack 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 4 Stack 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 21

### San Juan Generating Station ICR Test

12/7/2010

Location Unit 4 Stack 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



### Location Unit 4 Stack 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



### Saturday, February 26, 2011 Page 7 of 21

### San Juan Generating Station ICR Test

12/7/2010

Location Unit 4 Stack 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



### Location Unit 4 Stack 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 8 of 21

### San Juan Generating Station ICR Test

12/7/2010 Emissions Summary



### Location: Unit 4 Stack House - Method 26A Compound: Hydrogen Chloride Average RunNumber 1 2 3 Mass_mg 0.455 0.455 0.417 0.442 lb/mmBtuO2 1.23E-04 1.17E-04 1.14E-04 0.000


### Compound: Hydrogen Fluoride Average RunNumber 1 2 3 Mass_mg 0.436 0.436 0.399 0.424 lb/mmBtuO2 1.18E-04 1.12E-04 1.09E-04 0.000



### Location: Unit 4 Stack House - Method 29 Compound: Antimony Average RunNumber 1 2 3 Mass_mg 0.0005 0.0009 0.0003 0.001 lb/mmBtuO2 1.01E-07 1.67E-07 5.54E-08 0.000


### Compound: Arsenic Average RunNumber 1 2 3 Mass_mg 0.0004 0.0004 0.0005 0.000 lb/mmBtuO2 8.11E-08 7.41E-08 9.23E-08 0.000


### Compound: Cadmium Average RunNumber 1 2 3 Mass_mg 0.0029 0.0012 0.0004 0.002 lb/mmBtuO2 5.88E-07 2.22E-07 7.38E-08 0.000


### Compound: Chromium Average RunNumber 1 2 3 Mass_mg 0.0079 0.036 0.0156 0.020 lb/mmBtuO2 1.60E-06 6.67E-06 2.88E-06 0.000


### Compound: Cobalt Average RunNumber 1 2 3 Mass_mg 0.0016 0.0031 0.0037 0.003 lb/mmBtuO2 3.24E-07 5.74E-07 6.83E-07 0.000


### Compound: Lead Average RunNumber 1 2 3 Mass_mg 0.0033 0.0024 0.0035 0.003 lb/mmBtuO2 6.69E-07 4.45E-07 6.46E-07 0.000



### Saturday, February 26, 2011 Page 9 of 21

### San Juan Generating Station ICR Test

12/7/2010

Process Run Data Compound: Manganese Average RunNumber 1 2 3 Mass_mg 0.009 0.0151 0.0071 0.010 lb/mmBtuO2 1.82E-06 2.80E-06 1.31E-06 0.000


### Compound: Nickel Average RunNumber 1 2 3 Mass_mg 0.0068 0.0212 0.0069 0.012 lb/mmBtuO2 1.38E-06 3.93E-06 1.27E-06 0.000


### Compound: Selenium Average RunNumber 1 2 3 Mass_mg 0.0008 0.0009 0.001 0.001 lb/mmBtuO2 1.62E-07 1.67E-07 1.85E-07 0.000



### Location: Unit 4 Stack House - Method 5/OTM-28 Compound: Filterable Particulate Average RunNumber 1 2 3 Mass_mg 15.15 18.65 13.35 15.717 lb/mmBtuO2 3.37E-03 3.50E-03 2.72E-03 0.003


### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber 1 2 3 Mass_mg 2.7 8.6 9.6 6.967 lb/mmBtuO2 6.00E-04 1.61E-03 1.96E-03 0.001


### Compound: Organic Condensible Particulate Average RunNumber 1 2 3 Mass_mg 9.5 4.8 9.9 8.067 lb/mmBtuO2 2.11E-03 9.01E-04 2.02E-03 0.002


### Compound: Total Particulate Average RunNumber 1 2 3 Mass_mg 27.35 32.05 32.85 30.750 lb/mmBtuO2 6.08E-03 6.01E-03 6.70E-03 0.006



### Saturday, February 26, 2011 Page 10 of 21

### San Juan Generating Station ICR Test

12/7/2010
Process Run Data

APCD Run Data 

### Run Name Value UOM Comments Target Value
1 Heat Input 4655 mmBtu/hr 4660



### 2 Heat Input 0 mmBtu/hr 4660

3 Heat Input 0 mmBtu/hr 4660

1 Load 456 Mw 460



### 1 Steam Output 2732 Klbs/hr 2670

1 Stack Moisture 11.85 % 13

1 Stack Flow Rate 1E+06 dscfm 1E+06



### 1 Stack Temperature 122 deg F 115

1 Coal Flow Rate 461240 lbs/hr 460000

1 CO2 13.6 % 13.5



### 1 O2 5.7 % 5.7

4 Heat Input 4681 mmBtu/hr 4660

4 Load 457 Mw 460



### 4 Steam Output 2739 Klbs/hr 2670

4 Stack Moisture 11.66 % 13

4 Stack Flow Rate 1E+06 dscfm 1E+06



### 4 Stack Temperature 121 deg F 115

4 Coal Flow Rate 454410 lbs/hr 460000

4 CO2 13.7 % 13.5



### 4 O2 5.6 % This is run 2 5.7

5 Heat Input 4763 mmBtu/hr 4660

5 Load 462 Mw 460



### 5 Steam Output 2768 Klbs/hr 2670

5 Stack Moisture 11.81 % 13



### 5 Stack Flow Rate 1E+06 dscfm 1E+06

5 Stack Temperature 122 deg F 115

5 Coal Flow Rate 459150 lbs/hr 460000



### 5 CO2 13.9 % 13.5

5 O2 5.4 % This is run 3 5.7

Run Name Value UOM Comments Target Value
1 ACTIVATED CARBON ADSORPTION 0.15 ACI Feed Rate #/macf 0.15



### Saturday, February 26, 2011 Page 11 of 21

### San Juan Generating Station ICR Test

12/7/2010

Process Lab Run Data 2 ACTIVATED CARBON ADSORPTION 0.15 ACI Feed Rate #/macf 0.15



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

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 94.1 Removal Efficiency 90

2 SPRAY SCRUBBER 94.1 Removal Efficiency 90



### 3 SPRAY SCRUBBER 94.1 Removal Efficiency 90

Run Name Value UOM Comments
1 Scrubber TDS mg/l
1 Scrubber TSS mg/l


### 1 Scrubber Delta Pressure 0.38 "H20
1 Scrubber Liquor Flow gal/min
2 Scrubber TDS mg/l


### 2 Scrubber TSS mg/l
2 Scrubber Delta Pressure 0.4 "H20
2 Scrubber Liquor Flow gal/min
3 Scrubber TDS mg/l 

### 3 Scrubber TSS mg/l
3 Scrubber Delta Pressure 0.28 "H20 3 Scrubber Liquor Flow gal/min



### Saturday, February 26, 2011 Page 12 of 21

### San Juan Generating Station ICR Test

12/7/2010
Sampling / Stack Data Results Detail



### Location Unit 4 Stack House - Method 26A Average Run Number 1 2 3 Test Date 5/19/2010 5/20/2010 5/21/2010 Run Start Time 8:59:00 AM 7:34:00 AM 7:35:00 AM Run Finish Time 2:28:00 PM 1:52:00 PM 12:42:00 PM Net Traversing Points 32 32 32 Net Run Time, minutes 192 192 192 Nozzle Diameter, inches 0.257 0.257 0.257 0.257 Pitot Tube Coefficient 0.83 0.83 0.83 0.830 Dry Gas Meter Calibration Factor 0.994 0.994 0.994 0.994 Barometric Pressure, inches of Mercury 24.6 24.63 24.57 24.600 Average Orifice Meter Differential, inches H2O 1.28 1.29 1.34 1.303 Dry Gas Meter Volume Sampled, cubic feet 136.385 141.312 133.737 137.145 Average Dry Gas Meter Temperature, °F 77.64 78.05 79.77 78.487 Dry Gas Meter Volume Sampled, dscf 109.882 113.907 107.212 110.334 Total Moisture Liquid collected, g 372.4 368.2 376.6 372.400 Volume of Water Vapor, standard cubic feet 17.53 17.33 17.73 17.530 Moisture Content of Stack Gas, % 13.76 13.21 14.19 13.720 Moisture Saturation at Stack Gas Temperature, % 11.95 11.73 11.76 11.813 Dry Mole Fraction 0.8805 0.8827 0.8824 0.882 Carbon Dioxide, % 13.5 13.5 13.6 13.533 Oxygen, % 5.7 5.5 5.5 5.567 Carbon Monoxide & Nitrogen, % 80.8 81 80.9 80.900 Fuel Factor 1.13 1.14 1.13 Dry Molecular Weight, lb/lb-Mole 30.39 30.38 30.40 30.390 Wet Molecular weight, lb/lb-Mole 29.24 29.19 29.38 29.270 Flue Gas Static Pressure, inches of H2O -0.65 -0.65 -0.65 -0.650 Absolute Flue Gas Pressure, inches of Mercury 24.55 24.58 24.52 24.550 Average Stack Gas Temperature, °F 114.31 113.69 113.69 113.897 Average Velocity Head, inches of H2O 0.3704596597 80894 0.373107399

472888 0.368942573

222379 0.371

Average Stack Gas Velocity, feet/second 38.63 38.76 38.46 38.617 Stack Cross-Sectional Area, square feet 668.134 668.134 668.134 668.134 Dry Volumetric Flow Rate, dry scfm 1,028,599.6 1,037,023.6 1,026,136.5 1,030,586.5 67 Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,548,601.0 1,553,812.4 1,541,786.0 1,548,066.4 67 Percent Isokinetic of Sampling Rate, % 103.2 106.1 100.9 103.400 Percent Excess Air, % 36.5 34.6 34.7 35.267 F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000 Round Duct Diameter, inches 350 350 350 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 13 of 21

### San Juan Generating Station ICR Test

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Location Unit 4 Stack 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 14 of 21

### San Juan Generating Station ICR Test

12/7/2010

Location Unit 4 Stack 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 15 of 21

### San Juan Generating Station ICR Test

12/7/2010

Location Unit 4 Stack 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 16 of 21

### San Juan Generating Station ICR Test

12/7/2010

Location Unit 4 Stack 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 17 of 21

### San Juan Generating Station ICR Test

12/7/2010

Location Unit 4 Stack 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 18 of 21

### San Juan Generating Station ICR Test

12/7/2010

Location Unit 4 Stack 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 19 of 21

### San Juan Generating Station ICR Test

12/7/2010

Location Unit 4 Stack 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 20 of 21

### San Juan Generating Station ICR Test

12/7/2010

Location Unit 4 Stack 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 21 of 21