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 2

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:

SJGS 2 San Juan Generating Station

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 2 Stack 

House

264 0 0 0 6.09 6.59 4 16

Target

Parameter 

Test

Method

Number of

Test Runs

Test Run

Duration

Sample 

Location Points Comments

Unit 2 Stack Hydrogen Chloride Method 26A 3 180 0

House

Unit 2 Stack Hydrogen Fluoride Method 26A 3 180 0

House

Unit 2 Stack Cadmium Method 29 3 240 0

House

Saturday, February 26, 2011 Page 2 of 21
San Juan Generating Station ICR Test

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.

Unit 2 Stack Manganese Method 29 3 240 0

House

Unit 2 Stack Arsenic Method 29 3 240 0

House

Unit 2 Stack Chromium Method 29 3 240 0

House

Unit 2 Stack Cobalt Method 29 3 240 0

House

Unit 2 Stack Lead Method 29 3 240 0

House

Unit 2 Stack Selenium Method 29 3 240 0

House

Unit 2 Stack Nickel Method 29 3 240 0

House

Unit 2 Stack Antimony Method 29 3 240 0

House

Unit 2 Stack O2 Method 3A O2 9 60 0

House

Unit 2 Stack Co2 Method 3A CO2 9 60 0

House

Organic Condensible 

Particulate

Unit 2 Stack Method 5/OTM-28 3 240 0

House

Inorganic (Aqueous) 

Condensible Part.

Unit 2 Stack Method 5/OTM-28 3 240 0

House

Unit 2 Stack Filterable Particulate Method 5/OTM-28 3 240 0

House

Unit 2 Stack Total Particulate Method 5/OTM-28 3 240 0

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 2 Stack House - Method 26A

Average

Run Number 1 2 3

Test Date 4/27/2010 4/28/2010 4/29/2010

Run Start Time 9:02:00 AM 7:06:00 

AM

7:25:00 AM

Run Finish Time 1:30:00 PM 12:00:00 

PM

12:02:00 PM

Net Run Time, minutes 180 180 180

Dry Gas Meter Volume Sampled, dscf 91.694 95.842 100.078 95.871

Moisture Content of Stack Gas, % 12.10 12.96 12.55 12.537

Moisture Saturation at Stack Gas Temperature, % 11.98 12.26 12.16 12.133

Carbon Dioxide, % 12.8 12.8 12.8 12.800

Oxygen, % 6.2 6.3 6.3 6.267

Average Stack Gas Temperature, °F 114.31 114.84 114.16 114.437

Dry Volumetric Flow Rate, dry scfm 785,439.9 830,279.7 850,233.0 821,984.200

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,185,330.7 1,269,036.0 1,310,546.5 1,254,971.06

7

Percent Isokinetic of Sampling Rate, % 97.8 96.7 98.6 97.700

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 21
San Juan Generating Station ICR Test

12/7/2010

Location Unit 2 Stack House - Method 29

Average

Run Number 1 2 3

Test Date 4/27/2010 4/28/2010 4/29/2010

Run Start Time 8:54:00 AM 7:16:00 

AM

7:31:00 AM

Run Finish Time 4:07:30 PM 2:12:30 PM 12:31:30 PM

Net Run Time, minutes 240 240 240

Dry Gas Meter Volume Sampled, dscf 130.761 135.297 134.049 133.369

Moisture Content of Stack Gas, % 12.55 13.13 12.88 12.853

Moisture Saturation at Stack Gas Temperature, % 12.34 12.46 12.46 12.420

Carbon Dioxide, % 12.8 12.8 12.7 12.767

Oxygen, % 6.2 6.3 6.4 6.300

Average Stack Gas Temperature, °F 115.38 115.41 115.03 115.273

Dry Volumetric Flow Rate, dry scfm 806,463.0 846,009.8 847,372.4 833,281.733

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,224,332.4 1,297,317.9 1,312,599.2 1,278,083.16

7

Percent Isokinetic of Sampling Rate, % 101.9 102.4 101.3 101.867

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

Location Unit 2 Stack House - Method 3A CO2

Average

Run Number 1 2 3

Test Date 4/27/2010 4/27/2010 4/27/2010

Run Start Time 7:10:00 AM 9:55:00 

AM

1:05:00 PM

Run Finish Time 9:12:00 AM 12:40:00 

PM

4:19:00 PM

Carbon Dioxide, % 12.8 12.8 12.9 12.833

Oxygen, % 6.3 6.2 6 6.167

Dry Volumetric Flow Rate, dry scfm 793858 793858 793858 793,858.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 13.2 13.2 13.2 13.200

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Saturday, February 26, 2011 Page 5 of 21
San Juan Generating Station ICR Test

12/7/2010

Location Unit 2 Stack House - Method 3A CO2 3

Average

Run Number 4 5 6

Test Date 4/28/2010 4/28/2010 4/28/2010

Run Start Time 7:03:00 AM 9:31:00 

AM

11:55:00 AM

Run Finish Time 9:12:00 AM 11:40:00 

AM

12:55:00 PM

Carbon Dioxide, % 12.8 12.8 12.9 12.833

Oxygen, % 6.4 6.3 6.2 6.300

Dry Volumetric Flow Rate, dry scfm 834835 834835 834835 834,835.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 13.4 13.4 13.4 13.400

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Location Unit 2 Stack House - Method 3A CO2 3 6

Average

Run Number 7 8 9

Test Date 4/29/2010 4/29/2010 4/29/2010

Run Start Time 7:16:00 AM 9:21:00 

AM

11:48:00 AM

Run Finish Time 7:59:00 AM 11:26:00 

AM

1:41:00 PM

Carbon Dioxide, % 12.2 12.7 12.9 12.600

Oxygen, % 6.6 6.4 6.3 6.433

Dry Volumetric Flow Rate, dry scfm 853168 853168 853168 853,168.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 14.2 14.2 14.2 14.200

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Saturday, February 26, 2011 Page 6 of 21
San Juan Generating Station ICR Test

12/7/2010

Location Unit 2 Stack House - Method 3A O2

Average

Run Number 1 2 3

Test Date 4/27/2010 4/27/2010 4/27/2010

Run Start Time 7:10:00 AM 9:55:00 

AM

1:05:00 PM

Run Finish Time 9:12:00 AM 12:40:00 

PM

4:19:00 PM

Carbon Dioxide, % 12.8 12.8 12.9 12.833

Oxygen, % 6.3 6.2 6 6.167

Dry Volumetric Flow Rate, dry scfm 793858 793858 793858 793,858.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 13.2 13.2 13.2 13.200

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Location Unit 2 Stack House - Method 3A O2 3

Average

Run Number 4 5 6

Test Date 4/28/2010 4/28/2010 4/28/2010

Run Start Time 7:03:00 AM 9:31:00 

AM

11:55:00 AM

Run Finish Time 9:12:00 AM 11:40:00 

AM

12:55:00 PM

Carbon Dioxide, % 12.8 12.8 12.9 12.833

Oxygen, % 6.4 6.3 6.2 6.300

Dry Volumetric Flow Rate, dry scfm 834835 834835 834835 834,835.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 13.4 13.4 13.4 13.400

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Saturday, February 26, 2011 Page 7 of 21
San Juan Generating Station ICR Test

12/7/2010

Location Unit 2 Stack House - Method 3A O2 3 6

Average

Run Number 7 8 9

Test Date 4/29/2010 4/29/2010 4/29/2010

Run Start Time 7:16:00 AM 9:21:00 

AM

11:48:00 AM

Run Finish Time 7:59:00 AM 11:26:00 

AM

1:41:00 PM

Carbon Dioxide, % 12.2 12.7 12.9 12.600

Oxygen, % 6.6 6.4 6.3 6.433

Dry Volumetric Flow Rate, dry scfm 853168 853168 853168 853,168.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 14.2 14.2 14.2 14.200

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Location Unit 2 Stack House - Method 5/OTM-28

Average

Run Number 1 2 3

Test Date 4/27/2010 4/28/2010 4/29/2010

Run Start Time 7:47:00 AM 7:06:00 

AM

7:25:00 AM

Run Finish Time 3:50:00 PM 12:23:00 

PM

11:28:00 AM

Net Run Time, minutes 240 240 240

Dry Gas Meter Volume Sampled, dscf 129.734 134.736 138.023 134.164

Moisture Content of Stack Gas, % 12.73 13.27 14.14 13.380

Moisture Saturation at Stack Gas Temperature, % 12.52 12.87 12.41 12.600

Carbon Dioxide, % 12.8 12.8 12.7 12.767

Oxygen, % 6.2 6.3 6.4 6.300

Average Stack Gas Temperature, °F 115.88 116.56 114.88 115.773

Dry Volumetric Flow Rate, dry scfm 791,525.4 833,867.2 848,372.3 824,588.300

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,205,173.7 1,287,282.4 1,313,055.4 1,268,503.83

3

Percent Isokinetic of Sampling Rate, % 103.0 101.5 102.2 102.233

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 8 of 21
San Juan Generating Station ICR Test

12/7/2010

Emissions Summary

Location: Unit 2 Stack House - Method 26A

Compound: Hydrogen Chloride

Average

RunNumber 1 2 3

Mass_mg 0.335 0.308 0.522 0.388

lb/mmBtuO2 1.12E-04 9.92E-05 1.61E-04 0.000

Compound: Hydrogen Fluoride

Average

RunNumber 1 2 3

Mass_mg 0.682 0.626 1.06 0.789

lb/mmBtuO2 2.28E-04 2.02E-04 3.27E-04 0.000

Location: Unit 2 Stack House - Method 29

Compound: Antimony

Average

RunNumber 1 2 3

Mass_mg 0.0002 0.0002 0.0002 0.000

mg/dscm 5.40E-05 5.22E-05 5.27E-05 0.000

Compound: Arsenic

Average

RunNumber 1 2 3

Mass_mg 0.0002 0.0002 0.0002 0.000

mg/dscm 5.40E-05 5.22E-05 5.27E-05 0.000

Compound: Cadmium

Average

RunNumber 1 2 3

Mass_mg 0.0004 0.0003 0.0004 0.000

mg/dscm 1.08E-04 7.83E-05 1.05E-04 0.000

Compound: Chromium

Average

RunNumber 1 2 3

Mass_mg 0.0087 0.0048 0.0056 0.006

mg/dscm 2.35E-03 1.25E-03 1.48E-03 0.002

Compound: Cobalt

Average

RunNumber 1 2 3

Mass_mg 0.0018 0.0011 0.0028 0.002

mg/dscm 4.86E-04 2.87E-04 7.38E-04 0.001

Compound: Lead

Average

RunNumber 1 2 3

Mass_mg 0.0021 0.0014 0.0014 0.002

mg/dscm 5.67E-04 3.65E-04 3.69E-04 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 0.0181 0.0102 0.0094 0.013

mg/dscm 4.89E-03 2.66E-03 2.48E-03 0.003

Compound: Nickel

Average

RunNumber 1 2 3

Mass_mg 0.0085 0.0057 0.0188 0.011

mg/dscm 2.30E-03 1.49E-03 4.95E-03 0.003

Compound: Selenium

Average

RunNumber 1 2 3

Mass_mg 0.0005 0.0015 0.0005 0.001

mg/dscm 1.35E-04 3.92E-04 1.32E-04 0.000

Location: Unit 2 Stack House - Method 5/OTM-28

Compound: Filterable Particulate

Average

RunNumber 1 2 3

Mass_mg 15.4 21.8 24 20.400

lb/mmBtuO2 3.64E-03 4.99E-03 5.40E-03 0.005

Compound: Inorganic (Aqueous) Condensible Pa

Average

RunNumber 1 2 3

Mass_mg 6.5 7.2 4 5.900

lb/mmBtuO2 1.54E-03 1.65E-03 9.01E-04 0.001

Compound: Organic Condensible Particulate

Average

RunNumber 1 2 3

Mass_mg 10.2 13.7 12.1 12.000

lb/mmBtuO2 2.41E-03 3.14E-03 2.72E-03 0.003

Compound: Total Particulate

Average

RunNumber 1 2 3

Mass_mg 32.1 42.7 40.1 38.300

lb/mmBtuO2 7.58E-03 9.78E-03 9.03E-03 0.009

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 3240 mmBtu/hr 3300

1 Load 331 Mw 330

1 Steam Output 2090 klbs/hr 2100

1 Stack Moisture 10.63 % 13

1 Stack Flow Rate 776794 dscfm 800000

1 Stack Temperature 118 Deg F 115

1 Coal Flow Rate 352970 lbs/hr 353000

1 CO2 13 % 13

1 O2 6.4 % 6.2

2 Heat Input 3557 mmBtu/hr 3300

2 Load 361 Mw 330

2 Steam Output 2271 klbs/hr 2100

2 Stack Moisture 10.31 % 13

2 Stack Flow Rate 834374 dscfm 800000

2 Stack Temperature 117 Deg F 115

2 Coal Flow Rate 389784 lbs/hr 353000

2 CO2 13.1 % 13

2 O2 6.3 % 6.2

3 Heat Input 3507 mmBtu/hr 3300

3 Load 357 Mw 330

3 Steam Output 2250 klbs/hr 2100

3 Stack Moisture 10.1 % 13

3 Stack Flow Rate 827690 dscfm 800000

3 Stack Temperature 116 Deg F 115

3 Coal Flow Rate 385824 lbs/hr 353000

3 CO2 13 % 13

3 O2 6.4 % 6.2

Run Name Value UOM Comments

Target

Value

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

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

3 ACTIVATED CARBON ADSORPTION 0.15ACI 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

1 BAGHOUSE 99.99Removal Efficiency 99.99

2 BAGHOUSE 99.99Removal Efficiency 99.99

3 BAGHOUSE 99.99Removal Efficiency 99.99

1 SPRAY SCRUBBER 92.2Removal Efficiency 90

2 SPRAY SCRUBBER 92.2Removal Efficiency 90

3 SPRAY SCRUBBER 92.2Removal Efficiency 90

Run Name Value UOM Comments

1 Scrubber TDS 51700 mg/l

1 Scrubber TSS 1E+05 mg/l

1 Scrubber Delta Pressure 0.523 "H2O

1 Scrubber Liquor Flow Rate 17.56 gal/min

2 Scrubber TDS 56900 mg/l

2 Scrubber TSS 1E+05 mg/l

2 Scrubber Delta Pressure 0.617 "H2O

2 Scrubber Liquor Flow Rate 15.96 gal/min

3 Scrubber TDS 43420 mg/l

3 Scrubber TSS 1E+05 mg/l

3 Scrubber Delta Pressure 0.583 "H2O

3 Scrubber Liquor Flow Rate 15.81 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 2 Stack House - Method 26A

Average

Run Number 1 2 3

Test Date 4/27/2010 4/28/2010 4/29/2010

Run Start Time 9:02:00 AM 7:06:00 AM 7:25:00 AM

Run Finish Time 1:30:00 PM 12:00:00 PM 12:02:00 PM

Net Traversing Points 32 32 32

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 0.994 0.994 0.994 0.994

Barometric Pressure, inches of Mercury 24.6 24.39 24.13 24.373

Average Orifice Meter Differential, inches H2O 1.12 1.29 1.33 1.247

Dry Gas Meter Volume Sampled, cubic feet 112.630 121.160 123.956 119.249

Average Dry Gas Meter Temperature, °F 71.81 82.95 66.38 73.713

Dry Gas Meter Volume Sampled, dscf 91.694 95.842 100.078 95.871

Total Moisture Liquid collected, g 268.2 303.2 305 292.133

Volume of Water Vapor, standard cubic feet 12.62 14.27 14.36 13.750

Moisture Content of Stack Gas, % 12.10 12.96 12.55 12.537

Moisture Saturation at Stack Gas Temperature, % 11.98 12.26 12.16 12.133

Dry Mole Fraction 0.8802 0.8774 0.8784 0.879

Carbon Dioxide, % 12.8 12.8 12.8 12.800

Oxygen, % 6.2 6.3 6.3 6.267

Carbon Monoxide & Nitrogen, % 81 80.9 80.9 80.933

Fuel Factor 1.15 1.14 1.14

Dry Molecular Weight, lb/lb-Mole 30.30 30.30 30.30 30.300

Wet Molecular weight, lb/lb-Mole 28.85 28.92 28.87 28.880

Flue Gas Static Pressure, inches of H2O -1.3 -1.3 -1.3 -1.300

Absolute Flue Gas Pressure, inches of Mercury 24.50 24.29 24.03 24.273

Average Stack Gas Temperature, °F 114.31 114.84 114.16 114.437

Average Velocity Head, inches of H2O 0.6764898751

98514

0.769922853

98165

0.811650943

34238

0.753

Average Stack Gas Velocity, feet/second 51.97 55.64 57.46 55.023

Stack Cross-Sectional Area, square feet 380.133 380.133 380.133 380.133

Dry Volumetric Flow Rate, dry scfm 785,439.9 830,279.7 850,233.0 821,984.200

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,185,330.7 1,269,036.0 1,310,546.5 1,254,971.0

67

Percent Isokinetic of Sampling Rate, % 97.8 96.7 98.6 97.700

Percent Excess Air, % 40.8 41.8 41.8 41.467

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Round Duct Diameter, inches 264 264 264

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

12/7/2010

Location Unit 2 Stack House - Method 29

Average

Run Number 1 2 3

Test Date 4/27/2010 4/28/2010 4/29/2010

Run Start Time 8:54:00 AM 7:16:00 AM 7:31:00 AM

Run Finish Time 4:07:30 PM 2:12:30 PM 12:31:30 PM

Net Traversing Points 32 32 32

Net Run Time, minutes 240 240 240

Nozzle Diameter, inches 0.215 0.213 0.213 0.214

Pitot Tube Coefficient 0.83 0.83 0.83 0.830

Dry Gas Meter Calibration Factor 0.993 0.993 0.993 0.993

Barometric Pressure, inches of Mercury 24.6 24.39 24.13 24.373

Average Orifice Meter Differential, inches H2O 1.24 1.35 0.80 1.130

Dry Gas Meter Volume Sampled, cubic feet 162.253 169.871 167.912 166.679

Average Dry Gas Meter Temperature, °F 76.88 78.80 70.95 75.543

Dry Gas Meter Volume Sampled, dscf 130.761 135.297 134.049 133.369

Total Moisture Liquid collected, g 398.6 434.4 421.1 418.033

Volume of Water Vapor, standard cubic feet 18.76 20.45 19.82 19.677

Moisture Content of Stack Gas, % 12.55 13.13 12.88 12.853

Moisture Saturation at Stack Gas Temperature, % 12.34 12.46 12.46 12.420

Dry Mole Fraction 0.8766 0.8754 0.8754 0.876

Carbon Dioxide, % 12.8 12.8 12.7 12.767

Oxygen, % 6.2 6.3 6.4 6.300

Carbon Monoxide & Nitrogen, % 81 80.9 80.9 80.933

Fuel Factor 1.15 1.14 1.14

Dry Molecular Weight, lb/lb-Mole 30.30 30.30 30.29 30.297

Wet Molecular weight, lb/lb-Mole 28.82 28.89 28.83 28.847

Flue Gas Static Pressure, inches of H2O -1.3 -1.3 -1.3 -1.300

Absolute Flue Gas Pressure, inches of Mercury 24.50 24.29 24.03 24.273

Average Stack Gas Temperature, °F 115.38 115.41 115.03 115.273

Average Velocity Head, inches of H2O 0.7023925133

46825

0.783707480

328602

0.792590552

018538

0.760

Average Stack Gas Velocity, feet/second 53.68 56.88 57.55 56.037

Stack Cross-Sectional Area, square feet 380.133 380.133 380.133 380.133

Dry Volumetric Flow Rate, dry scfm 806,463.0 846,009.8 847,372.4 833,281.733

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,224,332.4 1,297,317.9 1,312,599.2 1,278,083.1

67

Percent Isokinetic of Sampling Rate, % 101.9 102.4 101.3 101.867

Percent Excess Air, % 40.8 41.8 42.8 41.800

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Round Duct Diameter, inches 264 264 264

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 21
San Juan Generating Station ICR Test

12/7/2010

Location Unit 2 Stack House - Method 3A CO2

Average

Run Number 1 2 3

Test Date 4/27/2010 4/27/2010 4/27/2010

Run Start Time 7:10:00 AM 9:55:00 AM 1:05:00 PM

Run Finish Time 9:12:00 AM 12:40:00 PM 4:19:00 PM

Carbon Dioxide, % 12.8 12.8 12.9 12.833

Oxygen, % 6.3 6.2 6 6.167

Fuel Factor 1.14 1.15 1.16

Dry Volumetric Flow Rate, dry scfm 793858 793858 793858 793,858.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 13.2 13.2 13.2 13.200

Analyzer Make

Analyzer Model

Analyzer Serial Number

Operating Range 10.1 10.1 10.1 10.100

Operating Units % % %

No. Readings/Avg. 122 165 96 127.667

Calibration Set 1 1 1 1.000

Calibration Pre Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Pre Zero Cylinder Instrument Response 0.2 0.1 0.2 0.167

Calibration Pre Zero Cylinder Bias 1.02 0.51 1.02 0.850

Calibration Pre Zero Cylinder Drift 0 0 0 0.000

Calibration Pre High Cylinder ID ALM017313 ALM017313 ALM017313

Calibration Pre High Cylinder Instrument Response 10.1 10.2 10.2 10.167

Calibration Pre High Cylinder Bias -0.51 0 0 -0.170

Calibration Pre High Cylinder Drift 0 0 0 0.000

Calibration Post Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Post Zero Cylinder Instrument Response 0.1 0.2 0.2 0.167

Calibration Post Zero Cylinder Bias 0.51 1.02 1.02 0.850

Calibration Post Zero Cylinder Drift 0.51 0.51 0 0.340

Calibration Post High Cylinder ID ALM017313 ALM017313 ALM017313

Calibration Post High Cylinder Instrument Response 10.02 10.2 10.2 10.140

Calibration Post High Cylinder Bias -0.92 0 0 -0.307

Calibration Post High Cylinder Drift 0.41 0 0 0.137

Cavg 12.8 12.8 12.9 12.833

Cavg Units %vd %vd %vd

Cgas 12.8925 12.7129 12.827 12.811

Cgas Units %vd %vd %vd

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Cgasw 0 0 0 0.000

Cgasw Units

Saturday, February 26, 2011 Page 15 of 21
San Juan Generating Station ICR Test

12/7/2010

Location Unit 2 Stack House - Method 3A CO2 3

Average

Run Number 4 5 6

Test Date 4/28/2010 4/28/2010 4/28/2010

Run Start Time 7:03:00 AM 9:31:00 AM 11:55:00 AM

Run Finish Time 9:12:00 AM 11:40:00 AM 12:55:00 PM

Carbon Dioxide, % 12.8 12.8 12.9 12.833

Oxygen, % 6.4 6.3 6.2 6.300

Fuel Factor 1.13 1.14 1.14

Dry Volumetric Flow Rate, dry scfm 834835 834835 834835 834,835.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 13.4 13.4 13.4 13.400

Analyzer Make

Analyzer Model

Analyzer Serial Number

Operating Range 10.1 10.1 10.1 10.100

Operating Units % % %

No. Readings/Avg. 129 129 60 106.000

Calibration Set 2 2 2 2.000

Calibration Pre Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Pre Zero Cylinder Instrument Response 0.1 0.2 0.3 0.200

Calibration Pre Zero Cylinder Bias 0.51 0 1.53 0.680

Calibration Pre Zero Cylinder Drift 0 0 0 0.000

Calibration Pre High Cylinder ID ALM017313 ALM017313 ALM017313

Calibration Pre High Cylinder Instrument Response 10 10.4 10.3 10.233

Calibration Pre High Cylinder Bias -1.02 0 0.51 -0.170

Calibration Pre High Cylinder Drift 0 0 0 0.000

Calibration Post Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Post Zero Cylinder Instrument Response 0.2 0.3 0.2 0.233

Calibration Post Zero Cylinder Bias 1.02 1.53 1.02 1.190

Calibration Post Zero Cylinder Drift 0.51 1.53 0.51 0.850

Calibration Post High Cylinder ID ALM017313 ALM017313 ALM017313

Calibration Post High Cylinder Instrument Response 10.4 10.3 10.3 10.333

Calibration Post High Cylinder Bias 1.02 0.51 0.51 0.680

Calibration Post High Cylinder Drift 2.04 0.51 0 0.850

Cavg 12.8 12.8 12.9 12.833

Cavg Units %vd %vd %vd

Cgas 12.7129 12.55 12.7129 12.659

Cgas Units %vd %vd %vd

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Cgasw 0 0 0 0.000

Cgasw Units

Saturday, February 26, 2011 Page 16 of 21
San Juan Generating Station ICR Test

12/7/2010

Location Unit 2 Stack House - Method 3A CO2 3 6

Average

Run Number 7 8 9

Test Date 4/29/2010 4/29/2010 4/29/2010

Run Start Time 7:16:00 AM 9:21:00 AM 11:48:00 AM

Run Finish Time 7:59:00 AM 11:26:00 AM 1:41:00 PM

Carbon Dioxide, % 12.2 12.7 12.9 12.600

Oxygen, % 6.6 6.4 6.3 6.433

Fuel Factor 1.17 1.14 1.13

Dry Volumetric Flow Rate, dry scfm 853168 853168 853168 853,168.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 14.2 14.2 14.2 14.200

Analyzer Make

Analyzer Model

Analyzer Serial Number

Operating Range 10.1 10.1 10.1 10.100

Operating Units % % %

No. Readings/Avg. 43 125 113 93.667

Calibration Set 3 3 3 3.000

Calibration Pre Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Pre Zero Cylinder Instrument Response 0.1 0.2 0.1 0.133

Calibration Pre Zero Cylinder Bias 0.51 1.02 0.51 0.680

Calibration Pre Zero Cylinder Drift 0 0 0 0.000

Calibration Pre High Cylinder ID ALM017313 ALM017313 ALM017313

Calibration Pre High Cylinder Instrument Response 10.1 10.2 10.2 10.167

Calibration Pre High Cylinder Bias -0.51 0 0 -0.170

Calibration Pre High Cylinder Drift 0 0 0 0.000

Calibration Post Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Post Zero Cylinder Instrument Response 0.2 0.1 0.2 0.167

Calibration Post Zero Cylinder Bias 1.02 0.51 1.02 0.850

Calibration Post Zero Cylinder Drift 0.51 0.51 0.51 0.510

Calibration Post High Cylinder ID ALM017313 ALM017313 ALM017313

Calibration Post High Cylinder Instrument Response 10.2 10.1 10.1 10.133

Calibration Post High Cylinder Bias 0 -0.51 -0.51 -0.340

Calibration Post High Cylinder Drift 0.51 0.51 0.51 0.510

Cavg 12.2 12.7 12.9 12.600

Cavg Units %vd %vd %vd

Cgas 12.1705 12.6755 12.8775 12.575

Cgas Units %vd %vd %vd

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Cgasw 0 0 0 0.000

Cgasw Units

Saturday, February 26, 2011 Page 17 of 21
San Juan Generating Station ICR Test

12/7/2010

Location Unit 2 Stack House - Method 3A O2

Average

Run Number 1 2 3

Test Date 4/27/2010 4/27/2010 4/27/2010

Run Start Time 7:10:00 AM 9:55:00 AM 1:05:00 PM

Run Finish Time 9:12:00 AM 12:40:00 PM 4:19:00 PM

Carbon Dioxide, % 12.8 12.8 12.9 12.833

Oxygen, % 6.3 6.2 6 6.167

Fuel Factor 1.14 1.15 1.16

Dry Volumetric Flow Rate, dry scfm 793858 793858 793858 793,858.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 13.2 13.2 13.2 13.200

Analyzer Make

Analyzer Model

Analyzer Serial Number

Operating Range 10 10 10 10.000

Operating Units % % %

No. Readings/Avg. 122 165 96 127.667

Calibration Set 4 4 4 4.000

Calibration Pre Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Pre Zero Cylinder Instrument Response 0 -0.1 -0.1 -0.067

Calibration Pre Zero Cylinder Bias 0 -0.47 -0.47 -0.313

Calibration Pre Zero Cylinder Drift 0 0 0 0.000

Calibration Pre High Cylinder ID ALM017313A ALM017313

A

ALM017313

A

Calibration Pre High Cylinder Instrument Response 9.9 10 9.9 9.933

Calibration Pre High Cylinder Bias -0.95 -0.47 -0.95 -0.790

Calibration Pre High Cylinder Drift 0 0 0 0.000

Calibration Post Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Post Zero Cylinder Instrument Response -0.1 -0.1 -0.1 -0.100

Calibration Post Zero Cylinder Bias -0.47 -0.47 -0.47 -0.470

Calibration Post Zero Cylinder Drift 0.47 0 0 0.157

Calibration Post High Cylinder ID ALM017313A ALM017313

A

ALM017313

A

Calibration Post High Cylinder Instrument Response 10 9.9 9.8 9.900

Calibration Post High Cylinder Bias -0.47 -0.95 -1.42 -0.947

Calibration Post High Cylinder Drift 0.48 0.48 0.47 0.477

Cavg 6.3 6.2 6 6.167

Cavg Units %vd %vd %vd

Cgas 6.35 6.2687 6.1307 6.250

Cgas Units %vd %vd %vd

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Cgasw 0 0 0 0.000

Cgasw Units

Saturday, February 26, 2011 Page 18 of 21
San Juan Generating Station ICR Test

12/7/2010

Location Unit 2 Stack House - Method 3A O2 3

Average

Run Number 4 5 6

Test Date 4/28/2010 4/28/2010 4/28/2010

Run Start Time 7:03:00 AM 9:31:00 AM 11:55:00 AM

Run Finish Time 9:12:00 AM 11:40:00 AM 12:55:00 PM

Carbon Dioxide, % 12.8 12.8 12.9 12.833

Oxygen, % 6.4 6.3 6.2 6.300

Fuel Factor 1.13 1.14 1.14

Dry Volumetric Flow Rate, dry scfm 834835 834835 834835 834,835.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 13.4 13.4 13.4 13.400

Analyzer Make

Analyzer Model

Analyzer Serial Number

Operating Range 10 10 10 10.000

Operating Units % % %

No. Readings/Avg. 129 129 60 106.000

Calibration Set 5 5 5 5.000

Calibration Pre Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Pre Zero Cylinder Instrument Response -0.1 -0.1 -0.1 -0.100

Calibration Pre Zero Cylinder Bias -0.47 -0.47 -0.47 -0.470

Calibration Pre Zero Cylinder Drift 0 0 0 0.000

Calibration Pre High Cylinder ID ALM017313A ALM017313

A

ALM017313

A

Calibration Pre High Cylinder Instrument Response 9.9 10 9.8 9.900

Calibration Pre High Cylinder Bias -0.47 0 -0.95 -0.473

Calibration Pre High Cylinder Drift 0 0 0 0.000

Calibration Post Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Post Zero Cylinder Instrument Response -0.1 -0.1 -0.2 -0.133

Calibration Post Zero Cylinder Bias -0.47 -0.47 -0.95 -0.630

Calibration Post Zero Cylinder Drift 0 0 0.48 0.160

Calibration Post High Cylinder ID ALM017313A ALM017313

A

ALM017313

A

Calibration Post High Cylinder Instrument Response 10 9.8 9.9 9.900

Calibration Post High Cylinder Bias 0 -0.95 -0.47 -0.473

Calibration Post High Cylinder Drift 0.47 0.95 0.48 0.633

Cavg 6.4 6.3 6.2 6.300

Cavg Units %vd %vd %vd

Cgas 6.4677 6.4 6.35 6.406

Cgas Units %vd %vd %vd

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Cgasw 0 0 0 0.000

Cgasw Units

Saturday, February 26, 2011 Page 19 of 21
San Juan Generating Station ICR Test

12/7/2010

Location Unit 2 Stack House - Method 3A O2 3 6

Average

Run Number 7 8 9

Test Date 4/29/2010 4/29/2010 4/29/2010

Run Start Time 7:16:00 AM 9:21:00 AM 11:48:00 AM

Run Finish Time 7:59:00 AM 11:26:00 AM 1:41:00 PM

Carbon Dioxide, % 12.2 12.7 12.9 12.600

Oxygen, % 6.6 6.4 6.3 6.433

Fuel Factor 1.17 1.14 1.13

Dry Volumetric Flow Rate, dry scfm 853168 853168 853168 853,168.000

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Moisture, % 14.2 14.2 14.2 14.200

Analyzer Make

Analyzer Model

Analyzer Serial Number

Operating Range 10 10 10 10.000

Operating Units % % %

No. Readings/Avg. 43 125 113 93.667

Calibration Set 6 6 6 6.000

Calibration Pre Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Pre Zero Cylinder Instrument Response 0 0 -0.1 -0.033

Calibration Pre Zero Cylinder Bias 0 0 -0.47 -0.157

Calibration Pre Zero Cylinder Drift 0 0 0 0.000

Calibration Pre High Cylinder ID ALM017313A ALM017313

A

ALM017313

A

Calibration Pre High Cylinder Instrument Response 9.9 10 9.9 9.933

Calibration Pre High Cylinder Bias -1.42 -0.95 -1.42 -1.263

Calibration Pre High Cylinder Drift 0 0 0 0.000

Calibration Post Zero Cylinder ID Zero Gas Zero Gas Zero Gas

Calibration Post Zero Cylinder Instrument Response 0 -0.1 0 -0.033

Calibration Post Zero Cylinder Bias 0 -0.47 0 -0.157

Calibration Post Zero Cylinder Drift 0 0.47 0.47 0.313

Calibration Post High Cylinder ID ALM017313A ALM017313

A

ALM017313

A

Calibration Post High Cylinder Instrument Response 10 9.9 10 9.967

Calibration Post High Cylinder Bias -0.95 -1.42 -0.95 -1.107

Calibration Post High Cylinder Drift 0.47 0.47 0.47 0.470

Cavg 6.6 6.4 6.3 6.433

Cavg Units %vd %vd %vd

Cgas 6.6332 0 6.35 4.328

Cgas Units %vd %vd %vd

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Cgasw 0 0 0 0.000

Cgasw Units

Saturday, February 26, 2011 Page 20 of 21
San Juan Generating Station ICR Test

12/7/2010

Location Unit 2 Stack House - Method 5/OTM-28

Average

Run Number 1 2 3

Test Date 4/27/2010 4/28/2010 4/29/2010

Run Start Time 7:47:00 AM 7:06:00 AM 7:25:00 AM

Run Finish Time 3:50:00 PM 12:23:00 PM 11:28:00 AM

Net Traversing Points 16 16 16

Net Run Time, minutes 240 240 240

Nozzle Diameter, inches 0.215 0.215 0.215 0.215

Pitot Tube Coefficient 0.83 0.83 0.83 0.830

Dry Gas Meter Calibration Factor 1.002 1.002 1.002 1.002

Barometric Pressure, inches of Mercury 24.6 24.39 24.13 24.373

Average Orifice Meter Differential, inches H2O 1.07 1.18 1.22 1.157

Dry Gas Meter Volume Sampled, cubic feet 158.840 167.484 170.238 165.521

Average Dry Gas Meter Temperature, °F 74.28 78.00 68.22 73.500

Dry Gas Meter Volume Sampled, dscf 129.734 134.736 138.023 134.164

Total Moisture Liquid collected, g 402.2 438 482.9 441.033

Volume of Water Vapor, standard cubic feet 18.93 20.62 22.73 20.760

Moisture Content of Stack Gas, % 12.73 13.27 14.14 13.380

Moisture Saturation at Stack Gas Temperature, % 12.52 12.87 12.41 12.600

Dry Mole Fraction 0.8748 0.8713 0.8759 0.874

Carbon Dioxide, % 12.8 12.8 12.7 12.767

Oxygen, % 6.2 6.3 6.4 6.300

Carbon Monoxide & Nitrogen, % 81 80.9 80.9 80.933

Fuel Factor 1.15 1.14 1.14

Dry Molecular Weight, lb/lb-Mole 30.30 30.30 30.29 30.297

Wet Molecular weight, lb/lb-Mole 28.80 28.79 29.08 28.890

Flue Gas Static Pressure, inches of H2O -1.3 -1.3 -1.3 -1.300

Absolute Flue Gas Pressure, inches of Mercury 24.50 24.29 24.03 24.273

Average Stack Gas Temperature, °F 115.88 116.56 114.88 115.773

Average Velocity Head, inches of H2O 0.6794325326

07773

0.767496441

354658

0.800156426

575171

0.749

Average Stack Gas Velocity, feet/second 52.84 56.44 57.57 55.617

Stack Cross-Sectional Area, square feet 380.133 380.133 380.133 380.133

Dry Volumetric Flow Rate, dry scfm 791,525.4 833,867.2 848,372.3 824,588.300

Actual Wet Volumetric Flue Gas Flow Rate, acfm 1,205,173.7 1,287,282.4 1,313,055.4 1,268,503.8

33

Percent Isokinetic of Sampling Rate, % 103.0 101.5 102.2 102.233

Percent Excess Air, % 17.0 41.8 42.8 33.867

F-Factor, dscfm/MMBtu @ %O2 9780 9780 9780 9,780.000

Round Duct Diameter, inches 264 264 264

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 21 of 21