Name: John M. McManus

Title: Vice-President, Environmental Service

Company: American Electric Power

Sign Date: 7/29/2010

Name: Scott W. Banach

Title: Director, Project Engineering

Company: Platt Environmental Services, Inc.

Sign Date: 7/28/2010

Permitted Facility Representative / Date Testing Company Representative / Date

Welsh 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.

Wednesday, January 19, 2011 Page 1 of 18
Welsh Unit 1

7/29/2010

Facility Information:

Welsh Unit 1

1187 County Road 4865

Pittsburg TX 75686

Contact: Paul Jackson

Phone: 614-716-3278

Fax: 614-716-1252

Email: pmjackson@aep.com

Testing Company:

Platt Environmental Services, Inc.

1520 Kensington Road

Suite 204

Oak Brook IL 60523

Contact: Scott Banach

Phone: 630-521-9400

Fax: 630-521-9494

Email: sbanach@plattenv.com

Air Permit Number:

O-00026

Permitted Source ID/Name:

Unit 1 Boiler 1

Permitted Maximum Process Rate:

N/A

Max. Normal Operation Process Rate:

N/A

Target Process Test Rate

N/A

Description of the source (including control equipment). Please see the attachments for source or

 process flow diagram:

Electric generating dry bottom wall fired boiler utilizing subbituminous coal as the primary fuel.

Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information:

AFS #: FRS #:

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

Stack 0 222 144 0 66 157.2 6 24

Target

Parameter 

Test

Method

Number of

Test Runs

Test Run

Duration

Sample 

Location Points Comments

Stack Carbon Monoxide Method 10 3 0

Total organic compounds 

(TOC)

Stack Method 25A 3 0

Stack Hydrogen Fluoride Method 26A 3 0

Stack Hydrogen Chloride Method 26A 3 0

Stack Total PM2.5 OTM - 27/28 3 0

Stack Filterable PM2.5 OTM - 27/28 3 0

Stack Filterable Particulate OTM - 27/28 3 0

Wednesday, January 19, 2011 Page 2 of 18
Welsh Unit 1

7/29/2010

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.

Stack Total Particulate OTM - 27/28 3 0

Stack Selenium Method 29 3 0

Stack Antimony Method 29 3 0

Stack Arsenic Method 29 3 0

Stack Beryllium Method 29 3 0

Stack Cadmium Method 29 3 0

Stack Chromium Method 29 3 0

Stack Cobalt Method 29 3 0

Stack Lead Method 29 3 0

Stack Nickel Method 29 3 0

Stack Filterable Particulate Method 29 3 0

Stack Manganese Method 29 3 0

Stack Co2 Method 3A CO2 3 60 0

Stack O2 Method 3A O2 3 60 0

Wednesday, January 19, 2011 Page 3 of 18
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7/29/2010

Sampling / Stack Data Results Summary

Location Stack - Method 10

Average

Run Number 1 2 3

Test Date 4/16/2010 4/16/2010 4/16/2010

Run Start Time 8:15:00 AM 10:55:00 

AM

1:30:00 PM

Run Finish Time 10:14:00 AM 12:54:00 

PM

3:29:00 PM

Carbon Dioxide, % 12.8 12.4 12.4 12.533

Oxygen, % 6.6 7.1 7.1 6.933

Dry Volumetric Flow Rate, dry scfm 1342123 1388693 1370358 1,367,058.00

0

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

Moisture, % 11.1 9.5 11.2 10.600

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Location Stack - Method 25A

Average

Run Number 1 2 3

Test Date 4/16/2010 4/16/2010 4/16/2010

Run Start Time 8:15:00 AM 10:55:00 

AM

1:30:00 PM

Run Finish Time 10:14:00 AM 12:54:00 

PM

3:29:00 PM

Carbon Dioxide, % 12.8 12.4 12.4 12.533

Oxygen, % 6.6 7.1 7.1 6.933

Dry Volumetric Flow Rate, dry scfm 1342123 1388693 1370358 1,367,058.00

0

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

Moisture, % 11.1 9.5 11.2 10.600

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Wednesday, January 19, 2011 Page 4 of 18
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7/29/2010

Location Stack - Method 26A

Average

Run Number M26A-1 M26A-2 M26A-3

Test Date 4/13/2010 4/14/2010 4/15/2010

Run Start Time 2:00:00 PM 12:30:00 

PM

12:30:00 PM

Run Finish Time 5:32:00 PM 4:02:00 PM 4:02:00 PM

Net Run Time, minutes 192 192 192

Dry Gas Meter Volume Sampled, dscf 99.228 98.400 98.599 98.742

Moisture Content of Stack Gas, % 10.66 9.53 9.41 9.867

Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000

Carbon Dioxide, % 12.7 12.25 12.85 12.600

Oxygen, % 6.7 7.2 6.75 6.883

Average Stack Gas Temperature, °F 294.79 290.31 291.31 292.137

Dry Volumetric Flow Rate, dry scfm 1,332,177.8 1,366,968.6 1,363,354.3 1,354,166.90

0

Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,157,573.6 2,173,291.2 2,163,168.0 2,164,677.60

0

Percent Isokinetic of Sampling Rate, % 101.1 97.7 98.1 98.967

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

Wednesday, January 19, 2011 Page 5 of 18
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Location Stack - Method 29

Average

Run Number M29-1 M29-2 M29-3

Test Date 4/13/2010 4/14/2010 4/15/2010

Run Start Time 8:20:00 AM 7:50:00 

AM

7:45:00 AM

Run Finish Time 1:10:00 PM 12:02:00 

PM

12:02:00 PM

Net Run Time, minutes 160 160 160

Dry Gas Meter Volume Sampled, dscf 123.393 127.101 129.225 126.573

Moisture Content of Stack Gas, % 10.16 10.94 10.73 10.610

Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000

Carbon Dioxide, % 12.65 12.35 12.75 12.583

Oxygen, % 6.8 7.25 6.8 6.950

Average Stack Gas Temperature, °F 297.44 282.50 283.69 287.877

Dry Volumetric Flow Rate, dry scfm 1,287,413.4 1,338,298.2 1,345,150.0 1,323,620.53

3

Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,049,548.4 2,106,824.4 2,116,015.2 2,090,796.00

0

Percent Isokinetic of Sampling Rate, % 156.0 154.6 156.4 155.667

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 Stack - Method 3A CO2

Average

Run Number 1 2 3

Test Date 4/16/2010 4/16/2010 4/16/2010

Run Start Time 8:15:00 AM 10:55:00 

AM

1:30:00 PM

Run Finish Time 10:14:00 AM 12:54:00 

PM

3:29:00 PM

Carbon Dioxide, % 12.8 12.4 12.4 12.533

Oxygen, % 6.6 7.1 7.1 6.933

Dry Volumetric Flow Rate, dry scfm 1342123 1388693 1370358 1,367,058.00

0

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

Moisture, % 11.1 9.5 11.2 10.600

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Wednesday, January 19, 2011 Page 6 of 18
Welsh Unit 1

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Location Stack - Method 3A O2

Average

Run Number 1 2 3

Test Date 4/16/2010 4/16/2010 4/16/2010

Run Start Time 8:15:00 AM 10:55:00 

AM

1:30:00 PM

Run Finish Time 10:14:00 AM 12:54:00 

PM

3:29:00 PM

Carbon Dioxide, % 12.8 12.4 12.4 12.533

Oxygen, % 6.6 7.1 7.1 6.933

Dry Volumetric Flow Rate, dry scfm 1342123 1388693 1370358 1,367,058.00

0

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

Moisture, % 11.1 9.5 11.2 10.600

Fuel Type Coal - 

Bituminous

Coal - 

Bituminous

Coal - 

Bituminous

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Location Stack - OTM - 27/28

Average

Run Number MOTM27/O

TM28-1

MOTM27/

OTM28-2

MOTM27/O

TM28-3

Test Date 4/13/2010 4/14/2010 4/15/2010

Run Start Time 8:20:00 AM 7:50:00 

AM

7:45:00 AM

Run Finish Time 3:01:00 PM 2:01:45 PM 1:50:45 PM

Net Run Time, minutes 360 360.5 356

Dry Gas Meter Volume Sampled, dscf 125.739 122.613 127.647 125.333

Moisture Content of Stack Gas, % 8.22 10.31 10.73 9.753

Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000

Carbon Dioxide, % 12.7 12.4 12.8 12.633

Oxygen, % 6.78 7.3 6.8 6.960

Average Stack Gas Temperature, °F 300.01 290.33 291.71 294.017

Dry Volumetric Flow Rate, dry scfm 1,300,032.7 1,382,185.1 1,382,402.0 1,354,873.26

7

Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,032,765.2 2,183,414.4 2,198,066.4 2,138,082.00

0

Percent Isokinetic of Sampling Rate, % 109.4 100.2 105.6 105.067

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

Wednesday, January 19, 2011 Page 7 of 18
Welsh Unit 1

7/29/2010

Emissions Summary

Location: Stack - Method 10

Compound: Carbon Monoxide

Average

Run 1 2 3

lb/mmBtuO2 1.39E-01 1.75E-01 1.70E-01 0.161

ppm 1.34E+02 1.63E+02 1.58E+02 151.667

ppm@7%O2 1.30E+02 1.64E+02 1.59E+02 151.000

Location: Stack - Method 25A

Compound: Total organic compounds (TOC)

Average

Run 1 2 3

lb/mmBtuO2 2.00E-05 8.72E-05 8.52E-05 0.000

ppm 4.50E-02 1.89E-01 1.84E-01 0.139

ppm@7%O2 4.37E-02 1.90E-01 1.85E-01 0.140

Location: Stack - Method 26A

Compound: Hydrogen Chloride

Average

RunNumber M26A-1 M26A-2 M26A-3

Mass_mg 0.53384 0.64601 0.60889 0.596

lb/mmBtuO2 1.71E-04 2.16E-04 1.97E-04 0.000

Compound: Hydrogen Fluoride

Average

RunNumber M26A-1 M26A-2 M26A-3

Mass_mg 0.28471 0.53834 0.4298 0.418

lb/mmBtuO2 9.11E-05 1.80E-04 1.39E-04 0.000

Location: Stack - Method 29

Compound: Antimony

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.000519 0.000501 0.000493 0.001

lb/mmBtuO2 1.34E-07 1.30E-07 1.22E-07 0.000

Compound: Arsenic

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.000804 0.000643 0.000578 0.001

lb/mmBtuO2 2.08E-07 1.67E-07 1.43E-07 0.000

Compound: Beryllium

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.00013 0.00012 0.000123 0.000

lb/mmBtuO2 3.37E-08 3.12E-08 3.04E-08 0.000

Wednesday, January 19, 2011 Page 8 of 18
Welsh Unit 1

7/29/2010

Compound: Cadmium

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.000305 0.000245 0.000375 0.000

lb/mmBtuO2 7.90E-08 6.36E-08 9.27E-08 0.000

Compound: Chromium

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.008412 0.004462 0.012851 0.009

lb/mmBtuO2 2.18E-06 1.16E-06 3.18E-06 0.000

Compound: Cobalt

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.000582 0.000387 0.000534 0.001

lb/mmBtuO2 1.51E-07 1.01E-07 1.32E-07 0.000

Compound: Filterable Particulate

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 45.9 62.4 50.2 52.833

lb/mmBtuO2 1.19E-02 1.62E-02 1.24E-02 0.014

Compound: Lead

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.001545 0.001044 0.001069 0.001

lb/mmBtuO2 4.00E-07 2.71E-07 2.64E-07 0.000

Compound: Manganese

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.016829 0.006517 0.004275 0.009

lb/mmBtuO2 4.36E-06 1.69E-06 1.06E-06 0.000

Compound: Nickel

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.011988 0.004596 0.010524 0.009

lb/mmBtuO2 3.10E-06 1.19E-06 2.60E-06 0.000

Compound: Selenium

Average

RunNumber M29-1 M29-2 M29-3

Mass_mg 0.008501 0.011029 0.011429 0.010

lb/mmBtuO2 2.20E-06 2.86E-06 2.83E-06 0.000

Location: Stack - OTM - 27/28

Compound: Filterable Particulate

Average

RunNumber MOTM27/OTM28-1 MOTM27/OTM28-2 MOTM27/OTM28-3

Mass_mg 12.6 28.7 18.4 19.900

Wednesday, January 19, 2011 Page 9 of 18
Welsh Unit 1

7/29/2010

Process Run Data

Compound: Filterable PM2.5

Average

RunNumber MOTM27/OTM28-1 MOTM27/OTM28-2 MOTM27/OTM28-3

Mass_mg 9 18 18 15.000

Compound: Total Particulate

Average

RunNumber MOTM27/OTM28-1 MOTM27/OTM28-2 MOTM27/OTM28-3

Mass_mg 63.4 50.5 56.7 56.867

Compound: Total PM2.5

Average

RunNumber MOTM27/OTM28-1 MOTM27/OTM28-2 MOTM27/OTM28-3

Mass_mg 59.8 56.3 56.3 57.467

Wednesday, January 19, 2011 Page 10 of 18
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Process Run Data

APCD Run Data

Process Lab Run Data

Run Name Value UOM Comments

Target

Value

1 Steam Temperature 988 F 1000

1 Steam Pressure 2403 psig 2400

1 Gross Load 487.4 MW 500

1 Fuel Flow 572 Tons/hr 575

1 Opacity 4.4 % 20

2 Steam Temperature 988 F 1000

2 Steam Pressure 2403 psig 2400

2 Gross Load 489 MW 500

2 Fuel Flow 571 Tons/hr 575

2 Opacity 4.4 % 20

3 Steam Temperature 991 F 1000

3 Steam Pressure 2404 psig 2400

3 Gross Load 500 MW 500

3 Fuel Flow 582 Tons/hr 575

3 Opacity 4.68 % 20

Run Name Value UOM Comments

Target

Value

1 ELECTROSTATIC PRECIPITATOR - HIGH 

EFFICIENCY

4.4 opacity % 20

2 ELECTROSTATIC PRECIPITATOR - HIGH 

EFFICIENCY

4.4 opacity % 20

3 ELECTROSTATIC PRECIPITATOR - HIGH 

EFFICIENCY

4.68 opacity % 20

Wednesday, January 19, 2011 Page 11 of 18
Welsh Unit 1

7/29/2010

Sampling / Stack Data Results Detail

Location Stack - Method 10

Average

Run Number 1 2 3

Test Date 4/16/2010 4/16/2010 4/16/2010

Run Start Time 8:15:00 AM 10:55:00 AM 1:30:00 PM

Run Finish Time 10:14:00 AM 12:54:00 PM 3:29:00 PM

Carbon Dioxide, % 12.8 12.4 12.4 12.533

Oxygen, % 6.6 7.1 7.1 6.933

Fuel Factor 1.12 1.11 1.11

Dry Volumetric Flow Rate, dry scfm 1342123 1388693 1370358 1,367,058.0

00

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

Moisture, % 11.1 9.5 11.2 10.600

Analyzer Make

Analyzer Model

Analyzer Serial Number 0610416297 0610416297 0610416297 610,416,297

.000

Operating Range 1000 1000 1000 1,000.000

Operating Units ppm ppm ppm

No. Readings/Avg. 119 119 119 119.000

Calibration Set 2 2 2 2.000

Calibration Pre Zero Cylinder ID CC205369-CO CC205369-

CO

CC205369-

CO

Calibration Pre Zero Cylinder Instrument Response 2.2 0.8 1.1 1.367

Calibration Pre Zero Cylinder Bias 0.27 0.13 0.16 0.187

Calibration Pre Zero Cylinder Drift 0 0 0 0.000

Calibration Pre High Cylinder ID CC50124-CO CC50124-

CO

CC50124-CO

Calibration Pre High Cylinder Instrument Response 305.1 305.6 304.4 305.033

Calibration Pre High Cylinder Bias 0.11 0.16 0.04 0.103

Calibration Pre High Cylinder Drift 0 0 0 0.000

Calibration Post Zero Cylinder ID CC205369-CO CC205369-

CO

CC205369-

CO

Calibration Post Zero Cylinder Instrument Response 0.8 1.1 0.6 0.833

Calibration Post Zero Cylinder Bias 0.13 0.16 0.11 0.133

Calibration Post Zero Cylinder Drift 0.14 0.03 0.05 0.073

Calibration Post High Cylinder ID CC50124-CO CC50124-

CO

CC50124-CO

Calibration Post High Cylinder Instrument Response 305.6 304.4 303.6 304.533

Calibration Post High Cylinder Bias 0.16 0.04 -0.04 0.053

Calibration Post High Cylinder Drift 0.05 0.12 0.08 0.083

Cavg 134.7 163.3 158.3 152.100

Cavg Units ppmvd ppmvd ppmvd

Cgas 133.5726 162.6971 158.255 151.508

Cgas Units ppmvd ppmvd ppmvd

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

Wednesday, January 19, 2011 Page 12 of 18
Welsh Unit 1

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Location Stack - Method 25A

Average

Run Number 1 2 3

Test Date 4/16/2010 4/16/2010 4/16/2010

Run Start Time 8:15:00 AM 10:55:00 AM 1:30:00 PM

Run Finish Time 10:14:00 AM 12:54:00 PM 3:29:00 PM

Carbon Dioxide, % 12.8 12.4 12.4 12.533

Oxygen, % 6.6 7.1 7.1 6.933

Fuel Factor 1.12 1.11 1.11

Dry Volumetric Flow Rate, dry scfm 1342123 1388693 1370358 1,367,058.0

00

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

Moisture, % 11.1 9.5 11.2 10.600

Analyzer Make

Analyzer Model

Analyzer Serial Number 200305 200305 200305 200,305.000

Operating Range 10 10 10 10.000

Operating Units ppm ppm PPM

No. Readings/Avg. 120 119 119 119.333

Calibration Set 3 3 3 3.000

Calibration Pre Zero Cylinder ID ZERO-AIRTHCZERO-AIRTHCZERO-AIRTHC

Calibration Pre Zero Cylinder Instrument Response 0.11 0 0.02 0.043

Calibration Pre Zero Cylinder Bias 0 -1.1 -0.9 -0.667

Calibration Pre Zero Cylinder Drift 0 0 0 0.000

Calibration Pre High Cylinder ID CC175572-

THC

CC175572-

THC

CC175572-

THC

Calibration Pre High Cylinder Instrument Response 6.03 6.03 6.02 6.027

Calibration Pre High Cylinder Bias 0 0 -0.1 -0.033

Calibration Pre High Cylinder Drift 0 0 0 0.000

Calibration Post Zero Cylinder ID ZERO-AIRTHCZERO-AIRTHCZERO-AIRTHC

Calibration Post Zero Cylinder Instrument Response 0 0.02 0.01 0.010

Calibration Post Zero Cylinder Bias -1.1 -0.9 -1 -1.000

Calibration Post Zero Cylinder Drift 1.1 0.2 0.1 0.467

Calibration Post High Cylinder ID CC175572-

THC

CC175572-

THC

CC175572-

THC

Calibration Post High Cylinder Instrument Response 6.03 6.02 6 6.017

Calibration Post High Cylinder Bias 0 -0.1 -0.3 -0.133

Calibration Post High Cylinder Drift 0 0.1 0.2 0.100

Cavg 0.1 0.2 0.2 0.167

Cavg Units ppmvd ppmvd ppmvd

Cgas 0.045 0.1889 0.1845 0.139

Cgas Units ppmvd ppmvd ppmvd

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

Wednesday, January 19, 2011 Page 13 of 18
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Location Stack - Method 26A

Average

Run Number M26A-1 M26A-2 M26A-3

Test Date 4/13/2010 4/14/2010 4/15/2010

Run Start Time 2:00:00 PM 12:30:00 PM 12:30:00 PM

Run Finish Time 5:32:00 PM 4:02:00 PM 4:02:00 PM

Net Traversing Points 54 54 54

Net Run Time, minutes 192 192 192

Nozzle Diameter, inches 0.125 0.125 0.125 0.125

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1 1 1 1.000

Barometric Pressure, inches of Mercury 29.49 29.49 29.55 29.510

Average Orifice Meter Differential, inches H2O 0.81 0.81 0.80 0.807

Dry Gas Meter Volume Sampled, cubic feet 104.272 103.649 103.279 103.733

Average Dry Gas Meter Temperature, °F 87.97 89.28 87.31 88.187

Dry Gas Meter Volume Sampled, dscf 99.228 98.400 98.599 98.742

Total Moisture Liquid collected, g 251.6 220.3 217.6 229.833

Volume of Water Vapor, standard cubic feet 11.84 10.37 10.24 10.817

Moisture Content of Stack Gas, % 10.66 9.53 9.41 9.867

Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000

Dry Mole Fraction 0.8934 0.9047 0.9059 0.901

Carbon Dioxide, % 12.7 12.25 12.85 12.600

Oxygen, % 6.7 7.2 6.75 6.883

Carbon Monoxide & Nitrogen, % 80.6 80.55 80.4 80.517

Fuel Factor 1.12 1.12 1.10

Dry Molecular Weight, lb/lb-Mole 30.30 30.25 30.33 30.293

Wet Molecular weight, lb/lb-Mole 28.99 29.08 29.17 29.080

Flue Gas Static Pressure, inches of H2O 1 1 1 1.000

Absolute Flue Gas Pressure, inches of Mercury 29.56 29.56 29.62 29.580

Average Stack Gas Temperature, °F 294.79 290.31 291.31 292.137

Average Velocity Head, inches of H2O 5.7765872237

3761

5.914148822

7949

5.881642007

02582

5.857

Average Stack Gas Velocity, feet/second 161.98 163.16 162.40 162.513

Stack Cross-Sectional Area, square feet 222.000 222.000 222.000 222.000

Dry Volumetric Flow Rate, dry scfm 1,332,177.8 1,366,968.6 1,363,354.3 1,354,166.9

00

Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,157,573.6 2,173,291.2 2,163,168.0 2,164,677.6

00

Percent Isokinetic of Sampling Rate, % 101.1 97.7 98.1 98.967

Percent Excess Air, % 46.0 51.2 46.6 47.933

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

Round Duct Diameter, inches 0 0 0

Rectangular Duct Width, inches 144 144 144

Rectangular Duct Length, inches 222 222 222

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Wednesday, January 19, 2011 Page 14 of 18
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Location Stack - Method 29

Average

Run Number M29-1 M29-2 M29-3

Test Date 4/13/2010 4/14/2010 4/15/2010

Run Start Time 8:20:00 AM 7:50:00 AM 7:45:00 AM

Run Finish Time 1:10:00 PM 12:02:00 PM 12:02:00 PM

Net Traversing Points 74 72 72

Net Run Time, minutes 160 160 160

Nozzle Diameter, inches 0.125 0.125 0.125 0.125

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1 1 1 1.000

Barometric Pressure, inches of Mercury 29.94 29.94 29.94 29.940

Average Orifice Meter Differential, inches H2O 0.74 0.82 0.83 0.797

Dry Gas Meter Volume Sampled, cubic feet 124.933 130.009 131.302 128.748

Average Dry Gas Meter Temperature, °F 75.92 81.53 77.94 78.463

Dry Gas Meter Volume Sampled, dscf 123.393 127.101 129.225 126.573

Total Moisture Liquid collected, g 296.6 331.7 330.1 319.467

Volume of Water Vapor, standard cubic feet 13.96 15.61 15.54 15.037

Moisture Content of Stack Gas, % 10.16 10.94 10.73 10.610

Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000

Dry Mole Fraction 0.8984 0.8906 0.8927 0.894

Carbon Dioxide, % 12.65 12.35 12.75 12.583

Oxygen, % 6.8 7.25 6.8 6.950

Carbon Monoxide & Nitrogen, % 80.55 80.4 80.45 80.467

Fuel Factor 1.11 1.11 1.11

Dry Molecular Weight, lb/lb-Mole 30.30 30.27 30.31 30.293

Wet Molecular weight, lb/lb-Mole 29.05 28.93 28.99 28.990

Flue Gas Static Pressure, inches of H2O 1 1 1 1.000

Absolute Flue Gas Pressure, inches of Mercury 30.01 30.01 30.01 30.010

Average Stack Gas Temperature, °F 297.44 282.50 283.69 287.877

Average Velocity Head, inches of H2O 5.2843417999

6707

5.672552464

67262

5.724968285

12028

5.561

Average Stack Gas Velocity, feet/second 153.87 158.17 158.86 156.967

Stack Cross-Sectional Area, square feet 222.000 222.000 222.000 222.000

Dry Volumetric Flow Rate, dry scfm 1,287,413.4 1,338,298.2 1,345,150.0 1,323,620.5

33

Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,049,548.4 2,106,824.4 2,116,015.2 2,090,796.0

00

Percent Isokinetic of Sampling Rate, % 156.0 154.6 156.4 155.667

Percent Excess Air, % 47.0 51.9 47.1 48.667

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

Round Duct Diameter, inches 0 0 0

Rectangular Duct Width, inches 144 144 144

Rectangular Duct Length, inches 222 222 222

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Wednesday, January 19, 2011 Page 15 of 18
Welsh Unit 1

7/29/2010

Location Stack - Method 3A CO2

Average

Run Number 1 2 3

Test Date 4/16/2010 4/16/2010 4/16/2010

Run Start Time 8:15:00 AM 10:55:00 AM 1:30:00 PM

Run Finish Time 10:14:00 AM 12:54:00 PM 3:29:00 PM

Carbon Dioxide, % 12.8 12.4 12.4 12.533

Oxygen, % 6.6 7.1 7.1 6.933

Fuel Factor 1.12 1.11 1.11

Dry Volumetric Flow Rate, dry scfm 1342123 1388693 1370358 1,367,058.0

00

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

Moisture, % 11.1 9.5 11.2 10.600

Analyzer Make ServoMex ServoMex ServoMex

Analyzer Model 01440D1 01440D1 01440D1 14,400.000

Analyzer Serial Number 3791 3791 3791 3,791.000

Operating Range 20 20 20 20.000

Operating Units % % %

No. Readings/Avg. 119 119 119 119.000

Calibration Set 0 0 0 0.000

Calibration Pre Zero Cylinder ID CC34785-CO2 CC34785-

CO2

CC34785-

CO2

Calibration Pre Zero Cylinder Instrument Response 0.01 0.06 0.05 0.040

Calibration Pre Zero Cylinder Bias -0.15 0.1 0.05 0.000

Calibration Pre Zero Cylinder Drift 0 0 0 0.000

Calibration Pre High Cylinder ID CC205369-

CO2

CC205369-

CO2

CC205369-

CO2

Calibration Pre High Cylinder Instrument Response 9.79 9.76 9.77 9.773

Calibration Pre High Cylinder Bias -0.5 -0.65 -0.6 -0.583

Calibration Pre High Cylinder Drift 0 0 0 0.000

Calibration Post Zero Cylinder ID CC34785-CO2 CC34785-

CO2

CC34785-

CO2

Calibration Post Zero Cylinder Instrument Response 0.06 0.05 0.05 0.053

Calibration Post Zero Cylinder Bias 0.1 0.05 0.05 0.067

Calibration Post Zero Cylinder Drift 0.25 0.05 0 0.100

Calibration Post High Cylinder ID CC205369-

CO2

CC205369-

CO2

CC205369-

CO2

Calibration Post High Cylinder Instrument Response 9.76 9.77 9.76 9.763

Calibration Post High Cylinder Bias -0.65 -0.6 -0.65 -0.633

Calibration Post High Cylinder Drift 0.15 0.05 0.05 0.083

Cavg 12.8 12.4 12.4 12.533

Cavg Units %vd %vd %vd

Cgas 12.8436 12.4594 12.4581 12.587

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

Wednesday, January 19, 2011 Page 16 of 18
Welsh Unit 1

7/29/2010

Location Stack - Method 3A O2

Average

Run Number 1 2 3

Test Date 4/16/2010 4/16/2010 4/16/2010

Run Start Time 8:15:00 AM 10:55:00 AM 1:30:00 PM

Run Finish Time 10:14:00 AM 12:54:00 PM 3:29:00 PM

Carbon Dioxide, % 12.8 12.4 12.4 12.533

Oxygen, % 6.6 7.1 7.1 6.933

Fuel Factor 1.12 1.11 1.11

Dry Volumetric Flow Rate, dry scfm 1342123 1388693 1370358 1,367,058.0

00

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

Moisture, % 11.1 9.5 11.2 10.600

Analyzer Make ServoMex ServoMex ServoMex

Analyzer Model 01440D1 01440D1 01440D1 14,400.000

Analyzer Serial Number 3791 3791 3791 3,791.000

Operating Range 25 25 25 25.000

Operating Units % % %

No. Readings/Avg. 119 119 119 119.000

Calibration Set 1 1 1 1.000

Calibration Pre Zero Cylinder ID CC34785-O2 CC34785-O2 CC34785-O2

Calibration Pre Zero Cylinder Instrument Response 0.05 0.02 0.02 0.030

Calibration Pre Zero Cylinder Bias 0.12 0 0 0.040

Calibration Pre Zero Cylinder Drift 0 0 0 0.000

Calibration Pre High Cylinder ID CC205369-O2 CC205369-

O2

CC205369-

O2

Calibration Pre High Cylinder Instrument Response 11.96 11.93 11.89 11.927

Calibration Pre High Cylinder Bias -0.12 -0.24 -0.4 -0.253

Calibration Pre High Cylinder Drift 0 0 0 0.000

Calibration Post Zero Cylinder ID CC34785-O2 CC34785-O2 CC34785-O2

Calibration Post Zero Cylinder Instrument Response 0.02 0.02 0.02 0.020

Calibration Post Zero Cylinder Bias 0 0 0 0.000

Calibration Post Zero Cylinder Drift 0.12 0 0 0.040

Calibration Post High Cylinder ID CC205369-O2 CC205369-

O2

CC205369-

O2

Calibration Post High Cylinder Instrument Response 11.93 11.89 11.85 11.890

Calibration Post High Cylinder Bias -0.24 -0.4 -0.56 -0.400

Calibration Post High Cylinder Drift 0.12 0.16 0.16 0.147

Cavg 6.6 7.1 7.1 6.933

Cavg Units %vd %vd %vd

Cgas 6.576 7.1038 7.1278 6.936

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

Wednesday, January 19, 2011 Page 17 of 18
Welsh Unit 1

7/29/2010

Location Stack - OTM - 27/28

Average

Run Number MOTM27/OT

M28-1

MOTM27/O

TM28-2

MOTM27/OT

M28-3

Test Date 4/13/2010 4/14/2010 4/15/2010

Run Start Time 8:20:00 AM 7:50:00 AM 7:45:00 AM

Run Finish Time 3:01:00 PM 2:01:45 PM 1:50:45 PM

Net Traversing Points 79 78 78

Net Run Time, minutes 360 360.5 356

Nozzle Diameter, inches 0.1 0.1 0.1 0.100

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 1.008 1.008 1.008 1.008

Barometric Pressure, inches of Mercury 29.94 29.94 29.94 29.940

Average Orifice Meter Differential, inches H2O 0.41 0.41 0.41 0.410

Dry Gas Meter Volume Sampled, cubic feet 126.915 124.452 128.941 126.769

Average Dry Gas Meter Temperature, °F 78.10 81.11 78.52 79.243

Dry Gas Meter Volume Sampled, dscf 125.739 122.613 127.647 125.333

Total Moisture Liquid collected, g 239.2 299.3 326.1 288.200

Volume of Water Vapor, standard cubic feet 11.26 14.09 15.35 13.567

Moisture Content of Stack Gas, % 8.22 10.31 10.73 9.753

Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000

Dry Mole Fraction 0.9178 0.8969 0.8927 0.902

Carbon Dioxide, % 12.7 12.4 12.8 12.633

Oxygen, % 6.78 7.3 6.8 6.960

Carbon Monoxide & Nitrogen, % 80.52 80.3 80.4 80.407

Fuel Factor 1.11 1.10 1.10

Dry Molecular Weight, lb/lb-Mole 30.30 30.28 30.32 30.300

Wet Molecular weight, lb/lb-Mole 29.29 29.01 29.00 29.100

Flue Gas Static Pressure, inches of H2O 1 1 1 1.000

Absolute Flue Gas Pressure, inches of Mercury 30.01 30.01 30.01 30.010

Average Stack Gas Temperature, °F 300.01 290.33 291.71 294.017

Average Velocity Head, inches of H2O 5.2233586495

5268

6.045526364

18172

6.113780710

71408

5.794

Average Stack Gas Velocity, feet/second 152.61 163.92 165.02 160.517

Stack Cross-Sectional Area, square feet 222.000 222.000 222.000 222.000

Dry Volumetric Flow Rate, dry scfm 1,300,032.7 1,382,185.1 1,382,402.0 1,354,873.2

67

Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,032,765.2 2,183,414.4 2,198,066.4 2,138,082.0

00

Percent Isokinetic of Sampling Rate, % 109.4 100.2 105.6 105.067

Percent Excess Air, % 46.8 52.5 47.1 48.800

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

Round Duct Diameter, inches 0 0 0

Rectangular Duct Width, inches 144 144 144

Rectangular Duct Length, inches 222 222 222

Fw 10640 10640 10640 10,640.000

Fc 1800 1800 1800 1,800.000

Wednesday, January 19, 2011 Page 18 of 18