### Name: Daniel R. Wilkus

Title: Director, Air Programs Company: Westar Energy, Inc. Sign Date: 8/24/2010 Name: Chuck Bruffey Title: Program Director Company: Shaw Environmental & Infrastructur Sign Date: 8/17/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## Westar Lawrence Boiler 3 ICR Test Program

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.

Friday, February 11, 2011 Page 1 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010 Facility Information: Lawrence Energy Center
1250 N 1800 Road

Lawrence KS 66049 Contact:Kevin McCarthy Phone: 785-575-1838 Fax: 785-575-8039 Email: kevin.mccarthy@westarenergy.com Testing Company:
Shaw Environmental and Infrastructure Inc.
5050 Section Avenue

Cincinnati OH45212 Contact:Chuck Bruffey Phone: 513-782-4890 Fax: 513-782-4807 Email:

Air Permit Number: 110031385472 Permitted Source ID/Name: Lawrence Energy Center 1250 Permitted Maximum Process Rate: 60 Megawatts Max. Normal Operation Process Rate: 60 Megawatts Target Process Test Rate 60 Megawatts

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Boiler 3 is a tangential -fired dry-bottom coal-fired boiler with ESP system for particulate control. Industry/SCC/NAIS 335311

Sampling Location Information:

Test Parameter Information: AFS #: 1100031385472 FRS #: 110031385472

SCC / Description10100222 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 Boiler 3 Stack 0 255 665 4 97 16 84 114

Target Parameter Test Method Number of

Test Runs Test Run

Duration Sample

Points Comments Location Carbon Monoxide Method 10 3 120 0 Boiler 3 StackTotal organic compounds

(TOC) as Propane Method 25A 3 120 0 Boiler 3 Stack

Total PM2.5 OTM - 27/28 3 345 0 Boiler 3 StackFilterable Particulate OTM - 27/28 3 345 0 Boiler 3 StackFilterable PM2.5 OTM - 27/28 3 345 0 Boiler 3 Stack Regulation Description Compound Limit Unit None 0



### Friday, February 11, 2011 Page 2 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010

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.
None Inorganic (Aqueous)

Condensible Part. OTM - 27/28 3 345 0 Boiler 3 Stack
Organic Condensible

Particulate OTM - 27/28 3 345 0 Boiler 3 Stack

Total Particulate OTM - 27/28 3 345 0 Boiler 3 StackArsenic Method 29 3 240 0 Boiler 3 StackBeryllium Method 29 3 240 0 Boiler 3 StackCadmium Method 29 3 240 0 Boiler 3 StackChromium Method 29 3 240 0 Boiler 3 StackCobalt Method 29 3 240 0 Boiler 3 StackLead Method 29 3 240 0 Boiler 3 StackManganese Method 29 3 240 0 Boiler 3 StackNickel Method 29 3 240 0 Boiler 3 StackSelenium Method 29 3 240 0 Boiler 3 StackAntimony Method 29 3 240 0 Boiler 3 StackO2 Method 3A O2 3 120 0 Boiler 3 StackCo2 Method 3A CO2 3 120 0 Boiler 3 StackMercury Method 30B 3 120 0 Boiler 3 Stack



### Friday, February 11, 2011 Page 3 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010 Sampling / Stack Data Results Summary


### Location Boiler 3 Stack - Method 10 Average Run Number 1 2 3
Test Date 5/4/2010 5/4/2010 5/4/2010 Run Start Time 8:12:00 AM 11:26:00 AM 2:19:00 PM

Run Finish Time 10:12:00 AM 1:34:00 PM 4:34:00 PM Carbon Dioxide, % 14.51 14.25 14.34 14.367 Oxygen, % 5.3 5.14 5.07 5.170 Dry Volumetric Flow Rate, dry scfm 142039 131902 138000 137,313.667 F-Factor, dscfm/MMBtu @ %O2 9612 9612 9597 9,607.000 Moisture, % 0 0 0.000 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Boiler 3 Stack - Method 25A Average Run Number 1 2 3
Test Date 5/4/2010 5/4/2010 5/4/2010 Run Start Time 8:12:00 AM 11:26:00 AM 2:19:00 PM

Run Finish Time 10:12:00 AM 1:34:00 PM 4:34:00 PM Carbon Dioxide, % 14.44 14.25 14.34 14.343 Oxygen, % 5.26 5.14 5.07 5.157 Dry Volumetric Flow Rate, dry scfm 142039 131902 138000 137,313.667 F-Factor, dscfm/MMBtu @ %O2 9612 9566 9597 9,591.667 Moisture, % 11.6 13.9 11.6 12.367 Fuel Type Override Override Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Friday, February 11, 2011 Page 4 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010
Location Boiler 3 Stack - Method 29 Average Run Number WL3-29-1 WL3-29-2 WL3-29-3
Test Date 5/5/2010 5/5/2010 5/6/2010 Run Start Time 7:30:00 AM 12:11:00 PM 7:28:00 AM

Run Finish Time 11:39:00 AM4:29:00 PM 11:37:00 AM Net Run Time, minutes 240 240 240 Dry Gas Meter Volume Sampled, dscf 174.592 181.089 169.946 175.209 Moisture Content of Stack Gas, % 11.84 11.61 11.72 11.723 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 14.4 14.3 14.5 14.400 Oxygen, % 5.3 5.3 5.3 5.300 Average Stack Gas Temperature, °F 322.13 328.63 317.94 322.900 Dry Volumetric Flow Rate, dry scfm 137,522.5 142,769.2 133,374.6 137,888.767 Actual Wet Volumetric Flue Gas Flow Rate, acfm 238,402.5 247,539.6 229,265.4 238,402.500 Percent Isokinetic of Sampling Rate, % 99.2 99.1 99.5 99.267 F-Factor, dscfm/MMBtu @ %O2 9967 9667 9667 9,767.000
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Boiler 3 Stack - Method 3A CO2 Average Run Number 1 2 3
Test Date 5/4/2010 5/4/2010 5/4/2010 Run Start Time 8:12:00 AM 11:26:00 AM 2:19:00 PM

Run Finish Time 10:12:00 AM 1:34:00 PM 4:34:00 PM Carbon Dioxide, % 14.44 14.25 14.34 14.343 Oxygen, % 5.26 5.14 5.07 5.157 Dry Volumetric Flow Rate, dry scfm 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0.000 Moisture, % 0 0 0.000 Fuel Type Override
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Friday, February 11, 2011 Page 5 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010
Location Boiler 3 Stack - Method 3A O2 Average Run Number 1 2 3
Test Date 5/4/2010 5/4/2010 5/4/2010 Run Start Time 8:12:00 AM 11:26:00 AM 2:19:00 PM

Run Finish Time 10:12:00 AM 1:34:00 PM 4:34:00 PM Carbon Dioxide, % 14.44 14.25 14.34 14.343 Oxygen, % 5.26 5.14 5.07 5.157 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 0 0 0 0.000 Fuel Type
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Location Boiler 3 Stack - OTM - 27/28 Average Run Number WL3- 027/028-1 WL3-

027/028-2 WL3-

027/028-3
Test Date 5/6/2010 5/8/2010 5/8/2010 Run Start Time 12:25:00 PM 8:39:00 AM 3:44:00 PM

Run Finish Time 5:33:00 PM 2:39:00 PM 9:57:00 PM Net Run Time, minutes 300 345 345 Dry Gas Meter Volume Sampled, dscf 99.988 116.760 114.881 110.543 Moisture Content of Stack Gas, % 12.72 12.57 12.06 12.450 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 14.4 14.4 14.4 14.400 Oxygen, % 5.2 5.2 5.2 5.200 Average Stack Gas Temperature, °F 324.81 320.31 320.75 321.957 Dry Volumetric Flow Rate, dry scfm 149,772.3 152,371.3 153,737.5 151,960.367 Actual Wet Volumetric Flue Gas Flow Rate, acfm 262,701.6 266,372.4 265,335.0 264,803.000 Percent Isokinetic of Sampling Rate, % 96.1 98.3 93.6 96.000 F-Factor, dscfm/MMBtu @ %O2 9967 9967 9967 9,967.000
Fw 0 0 0 0.000
Fc 0 0 0 0.000



### Friday, February 11, 2011 Page 6 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010 Emissions Summary


### Location: Boiler 3 Stack - Method 10 Compound: Carbon Monoxide Average Run 1 2 3 Elb/hr 4.86E+02 4.98E+02 6.51E+02 545.000 lb/mmBtuO2 7.35E-01 8.03E-01 9.97E-01 0.845 ppm 7.85E+02 8.66E+02 1.08E+03 910.333 ppm@7%O2 6.99E+02 7.64E+02 9.48E+02 803.667



### Location: Boiler 3 Stack - Method 25A Compound: Total organic compounds (TOC) as Average Run 1 2 3 Elb/hr 5.56E-02 1.06E-01 1.07E-01 0.090 lb/mmBtuO2 8.38E-05 1.69E-04 1.64E-04 0.000 ppm 5.70E-02 1.17E-01 1.13E-01 0.096 ppm@7%O2 5.07E-02 1.03E-01 9.92E-02 0.084



### Location: Boiler 3 Stack - Method 29 Compound: Antimony Average RunNumber WL3-29-1 WL3-29-2 WL3-29-3 Mass_mg 0.00252 0.0029 0.0018 0.002 lb/mmBtuO2 4.25E-07 4.57E-07 3.02E-07 0.000 

### Compound: Arsenic Average RunNumber WL3-29-1 WL3-29-2 WL3-29-3 Mass_mg 0.00267 0.00043 0.00151 0.002 lb/mmBtuO2 4.50E-07 6.78E-08 2.54E-07 0.000 

### Compound: Beryllium Average RunNumber WL3-29-1 WL3-29-2 WL3-29-3 Mass_mg 0.00001 0.00001 0.00001 0.000 lb/mmBtuO2 1.69E-09 1.58E-09 1.68E-09 0.000 

### Compound: Cadmium Average RunNumber WL3-29-1 WL3-29-2 WL3-29-3 Mass_mg 0.0006 0.00056 0.00043 0.001 lb/mmBtuO2 1.01E-07 8.83E-08 7.22E-08 0.000 

### Compound: Chromium Average RunNumber WL3-29-1 WL3-29-2 WL3-29-3 Mass_mg 0.00653 0.01291 0.00888 0.009 lb/mmBtuO2 1.10E-06 2.04E-06 1.49E-06 0.000



### Friday, February 11, 2011 Page 7 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010 Compound: Cobalt Average RunNumber WL3-29-1 WL3-29-2 WL3-29-3 Mass_mg 0.00137 0.00165 0.00146 0.001 lb/mmBtuO2 2.31E-07 2.60E-07 2.45E-07 0.000 

### Compound: Lead Average RunNumber WL3-29-1 WL3-29-2 WL3-29-3 Mass_mg 0.03423 0.02468 0.0246 0.028 lb/mmBtuO2 5.77E-06 3.89E-06 4.13E-06 0.000 

### Compound: Manganese Average RunNumber WL3-29-1 WL3-29-2 WL3-29-3 Mass_mg 0.05494 0.05434 0.05206 0.054 lb/mmBtuO2 9.26E-06 8.57E-06 8.75E-06 0.000 

### Compound: Nickel Average RunNumber WL3-29-1 WL3-29-2 WL3-29-3 Mass_mg 0.01353 0.01921 0.014 0.016 lb/mmBtuO2 2.28E-06 3.03E-06 2.35E-06 0.000 

### Compound: Selenium Average RunNumber WL3-29-1 WL3-29-2 WL3-29-3 Mass_mg 0.0224 0.07895 0.04799 0.050 lb/mmBtuO2 3.78E-06 1.24E-05 8.06E-06 0.000



### Location: Boiler 3 Stack - OTM - 27/28 

### Compound: Filterable Particulate Average RunNumber WL3-027/028-1 WL3-027/028-2 WL3-027/028-3 Mass_mg 19.9 21.3 22 21.067 lb/mmBtuO2 5.82E-03 5.34E-03 5.60E-03 0.006 

### Compound: Filterable PM2.5 Average RunNumber WL3-027/028-1 WL3-027/028-2 WL3-027/028-3 Mass_mg 8.4 9 10 9.133 lb/mmBtuO2 2.46E-03 2.25E-03 2.55E-03 0.002 

### Compound: Inorganic (Aqueous) Condensible Pa Average RunNumber WL3-027/028-1 WL3-027/028-2 WL3-027/028-3 Mass_mg 41.5 23.6 39.5 34.867 lb/mmBtuO2 1.21E-02 5.91E-03 1.01E-02 0.009 

### Compound: Organic Condensible Particulate Average RunNumber WL3-027/028-1 WL3-027/028-2 WL3-027/028-3 Mass_mg 2.6 7.7 6 5.433


### Friday, February 11, 2011 Page 8 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010

Process Run Data lb/mmBtuO2 7.61E-04 1.93E-03 1.53E-03 0.001 

### Compound: Total Particulate Average RunNumber WL3-027/028-1 WL3-027/028-2 WL3-027/028-3 Mass_mg 64 52.7 67.5 61.400 lb/mmBtuO2 1.87E-02 1.32E-02 1.72E-02 0.016 

### Compound: Total PM2.5 Average RunNumber WL3-027/028-1 WL3-027/028-2 WL3-027/028-3 Mass_mg 9 10.1 10.5 9.867 lb/mmBtuO2 2.63E-03 2.53E-03 2.67E-03 0.003



### Friday, February 11, 2011 Page 9 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010 Process Run Data

APCD Run Data

Process Lab Run Data 

### Run Name Value UOM Comments Target Value 1 Gross Load 46.42 Megawatts 5/4/10


### 2 Gross Load 51.34 Megawatts 5/5/10
3 Gross Load 49.34 Megawatts 5/6/10
4 Gross Load 50.69 Megawatts 5/7/10


### 1 Gross Unit Heat Rate 0 BTU/KWh 0
2 Gross Unit Heat Rate 0 BTU/KWh 0
3 Gross Unit Heat Rate 0 BTU/KWh 0


### 4 Gross Unit Heat Rate 0 BTU/KWh 0
1 Steam Flow Rate 0 1000 lb/h 0
2 Steam Flow Rate 0 1000 lb/h 0


### 3 Steam Flow Rate 0 1000 lb/h 0
4 Steam Flow Rate 0 1000 lb/h 0

Run Name Value UOM Comments Target Value 

### 1 ELECTROSTATIC PRECIPITATOR 0 0

Friday, February 11, 2011 Page 10 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010 Sampling / Stack Data Results Detail


### Location Boiler 3 Stack - Method 10 Average Run Number 1 2 3 Test Date 5/4/2010 5/4/2010 5/4/2010 Run Start Time 8:12:00 AM11:26:00 AM 2:19:00 PM Run Finish Time 10:12:00 AM 1:34:00 PM 4:34:00 PM Carbon Dioxide, % 14.51 14.25 14.34 14.367 Oxygen, % 5.3 5.14 5.07 5.170 Fuel Factor 1.08 1.11 1.1 Dry Volumetric Flow Rate, dry scfm 142039 131902 138000137,313.667 F-Factor, dscfm/MMBtu @ %O2 9612 9612 9597 9,607.000 Moisture, % 0 0 0.000 Analyzer Make Teco Teco TECO Analyzer Model 48c 48c 48c Analyzer Serial Number Operating Range 5000 5000 5000 5,000.000 Operating Units ppm ppm ppm No. Readings/Avg. 60 60 60 60.000 Calibration Set 2 2 2 2.000 Calibration Pre Zero Cylinder ID SG9135100B AL COSG9135100B

AL CO SG9135100B

AL CO Calibration Pre Zero Cylinder Instrument Response 0.2 0.2 0.1 0.167 Calibration Pre Zero Cylinder Bias -10.12 0 0 -3.373 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID XCO12998BXCO12998B XCO12998B Calibration Pre High Cylinder Instrument Response 506.5 508.2 508.4 507.700 Calibration Pre High Cylinder Bias 0 0.04 0.04 0.027 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID SG9135100B AL COSG9135100B

AL CO SG9135100B

AL CO Calibration Post Zero Cylinder Instrument Response 0.2 0.1 0.1 0.133 Calibration Post Zero Cylinder Bias -10.12 0 0 -3.373 Calibration Post Zero Cylinder Drift 0 0 0 0.000 Calibration Post High Cylinder ID XCO12998BXCO12998B XCO12998B Calibration Post High Cylinder Instrument Response 508.2 508.4 507.1 507.900 Calibration Post High Cylinder Bias 0.04 0.04 0.02 0.033 Calibration Post High Cylinder Drift 0.04 0 0.02 0.020 Cavg 787.7 870.6 1086.7 915.000 Cavg Units ppmvd ppmvd ppmvd Cgas 785.0932 866.0819 1082.2121 911.129 Cgas Units ppmvd ppmvd ppmvd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units ppmvw



### Friday, February 11, 2011 Page 11 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010
Location Boiler 3 Stack - Method 25A Average Run Number 1 2 3 Test Date 5/4/2010 5/4/2010 5/4/2010 Run Start Time 8:12:00 AM11:26:00 AM 2:19:00 PM Run Finish Time 10:12:00 AM 1:34:00 PM 4:34:00 PM Carbon Dioxide, % 14.44 14.25 14.34 14.343 Oxygen, % 5.26 5.14 5.07 5.157 Fuel Factor 1.08 1.11 1.1 Dry Volumetric Flow Rate, dry scfm 142039 131902 138000137,313.667 F-Factor, dscfm/MMBtu @ %O2 9612 9566 9597 9,591.667 Moisture, % 11.6 13.9 11.6 12.367 Analyzer Make JUM JUM JUM Analyzer Model 109A 109A 109A Analyzer Serial Number Operating Range 25 25 25 25.000 Operating Units ppm ppm ppm No. Readings/Avg. 0 0 0 0.000 Calibration Set 1 1 1 1.000 Calibration Pre Zero Cylinder ID SG9135100B ALSG9135100B

AL SG9135100B

AL Calibration Pre Zero Cylinder Instrument Response 0 0 0 0.000 Calibration Pre Zero Cylinder Bias 0 0 0 0.000 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC27249 M CC27249 M CC27249 M Calibration Pre High Cylinder Instrument Response 12.5 12.5 12.5 12.500 Calibration Pre High Cylinder Bias 0 0 0 0.000 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID SG9135100B ALSG9135100B

AL SG9135100B

AL Calibration Post Zero Cylinder Instrument Response 0.1 0 0 0.033 Calibration Post Zero Cylinder Bias 0.4 0 0 0.133 Calibration Post Zero Cylinder Drift 0.4 0 0 0.133 Calibration Post High Cylinder ID CC27249 M CC27249 M CC27249 M Calibration Post High Cylinder Instrument Response 12.4 12.4 12.5 12.433 Calibration Post High Cylinder Bias -0.4 -0.4 0 -0.267 Calibration Post High Cylinder Drift 0.4 0.4 0 0.267 Cavg 0.1 0.1 0.1 0.100 Cavg Units ppmvw ppmvw ppmvw Cgas 0.057 0.1166 0.1131 0.096 Cgas Units ppmvd ppmvd ppmvd Fuel Type Override Override Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 5.0403225806 4516E-020.100401606

425703 0.1 0.084
Cgasw Units ppmvw ppmvw ppmvw



### Friday, February 11, 2011 Page 12 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010
Location Boiler 3 Stack - Method 29 Average Run Number WL3-29-1 WL3-29-2 WL3-29-3 Test Date 5/5/2010 5/5/2010 5/6/2010 Run Start Time 7:30:00 AM12:11:00 PM 7:28:00 AM Run Finish Time 11:39:00 AM 4:29:00 PM 11:37:00 AM Net Traversing Points 16 16 16 Net Run Time, minutes 240 240 240 Nozzle Diameter, inches 0.255 0.255 0.255 0.255 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.977 0.977 0.977 0.977 Barometric Pressure, inches of Mercury 29.04 29.2 29.1 29.113 Average Orifice Meter Differential, inches H2O 1.92 2.13 1.77 1.940 Dry Gas Meter Volume Sampled, cubic feet 187.891 200.247 178.979 189.039 Average Dry Gas Meter Temperature, °F 81.44 99.69 70.75 83.960 Dry Gas Meter Volume Sampled, dscf 174.592 181.089 169.946 175.209 Total Moisture Liquid collected, g 498.2 505.4 479.2 494.267 Volume of Water Vapor, standard cubic feet 23.45 23.79 22.56 23.267 Moisture Content of Stack Gas, % 11.84 11.61 11.72 11.723 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8816 0.8839 0.8828 0.883 Carbon Dioxide, % 14.4 14.3 14.5 14.400 Oxygen, % 5.3 5.3 5.3 5.300 Carbon Monoxide & Nitrogen, % 80.3 80.4 80.2 80.300 Fuel Factor 1.08 1.09 1.08 Dry Molecular Weight, lb/lb-Mole 30.52 30.50 30.53 30.517 Wet Molecular weight, lb/lb-Mole 29.04 29.05 29.06 29.050 Flue Gas Static Pressure, inches of H2O -0.53 -0.53 -0.73 -0.597 Absolute Flue Gas Pressure, inches of Mercury 29.00 29.16 29.05 29.070 Average Stack Gas Temperature, °F 322.13 328.63 317.94 322.900 Average Velocity Head, inches of H2O 0.7454970901 164760.801813308

304977 0.694699026

324611 0.747
Average Stack Gas Velocity, feet/second 59.75 62.04 57.46 59.750 Stack Cross-Sectional Area, square feet 66.500 66.500 66.500 66.500 Dry Volumetric Flow Rate, dry scfm 137,522.5 142,769.2 133,374.6137,888.767 Actual Wet Volumetric Flue Gas Flow Rate, acfm 238,402.5 247,539.6 229,265.4238,402.500 Percent Isokinetic of Sampling Rate, % 99.2 99.1 99.5 99.267 Percent Excess Air, % 33.3 33.3 33.4 33.333 F-Factor, dscfm/MMBtu @ %O2 9967 9667 9667 9,767.000 Round Duct Diameter, inches 0 0 0 Rectangular Duct Width, inches 84 84 84 Rectangular Duct Length, inches 114 114 114 Fw 0 0 0 0.000 Fc 0 0 0 0.000



### Friday, February 11, 2011 Page 13 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010
Location Boiler 3 Stack - Method 3A CO2 Average Run Number 1 2 3 Test Date 5/4/2010 5/4/2010 5/4/2010 Run Start Time 8:12:00 AM11:26:00 AM 2:19:00 PM Run Finish Time 10:12:00 AM 1:34:00 PM 4:34:00 PM Carbon Dioxide, % 14.44 14.25 14.34 14.343 Oxygen, % 5.26 5.14 5.07 5.157 Fuel Factor 1.08 1.11 1.1 Dry Volumetric Flow Rate, dry scfm 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0.000 Moisture, % 0 0 0.000 Analyzer Make Servomex Servomex Servomex Analyzer Model 1440 1440 1440 1,440.000 Analyzer Serial Number Operating Range 20 20 20 20.000 Operating Units % % % No. Readings/Avg. 60 60 60 60.000 Calibration Set 3 3 3 3.000 Calibration Pre Zero Cylinder ID SG9135100B AL CO2SG9135100B

AL CO2 SG9135100B

AL CO2 Calibration Pre Zero Cylinder Instrument Response 0.07 0.2 0.07 0.113 Calibration Pre Zero Cylinder Bias 0.35 1 0.35 0.567 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC237126 CC237126 CC237126 Calibration Pre High Cylinder Instrument Response 10.12 10.23 10.05 10.133 Calibration Pre High Cylinder Bias -0.4 0.15 -0.75 -0.333 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID SG9135100B AL CO2SG9135100B

AL CO2 SG9135100B

AL CO2 Calibration Post Zero Cylinder Instrument Response 0.2 0.07 0.07 0.113 Calibration Post Zero Cylinder Bias 1 0.35 0.35 0.567 Calibration Post Zero Cylinder Drift 0.65 0.65 0 0.433 Calibration Post High Cylinder ID CC237126 CC237126 CC237126 Calibration Post High Cylinder Instrument Response 10.23 10.05 10.05 10.110 Calibration Post High Cylinder Bias 0.15 -0.75 -0.75 -0.450 Calibration Post High Cylinder Drift 0.55 0.9 0 0.483 Cavg 14.44 14.25 14.34 14.343 Cavg Units %vd %vd %vd Cgas 14.5045 14.3619 14.556 14.474 Cgas Units %vd %vd %vd Fuel Type Override Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Friday, February 11, 2011 Page 14 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010
Location Boiler 3 Stack - Method 3A O2 Average Run Number 1 2 3 Test Date 5/4/2010 5/4/2010 5/4/2010 Run Start Time 8:12:00 AM11:26:00 AM 2:19:00 PM Run Finish Time 10:12:00 AM 1:34:00 PM 4:34:00 PM Carbon Dioxide, % 14.44 14.25 14.34 14.343 Oxygen, % 5.26 5.14 5.07 5.157 Fuel Factor 1.08 1.11 1.1 Dry Volumetric Flow Rate, dry scfm 0 0 0 0.000 F-Factor, dscfm/MMBtu @ %O2 0 0 0 0.000 Moisture, % 0 0 0 0.000 Analyzer Make Servomex Servomex Servomex Analyzer Model 1440 1440 1440 1,440.000 Analyzer Serial Number Operating Range 25 25 25 25.000 Operating Units % % % No. Readings/Avg. 60 60 60 60.000 Calibration Set 4 4 4 4.000 Calibration Pre Zero Cylinder ID SG9135100B AL O2SG9135100B

AL O2 SG9135100B

AL O2 Calibration Pre Zero Cylinder Instrument Response 0.05 0.02 0.01 0.027 Calibration Pre Zero Cylinder Bias 0.2 0.08 0.04 0.107 Calibration Pre Zero Cylinder Drift 0 0 0 0.000 Calibration Pre High Cylinder ID CC237126 O2 CC237126 O2 CC237126

O2 Calibration Pre High Cylinder Instrument Response 11.8 11.83 11.81 11.813 Calibration Pre High Cylinder Bias -0.64 -0.52 -0.6 -0.587 Calibration Pre High Cylinder Drift 0 0 0 0.000 Calibration Post Zero Cylinder ID SG9135100B AL O2SG9135100B

AL O2 SG9135100B

AL O2 Calibration Post Zero Cylinder Instrument Response 0.02 0.01 0.01 0.013 Calibration Post Zero Cylinder Bias 0.08 0.04 0.04 0.053 Calibration Post Zero Cylinder Drift 0.12 0.04 0 0.053 Calibration Post High Cylinder ID CC237126 O2 CC237126 O2 CC237126

O2 Calibration Post High Cylinder Instrument Response 11.83 11.81 11.84 11.827 Calibration Post High Cylinder Bias -0.52 -0.6 -0.48 -0.533 Calibration Post High Cylinder Drift 0.12 0.08 0.12 0.107 Cavg 5.26 5.14 5.07 5.157 Cavg Units %vd %vd %vd Cgas 5.296 5.1836 5.1135 5.198 Cgas Units %vd %vd %vd Fuel Type Fw 0 0 0 0.000 Fc 0 0 0 0.000 Cgasw 0 0 0 0.000 Cgasw Units



### Friday, February 11, 2011 Page 15 of 16

### Westar Lawrence Boiler 3 ICR Test Program
8/24/2010
Location Boiler 3 Stack - OTM - 27/28 Average Run Number WL3-027/028- 1 WL3- 027/028-2 WL3-

027/028-3 Test Date 5/6/2010 5/8/2010 5/8/2010 Run Start Time 12:25:00 PM 8:39:00 AM 3:44:00 PM Run Finish Time 5:33:00 PM 2:39:00 PM 9:57:00 PM Net Traversing Points 16 16 16 Net Run Time, minutes 300 345 345 Nozzle Diameter, inches 0.168 0.166 0.168 0.167 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 0.977 0.97 0.977 0.975 Barometric Pressure, inches of Mercury 29.1 28.98 29.2 29.093 Average Orifice Meter Differential, inches H2O 0.42 0.42 0.42 0.420 Dry Gas Meter Volume Sampled, cubic feet 109.072 124.129 121.641 118.281 Average Dry Gas Meter Temperature, °F 87.88 67.94 73.63 76.483 Dry Gas Meter Volume Sampled, dscf 99.988 116.760 114.881 110.543 Total Moisture Liquid collected, g 309.5 356.5 334.8 333.600 Volume of Water Vapor, standard cubic feet 14.57 16.78 15.76 15.703 Moisture Content of Stack Gas, % 12.72 12.57 12.06 12.450 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.8728 0.8743 0.8794 0.876 Carbon Dioxide, % 14.4 14.4 14.4 14.400 Oxygen, % 5.2 5.2 5.2 5.200 Carbon Monoxide & Nitrogen, % 80.4 80.4 80.4 80.400 Fuel Factor 1.09 1.09 1.09 Dry Molecular Weight, lb/lb-Mole 30.51 30.51 30.51 30.510 Wet Molecular weight, lb/lb-Mole 28.92 28.94 29.00 28.953 Flue Gas Static Pressure, inches of H2O -0.73 -0.72 -0.73 -0.727 Absolute Flue Gas Pressure, inches of Mercury 29.05 28.93 29.15 29.043 Average Stack Gas Temperature, °F 324.81 320.31 320.75 321.957 Average Velocity Head, inches of H2O 0.8997407190 413520.927396342

148624 0.928362644

046549 0.918
Average Stack Gas Velocity, feet/second 65.84 66.76 66.50 66.367 Stack Cross-Sectional Area, square feet 66.500 66.500 66.500 66.500 Dry Volumetric Flow Rate, dry scfm 149,772.3 152,371.3 153,737.5151,960.367 Actual Wet Volumetric Flue Gas Flow Rate, acfm 262,701.6 266,372.4 265,335.0264,803.000 Percent Isokinetic of Sampling Rate, % 96.1 98.3 93.6 96.000 Percent Excess Air, % 32.4 32.4 32.4 32.400 F-Factor, dscfm/MMBtu @ %O2 9967 9967 9967 9,967.000 Round Duct Diameter, inches 0 0 0 Rectangular Duct Width, inches 84 84 84 Rectangular Duct Length, inches 114 114 114 Fw 0 0 0 0.000 Fc 0 0 0 0.000



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