### Name: Mr. Eric Sandvig

Title: Prairie Creek Plant Manager Company: Alliant Energy Corporation Sign Date: 7/28/2010 Name: Mr. Jeffery Daniels Title: Lead Field Engineer Company:GE International, Inc. Sign Date: 7/28/2010 Permitted Facility Representative / Date Testing Company Representative / Date 

## Prairie Creek Boiler 4 Dioxin/Furan Test Plan

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.

Monday, January 17, 2011 Page 1 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010 Facility Information: IA Prairie Creek ORIS 1073 3300 C Street SW

Cedar Rapids IA52404-7457 Contact:Mr. Dan Bell Phone:608-458-0466 Fax: 608-458-0121 Email:danielbell@alliantenergy.com Testing Company: GE International, Inc. 888 Industrial Drive

Elmhurst IL60126 Contact:Mr. Jeffery Daniels Phone:630-530-6655 Fax: 630-530-6630 Email:jeffery.daniels@ge.com

Air Permit Number: 99-TV-010-M008 Permitted Source ID/Name: Boiler # 4 015 Permitted Maximum Process Rate: 1370 mmBtu/hr Max. Normal Operation Process Rate: 1400 mmBtu/hr Target Process Test Rate 1370 mmBtu/hr

Description of the source (including control equipment). Please see the attachments for source or process flow diagram: Boiler # 4 was constructed in 1967. It is a wall firing dry bottom boiler that has a rated design capacity of 1370 mmBtu/hr that primarily combusts subbituminous coal with natural gas as a secondary or supplemental fuel. Boiler #4 flow setup: Boiler, Low NOx Burners, Over-fired Air, Dry Electrostatic Precipitator, and Stack. Industry/SCC/NAIS22111

Sampling Location Information:

Test Parameter Information: AFS #:1911300050 FRS #:110017344337

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 Unit 4 Stack 156 842 1014 4 0 24 0 0

Target Parameter Test Method Number of

Test RunsTest Run

DurationSample

Points Comments Location2,3,7,8-TCDD Method 23 3 480 0 Unit 4 Stack1,2,3,7,8-PeCDD Method 23 3 480 0 Unit 4 Stack1,2,3,4,7,8-HxCDD Method 23 3 480 0 Unit 4 Stack1,2,3,6,7,8-HxCDD Method 23 3 480 0 Unit 4 Stack1,2,3,7,8,9-HxCDD Method 23 3 480 0 Unit 4 Stack1,2,3,4,6,7,8-HpCDD Method 23 3 480 0 Unit 4 Stack Regulation Description Compound Limit Unit None 0



### Monday, January 17, 2011 Page 2 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010

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 modifications made.

OCDD Method 23 3 480 0 Unit 4 Stack2,3,7,8-TCDF Method 23 3 480 0 Unit 4 Stack1,2,3,7,8-PeCDF Method 23 3 480 0 Unit 4 Stack2,3,4,7,8-PeCDF Method 23 3 480 0 Unit 4 Stack1,2,3,4,7,8-HxCDF Method 23 3 480 0 Unit 4 Stack1,2,3,6,7,8-HxCDF Method 23 3 480 0 Unit 4 Stack2,3,4,6,7,8-HxCDF Method 23 3 480 0 Unit 4 Stack1,2,3,7,8,9-HxCDF Method 23 3 480 0 Unit 4 Stack1,2,3,4,6,7,8-HpCDF Method 23 3 480 0 Unit 4 Stack1,2,3,4,7,8,9-HpCDF Method 23 3 480 0 Unit 4 StackOCDF Method 23 3 480 0 Unit 4 StackOther TCDD Method 23 3 480 0 Unit 4 StackOther PeCDD Method 23 3 480 0 Unit 4 StackOther HxCDD Method 23 3 480 0 Unit 4 StackOther HpCDD Method 23 3 480 0 Unit 4 StackOther TCDF Method 23 3 480 0 Unit 4 StackOther PeCDF Method 23 3 480 0 Unit 4 StackOther HxCDF Method 23 3 480 0 Unit 4 StackOther HpCDF Method 23 3 480 0 Unit 4 Stack3,3',4,4'-TCB (PCB77) Method 23 3 480 0 Unit 4 Stack3,4,4',5-TCB (PCB81) Method 23 3 480 0 Unit 4 Stack2,3,3',4,4'-PeCB (PCB105) Method 23 3 480 0 Unit 4 Stack2,3,4,4',5-PeCB (PCB114) Method 23 3 480 0 Unit 4 Stack2,3',4,4',5-PeCB (PCB118) Method 23 3 480 0 Unit 4 Stack2',3,4,4',5-PeCB (PCB123) Method 23 3 480 0 Unit 4 Stack3,3',4,4',5-PeCB (PCB126) Method 23 3 480 0 Unit 4 Stack2,3,3',4,4',5/2,3,3',4,4',5'-

HxCB (PCBs156/157) Method 23 3 480 0 Unit 4 Stack
2,3',4,4',5,5'-HxCB (PCB167)Method 23 3 480 0 Unit 4 Stack3,3',4,4',5,5'-HxCB (PCB169)Method 23 3 480 0 Unit 4 Stack2,3,3',4,4',5,5'-HpCB

(PCB189) Method 23 3 480 0 Unit 4 Stack



### Monday, January 17, 2011 Page 3 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010 Sampling / Stack Data Results Summary


### LocationUnit 4 Stack - Method 23 Average Run Number 1 2 3 Test Date 4/7/2010 4/8/2010 4/9/2010 Run Start Time 9:10:00 AM 8:11:00 AM6:15:00 AM

Run Finish Time 5:45:00 PM5:05:00 PM3:25:00 PM Net Run Time, minutes 480 480 480 Dry Gas Meter Volume Sampled, dscf 339.771 366.540 357.833 354.715 Moisture Content of Stack Gas, % 10.80 10.06 10.06 10.307 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Carbon Dioxide, % 13.3 13.1 13.3 13.233 Oxygen, % 5.8 6.2 6.2 6.067 Average Stack Gas Temperature, °F 314.29 314.10 313.77 314.053 Dry Volumetric Flow Rate, dry scfm 288,914.7 311,057.7 308,896.4302,956.267 Actual Wet Volumetric Flue Gas Flow Rate, acfm 495,515.1 524,583.4 517,495.5512,531.333 Percent Isokinetic of Sampling Rate, % 100.1 100.3 98.6 99.667 F-Factor, dscfm/MMBtu @ %O2 9776 9747 9689 9,737.333 Fw 0 0 0 0.000 Fc 1870 1873 1862 1,868.333



### Monday, January 17, 2011 Page 4 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010 Emissions Summary


### Location: Unit 4 Stack - Method 23 Compound: 1,2,3,4,6,7,8-HpCDD Average RunNumber 1 2 3 Mass_mg 0.0000000017 0.0000000015 0.0000000016 0.000 lb/mmBtuO2 1.49E-13 1.25E-13 1.36E-13 0.000 ng/dscm 1.77E-04 1.45E-04 1.58E-04 0.000 ng/dscm@7%O2 1.63E-04 1.37E-04 1.49E-04 0.000 

### Compound: 1,2,3,4,6,7,8-HpCDF Average RunNumber 1 2 3 Mass_mg 0.000000017 0.000000011 0.0000000054 0.000 lb/mmBtuO2 1.49E-12 9.17E-13 4.58E-13 0.000 ng/dscm 1.77E-03 1.06E-03 5.33E-04 0.001 ng/dscm@7%O2 1.63E-03 1.00E-03 5.04E-04 0.001 

### Compound: 1,2,3,4,7,8,9-HpCDF Average RunNumber 1 2 3 Mass_mg 0.000000003 0.000000002 0.0000000019 0.000 lb/mmBtuO2 2.63E-13 1.67E-13 1.61E-13 0.000 ng/dscm 3.12E-04 1.93E-04 1.88E-04 0.000 ng/dscm@7%O2 2.87E-04 1.82E-04 1.78E-04 0.000 

### Compound: 1,2,3,4,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000016 0.0000000017 0.0000000016 0.000 lb/mmBtuO2 1.40E-13 1.42E-13 1.36E-13 0.000 ng/dscm 1.66E-04 1.64E-04 1.58E-04 0.000 ng/dscm@7%O2 1.53E-04 1.55E-04 1.49E-04 0.000 

### Compound: 1,2,3,4,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000015 0.0000000015 0.0000000021 0.000 lb/mmBtuO2 1.32E-13 1.25E-13 1.78E-13 0.000 ng/dscm 1.56E-04 1.45E-04 2.07E-04 0.000 ng/dscm@7%O2 1.44E-04 1.37E-04 1.96E-04 0.000 

### Compound: 1,2,3,6,7,8-HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000016 0.0000000016 0.0000000016 0.000 lb/mmBtuO2 1.40E-13 1.33E-13 1.36E-13 0.000 ng/dscm 1.66E-04 1.54E-04 1.58E-04 0.000 ng/dscm@7%O2 1.53E-04 1.46E-04 1.49E-04 0.000 

### Compound: 1,2,3,6,7,8-HxCDF Average



### Monday, January 17, 2011 Page 5 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010 RunNumber 1 2 3 Mass_mg 0.0000000014 0.0000000014 0.0000000014 0.000 lb/mmBtuO2 1.23E-13 1.17E-13 1.19E-13 0.000 ng/dscm 1.46E-04 1.35E-04 1.38E-04 0.000 ng/dscm@7%O2 1.34E-04 1.28E-04 1.30E-04 0.000 

### Compound: 1,2,3,7,8,9-HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000015 0.0000000016 0.0000000015 0.000 lb/mmBtuO2 1.32E-13 1.33E-13 1.27E-13 0.000 ng/dscm 1.56E-04 1.54E-04 1.48E-04 0.000 ng/dscm@7%O2 1.44E-04 1.46E-04 1.40E-04 0.000 

### Compound: 1,2,3,7,8,9-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000019 0.0000000018 0.0000000019 0.000 lb/mmBtuO2 1.67E-13 1.50E-13 1.61E-13 0.000 ng/dscm 1.98E-04 1.73E-04 1.88E-04 0.000 ng/dscm@7%O2 1.82E-04 1.64E-04 1.78E-04 0.000 

### Compound: 1,2,3,7,8-PeCDD Average RunNumber 1 2 3 Mass_mg 0.0000000016 0.0000000016 0.0000000016 0.000 lb/mmBtuO2 1.40E-13 1.33E-13 1.36E-13 0.000 ng/dscm 1.66E-04 1.54E-04 1.58E-04 0.000 ng/dscm@7%O2 1.53E-04 1.46E-04 1.49E-04 0.000 

### Compound: 1,2,3,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000017 0.0000000016 0.0000000016 0.000 lb/mmBtuO2 1.49E-13 1.33E-13 1.36E-13 0.000 ng/dscm 1.77E-04 1.54E-04 1.58E-04 0.000 ng/dscm@7%O2 1.63E-04 1.46E-04 1.49E-04 0.000 

### Compound:2,3,3',4,4',5,5'-HpCB (PCB189) Average RunNumber 1 2 3 Mass_mg 0.000000017 0.000000014 0.000000017 0.000 lb/mmBtuO2 1.49E-12 1.17E-12 1.44E-12 0.000 ng/dscm 1.77E-03 1.35E-03 1.68E-03 0.002 ng/dscm@7%O2 1.63E-03 1.28E-03 1.59E-03 0.002 

### Compound:2,3,3',4,4',5/2,3,3',4,4',5'-HxCB (PC Average RunNumber 1 2 3 Mass_mg 0.00000012 0.00000021 0.00000019 0.000 lb/mmBtuO2 1.05E-11 1.75E-11 1.61E-11 0.000 ng/dscm 1.25E-02 2.02E-02 1.88E-02 0.017 ng/dscm@7%O2 1.15E-02 1.91E-02 1.78E-02 0.016



### Monday, January 17, 2011 Page 6 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010 Compound:2,3,3',4,4'-PeCB (PCB105) Average RunNumber 1 2 3 Mass_mg 0.00000029 0.00000053 0.00000043 0.000 lb/mmBtuO2 2.55E-11 4.42E-11 3.65E-11 0.000 ng/dscm 3.01E-02 5.11E-02 4.24E-02 0.041 ng/dscm@7%O2 2.77E-02 4.83E-02 4.01E-02 0.039 

### Compound:2,3',4,4',5,5'-HxCB (PCB167) Average RunNumber 1 2 3 Mass_mg 0.000000047 0.00000013 0.00000012 0.000 lb/mmBtuO2 4.13E-12 1.08E-11 1.02E-11 0.000 ng/dscm 4.89E-03 1.25E-02 1.18E-02 0.010 ng/dscm@7%O2 4.50E-03 1.18E-02 1.12E-02 0.009 

### Compound:2,3,4,4',5-PeCB (PCB114) Average RunNumber 1 2 3 Mass_mg 0.000000013 0.000000036 0.000000026 0.000 lb/mmBtuO2 1.14E-12 3.00E-12 2.21E-12 0.000 ng/dscm 1.35E-03 3.47E-03 2.57E-03 0.002 ng/dscm@7%O2 1.24E-03 3.28E-03 2.43E-03 0.002 

### Compound:2,3',4,4',5-PeCB (PCB118) Average RunNumber 1 2 3 Mass_mg 0.00000084 0.0000019 0.0000016 0.000 lb/mmBtuO2 7.37E-11 1.58E-10 1.36E-10 0.000 ng/dscm 8.73E-02 1.83E-01 1.58E-01 0.143 ng/dscm@7%O2 8.04E-02 1.73E-01 1.49E-01 0.134 

### Compound:2',3,4,4',5-PeCB (PCB123) Average RunNumber 1 2 3 Mass_mg 0.000000014 0.000000015 0.000000016 0.000 lb/mmBtuO2 1.23E-12 1.25E-12 1.36E-12 0.000 ng/dscm 1.46E-03 1.45E-03 1.58E-03 0.001 ng/dscm@7%O2 1.34E-03 1.37E-03 1.49E-03 0.001 

### Compound:2,3,4,6,7,8-HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000017 0.0000000017 0.0000000032 0.000 lb/mmBtuO2 1.49E-13 1.42E-13 2.72E-13 0.000 ng/dscm 1.77E-04 1.64E-04 3.16E-04 0.000 ng/dscm@7%O2 1.63E-04 1.55E-04 2.99E-04 0.000 

### Compound:2,3,4,7,8-PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000017 0.0000000015 0.0000000016 0.000 lb/mmBtuO2 1.49E-13 1.25E-13 1.36E-13 0.000



### Monday, January 17, 2011 Page 7 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010 ng/dscm 1.77E-04 1.45E-04 1.58E-04 0.000 ng/dscm@7%O2 1.63E-04 1.37E-04 1.49E-04 0.000 

### Compound:2,3,7,8-TCDD Average RunNumber 1 2 3 Mass_mg 0.0000000016 0.0000000016 0.0000000016 0.000 lb/mmBtuO2 1.40E-13 1.33E-13 1.36E-13 0.000 ng/dscm 1.66E-04 1.54E-04 1.58E-04 0.000 ng/dscm@7%O2 1.53E-04 1.46E-04 1.49E-04 0.000 

### Compound:2,3,7,8-TCDF Average RunNumber 1 2 3 Mass_mg 0.0000000017 0.0000000016 0.0000000016 0.000 lb/mmBtuO2 1.49E-13 1.33E-13 1.36E-13 0.000 ng/dscm 1.77E-04 1.54E-04 1.58E-04 0.000 ng/dscm@7%O2 1.63E-04 1.46E-04 1.49E-04 0.000 

### Compound: 3,3',4,4',5,5'-HxCB (PCB169) Average RunNumber 1 2 3 Mass_mg 0.000000012 0.0000000085 0.0000000062 0.000 lb/mmBtuO2 1.05E-12 7.08E-13 5.26E-13 0.000 ng/dscm 1.25E-03 8.19E-04 6.12E-04 0.001 ng/dscm@7%O2 1.15E-03 7.74E-04 5.79E-04 0.001 

### Compound: 3,3',4,4',5-PeCB (PCB126) Average RunNumber 1 2 3 Mass_mg 0.000000014 0.000000029 0.000000017 0.000 lb/mmBtuO2 1.23E-12 2.42E-12 1.44E-12 0.000 ng/dscm 1.46E-03 2.79E-03 1.68E-03 0.002 ng/dscm@7%O2 1.34E-03 2.64E-03 1.59E-03 0.002 

### Compound: 3,3',4,4'-TCB (PCB77) Average RunNumber 1 2 3 Mass_mg 0.000000089 0.00000021 0.00000016 0.000 lb/mmBtuO2 7.81E-12 1.75E-11 1.36E-11 0.000 ng/dscm 9.25E-03 2.02E-02 1.58E-02 0.015 ng/dscm@7%O2 8.51E-03 1.91E-02 1.49E-02 0.014 

### Compound: 3,4,4',5-TCB (PCB81) Average RunNumber 1 2 3 Mass_mg 0.0000000068 0.000000012 0.0000000066 0.000 lb/mmBtuO2 5.97E-13 1.00E-12 5.60E-13 0.000 ng/dscm 7.07E-04 1.16E-03 6.51E-04 0.001 ng/dscm@7%O2 6.51E-04 1.10E-03 6.16E-04 0.001 

### Compound:OCDD Average RunNumber 1 2 3


### Monday, January 17, 2011 Page 8 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010 Mass_mg 0.0000000037 0.000000003 0.000000003 0.000 lb/mmBtuO2 3.25E-13 2.50E-13 2.55E-13 0.000 ng/dscm 3.85E-04 2.89E-04 2.96E-04 0.000 ng/dscm@7%O2 3.54E-04 2.73E-04 2.80E-04 0.000 

### Compound: OCDF Average RunNumber 1 2 3 Mass_mg 0.0000000034 0.0000000032 0.0000000032 0.000 lb/mmBtuO2 2.99E-13 2.67E-13 2.72E-13 0.000 ng/dscm 3.53E-04 3.08E-04 3.16E-04 0.000 ng/dscm@7%O2 3.25E-04 2.91E-04 2.99E-04 0.000 

### Compound: Other HpCDD Average RunNumber 1 2 3 Mass_mg 0.0000000017 0.0000000015 0.0000000016 0.000 lb/mmBtuO2 1.49E-13 1.25E-13 1.36E-13 0.000 ng/dscm 1.77E-04 1.45E-04 1.58E-04 0.000 ng/dscm@7%O2 1.63E-04 1.37E-04 1.49E-04 0.000 

### Compound: Other HpCDF Average RunNumber 1 2 3 Mass_mg 0.000000019 0.0000000017 0.0000000062 0.000 lb/mmBtuO2 1.67E-12 1.42E-13 5.26E-13 0.000 ng/dscm 1.98E-03 1.64E-04 6.12E-04 0.001 ng/dscm@7%O2 1.82E-03 1.55E-04 5.79E-04 0.001 

### Compound:Other HxCDD Average RunNumber 1 2 3 Mass_mg 0.0000000016 0.0000000016 0.0000000016 0.000 lb/mmBtuO2 1.40E-13 1.33E-13 1.36E-13 0.000 ng/dscm 1.66E-04 1.54E-04 1.58E-04 0.000 ng/dscm@7%O2 1.53E-04 1.46E-04 1.49E-04 0.000 

### Compound:Other HxCDF Average RunNumber 1 2 3 Mass_mg 0.0000000625 0.0000000346 0.0000000016 0.000 lb/mmBtuO2 5.49E-12 2.88E-12 1.36E-13 0.000 ng/dscm 6.50E-03 3.33E-03 1.58E-04 0.003 ng/dscm@7%O2 5.98E-03 3.15E-03 1.49E-04 0.003 

### Compound:Other PeCDD Average RunNumber 1 2 3 Mass_mg 0.0000000048 0.0000000046 0.0000000016 0.000 lb/mmBtuO2 4.21E-13 3.83E-13 1.36E-13 0.000 ng/dscm 4.99E-04 4.43E-04 1.58E-04 0.000 ng/dscm@7%O2 4.59E-04 4.19E-04 1.49E-04 0.000



### Monday, January 17, 2011 Page 9 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010

Process Run Data Compound: Other PeCDF Average RunNumber 1 2 3 Mass_mg 0.0000000876 0.0000000379 0.0000000016 0.000 lb/mmBtuO2 7.69E-12 3.16E-12 1.36E-13 0.000 ng/dscm 9.11E-03 3.65E-03 1.58E-04 0.004 ng/dscm@7%O2 8.39E-03 3.45E-03 1.49E-04 0.004 

### Compound: Other TCDD Average RunNumber 1 2 3 Mass_mg 0.0000000016 0.0000000016 0.0000000016 0.000 lb/mmBtuO2 1.40E-13 1.33E-13 1.36E-13 0.000 ng/dscm 1.66E-04 1.54E-04 1.58E-04 0.000 ng/dscm@7%O2 1.53E-04 1.46E-04 1.49E-04 0.000 

### Compound: Other TCDF Average RunNumber 1 2 3 Mass_mg 0.0000001093 0.0000000824 0.0000000364 0.000 lb/mmBtuO2 9.60E-12 6.87E-12 3.09E-12 0.000 ng/dscm 1.14E-02 7.94E-03 3.59E-03 0.008 ng/dscm@7%O2 1.05E-02 7.51E-03 3.39E-03 0.007



### Monday, January 17, 2011 Page 10 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010 Process Run Data

APCD Run Data 

### Run Name Value UOM Comments Target Value 1 Heat Input 1386.9 Million Btus/million BTU using CO2This was the target heat input value 1370



### 1 Average coal feed rate during test run 74.479 Tons/hr No target value, just provided actual average rate during duration of
run 1 Steam Flow 868 KPPH 870 2 Heat Input 1400.3 Million Btus/million BTU using CO2 1370 

### 2 Average coal feed rate during test run 75.308 Tons/hr No target value, just provided actual average rate during duration of
run 2 Steam Flow 874 KPPH Net MW was 118.5 and Gross MW was 127.6 870



### 3 Heat Input 1363.2 Million Btus/million BTU using CO2 1370 3 Average coal feed rate during test run 74.91 Tons/hr No target value, just provided actual average rate during duration of
run 3 Steam Flow 874 KPPH Net MW was 117.6 and Gross MW was 126.7 870

1 Gross Megawatts 126.1 Gross MW 0 1 Net Megwatts 117.1 Net MW 0

Run Name Value UOM Comments Target Value 

### 1 LOW NOX BURNERS 0 0 2 LOW NOX BURNERS 0 0 3 LOW NOX BURNERS 0 0 

### 1 OVERFIRE AIR 0 0 2 OVERFIRE AIR 0 0 3 OVERFIRE AIR 0 0 

### 1 ELECTROSTATIC PRECIPITATOR - HIGH EFFICIENCY 0 0

Monday, January 17, 2011 Page 11 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010

Process Lab Run Data 2 ELECTROSTATIC PRECIPITATOR - HIGH EFFICIENCY 0 0



### 3 ELECTROSTATIC PRECIPITATOR - HIGH EFFICIENCY 0 0

Monday, January 17, 2011 Page 12 of 13

### Prairie Creek Boiler 4 Dioxin/Furan Test Plan
7/28/2010 Sampling / Stack Data Results Detail


### LocationUnit 4 Stack - Method 23 Average Run Number 1 2 3 Test Date 4/7/2010 4/8/2010 4/9/2010 Run Start Time 9:10:00 AM8:11:00 AM6:15:00 AM Run Finish Time 5:45:00 PM5:05:00 PM3:25:00 PM Net Traversing Points 48 48 48 Net Run Time, minutes 480 480 480 Nozzle Diameter, inches 0.244 0.244 0.244 0.244 Pitot Tube Coefficient 0.84 0.84 0.84 0.840 Dry Gas Meter Calibration Factor 1.012 1.012 1.012 1.012 Barometric Pressure, inches of Mercury 28.75 28.99 29.17 28.970 Average Orifice Meter Differential, inches H2O 1.61 1.79 1.77 1.723 Dry Gas Meter Volume Sampled, cubic feet 339.767 359.818 359.675 353.087 Average Dry Gas Meter Temperature, °F 55.55 50.54 65.96 57.350 Dry Gas Meter Volume Sampled, dscf 339.771 366.540 357.833 354.715 Total Moisture Liquid collected, g 874.3 870.8 850.7 865.267 Volume of Water Vapor, standard cubic feet 41.15 40.99 40.04 40.727 Moisture Content of Stack Gas, % 10.80 10.06 10.06 10.307 Moisture Saturation at Stack Gas Temperature, % 100.00 100.00 100.00 100.000 Dry Mole Fraction 0.892 0.8994 0.8994 0.897 Carbon Dioxide, % 13.3 13.1 13.3 13.233 Oxygen, % 5.8 6.2 6.2 6.067 Carbon Monoxide & Nitrogen, % 80.9 80.7 80.5 80.700 Fuel Factor 1.14 1.12 1.11 Dry Molecular Weight, lb/lb-Mole 30.36 30.34 30.38 30.360 Wet Molecular weight, lb/lb-Mole 29.03 29.10 29.13 29.087 Flue Gas Static Pressure, inches of H2O -1 -1 -1 -1.000 Absolute Flue Gas Pressure, inches of Mercury 28.68 28.92 29.10 28.900 Average Stack Gas Temperature, °F 314.29 314.10 313.77 314.053 Average Velocity Head, inches of H2O 0.8070934965 583240.914627467

3335980.896963753

256055 0.873
Average Stack Gas Velocity, feet/second 62.22 65.87 64.98 64.357 Stack Cross-Sectional Area, square feet 132.732 132.732 132.732 132.732 Dry Volumetric Flow Rate, dry scfm 288,914.7 311,057.7 308,896.4302,956.267 Actual Wet Volumetric Flue Gas Flow Rate, acfm 495,515.1 524,583.4 517,495.5512,531.333 Percent Isokinetic of Sampling Rate, % 100.1 100.3 98.6 99.667 Percent Excess Air, % 37.3 41.0 41.2 39.833 F-Factor, dscfm/MMBtu @ %O2 9776 9747 96899,737.333 Round Duct Diameter, inches 156 156 156 Rectangular Duct Width, inches 0 0 0 Rectangular Duct Length, inches 0 0 0 Fw 0 0 0 0.000 Fc 1870 1873 18621,868.333



### Monday, January 17, 2011 Page 13 of 13