Name: C.D. Holley

Title: Vice President F&H System Operation

Company: Dominion Generation

Sign Date: 9/1/2010

Name: Michael P. Martin

Title: Senior Project Manager

Company: TRC Companies, Inc.

Sign Date: 8/19/2010

Permitted Facility Representative / Date Testing Company Representative / Date

Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

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 12, 2011 Page 1 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

Facility Information:

Chesterfield

615 Coxendale Road

Chester VA 23836

Contact: David Nuckols

Phone: 804-796-6021

Fax: 804-796-6004

Email: david.nuckols@dom.com

Testing Company:

TRC Companies, Inc.

650 Suffolk Street

Lowell MA 01854

Contact:Michael P. Martin

Phone: 978-656-3550

Fax: 978-453-4215

Email: mmartin@trcsolutions.com

Air Permit Number:

3797

Permitted Source ID/Name:

6

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:

7200 mmBtu/hr dry bottom, tangentially fired, pulverized coal boiler w/ LNB 2/ overfire air, SCR, wet limestone 

FGD, & baghouse.

Industry/SCC/NAIS 221112

Sampling Location Information:

Test Parameter Information:

AFS #: 5104100002 FRS #: 110000342530

SCC / Description 10100202 External Combustion Boilers - Electric Generation - Bituminous/Subbituminous 

Coal - Pulverized Coal: Dry Bottom (Bituminous 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 Exit 348 0 0 0 2814 910.8 4 6

Target

Parameter 

Test

Method

Number of

Test Runs

Test Run

Duration

Sample 

Location Points Comments

Stack Exit 2,3,7,8-TCDD Method 23 3 480 0

Stack Exit 1,2,3,7,8-PeCDD Method 23 3 480 0

Stack Exit 1,2,3,4,7,8-HxCDD Method 23 3 480 0

Stack Exit 1,2,3,6,7,8-HxCDD Method 23 3 480 0

Stack Exit 1,2,3,7,8,9-HxCDD Method 23 3 480 0

Stack Exit 1,2,3,4,6,7,8-HpCDD Method 23 3 480 0

Stack Exit OCDD Method 23 3 480 0

Wednesday, January 12, 2011 Page 2 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

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 Exit 2,3,7,8-TCDF Method 23 3 480 0

Stack Exit 1,2,3,7,8-PeCDF Method 23 3 480 0

Stack Exit 2,3,4,7,8-PeCDF Method 23 3 480 0

Stack Exit 1,2,3,4,7,8-HxCDF Method 23 3 480 0

Stack Exit 1,2,3,6,7,8-HxCDF Method 23 3 480 0

Stack Exit 2,3,4,6,7,8-HxCDF Method 23 3 480 0

Stack Exit 1,2,3,7,8,9-HxCDF Method 23 3 480 0

Stack Exit 1,2,3,4,6,7,8-HpCDF Method 23 3 480 0

Stack Exit 1,2,3,4,7,8,9-HpCDF Method 23 3 480 0

Stack Exit OCDF Method 23 3 480 0

Stack Exit Other TCDD Method 23 0

Stack Exit Other PeCDD Method 23 0

Stack Exit Other HxCDD Method 23 0

Stack Exit Other HpCDD Method 23 0

Stack Exit Other TCDF Method 23 0

Stack Exit Other PeCDF Method 23 0

Stack Exit Other HxCDF Method 23 0

Stack Exit Other HpCDF Method 23 0

Stack Exit Total Dioxins Method 23 3 480 0

Stack Exit Total Furans Method 23 3 480 0

Stack Exit 3,3',4,4'-TCB (PCB77) Method 23 3 480 0

Stack Exit 3,4,4',5-TCB (PCB81) Method 23 3 480 0

Stack Exit 2,3,3',4,4'-PeCB (PCB105) Method 23 3 480 0

Stack Exit 2,3,4,4',5-PeCB (PCB114) Method 23 3 480 0

Stack Exit 2,3',4,4',5-PeCB (PCB118) Method 23 3 480 0

Stack Exit 2',3,4,4',5-PeCB (PCB123) Method 23 3 480 0

Stack Exit 3,3',4,4',5-PeCB (PCB126) Method 23 3 480 0

2,3,3',4,4',5/2,3,3',4,4',5'-

HxCB (PCBs156/157)

Stack Exit Method 23 3 480 0

Stack Exit 2,3',4,4',5,5'-HxCB (PCB167) Method 23 3 480 0

Stack Exit 3,3',4,4',5,5'-HxCB (PCB169) Method 23 3 480 0

2,3,3',4,4',5,5'-HpCB 

(PCB189)

Stack Exit Method 23 3 480 0

Wednesday, January 12, 2011 Page 3 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

Sampling / Stack Data Results Summary

Location Stack Exit - Method 23

Average

Run Number 1 2 3

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

Run Start Time

Run Finish Time

Net Run Time, minutes 480 480 480

Dry Gas Meter Volume Sampled, dscf 334.000 336.236 337.172 335.803

Moisture Content of Stack Gas, % 13.90 13.87 13.85 13.873

Moisture Saturation at Stack Gas Temperature, % 13.81 13.70 13.65 13.720

Carbon Dioxide, % 12.8 13.6 13.7 13.367

Oxygen, % 6.2 5.6 5.8 5.867

Average Stack Gas Temperature, °F 126.79 126.81 126.55 126.717

Dry Volumetric Flow Rate, dry scfm 1,557,040.1 1,562,411.7 1,566,604.5 1,562,018.76

7

Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,000,979.3 1,989,486.2 1,999,394.0 1,996,619.83

3

Percent Isokinetic of Sampling Rate, % 100.6 100.9 100.9 100.800

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 12, 2011 Page 4 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

Emissions Summary

Location: Stack Exit - Method 23

Compound: 1,2,3,4,6,7,8-HpCDD

Average

RunNumber 1 2 3

Mass_mg 0.0000000022 0.0000000027 0.0000000033 0.000

lb/mmBtuO2 2.02E-13 2.37E-13 2.92E-13 0.000

ng/dscm 2.33E-04 2.84E-04 3.46E-04 0.000

ng/dscm@7%O2 2.20E-04 2.58E-04 3.19E-04 0.000

Compound: 1,2,3,4,6,7,8-HpCDF

Average

RunNumber 1 2 3

Mass_mg 0.0000000037 0.0000000033 0.0000000017 0.000

lb/mmBtuO2 3.40E-13 2.89E-13 1.50E-13 0.000

ng/dscm 3.91E-04 3.47E-04 1.78E-04 0.000

ng/dscm@7%O2 3.70E-04 3.15E-04 1.64E-04 0.000

Compound: 1,2,3,4,7,8,9-HpCDF

Average

RunNumber 1 2 3

Mass_mg 0.0000000021 0.0000000042 0.0000000022 0.000

lb/mmBtuO2 1.93E-13 3.68E-13 1.95E-13 0.000

ng/dscm 2.22E-04 4.41E-04 2.30E-04 0.000

ng/dscm@7%O2 2.10E-04 4.01E-04 2.12E-04 0.000

Compound: 1,2,3,4,7,8-HxCDD

Average

RunNumber 1 2 3

Mass_mg 0.0000000016 0.0000000042 0.000000002 0.000

lb/mmBtuO2 1.47E-13 3.68E-13 1.77E-13 0.000

ng/dscm 1.69E-04 4.41E-04 2.10E-04 0.000

ng/dscm@7%O2 1.60E-04 4.01E-04 1.93E-04 0.000

Compound: 1,2,3,4,7,8-HxCDF

Average

RunNumber 1 2 3

Mass_mg 0.0000000025 0.0000000024 0.0000000018 0.000

lb/mmBtuO2 2.29E-13 2.10E-13 1.59E-13 0.000

ng/dscm 2.64E-04 2.52E-04 1.89E-04 0.000

ng/dscm@7%O2 2.50E-04 2.29E-04 1.74E-04 0.000

Compound: 1,2,3,6,7,8-HxCDD

Average

RunNumber 1 2 3

Mass_mg 0.0000000016 0.0000000041 0.00000000331 0.000

lb/mmBtuO2 1.47E-13 3.59E-13 2.93E-13 0.000

ng/dscm 1.69E-04 4.31E-04 3.47E-04 0.000

ng/dscm@7%O2 1.60E-04 3.92E-04 3.19E-04 0.000

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

Average

Wednesday, January 12, 2011 Page 5 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

RunNumber 1 2 3

Mass_mg 0.0000000023 0.0000000023 0.0000000017 0.000

lb/mmBtuO2 2.11E-13 2.01E-13 1.50E-13 0.000

ng/dscm 2.43E-04 2.42E-04 1.78E-04 0.000

ng/dscm@7%O2 2.30E-04 2.20E-04 1.64E-04 0.000

Compound: 1,2,3,7,8,9-HxCDD

Average

RunNumber 1 2 3

Mass_mg 0.0000000016 0.0000000014 0.000000002 0.000

lb/mmBtuO2 1.47E-13 1.23E-13 1.77E-13 0.000

ng/dscm 1.69E-04 1.47E-04 2.10E-04 0.000

ng/dscm@7%O2 1.60E-04 1.34E-04 1.93E-04 0.000

Compound: 1,2,3,7,8,9-HxCDF

Average

RunNumber 1 2 3

Mass_mg 0.0000000026 0.0000000026 0.0000000019 0.000

lb/mmBtuO2 2.39E-13 2.28E-13 1.68E-13 0.000

ng/dscm 2.75E-04 2.73E-04 1.99E-04 0.000

ng/dscm@7%O2 2.60E-04 2.48E-04 1.83E-04 0.000

Compound: 1,2,3,7,8-PeCDD

Average

RunNumber 1 2 3

Mass_mg 0.0000000018 0.0000000032 0.0000000038 0.000

lb/mmBtuO2 1.65E-13 2.80E-13 3.36E-13 0.000

ng/dscm 1.90E-04 3.36E-04 3.98E-04 0.000

ng/dscm@7%O2 1.80E-04 3.05E-04 3.66E-04 0.000

Compound: 1,2,3,7,8-PeCDF

Average

RunNumber 1 2 3

Mass_mg 0.0000000021 0.0000000033 0.000000002 0.000

lb/mmBtuO2 1.93E-13 2.89E-13 1.77E-13 0.000

ng/dscm 2.22E-04 3.47E-04 2.10E-04 0.000

ng/dscm@7%O2 2.10E-04 3.15E-04 1.93E-04 0.000

Compound: 2,3,3',4,4',5,5'-HpCB (PCB189)

Average

RunNumber 1 2 3

Mass_mg 0.0000000031 0.0000000015 0.00000000085 0.000

lb/mmBtuO2 2.85E-13 1.31E-13 7.52E-14 0.000

ng/dscm 3.28E-04 1.58E-04 8.90E-05 0.000

ng/dscm@7%O2 3.10E-04 1.44E-04 8.19E-05 0.000

Compound: 2,3,3',4,4',5/2,3,3',4,4',5'-HxCB (PC

Average

RunNumber 1 2 3

Mass_mg 0.0000000381 0.0000000132 0.0000000097 0.000

lb/mmBtuO2 3.50E-12 1.16E-12 8.59E-13 0.000

ng/dscm 4.03E-03 1.39E-03 1.02E-03 0.002

ng/dscm@7%O2 3.81E-03 1.26E-03 9.39E-04 0.002

Wednesday, January 12, 2011 Page 6 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

Compound: 2,3,3',4,4'-PeCB (PCB105)

Average

RunNumber 1 2 3

Mass_mg 0.000000188 0.0000000865 0.0000000589 0.000

lb/mmBtuO2 1.73E-11 7.58E-12 5.21E-12 0.000

ng/dscm 1.99E-02 9.09E-03 6.17E-03 0.012

ng/dscm@7%O2 1.88E-02 8.26E-03 5.68E-03 0.011

Compound: 2,3',4,4',5,5'-HxCB (PCB167)

Average

RunNumber 1 2 3

Mass_mg 0.000000028 0.0000000057 0.0000000068 0.000

lb/mmBtuO2 2.57E-12 4.99E-13 6.02E-13 0.000

ng/dscm 2.96E-03 5.99E-04 7.12E-04 0.001

ng/dscm@7%O2 2.80E-03 5.44E-04 6.55E-04 0.001

Compound: 2,3,4,4',5-PeCB (PCB114)

Average

RunNumber 1 2 3

Mass_mg 0.0000000105 0.0000000027 0.0000000039 0.000

lb/mmBtuO2 9.64E-13 2.37E-13 3.45E-13 0.000

ng/dscm 1.11E-03 2.84E-04 4.09E-04 0.001

ng/dscm@7%O2 1.05E-03 2.58E-04 3.76E-04 0.001

Compound: 2,3',4,4',5-PeCB (PCB118)

Average

RunNumber 1 2 3

Mass_mg 0.000000489 0.000000219 0.000000162 0.000

lb/mmBtuO2 4.49E-11 1.92E-11 1.43E-11 0.000

ng/dscm 5.17E-02 2.30E-02 1.70E-02 0.031

ng/dscm@7%O2 4.89E-02 2.09E-02 1.56E-02 0.028

Compound: 2',3,4,4',5-PeCB (PCB123)

Average

RunNumber 1 2 3

Mass_mg 0.000000012 0.0000000025 0.0000000039 0.000

lb/mmBtuO2 1.10E-12 2.19E-13 3.45E-13 0.000

ng/dscm 1.27E-03 2.63E-04 4.09E-04 0.001

ng/dscm@7%O2 1.20E-03 2.39E-04 3.76E-04 0.001

Compound: 2,3,4,6,7,8-HxCDF

Average

RunNumber 1 2 3

Mass_mg 0.0000000023 0.0000000023 0.0000000017 0.000

lb/mmBtuO2 2.11E-13 2.01E-13 1.50E-13 0.000

ng/dscm 2.43E-04 2.42E-04 1.78E-04 0.000

ng/dscm@7%O2 2.30E-04 2.20E-04 1.64E-04 0.000

Compound: 2,3,4,7,8-PeCDF

Average

RunNumber 1 2 3

Mass_mg 0.000000002 0.000000003 0.0000000019 0.000

lb/mmBtuO2 1.84E-13 2.63E-13 1.68E-13 0.000

Wednesday, January 12, 2011 Page 7 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

ng/dscm 2.11E-04 3.15E-04 1.99E-04 0.000

ng/dscm@7%O2 2.00E-04 2.86E-04 1.83E-04 0.000

Compound: 2,3,7,8-TCDD

Average

RunNumber 1 2 3

Mass_mg 0.0000000019 0.0000000034 0.0000000033 0.000

lb/mmBtuO2 1.74E-13 2.98E-13 2.92E-13 0.000

ng/dscm 2.01E-04 3.57E-04 3.46E-04 0.000

ng/dscm@7%O2 1.90E-04 3.24E-04 3.19E-04 0.000

Compound: 2,3,7,8-TCDF

Average

RunNumber 1 2 3

Mass_mg 0.0000000012 0.0000000024 0.0000000018 0.000

lb/mmBtuO2 1.10E-13 2.10E-13 1.59E-13 0.000

ng/dscm 1.27E-04 2.52E-04 1.89E-04 0.000

ng/dscm@7%O2 1.20E-04 2.29E-04 1.74E-04 0.000

Compound: 3,3',4,4',5,5'-HxCB (PCB169)

Average

RunNumber 1 2 3

Mass_mg 0.00000000088 0.00000000038 0.0000000013 0.000

lb/mmBtuO2 8.08E-14 3.33E-14 1.15E-13 0.000

ng/dscm 9.31E-05 3.99E-05 1.36E-04 0.000

ng/dscm@7%O2 8.80E-05 3.62E-05 1.25E-04 0.000

Compound: 3,3',4,4',5-PeCB (PCB126)

Average

RunNumber 1 2 3

Mass_mg 0.0000000066 0.0000000026 0.0000000035 0.000

lb/mmBtuO2 6.06E-13 2.28E-13 3.10E-13 0.000

ng/dscm 6.98E-04 2.73E-04 3.67E-04 0.000

ng/dscm@7%O2 6.60E-04 2.48E-04 3.38E-04 0.000

Compound: 3,3',4,4'-TCB (PCB77)

Average

RunNumber 1 2 3

Mass_mg 0.000000201 0.0000000629 0.0000000713 0.000

lb/mmBtuO2 1.84E-11 5.51E-12 6.31E-12 0.000

ng/dscm 2.13E-02 6.61E-03 7.47E-03 0.012

ng/dscm@7%O2 2.01E-02 6.01E-03 6.88E-03 0.011

Compound: 3,4,4',5-TCB (PCB81)

Average

RunNumber 1 2 3

Mass_mg 0.00000000772 0.0000000028 0.000000002 0.000

lb/mmBtuO2 7.09E-13 2.45E-13 1.77E-13 0.000

ng/dscm 8.16E-04 2.94E-04 2.10E-04 0.000

ng/dscm@7%O2 7.72E-04 2.67E-04 1.93E-04 0.000

Compound: OCDD

Average

RunNumber 1 2 3

Wednesday, January 12, 2011 Page 8 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

Mass_mg 0.000000012 0.000000008 0.0000000091 0.000

lb/mmBtuO2 1.10E-12 7.01E-13 8.05E-13 0.000

ng/dscm 1.27E-03 8.40E-04 9.53E-04 0.001

ng/dscm@7%O2 1.20E-03 7.63E-04 8.77E-04 0.001

Compound: OCDF

Average

RunNumber 1 2 3

Mass_mg 0.0000000015 0.0000000027 0.0000000014 0.000

lb/mmBtuO2 1.38E-13 2.37E-13 1.24E-13 0.000

ng/dscm 1.59E-04 2.84E-04 1.47E-04 0.000

ng/dscm@7%O2 1.50E-04 2.58E-04 1.35E-04 0.000

Compound: Other HpCDD

Average

RunNumber 1 2 3

Mass_mg 0 0 0 0.000

lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000

Compound: Other HpCDF

Average

RunNumber 1 2 3

Mass_mg 0 0 0 0.000

lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000

Compound: Other HxCDD

Average

RunNumber 1 2 3

Mass_mg 0 0.00000000913 0.00000000839 0.000

lb/mmBtuO2 0.00E+00 8.00E-13 7.43E-13 0.000

ng/dscm 0.00E+00 9.59E-04 8.79E-04 0.001

ng/dscm@7%O2 0.00E+00 8.71E-04 8.09E-04 0.001

Compound: Other HxCDF

Average

RunNumber 1 2 3

Mass_mg 0 0 0 0.000

lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000

Compound: Other PeCDD

Average

RunNumber 1 2 3

Mass_mg 0.0000000153 0.00000000594 0.00000000496 0.000

lb/mmBtuO2 1.40E-12 5.20E-13 4.39E-13 0.000

ng/dscm 1.62E-03 6.24E-04 5.20E-04 0.001

ng/dscm@7%O2 1.53E-03 5.67E-04 4.79E-04 0.001

Wednesday, January 12, 2011 Page 9 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

Process Run Data

Compound: Other PeCDF

Average

RunNumber 1 2 3

Mass_mg 0 0 0 0.000

lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000

Compound: Other TCDD

Average

RunNumber 1 2 3

Mass_mg 0 0 0 0.000

lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000

Compound: Other TCDF

Average

RunNumber 1 2 3

Mass_mg 0 0 0 0.000

lb/mmBtuO2 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm 0.00E+00 0.00E+00 0.00E+00 0.000

ng/dscm@7%O2 0.00E+00 0.00E+00 0.00E+00 0.000

Compound: Total Dioxins

Average

RunNumber 1 2 3

Mass_mg 0.000000038 0.00000004207 0.00000004016 0.000

lb/mmBtuO2 3.49E-12 3.69E-12 3.55E-12 0.000

ng/dscm 4.02E-03 4.42E-03 4.21E-03 0.004

ng/dscm@7%O2 3.80E-03 4.02E-03 3.88E-03 0.004

Compound: Total Furans

Average

RunNumber 1 2 3

Mass_mg 0.0000000223 0.0000000285 0.0000000181 0.000

lb/mmBtuO2 2.05E-12 2.50E-12 1.60E-12 0.000

ng/dscm 2.36E-03 2.99E-03 1.90E-03 0.002

ng/dscm@7%O2 2.23E-03 2.72E-03 1.75E-03 0.002

Wednesday, January 12, 2011 Page 10 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

Process Run Data

Run Name Value UOM Comments

Target

Value

1 Heat Input 6467 Million Btus/hr 0

1 Limestone Injection Rate 93263 lb/hr 0

1 Steam Output 4723.8 1000 lb steam/hr 0

1 Fuel Oil Firing Rate 0 gal/hr 0

1 Flue Gas Flow Rate 2E+06 dscfm 0

1 Pressure Drop Across FGD 5.41 in H20 0

1 Unit Net Electric Generation 674.7 MWh 0

1 Flue Gas Oxygen Content 3.72 % 0

1 Flue Gas Carbon Dioxide Content 12.51 % 0

1 Coal Firing Rate 161.86 tons/hr 0

1 Unit Gross Electrical Output 703.85 Mwe 0

1 Flue Gas Sampling Point Temperature 130 Deg F 0

2 Heat Input 6437.9 Million Btus/hr 0

2 Limestone Injection Rate 88722 lb/hr 0

2 Steam Output 4762.3 1000 lb steam/hr 0

2 Fuel Oil Firing Rate 0 gal/hr 0

2 Flue Gas Flow Rate 2E+06 dscfm 0

2 Pressure Drop Across FGD 5.27 in H20 0

2 Unit Net Electric Generation 679.68 MWh 0

2 Flue Gas Oxygen Content 3.72 % 0

2 Flue Gas Carbon Dioxide Content 12.51 % 0

2 Coal Firing Rate 160.22 tons/hr 0

2 Unit Gross Electrical Output 708.99 Mwe 0

2 Flue Gas Sampling Point Temperature 130.2 Deg F 0

3 Heat Input 6390.0 Million Btus/hr 0

3 Limestone Injection Rate 87032 lb/hr 0

3 Steam Output 4696.3 1000 lb steam/hr 0

3 Fuel Oil Firing Rate 0 gal/hr 0

3 Flue Gas Flow Rate 2E+06 dscfm 0

3 Pressure Drop Across FGD 5.39 in H20 0

3 Unit Net Electric Generation 670.53 MWh 0

3 Flue Gas Oxygen Content 3.69 % 0

3 Flue Gas Carbon Dioxide Content 12.51 % 0

Wednesday, January 12, 2011 Page 11 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

APCD Run Data

Process Lab Run Data

3 Coal Firing Rate 154 tons/hr 0

3 Unit Gross Electrical Output 700.04 Mwe 0

3 Flue Gas Sampling Point Temperature 129.75 Deg F 0

Run Name Value UOM Comments

Target

Value

1 OVERFIRE AIR 0 0

1 LOW NOX BURNERS 0 0

1 SCR (SELECTIVE CATALYTIC REDUCTION) 0 0

1 WET SCRUBBER 0 0

1 BAGHOUSE 0 0

Wednesday, January 12, 2011 Page 12 of 13
Utility Boiler MACT ICR - Chesterfield Power Station Unit 6

9/1/2010

Sampling / Stack Data Results Detail

Location Stack Exit - Method 23

Average

Run Number 1 2 3

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

Run Start Time

Run Finish Time

Net Traversing Points 96 96 96

Net Run Time, minutes 480 480 480

Nozzle Diameter, inches 0.232 0.232 0.232 0.232

Pitot Tube Coefficient 0.84 0.84 0.84 0.840

Dry Gas Meter Calibration Factor 0.9942 0.9942 0.9942 0.994

Barometric Pressure, inches of Mercury 30.07 30.3 30.2 30.190

Average Orifice Meter Differential, inches H2O 1.75 1.74 1.77 1.753

Dry Gas Meter Volume Sampled, cubic feet 345.343 342.963 346.801 345.036

Average Dry Gas Meter Temperature, °F 87.82 84.53 87.33 86.560

Dry Gas Meter Volume Sampled, dscf 334.000 336.236 337.172 335.803

Total Moisture Liquid collected, g 1145.9 1150 1151.7 1,149.200

Volume of Water Vapor, standard cubic feet 53.94 54.13 54.21 54.093

Moisture Content of Stack Gas, % 13.90 13.87 13.85 13.873

Moisture Saturation at Stack Gas Temperature, % 13.81 13.70 13.65 13.720

Dry Mole Fraction 0.8619 0.863 0.8635 0.863

Carbon Dioxide, % 12.8 13.6 13.7 13.367

Oxygen, % 6.2 5.6 5.8 5.867

Carbon Monoxide & Nitrogen, % 81 80.8 80.5 80.767

Fuel Factor 1.15 1.13 1.10

Dry Molecular Weight, lb/lb-Mole 30.30 30.40 30.42 30.373

Wet Molecular weight, lb/lb-Mole 28.62 28.73 28.76 28.703

Flue Gas Static Pressure, inches of H2O -0.65 -0.61 -0.59 -0.617

Absolute Flue Gas Pressure, inches of Mercury 30.02 30.26 30.16 30.147

Average Stack Gas Temperature, °F 126.79 126.81 126.55 126.717

Average Velocity Head, inches of H2O 0.7237973650

7886

0.724086077

002324

0.729738062

993447

0.726

Average Stack Gas Velocity, feet/second 50.49 50.20 50.45 50.380

Stack Cross-Sectional Area, square feet 660.520 660.520 660.520 660.520

Dry Volumetric Flow Rate, dry scfm 1,557,040.1 1,562,411.7 1,566,604.5 1,562,018.7

67

Actual Wet Volumetric Flue Gas Flow Rate, acfm 2,000,979.3 1,989,486.2 1,999,394.0 1,996,619.8

33

Percent Isokinetic of Sampling Rate, % 100.6 100.9 100.9 100.800

Percent Excess Air, % 40.8 35.6 37.5 37.967

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

Round Duct Diameter, inches 348 348 348

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

Wednesday, January 12, 2011 Page 13 of 13