AQ_F_1800073_20080208_CEM_RptRvwLtr (4)

NC®ENR
North Carolina Department of Environment and Natural Resources
Division of Air Quality
Michael F. Easley, Governor William G. Ross, Jr., Secretary
B. Keith Overcash,P.E., Director
February 8, 2008
Mr. Barry E. Pulskarnp
Vice President
Regulated Coal Fleet Operations
Duke Power Company
526 South Church Street
Charlotte, North Carolina 28202
SUBJECT: Nitrogen Dioxide(NOS) Excess Emissions Semi-Annual Report
2"d Semi-Annual Report 2007
Marshall Steam Station Permit 903676T42
Facility I.D. No. 1800073
Dear Mr. Ellison:
The Division of Air Quality(DAQ) has reviewed Marshall Steam Station's the semi-annual nitrogen
dioxide Excess Emission(NOj Report for the second period of 2007. The nitrogen dioxide
emissions report was dated January 23, 2008. The Marshall Units 1, 2, 3, and 4 nitrogen dioxide
emission reports were reviewed in accordance with Air Quality Permit No. 03676T42, Specific
Limitation and Condition (2.1,A.,2.).
Based on the review, it was determined that Duke Power Marshall Units 1, 2, 3, and 4 did not exceed
the nitrogen dioxide(NOx) emission limits of 1.8 pounds per million Btu heat input(when coal is
burned) and 0.8 pounds per million Btu heat input(when oil is burned) on a 24-hour block average as
specified in 15A NCAC 2D .0519(b), .0606(c), and the permit.
If you have any questions regarding the above, please contact me at(919) 715-0726.
Sincerely,
zr_/�Xe4�*
Richard R. Simpson
Environmental Engineer
cc: -I�Cike Aldridge
Mike Landis—MRO
Central Files: Catawba Co./Marshall
IMPM!—Documents— 1800073 .
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