AQ_F_1000067_20030226_CEM_RptRvwLtr

WCDENR
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 26, 2003
Mr. Gary Willer
The Plant Manager
Cogentrix of North Carolina, Inc.
P.O. Box 10836
Southport, North Carolina 28461-0836
Subject: Excess Emissions Report(EER) for the 4th Quarter, 2002
Calibration Drift(CD)Test Results for the 4th Quarter, 2002
Facility I.D. No. 1000067
Dear Mr. Willer:
The Division of Air Quality(DAQ)has reviewed the subject report dated January 9, 2003 and
submitted by Cogentrix of Southport, Inc. for Units 1 and 2. The reports were reviewed for compliance
with the applicable emission control standards and EPA Region IV CEM Enforcement Plan (CEP).
When reviewed for compliance with the applicable emission r.ontrol standards, the report indicated 54
minutes (9 periods)of opacity excursions for Unit 1 and no opacity excursions for Unit 2. The Unit 1
six-minute opacity excess emission incidents occurred during startup and baghouse equipment
problems. The report also indicated no excess emissions for NO,,on Unit 1 and 2. Please note that
each exceedance of the emission control standard, unless excused by the applicable regulation, can be
credible evidence of a violation consistent with 40 CFR 60.11(g).
The Excess Emissions (EE) and Continuous Monitoring System (CMS) downtime (DT) for Units 1 and
2 during the quarter ending December 31, 2002 were reported and confirmed as follows:
Units: No. 1 No. 2
NO,,Excess Emission: 0.00% 0.00%
NO,CMS Downtime: 0.10% 0.00%
Opacity Excess Emission: 0.04% 0.00%
Opacity CMS Downtime: 0.02% 0.00%
For the purpose of assessing good operation and maintenance(O&M)practices on control devices and
monitoring systems, as required by 40 CFR 60.11(d), the DAQ uses, among other things, the EPA
Region IV CEM Enforcement Plan (CEP). Based on this plan, excess emissions and/or monitor
downtime greater than 2%, 5% for two consecutive quarters or 10% for any one-quarter is followed by
appropriate agency response. The data in your 4th quarter report indicated you were below the CEP
threshold levels for Units 1 and 2.
Technical Services Section
1641 Mail Service Center,Raleigh,North Carolina 27699-1641 - 2728 Capital Boulevard, Raleigh, North Carolina 27604
Phone: [phone] - FAX: [phone] • Internet: http://daq.state.nc.us
An Equal Opportunity/Affirmative Action Employer • 30% Post-Consumer Recycled Paper

Mr. Gary Willer
February 26, 2003
Page Two
Finally, unless the permit or any applicable rule states otherwise, your future quarterly excess emission
reports will be reviewed consistent with the compliance of the emission control standard and the CEP.
Any potential enforcement action will also be processed consistent with the same guidance.
If you have any questions regarding the issues discussed in this letter, please contact me at
[phone].
Sincerely,
Richard R. Simpson
Environmental Engineer
cc: ---M�ike Aldridge
Wayne Cook-WIRO
Central File-Brunswick Co.
Tracy Patterson—Cogentrix
IMPAQ—Documents — 1000067 (Filename SimpsonRR\cgEER4Q02sp.doc)