AQ_F_1300104_20130227_CMPL_MACT-Corr

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NCDENR
North Carolina Department of Environment and Natural Resources
Division of Air Quality
Pat McCrory Sheila C. Holman John E. Skvarla, III
Governor Director Secretary
February 27, 2013
Mr.Robert Pate
Electric Director
City of Concord
850 Warren C. Coleman Boulevard
Concord, NC 28025
SUBJECT:
40 CFR 63 Subpart ZZZZ RICE MACT Extension Approval
Air Quality Permit No. 07645R05
Concord City Generator Plant#2
Facility ID: 1300104, Concord, Cabarrus County
Facility Classification: Synthetic Minor
Dear Mr. Pate:
The Division of Air Quality(DAQ)received your January 2, 2013 request for a one year
extension of your 40 CFR 63 Subpart ZZZZ Reciprocating Internal Combustion Engine Maximum
Achievable Compliance Technology(RICE MACT) compliance date. 40 CFR 63.6(i)(6) lists the
information that is required for the DAQ to act on your request. Specifically:
(i) The request for a compliance extension under paragraph (i)(4) of this section shall
include the following information:
(A)A description of the controls to be installed to comply with the standard,•
(B)A compliance schedule, including the date by which each step toward
compliance will be reached. At a minimum, the list of dates shall include:
(I) The date by which on-site construction, installation of emission
control equipment, or a process change is planned to be initiated-
and
(2) The date by which final compliance is to be achieved.
(3) The date by which on-site construction, installation of emission
control equipment, or a process change is to be completed; and
(4) The date by which final compliance is to be achieved .
The NC DAQ has been delegated the implementation of the MACT standards and is therefore
considered the "Administrator."
1641 Mail Service Center,Raleigh,North Carolina 27699-1641
217 West Jones Street,Raleigh,North Carolina 27603
Phone:[phone] Fax:[phone]
Internet:www.ncair.org
An Equal Opportunity\Affirmative Acdon Employer—Made in part by Recycled Paper

Mr.Robert Pate
February 27, 2013
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Your request described the controls as"Direct Oxidation Catalyst(DOC)."This control will be
applied to the six engines identified as 1,2,3,4,5, and 6, each rated at 2304 hp.
Your request included the following compliance schedule: date of on-site construction,
installation of emission control equipment, or initiation of a process change would occur by March 1,
2014.
Your schedule indicated a final compliance date of May 3, 2014.
This letter serves as approval of your request for a one year extension. Your compliance date
will be May 3,2014.
Sincerely,
a
ee A. Daniel, Chief
Technical Services Section
cc: Ron Slack;MRQ Supervisor
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