DEQp00020336

NCDENR
North Carolina Department of Environment and Natural Resources
Pat McCrory Donald R. van der Vaart
Governor . Secretary
February 25, 2.015
Mr. Michael E. Johnson, Environmental Manager
E I DuPont de Nemours and Company
22828 NC Highway 87 West
Fayetteville, NC 28306
Subject: NPDES Permit NC0003573
316(b) Preliminary Determination
Dear Mr. Johnson:
On August 15, 2014 the US Environmental Protection Agency (EPA) finalized rules
applicable to cooling water intake structures. The Division of Water Resources has
made a preliminary determination that your facility may be subject to these rules. In
order to make the final determination, the Division is requesting the following
information:
1. Design intake flow for your facility (maximum flow the intake structure is
capable of withdrawing.)
2. Actual intake for your facility (average volume of water withdrawn on an annual
basis over the past three years.)
3. Percent of the water withdrawn on an actual intake flow basis used exclusively
for cooling purposes.
The information should be submitted to the following address by April 1, 2015:
NPDES Complex Permitting Unit
Attn. Teresa Rodriguez
1617 Mail Service Center
Raleigh, NC 27699-1617
If you have any questions please contact Teresa Rodriguez at 919-807-6387 or
Teresa.rodriguez(@,,ncdenr. gov.
Sincerely,
omas Belnick, Supervisor
NPDES Complex Permitting Unit
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Phone: [phone] Internet: www.ncdenr.gov
An Equal Opportunity \Affirmative Action Employer— Made in part by recycled paper

DuPont Chemicals & Fluoroproducts
Fayetteville Works Plant
22828 NC Hwy 87 West
Fayetteville, NC 28306.7332
CERTIFIED MAIL ARTICLE NUMBER 7007 0710 00051455 9799
RETURN RECEIPT REQUESTED
Ms. Teresa Rodriguez
NCDENR Division of Water Resources
NPDES Complex Permitting Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
SUBJECT: 316(b) Preliminary Determination
NPDES Permit No. NC0003573
Dear Ms. Rodriguez:
RECEI f D/ENNQYVR
are
,
MAR 0 9 2015
Water Quality
Permitting Section
This letter is in response to the February 25, 2015 request from the North Carolina Division of
Water Resources for the below information so as to make a final determination of the applicabilithy
of the new Cooling Water Intake Structure Rule of Section 316(b) of the Clean Water Act.
1. Design intake flow for the facility: 21.600 MGD from the Cape Fear River
2. Average awti?al intak'e (2012-..2014): 10.149 MGT) from the Cape Fear River
3. Percent of water used exclusively for cooling purposes: Approximately 83%
Should you have any questions, please feel free to call me at [phone].
Michael E. Johnson, PE
Environmental Manager
E.I. du Pont de Nemours and Company