DEQp00021492

F WAIF
\0�0 RQG Michael F. Easley
Governor
�? r William G. Ross, Jr., Secretary
—i North Carolina Department of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
February 26, 2008
Mr. Michael E. Johnson
Environmental Manager
E.I. DuPont de Nemours & Company
22828 NC Hwy 87 W
Fayetteville, North Carolina 28306-7332
Subject: NPDES Permit Modification
Permit No. NC0003573
Fayetteville Works
Bladen County
Dear Mr. Johnson:
The Division has reviewed and approved your request to modify your permit to include the
addition of a third clarifier and to relocate outfall 002 above Lock & Dam 3 on the Cape Fear
River. The Supplement to Permit Cover Sheet and the map have been modified. Please replace
the enclosed pages in your permit.
If you have any questions please call Teresa Rodriguez at [phone], extension 553.
Sincerely,
i�
Coleen H. Sullins
Cc: NPDES Files
Fayetteville Regional Office - Surface Water Protection
Construction Grants and Loans
EPA Region 4
Central Files
North
Carolina
�Natura!!y
North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service
Internet: h2o.enr.state.nc.us 512 N. Salisbury St. Raleigh, NC 27604 FAX [phone]
An Equal Opportunity/Affirmative Action Employer- 50% Recycled/10% Post Consumer Paper

Permit NC0003573
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby
revoked, and as of this issuance, any previously issued permit bearing this number is no longer
effective. Therefore, the exclusive authority to operate and discharge from this facility arises under the
permit conditions, requirements, terms, and provisions included herein.
E.I. DuPont de Nemours & Co., Inc.
is hereby authorized to:
Continue to operate existing wastewater treatment facilities consisting of:
• equalization;
• neutralization;
• aerated pre -digester tank;
• nutrient feed system;
• aeration tank;
• dual clarifiers;
• effluent flow measurement;
• tertiary filters
• DAF unit;
• rotary filter for sludge thickening;
• sludge filter press; and
• steam heated sludge dryers.
2. After obtaining an Authorization to Construct (ATC) from the Division, construct and
operate a third clarifier.
3. Discharge treated process wastewater from Butacite, Nafion, Teflon@ PMDF, and PVF,
process stormwater, sanitary wastewater, and co -neutralized regenerate from said
treated facilities through internal outfall 001;
4. Discharge stormwater, non -contact cooling water, boiler blowdown and condensate, and
treated wastewater effluent from 001, through outfall 002 at the location specified on
the attached map into the Cape Fear River, a class C water in the Cape Fear River
Basin.
5. After obtaining an Authorization to Construct (ATC) from the Division, relocate outfall
002 to the Cape Fear River at the location specified on the attached map.

DuPont Fayetteville Works - NC0003573
USGS Quad Name: Duart Lat.: 34049'53"
Receiving Stream: Cape Fear River Long.: 78049'23"
Stream Class: C
Subbasin: Cape Fear - 030616
Facility
Location«
NorthiF Not to SCALE

RECEIVED
MAR 1 8 2008
Information Processing Unit
DWQ/BOG