AtC 2010

North Carolina Department of Environment ar
Division of Water Quality
Beverly Eaves Perdue
Governor
Mr. Mike Johnson
E I DuPont de Nemours and Company
22828 NC 87 Highway West
Fayetteville, North Carolina 28306
Dear Mr. Johnson:
Coleen H. Sullins
Director
December 215 2010
an
SUBJECT: Authorization to Construct
A to C No. 003573A02
E I DuPont de Nemours and Company
DuPont Fayetteville Works
Relocation of Site Outfall and Effluent Discharge
Bladen County
A letter of request for an Authorization to Construct was received August 3, 2010, by the
Division of Water Quality (Division), and final plans and specifications for the subject project
have been reviewed and found to be satisfactory. Authorization is hereby granted for the
construction of modifications to the existing 2.0 MGD Wastewater Treatment Plant, with
discharge of treated wastewater into the Cape Fear River in the Cape Fear River Basin.
This authorization results in no increase in design or permitted capacity and is awarded
for the construction of the following specific modifications:
Relocation of Outfall 002 upstream of Lock &Dam #3 that includes construction
of approximately 2,900 ft of an open channel drainage system, a combined
stormwater and treatment effluent flow management basin, and installation of
approximately 1,135 if of 4&inch and 4651f of 60 -inch outfall piping, in
conformity with the project plans, specifications, and other supporting data
subsequently filed and approved by the Department of Environment and Natural
Resources.
This Authorization to Conshuct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NC0003573 issued May 25, 2007, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0003573.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604
Phone: [phone] FAX: [phone] Customer Service: 1-877-623-6748
Internet: www.nwaterquality,org
An Equal Opportunity 1 Affirmative Action Employer
One
NorthCarolina
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Mr. Mike Johnson
December 21, 2010
Page 2
The sludge generated from these treatment facilities must be disposed of in accordance
with G.S. 143-215.1 and in a manner approved by the Division.
In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those as may
be required by the Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
The Fayetteville Regional Office, telephone number [phone], shall be notified at
least forty-eight (48) hours in advance of operation of the installed facilities so that an on site
inspection can be made. Such notification to the regional supervisor shall be made during the
normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State
Holidays.
Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the permitted facility
has been installed in accordance with the NPDES Permit, this Authorization to Construct and the
approved plans and specifications. Mail the Certification to: Construction Grants & Loans,
DWQ/DENR, 1633 Mail Service Center, Raleigh, NC 276994633.
Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of the
wastewater treatment facilities. The operator must hold a certificate of the type and grade at
least equivalent to or greater than the classification assigned to the wastewater treatment
facilities by the Certification Commission,
The Permittee must also employ a certified back-up operator of the appropriate type and
grade to comply with the conditions of 1415A:8G.0202. The ORC of the facility must visit each
Class I facility at least weekly and each Class II, III and IV facility at least daily, excluding
weekends and holidays, must properly manage the facility, must document daily operation and
maintenance of the facility, and must comply with all other conditions of T15A:8G.0202.
A copy of the approved plans and specifications shall be maintained on file by the
Permittee for the life of the facility.
During the construction of the proposed additions/modifications, the permitt
ee shall
continue to properly maintain and operate the existing wastewater treatment facilities at all times,
and in such a manner, as necessary to comply with the effluent limits specified in the NPDES
Permit.
You are reminded that it is mandatory for the project to be constructed in accordance
with the North Carolina Sedimentation Pollution Control Act, and when applicable, the North

Mr. Mike Johnson
December 21, 2010
Page 3
Carolina Dam Safety Act. In addition, the specifications must clearly state what the contractor's
responsibilities shall be in complying with these Acts.
Prior to entering into any contracts) for construction, the recipient must have obtained all
applicable permits from the State.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division in accordance with North
Carolina General Statute 143-215.6A to 143-215.6C.
The issuance of this Authorization to Construct does not preclude the Permittee from
complying with any and all statutes, rules, regulations, or ordinances which may be imposed by
other government agencies (local, state, and federal) which have jurisdiction.
One (1) set of approved plans and specifications is being forwarded to you. If you have
any questions or need additional information, please contact Seth Robertson, P.E. at telephone
number [phone].
Sincerely,
vT Coleen H. Sullins
;t*sr
cc: Terry Kearney, P.E., KBR Raleigh, 2450 Perimeter Park Drive, Suite #1001
Morrisville, NC 27560
Bladen County Health Department
DWQ Fayetteville Regional Office, Surface Water Protection
Technical Assistance and Certification Unit
Point Source Branch, NPDES Program
Steve Tsadwa, Review Engineer
ATC File

E I DuPont de Nemours and Company
A To C No. 003573A02
December 21, 2010
Engineer's Certification
I, , as a duly registered Professional Engineer in
the State of North Carolina, having been authorized to observe (periodically/weekly/full time)
the construction of the modifications and improvements to the DuPont — Fayetteville Works,
located on 22828 NC Highway 87 in Bladen County for E I DuPont de Nemours and Company,
hereby state that, to the best of my abilities, due care and diligence was used in the observation
of the following construction:
Relocation of Outfa11002 upstream of Lock &Dam #3 that includes construction
of approximately 2,900 ft of an open channel drainage system, a combined
stormwater and treatment effluent flow management basin, and installation of
approximately 1,1351f of 48 -inch and 4651f of 60 -inch outfall piping, in
conformity with the project plans, specifications, and other supporting data
subsequently filed and approved by the Department of Environment and Natural
Resources.
I certify that the construction of the above referenced project was observed to be built within
substantial compliance and intent of the approved plans and specifications.
Signature
Date
Registration No.
Send to: Construction Grants &Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 276994633