NC0039586_Minor Permit Modification_20040107

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January 7, 2004
Mr. B. C. Waldrep, Plant General Manager
Progress Energy Carolinas, Inc.
Harris Nuclear Plant
P.O. Box 165
New Hill, NC 27562
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Subject: Minor Permit Modification
Permit Number NCO039586
Wake County
Dear Mr. Waldrep:
Alan W. Klimek, P.E. Director
Division of Water Quality
In accordance with your request and the Division's review, enclosed with this letter is a minor
modification to the above referenced permit. This permit modification is issued pursuant to the
requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement
between North Carolina and the U.S. Environmental Protection Agency dated May 9, 1994 (or as
subsequently amended).
This permit modification includes membrane backwash water as a low-volume waste and
authorizes discharge of said water through internal outfall 004. ,
Please take notice that' this permit is not transferable. This permit does not affect the legal
requirements to obtain other permits which may be required by the Division of Water Quality or
permits required by the Division of Land Resources, Coastal Area Management Act, or any other
Federal or Local governmental permits which may be required.
If you have any questions or need additional information, please contact Mr. Mark McIntire,
P.E., telephone number [phone], extension 508.
Sincerely,
an W. Klimek, P.E.
cc: Central Files
NPDES Unit, Permit File
Raleigh Regional Office, Water Quality
NorthCarolinm
-Naturally
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 (91'9) 733-0719 1-877-623-6748
An Equal Opportunity/Affirmative Action Employer — 50% Recycled/10% Post Consumer Paper

Permit No. NCO039586
SECTION A(4). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
i
Beginning on the effective date of this perm It and lasting. until expiration, the Permittee is authorized to discharge
treated wastewater from outfall 004, Low Volume Wastes' (including membrane backwash water). Such discharges
shall be limited and monitored by the Permittee as specified below:
Notes:
1. Low volume waste sources as defined in 40 CFR 423.11 (b).
2. Effluent prior to mixing with any other wg aste stream.
3. The volume of wastewater discharged from the facility shall be monitored. If continuous flow monitoring is not
feasible, flow may be estimated.
P.*
Average^
MasitKtum
Frequency
Locat, on..
Flow
1.5 MGDIIt
Weekly
Estimate3
Effluent
Total Suspended Solids
30.0 mg/
100.0 mg/L
2/Month
Grab
Effluent
Oil and Grease
15.0 mg/
d
20.0 mg/L
Weekly
Grab
Effluent
Notes:
1. Low volume waste sources as defined in 40 CFR 423.11 (b).
2. Effluent prior to mixing with any other wg aste stream.
3. The volume of wastewater discharged from the facility shall be monitored. If continuous flow monitoring is not
feasible, flow may be estimated.
P.*