ML20059B358
| ML20059B358 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 12/13/1993 |
| From: | Rehn D DUKE POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9401040095 | |
| Download: ML20059B358 (3) | |
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LI DukeIbwer Company.
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Catawba Nudear Generation Department Vice11esident 4800ConcordRoad
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(803)S313205 Office
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- York,5C29745
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DUKEPOWER l
1 December 13, 1993 U. S. Nuclear Regulatory Commission ATTN: Document Control Desh Washington, DC 20555
Subject:
Catawba Nuclear Station -
Docket Nos. 50-413 and 50-414 Environmental Protection Plan Reporting l
The Environmental Protection Plan (Appendix B to the Catawba Facility Operating License) requires that changes to the NPDES Permit or State'. Certification be reported to the NRC within thirty (30) days following the date the change-is approved.
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Attached please find approval for the discharge of Molybdate issued by the South Carolina Department of Health and Environmental Control November 22, 1993.
Very truly yours
/d D. L. Rehn Attachments JTil/EPP 1993 a
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U. S. Nuclear Regulatory Commission December 13, 1993 j
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S. D. Ebneter ti Regional Administrator, Region II l
R. J. Freudenberger Senior Resident Inspector Catawba Nuclear Station R. E. Martin, ONRR
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- y Board Richard E Jobhour. DOS, Chairman William L Apptogaw 111 RobertJ. Singling.Jr Vice CMerr. art John H. Burdsa "Cos.ortrnerts of Haatth and Environmenw Control 2600 Bull Street, Columbia. SC 29201 Pronioting Health. Protecting the Ern sonsneef November 22, 1993 Mr. John S. Carter, Technical System Manager
' Environmental-Division Duke Power Company 13339 Hagers Ferry Road Huntersville, N.C. 28078-7929 Re: Use of Holybdate Duke PowerCo./CatawbaNuclear Station York County
Dear Mr. Carter:
Our Office has received your August 31, 1993 letter pro 20 sing the use of molybdate as a corrosion inhibitor in several of the closed coo'lin9 water systems at the Duke Power Company / Catawba Nuclear Stat. ion in~ York County. We understand if this program is successful the level of sodium nitrite, which is currently the main. corrosion inhibitor, would significantly be reduced.
The molybdate will only be discharged via outfalls 001 and 002 to Lake Wylie on an intermittent frequency during system maintenance or possible leaks. Based on a review' of the information provided, we approve your request to limit nitrite at Outfalls 001 and 002 to a daily maximum of less than 4.3 mg/1, the no observed effect concentration (N0EC), per occurrence.
If you should have any questions, please call me at-(803)734-5247. -
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Sincerely, e-.
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1 Timothy H. Eleazer Environmental Engineer Associate Industrial and-Agricultural Wastewater Division TEMSTAiPROTEGJNSECU THE/ebs NOV 2 91993 '
cc: Al Williams, Catawba EQC d 9E Vernon Beaty, Water Quality Monitoring D k.'X'.Js D.UE.
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