ML20134J992
| ML20134J992 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 02/05/1997 |
| From: | Gibson G SOUTHERN CALIFORNIA EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9702130055 | |
| Download: ML20134J992 (2) | |
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February 5, 1997 U. S. Nuclear Regulatory Commission
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Attention: Document Control Desk Washington, D. C. 20555
Subject:
Docket No. 50-206 l
Report of NPDES Permit Violation i
San Onofre Nuclear Generating Station, Unit 1
Reference:
Letter from H. W. Newton (SCE) to A. L. Coe (California Regional Water Quality Control Board, San Diego Region), NPDES Discharge Monitoring Report, Unit 1, December 26, 1996 Section D6.15.2.c of the Permanently Defueled Technical Specifications to Facility License No. DPR-13 for San Onofre Unit i requires violations of the NPDES Permit or State certification (pursuant to section 401 of the Clean Water Act),
to be reported to the NRC by submittal of copies of the reports required by the NPDES Permit or certification.
This letter provides a copy of the referenced letter which reported one (1) NPDES Permit violation during the month of November 1996, to the California Regional Water Quality Control Board, San Diego Region.
Please let me know if you require any additional information.
Sincerelk(l/
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[ Manager, Gregory T. Gibson Compliance Enclosure 1
cc:
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Callan, Regional Administrator, NRC Region IV
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- Perkins, Jr., Director, Walnut Creek Field Office, NRC Region IV O
l M. K. Webb, NRC Project Manager, San Onofre Unit 1 Louis Carson, Regional Project Inspector, San Onofre Unit 1 9702130055 970205 F PDR ADOCK 05000206}
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1 2 0 0 % % i28 San Clemente, CA 92674-0128
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\\n fl)l%O\\ l\\71 R\\ UlO\\ ll. I ompam December 26,1996 Mr. John Robertus California Regional Water Quality Control Board San Diego Region 9771 Clairemont Mesa Boulevard, Suite B San Diego, California 92124-1331
SUBJECT:
NPDES Discharge Monitoring Report San Onofre Nuclear Generating Station, Unit 1
Dear Mr. Robertus:
The NPDES Discharge Monitoring Report (DMR) for San Onofre Unit I covering the month of November is submitted in accordance with the requirements of Order No. 95-02 (NPDES Permit No. CA0001228). A summan of the generating unit's status and significant analytical results is provided below.
The unit was permanently removed from senice in November 1992. All sampled water sources were found to be within permit limits.
On 11/26/96 at 1800 the Unit i Main Transformer failed. Power to the salt water cooling pumps at Unit I was lost. The salt water cooling pumps provide dilution flow for the sewage treatment plant efiluent as well as heat removal from plant auxiliary components. Due to this loss of power, there was no dilution of the sewage treatment plant effluent until auxiliary power was restored at 0024 on 11/28/96. Samples obtained in the surf zone in three locations in the vicinity of the Unit I combined discharge on i 1/27/96 all indicated celifonn levels well below Ocean Plan limits for coliform (results are attached). The Unit I transformer has since been repaired.
Pursuant to Order No. 95-02, Reporting Requirement 14, the following representative has prepared and is authorized to sign the reports required by this order: Robert K. Heckler, Environmental Engineer.
l I certify under penalty oflaw that this document and all attachments were prepared under my direction or supenision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted.
Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that i
there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations.
Sincerciv,
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- 1. N. Newton Manager, Site Support Senices Enclosure cc: Environmental Protection Agency, Region IX l' ( ) lio\\ 128 m (ic w me.( \\ 0244mi 28 s