ML20213F934

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Forwards Discharger self-monitoring Rept for Oct 1986,per Re NPDES Permit
ML20213F934
Person / Time
Site: Rancho Seco
Issue date: 11/05/1986
From: Julie Ward
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To: Stolz J
Office of Nuclear Reactor Regulation
Shared Package
ML20213F937 List:
References
JEW-86-799, NUDOCS 8611170254
Download: ML20213F934 (4)


Text

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e~suun SACRAMENTO MUNICIPAL UTILITY DISTRICT "_ 6201 S Street, P.O. Box 15830 Sacramento CA 95852-1830.(916)452-3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA JEW 86-799 i

November 5, 1986

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, 512 DIRECTOR OF NUCLEAR REACTOR REGULATION J R STOLZ - CHIEF OPERATING REACTORS, BRANCH 4 WASHINGTON DC 20555 _

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Attached is the information requested by John Stolz in his March 11, (

1983 letter to J. J. Mattimoe concerning National Pollutant Discharge -

Elimination System (NPDES) permit.

Further questions may be directed to Mr. George Campbell, who can be reached at (209) 333-2935, extension 4144.

. E. WARD DEPUTY GENERAL MANAGER, NUCLEAR Attachment P611170254 861105 PDR ADOCK 05000312 5)

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()CMUD SACRAMENTO MUNICIPAL UTILITY DISTRICT 6201 S Street. P.O. Box 15830. Sacramento CA 95852-1830 (916)452-3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA NPM 86-155 November 4, 1986 REGIONAL ADMINISTRATOR ENVIRONMENTAL PROTECTION AGENCY REGION IX 215 FREM0NT STREET SAN FRANCISCO CA 94105 In accordance with reporting requirements of the California Water Quality Board, please find enclosed a copy of the report of waste water quality monitoring at Rancho Seco for the month of October 1986.

U D. C. POOLE MANAGER, NUCLEAR PLANT RANCHO SEC0 NUCLEAR GENERATING STATION 14440 TWIN CITIES ROAD - M.S. 254 HERALD CA 95638 Enclosure (4)

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bsuun SACRAMENTO MUNICIPAL UTILITY DISTRICT Z 6201 S Street, P.o. Box 15830. Sacramento CA 95852-1830.(916)452-3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA NPM 86-156 November 4, 1986 W H CROOKS CALIFORNIA WATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION 3201 S STREET SACRAMENTO CA 95814 ORDER 85-210 WATER DISCHARGE REQUIREMENTS SACRAMENTO MUNICIPAL UTILITY DISTRICT RANCHO SEC0 NUCLEAR GENERATING STATION UNIT 1 In accordance with the monitoring and reporting requirements of the subject order, please find attached a summary of the Water Quality Monitoring Program at the Rancho Seco facility for October 1986.

Additional comments are as follows:

1. Rancho Seco has been shut down since December 26, 1985.
2. Maximum waste water flow rate was 10,000 gpm for 0.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> on October 18.
3. Waste water discharges amounted to 310.2 M gallons.
4. Maximum TDS in waste water discharge was 210 ppm, based on conductivity. That level was experienced during a retention basin release on October 15.
5. Flow through the sewage plant averaged 25,737 gpd for the month of October.
6. The new sewage plant was put into operation November 30, 1985 and is still in a testing mode. All sewage flow is processed through the new plant.

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.W H CROOKS -2 . November 4, 1986

7. Visual inspections of the site boundary have not indicated any floating or suspended matter, discoloration, or bottom deposits.

Aquatic life appears to be normal.

8. High Settleable Matter, Total Caliform, and BOD in the sewage plant effluent is attributed to heavy maintenance activities on the sewage plant terraces.

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'b' D. C. P0 OLE MANAGER, NUCLEAR PLANT RANCHO SEC0 NUCLEAR GENERATING STATION 14440 TWIN CITIES ROAD - M.S. 254 HERALD CA 95638 -

Enclosure (4) cc: J. E. Ward D. Gillispie

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