ML20247F287

Requests Answers to Listed Questions Per 860703 Meeting Re Ofc of Investigations Inquiry Into Operation & Mgt of Liquid Effluent Program

ML20247F287
Person / Time
Site:	Rancho Seco
Issue date:	07/18/1986
From:	Marsh R NRC OFFICE OF INVESTIGATIONS (OI)
To:	Julie Ward SACRAMENTO MUNICIPAL UTILITY DISTRICT
Shared Package
ML20247F042	List: IR 05000312/1986015 ML20247F039 ML20247F045 ML20247F082 ML20247F096 ML20247F107 ML20247F115 ML20247F133 ML20247F205 ML20247F262 ML20247F271 ML20247F287 ML20247F302 ML20247F327 ML20247F338 ML20247F341 ML20247F354 ML20247F360 ML20247F372 ML20247F380 ML20247F395 ML20247F413 ML20247F418 ML20247F438 ML20247F462 ML20247F469 ML20247F476 ML20247F487
References
FOIA-89-2, FOIA-89-A-7 NUDOCS 8905300043
Download: ML20247F287 (2)

Text

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. NUCLEAR REGULATORY COMMISSION -

-N OFFICE OF INVESTIGATIONS FIELD OFFICE, REGloN V ' .

N ,,,,,.

wE/c^n"ETk'N'0*o"ElUses July:18, 1986 Mr.iJohn E. Ward Assistant General. Manager, Nuclear .

Sacramento Municipal ~ Utility District P.O. Box'15830 Sacramento, CA 95813 i

Dear Mr. Ward:

c y

In conjunction with our meeting on July 3,1986 concerning the Office of

' Investigations inquiry into the operations and management of the Rancho Seco Nuclear Generating Station's liquid effluent program, please provide. answers to the following questions:

r. [ From the issuance of Rancho Seco's operating license to present, L identify the water sources, from outside the Station's boundary, for all I

of Rancho Seco's water systems, including those . systems utilized or

' necessary for the generation of power as well as those systems-utilized or necessary for other plant operations. .

2. Identify what radioactive materials and other contaminants are present in Rancho Seco's- water systems including those systems utilized or necessary for the generation of power as well as those systems utilized or necessary for other plant operations.  ;

3. , From the issuance of Rancho Seco's operating license to present,

describe the pathways of the Station's water systems at their points..of origin within the plant.to their. points of release outside the Station's boundary. Also describe the released effluents pathways from the L

Station's boundary to their ultimate destinations.

4. From the issuance of Rancho Seco's operating license to present, provide a detailed account of how and at what intervals radioactive materials

' are identified and released from the Station's water systems. For'each

• testing process identified, provide the operational requirements for conducting such test.

5. From the issuance of Rancho Seco's operating license to present, provide a detailed account of all planned and unplanned modifications to the approved Final Safety Analysis Report'(FSAR) program to identify and release radioactive materials from the stations' systems. Provide the reason why each modification occurred.  ;

I

6. For those planned and unplanned releases made other than as described in the FSAR, frem the- issuance of Rancho Seco's operating license to present, provide a description of each release pathway, the volume of ()

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liquid for each release, the radioactive source and method of determining the source for each release, the amount of radioactivity

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identified per release and if and how the NRC was notified of each release.

7. ForthoseplannedandunplannedreleasesmadeotherthanasdescribIdin the FSAR, from the issuance of Rancho Seco's operating license to ipresent, provide an analysis which shows all possible pathways to the environment and the radiological consequences of all possib,le failures

modes.

i Attach any diagrams, maps, charts or graphs for clarification to the above responses.

Please provide your response by August 15, 1986 You may contact me or Ronald A. Meeks at (415)943-3802 for information or clarification concerning this request.

Thank you for your cooperation and assistance on this matter.

Sine'erely, Robert G. Marsh, Director .

Office of Investigations Field Office, Region V ,

Distribution s/f Q5-86-010 7 c/f .

01:RV RAMeeks:llp b OI:RV RGMarsh 86/07//7 86/07// i l

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