ML20247F327

Requests Answers to Listed Questions Re 861202 Response to Ofc of Investigations Inquiry Into Operations & Mgt of Liquid Effluent Program

ML20247F327
Person / Time
Site:	Rancho Seco
Issue date:	12/24/1986
From:	Meeks 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 8905300051
Download: ML20247F327 (2)

Text

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UNITED STATES NUCLEAR REGULATORY COMMI5 SION

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• j OFFICE OF INVESTIGATIONS FIELD OFFICE. REGICN V

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• WALNUT CREEK CANFo N 596 December 24, 1986 John E. Ward -

Deputy General fianager Nuclear .

Sacramento Municipal Utility District P.O. Box 15830 Sacramento, California 95852-1830

Dear Mr. . Ward:

With respect to yodr' December 2,1c86 response on matterr. related to the Office of Investigations' inquiry into the operations and management of the Rancho Seco Nuclear Generating Station's Liquid Effluent Program, additional infomation is reouested to help clarify certain aspects of the response. Please provide the following:

1, Copics of pages 2-6 through 2-9 and pace 2-11 of Reference 6-Appendix I, Evaluation Report Rancho Seco Nuclear Generating Station, TERA Corporation, June 1, 1976.

2- Procedures that were established between January 19F0 to Present regarding:

A.10-Demineralized Reactor Coolant Storane System A.17-Miscellaneous Liquid Radwaste System A.28-Miscellaneous Water Systems Plant Operations Manual Procedures that are related to A.10, A.17 and A.28. .

Temporary procedures established for transferriro liquid effluents '

. from the Demineralized Reactor Coolant Storage Tank (DRCST) and Miscellaneous Waste Holdup Tank (MullVT) to the Radwaste Holdup Tank (RHUT).

3 The sampling analysis results obtained from the completion of procedure AP.306

- Sampling Points, Analysis Required. Frequency and Specification Levels - for the period of January 1980 to Present. Restrict the data to the following:

(

III-D Component Coolino Water l

III-E Demineralized Storage Tank- Filter Dutict, RC13 l t III-E Demineralized Reactor Coolant Storage Tani:

'III-F Mise:ellaneous Water lloidup Tank (T 093) e III-F Misen11anaous Haste Tank (T-667)

'O o j I If any samples were not obtained, please exp1Mn the reason the sampics were

'g not taken.

4I owe An explanation of al'1 events and fact", concerning Rancho 'Seco's unplanned

\ modifications for partial draining of the DRCST and hult!T to the RHUT.

SU Include all supporting data such as ECH's, Work Requests and Nonconformance 2f Oge Reports. Your explanation shculd describe all occurrences thet caused t'a d l

am,f o n 6y 5 ;86-010 EXHIBIT i can _L cc - 1m 3

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modifications, a description of exactly what the modifications were, the dates each modification was in effect and a description of any analyses that were conducted concerning the causes and prevention of reoccurrences of the modification.

5 With respect to number 4 above, describe the sampling requirements fo the modifications end the results of any sampling of the modified systems that were conducted prior to, during and after drainage of the tanks. . ,

6 Copies of the data for the period 5/26/77 - 5/21/81 concerning reference 21 -

Computer Compilation of Release Pennit Data, October 14, 1974 through October 28, 1986.

7 Data enllected for the period of January 1980 to Present concerning procedure MEG 3CL, Site Radioactive Water inventory. If any samples were not obtained, please explain the reason the samples were not taken.

8 From initial plant startup to July 20, 1984, supply the LLD/MDA values used prior to implementation of the Radiological Environmental Monitoring Program (REMP).

9 Dates that fish sampling was first initiated in Clay Creek. Supply supporting documents and related procedures.

10 Copies of internal and external audits / surveillance of the Radiological Environmental Monitoring Progran for the period 1980 to Present. Include supporting documents concerning corrective actions taken in response 'to identified deficiencies.

11 A description of the Sacramento Municipal Utility District's Radiological Environmental Monitoring Program organization from the initiation of plant startup to present. Include names of individuals and their responsibilities from both the corporate and station organizations.

If any points of clarification are needed or if any unusual delays are anticipated in responding to the above matters, please contact me at (415)943-3792. Thank you for your cooperation and assistance on NRC's review of this important matter.

Sincerely, Ronald A. Meeks Senior Investigator Office of Investigations t Field Office, Region V Distribution #

s/f QS-86-010 c/f RED 1 OI:RV OI:RVffd.

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86/12/24 86/12/24 n

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