ML19256F543

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Ack Receipt of Re Generic Safety Implications of Control Sys & Discusses post-TMI NRC Actions
ML19256F543
Person / Time
Issue date: 06/18/1979
From: Carbon M
Advisory Committee on Reactor Safeguards
To: Basdekas D
NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES)
Shared Package
ML19256F505 List:
References
ACRS-1648, NUDOCS 7912190375
Download: ML19256F543 (3)


Text

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APPENDIX XXXIX Post-TMI NRC Actions

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NUCLEAR REGULATORY COMMISSION ADVISORY COMMITTEE ON REACTOR SAFEGUARDS j

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WASHINGTON D. C. 20555

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June 18, 1979 Mr. Demetrios L. Basdekas Experimental Fast Reactor Safety Research Branch U. S. Nuclear Regulatory Comission Washington, DC 20555 SUE 7ECT: POST-TMI NRC ACTIONS

Dear Mr. Basdekas:

The ACRS acknowledges your letter of June 5, 1979, and agrees that it is important to explore further the generic safety implications of control systems.

As part of its review of the implications of the 'Ihree Mile Island accident the ACRS plans to investigate this issue by means of ap-propriate Subec e ittee and full Ca mittee meetings. You will be notified when these meetings are scheduled. At that time the Commit-tee will be glad to receive any coments you may have.

Sincerely, Max W.ICarbon Chairman ec:

L. V. Gossick, EDO S. Levine, RSR S. Chilk, SECY T. E. Murley, RSR C. N. Kelber, RSR M. Silberberg, RSR R. Mattson, NRR H. Denton, NRR R. Minogue, NRR yppS 17 A-304 1624 M

APPENDIX XL Additional Documents for ACRS's ~Use

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1.

Memorandum, Roger J. Mattson, Director, Lessons Learned Task Force, to Denwood F. Ross, Stephen H. Hanauer, and Daniel R. Muller, Response to ACRS Recomendations, dated June 6,1979.

2.

Detailed Guidance for the NRC Staff on Use of Quantitative Risk Assessment Techniques in Regulatory Decisionmaking.

3.

Power Level Increase Actions (Last Two Years).

4.

Three Mile Island Nuclear Station Administrative Procedure 1012:

Shift Relief and Log Entries.

5.

Memorandum from Peter Tam, Staff Engineer, to ACRS Members, Metropolitan Edison's Proposed Action Prior to TMI-l Startup, dated June 13, 1979.

6.

Memorandum, R. Savio, Staff Engineer, to ACRS Members, Apparent False Statement at the Zimmer ACRS Subcomittee, dated June 12, 1979.

7.

Infomation Report from James R. Shea, Director, Office of International Programs, to the Comissioners, Washington Post Articles on Morris Rosen Interview, dated June 8, 1979.

8.

Preliminary Notification of an Event or Unusual Occurrence -- PNO-79-67AS, Nuclear Incident at Three Mile Island, dated June 11, 1979.

9.

ACRS Consultant's Report on TMI-2 Implications, dated June 8,1979.

10. Various Newspaper Articles on TMI-2.
11. Minutes of the ACRS Subcomittee Meeting on TMI-2 Accident Implications -

Washington, DC - May 31-June 1, 1979.

12. Memorandum, R. F. Fraley, to Max Carbon and M. Bender, Nuclear Power Plant Staffing, Zimer Nuclear Power Station - Apparent False Statement, dated May 16, 1979.
13. Letter, Max W. Carbon, to Dr. Lauriston X. Taylor, National Council on Radiation Protection and Measurements, re copy of the Interagency Task Force Report on Institutional Arrangements, dated May 15, 1979.
14. Memorandum, M. W. Libarkin, to ACRS Members, Report of the Interagency Task Force Report on Institutional Arrangements, dated May 7,1979.
15. Memorandum, R. F. Fraley, Executive Director, to ACRS Members, ACRS Annual Report to Congress on the NRC Safety Research Program, dated May 31, 1979,
16. Memorandum, R. F. Fraley, Executive Director, to ACRS Members and Staff, Proposed Assignrr.ents and Priorities to Pursue the Implications of the TMI-2 Accident, dated May 22, 1979.

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17. Three Mile Island Emercency Plan.
18. Memorandum, M. W. Libarkin, to V. Stello, Director, Division of Operating Reactors, Duane Arnold Recirculation Nozzle Safe End Replacement, dated June 6, 1979.
19. Letter, S. H. Bush, Battelle Pacific Northwest Laboratories, to Andrew L, Bates, Review of Duane Arnold RPV Nozzle Safe End Replacement Weldment Information, dated April 17,1979.
20. Preliminary Notification of Event or Unusual Occurrence -- PNO-79-05, Alleged Licensee Acceptance of Rejectable Welds, Duane Arnold, dated January 15,1979.

21. Preliminary Notification of Event or Unusual Occurrence, Ncnconfonning Welds in Safe End Repairs, Duane Arnold, dated January 19, 1979.

22. Preliminary Notification of Event or Unusual Occurrence -- PNO-79-23, Questionable Surface Conditions on Safe End Repair Weld, Duane Arnold, dated February 8,1979.
23. Safety Evaluation by the Office of Nuclear Reactor Regulation on Duane Arnold Energy Center, dated March 5, 1979.
24. Letter, D. V. Shaller, Plant Manager, Donald C. Cook Nuclear Plant, to Mr. J. G. Keppler, Regional Director, Office of Inspection and Enforcement, re Leaks in Main Feedwater Lines, dated May 26, 1979.

IN 4'M 1624R2'