ML19241B970

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Forwards IE Info Notice 79-18, Skylab Reentry. No Action Required
ML19241B970
Person / Time
Site: University of Michigan
Issue date: 07/06/1979
From: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To: Kerr W
MICHIGAN, UNIV. OF, ANN ARBOR, MI
References
NUDOCS 7907250474
Download: ML19241B970 (1)


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NUCLEAR R EGULATOR Y COMMISSION f f ;1 REGION ill N,4

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,.y GLEN ELLYN. lLLINOIS 60137 July 9, 1979 Docket No. 50-2 University of Michigan ATTN:

Dr. William Kerr, Director Michigan Memorial - Phoenix Project Phoenix Memorial Laboratory Ann Arbor, MI 48105 Gentlemen:

This Information Notice is provided as an early notification of 2 possibly significant matter.

It is expected that recipients will review the infor-mation for possible applicability to thei. facilities. No specific action or response is requested at this time.

If you have questions regarding this matter, please contact the Director of the appropriate NRC Regional Office.

Sincerely, s$

S & >fer ~

ames G. Kep$

Director

Enclosure:

IE Infor. cation Notice No. 79-18 cc w/ enel:

Central Files Director, NIG/ DPM Director, h7J/ DOR PDR NSIC TIC il 0 5 li2 2

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U.S. NUCLEAR REGULATORY COMMISSION OFelCE OF INSPECTION AND ENFORCEMENT

~ REGION III July 6, 1979 IE Information Notice No. 79-18 SKYI.A2 REENTRY Description of Circumstances:

The most recent dates for reentry of Skylab are July 10 to 14, 1979, with July 12, as tne most probable date.

Recognizing that a hit on a nuclear power plant would be highly unlikely by Skylab debris, the NRC believes it would be prudent for licensees to review their contingency plans in case such an event should actually occur.

The NRC is in ev--anication with the Department of Energy (DOE), and will receive notification from them as soon as the reentry corridor can be established. This notification may occur within 1 to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> before reentry actually occurs.

If it is determined that there are any licensed nuclear power plants in the reentry corridor, the plants will receive notification from their respective Regional Office via the dedicated phone line.

This Information Notice is provided as an early notification of a possibly significant matter.

It is expected that recipients will review the informa-tion for possible applicability to their facilities. No specific action or response is requested at this time.

If further ERC evaluations so indicate, an IE Circular or Bulletin will be issued to recommend or request specific licnesee actions.

If you have questions regarding the matter, please contact the Director of the appropriate NRC Regional Office.

No written response to this infor=ation notice is required.

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7907120397

IE Information Notice No. 79-18 Enclosure July 6, 1979 Page 1 of 2 LISTING OF IE INFORMATION NOTICES ISSUED IN 1979 Information Subject Date Issued To Notice Nc.

Issued 79-01 Bergen-Paterson Hydraulic 2/2/79 All power reactor Shock and Sway Arrestor facilities with an OL or a CP 79-02 Attempted Extortion -

2/2/79 All Fuel Facilities Low Enriched Uranium 79-03 Limitorque Valve Geared 2/9/79 All power reactor Limit Switch Lubricant facilities with an OL or a CP 79-04 Degradation of 2/16/79 All power reactor Engineered facilities with an Safety Features OL or a CP 79-05 Use of I= proper Materials 3/21/79 All power reactor in Safety-Related Components facilities with an OL or CP 79-06 Stress Analysis of 3/23/79 All Holders of Safety-Related Piping Reactor OL or CP 07 Rupture of Radwaste Tanks 3/26/79 All power reactor facilities with an OL or CP 79-08 Interconnection of 3/28/79 All power reactor Contaminated Systems with facilities with an Service Air Systems Used OL and Pu Processing As the Source of Breathing fuel facilities Air 79-09 Spill of Radioactively 3/30/79 All power reactor Contaminated Resin facilities with an OL 79-10 Nonconforming Pipe 4/16/79 All power reactor Support Struts facilities with a CP 79-11 Lower Reactor Vessel Head 5/7/79 All holders of Reactor Insulation Support Problem OLs and cps

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IE Information Notice No. 79-18 Enclosure July 6, 1979 Page 2 of 2 LISTING OF IE INFORMATION NOTICES ISSUED IN 1979 Information Subject Date Issued To Notice No.

Issued 79-12 Attempted Damage to New 5/11/79 All Fuel Facilities Fuel Assemblies Research Reactors, and Power Reactors with an OL or CP 79-13 Indication of Low Water 5/29/79 All Holders of Reactor Level in the Oyster Creek OLs and cps Reactor 79-14 NRC Position cf Electrical 6/11/79 All Power Reactor Cable Support Systems Facilities with a CP 79-15 Deficient Procedures 6/7/79 All Hold 2rs of Reactor OLs and cps 79-16 Nuclear Incident at Three 6/22/79 All Research Reactors Mile Island and Test Reactors with OLs 79-17 Source Holder Assembly Dc. mage 6/20/79 All Ho'.ders of Reactor Damage From Misfit Between OLs and cps Assembly and Reactor Upper Grid Plate h

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