ML19242D876

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Forwards IE Circular 79-15, Bursting of High Pressure Hose & Malfunction of Relief Valve & O-Ring in Certain Self-Contained Breathing Apparatus. No Action Required
ML19242D876
Person / Time
Site: Millstone  Dominion icon.png
Issue date: 08/08/1979
From: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To: Counsil W
NORTHEAST NUCLEAR ENERGY CO.
References
NUDOCS 7908230346
Download: ML19242D876 (1)


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631 PARK AVENUE KING OF PRUSSIA, PENNSYLVANIA 19406 August 8,1979 Docket Nos. 50-245 50-336 Northeast Nuclear Energy Company ATTN:

Mr. W. G. Counsil Vice President - Nuclear Engineering and Operations P. O. Box 270 Hartford, Connecticut 06101 Gentlemen:

The enclosed Circular 79-15, is forwarded to you for information.

If there are any questions related to your understanding of the suggested actions, please notify NIOSH at the telephone No. listed in the attachment to the Circular.

Sincerely, SW.ntke;'y Boyce H. Grier Director

Enclosures:

1.

IE Circular No. 79-15 w/ attachment 2.

Listing of IE Circulars Issued in the Last Six Months cc w/encls:

J. F. Opeka, Station Superintendent D. G. Diedrick, Manager of Quality Assurance J. R. Himmelwright, Licensing Safeguards Engineer A. Z. Roisman, Natural Resources Defense Council

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ENCLOSURE 1 UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT WASHINGTON, D.C.

20555 IE Circular No. 79-15 Date:

August 8, 1979 Page 1 of 1 BURSTING 0F HIGH PRESSURE HOSE AND MALFUNCTION OF RELIEF VALVE AND "0"-RING IN CERTAIN SELF-CONTAINED BREATHING APPARATUS Description of Circumstances:

The Nuclear Regulatory Commission (NRC) has been informed by mailgram (copy attached) from the National Institute of Occupational Safety and Health (NIOSH) of occurrences of bursting of the high pressure hose assembly, and malfunction of the relief valve and of the "0"-Ring in the main line assembly of the SurvivAir Mark I self contained breathing apparatus.

Anyone of these failures would result in immediate loss of air supply to a user.

Licensees who use the SurvivAir Mark I SCBA should:

1.

Discontinue use of the apparatus until the units hJ e been inspected by the manufacturer and all necessary repairs or replacements have been made.

2.

Contact the manufacturer or supplier of the equipment for instructions on arranging for inspection and repair.

hv written response to this circular is required.

If you require additional information regarding this subject, please contact the office specified in the attached mailgram.

Attachment:

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