ML20235J031

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Notifies That Effective Immediately,Condition 1 of 870819 Order Prohibiting Use of Valves in Superior Valve Co Lots Numbered 16-22 Modified as Listed
ML20235J031
Person / Time
Site: 07000734
Issue date: 09/25/1987
From: Thompson H
NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS)
To: Asmussen K
GENERAL ATOMICS (FORMERLY GA TECHNOLOGIES, INC./GENER
References
NUDOCS 8710010273
Download: ML20235J031 (2)


Text

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GA Technologies, Inc. gEP 2 51987 TTIN: Dr. Keith E. Asmussen Manager, Safety, & Nuclear- j 1 Compliance P. 0. Box 85608

.. San Diego, California 92138 Gentlemen:

SUBJECT:

MODIFICATION OF ORDER As stated in the Order regarding UFg ' cylinder valves issued to you by the Nuclear Regulatory Commission on August 19, 1987, the Director of the Office ]

a of Nuclear Material Safety and Safeguards may relax or rescind any of the conditions of the. Order upon a. showing of good cause. .The Order directed that ,

valves manufactured by the Superior Valve Company, lots 16-22, not be used on q 30- and 40-inch uranium hexafluoride cylinders due to the possibility of cracking 4 of valve threads.

Based on a review by Martin-Marietta Energy Systems, Inc..'Paducah, Kentucky, of manufacturing information relative to 1-inch Superior Valve Company UF' cylinder valves, the Department of Energy (DOE), Safety and Health Divisihn, has recommended to the NRC that-1-inch Superior Valves from lot (heat) 16 be authorized for use. DOE indicates that lot 16 has not had evidence of failure in use and is of an acceptable heat of material.

Accordingly, effective immediately, Condition 1 of the.0rder prohibiting the use of valves in Superior Valve Company Lots numbered 16-22 is hereby modified to read: ,

1. GA Technologies, Inc., shall not fill, heat, empty, or deliver to a carrier for transport 48-inch and 30-inch uranium hexafluoride cylinders fitted with Superior Valve Company 1-inch valves manufactured in Superior Valve Company Lots numbered 17 through 22.

All other conditions of the Order shall remain in effect.

Lincerely, W 18Lual Signed Bys Hugh L. Thompson, Jr., Director Office of Nuclear Material Safety and Saveguards DISTRIBUTION EDocketi70-734L PDR NMSS Office R/F IMUF R/F IMSB R/F -VLTharpe EYShum Region V DSly JJSwift LCRouse .

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