ML19343C330

Responds to IE Bulletin 78-04, Environ Qualification of Certain Stem-Mounted Limit Switches Inside Reactor Containment. No stem-mounted Limit Switches Utilized in safety-related Applications

ML19343C330
Person / Time
Site:	Millstone
Issue date:	03/11/1978
From:	Switzer D NORTHEAST UTILITIES
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
780316, IEB-78-04, IEB-78-4, NUDOCS 8103090496
Download: ML19343C330 (1)

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March 16,1978 Docket No. 50-245 50-336 U. S. Nuclear Regulatory Commission Region 1 631 Park Avenue King of Prussia, PA 19406 ATTN: Mr. Boyce H. Grier Gentlemen:

Reference:

Inspection and Enforcement Bulletin 78-04 This is in response to the above referenced bulletin concerning NAMCO D2400X or EA-170-302 Snap l.ock switches.

Following an investigation, we are pleased to inform you that none of the above switches are utilized in safety-related applications inside the containment of Millstone Unit 2 or the drywell of Millstone Unit 1.

Very truly yours, i

NORTHEAST NUCLEAR ENERGY COMPANY

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D. C. Switzer President DCS:TJD/kwe

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