ML20210N507
| ML20210N507 | |
| Person / Time | |
|---|---|
| Issue date: | 05/05/1995 |
| From: | Khadijah West NRC (Affiliation Not Assigned) |
| To: | Schroeder R DOW CORNING CORP. |
| Shared Package | |
| ML20210N260 | List: |
| References | |
| FOIA-97-180 NUDOCS 9708250321 | |
| Download: ML20210N507 (3) | |
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UNIT E D .% TAT E S E 'ik_1. - jI NUCLEAR REGULATORY COMMISSION Ny
- s. ,up c .I fg wA.woToN. o c. acum May 5, 1093 Hr. Robert M. Schroeder, Fire Protection Engineer Dow Corning Corporation C043Al P.O. Box 994 Midland, Michigan 48686-0994
Dear Mr. Schroeder:
Tha synopsis of the U.S. Nuclear Regulatory Commission investigation of an' allegation re.garding Dow Corning 3-6548 Silicon RTV foam (Ca'e 3-93-028R).
which you requested by telephone on May 3,1995, is enclosed. If you have any questions, please call me at 301-415-1220.
Sincerely, A
K. Steven West, Section Chief Plant Systems Branch Office of Nuclear Reactor Regulation
Enclosure:
As stated t
9708250321 970814 PDR FOIA GUNTER97-1BO PDR p10TrG50 37 3PP
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May 5, 1995 Mr. Robert M. Schroeder, Fire Protection Engineer
-Dow Corning Corporation C043Al P.O. Box 994 Midland,-Michigan 48686-0994
Dear Mr. Schroeder:
The synopsis of the U.S. Nuclear Regulatory Commission investigation of an allegation regarding Dow Corning 3-6548 Silicon RTV Foam (Case 3-93-028R),
which you requested by telephone on May 3, 1995, is enclosed. If you have any questions, plaase call me at 301-415-1220.
Sincerely, Original Signed By:
K. Steven West, Section Chief Plant Systems Bran:h Office of Nuclear Reactor Regulation
Enclosure:
As stated DISTRIBUTION w/ encl.
JR6-PfHt Int.1 Nh RPaul, RIII AGallow JLee SWest DOCUMENT NAME: G:\SECTIONC\ WEST \DOW.01
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OFFICE NRR:SPLB_ 3 6 N)LR: PAC 01 /rh I NAME- SWest - f//) JSM AGallow -
DATE 05/ot195' 05/W/95 05/ -/95
. OFFICIAL RECORD COPY
4 SYNOPSIS On January 21,.1994, was forwarded to the Director, Office of Investigationsa notification of the in Regulatory Commission (NRC), regarding an allegation rece(01), ived b U. S. Nuclear (RIII) from an alleger.
It was alleqed that Dow Corning Inc. (y Dow 01Cori.ing),
Region 111 the NRC of a_ defect in its product, Dow CorningThe3-6548 Sil defect allegedly resulted from a 1984 formula change which had an adverse ef-feet on the material's fire resistive properties.
lized by several NRC licensees as a fire penetration seal.The silicons foam is uti-statements to the NRC concerning these alleged defects. investi allegations are interrelated, they are reported as a single allegation.Since both of the
- Based on the evidence developed during the investigation, OI
- R'll rould not the NRC of a ceTect and made deliberate materit' substantiate the alle 1
this defect. talse statements concerning F
JI 4
l 4
4 Case No. 3-93-078D '