ML19256B679
| ML19256B679 | |
| Person / Time | |
|---|---|
| Site: | Westinghouse |
| Issue date: | 08/08/1979 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Damore M WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP. |
| References | |
| NUDOCS 7908210435 | |
| Download: ML19256B679 (1) | |
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UNITED ST ATES
+1,.....,'o, NUCLEAR REGULATORY COMMIS$$N 101 MARitTT A ET., N W., SulTE 3190f, REGlON 11 E'
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RII:JP0 70-1151 Westinghouse Electric Corporation Attn:
Mr. M. D'Amore Manager, Columbia Plant Nuclear Fuel Division Drawer R Columbia, South Carolina 29205 Centlemen:
f tion. If there The enclosed Circular 79-09, is forwarded to yop for in ormaf the suggest are any questions related to your understanding o the circular.
please notify the contact listed in the enclosure to Sincerely, M James P. O'Reill Director
Enclosures:
IE Circular No. 79-09 1.
Listing of IE Circulars 2.
Issued in Last Twelve Months 7008210Y3f
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UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT WASHINGTON, D.C.
20555 June 22, 1979 IE Circular No. 79-09 OCCURRENCES OF SPLIT OR PUNCTURED REGULATOR DIAPHRAGMS IN CERTAI CONTAINED BREATHING APPARATUS Description of Circumstances:
The Nuclear Regulatory Commission (NRC) has been informed by mailgram (copy enclosed) from the National Institute of Occupational Safety and Health (NIOSH) of the high rate of regulator diaphragm failures in the Scott Air Pak II/ IIA The failures, and Presur-Pak II/ IIA self-contained breathing apparatus.
ranging from pin holes in the diaphragm to complete diaphragm rupture, have 10 percent of the units by the NIOSH field survey.
been identified in about Tests of the Scott apparatus by NIOSH showed reduced respiratory protection in the Demand-Mode and a loss of service time (but no loss of protection) in the Pressure Demand-Mode.
Notice to Licensees:
Users Many major licensees use the types of Scott apparatus described above.
of the devices should take the following action:
Establish a program for examination of the described respiratory devices 1.
in accordance with the enclosed NIOSH mailgram; or Incorporate the provisions of the NIOSH mailgram into your current program 2.
for inspection of the described devices.
No written response to this Circular is required.
If you require additional the individual specified information regarding this subject, please contact in the enclosed mailgram.
Enclosure:
Mailgram DUPLICATE DOCUMENT Entire document previously entered into svstem un er:
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ANO No. of pages: