ML19256B453
| ML19256B453 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 06/22/1979 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Jackie Jones CAROLINA POWER & LIGHT CO. |
| References | |
| NUDOCS 7907110213 | |
| Download: ML19256B453 (1) | |
Text
{{#Wiki_filter:.... [pn ato u UNITED ST ATES 'o NUCLEAR REGULATORY COMMISSION h *$,, ,t REGION il \\h.Z. ' E 101 M ARIETT A ST., N.tv., SulT E 3100 o, NM AT LANT A. GEORGI A 30303 'g ' b. " o JUN 2 21979 In Reply Refer To: RII:JP0 50-325, 50-324 Carolina Power and Light Company ATTN: J. A. Jones Executive Vice President and Chief Operating Officer 411 Fayetteville Street Raleigh, North Caroline 27602 Gentlemen: If there The enclosed Circular 79-09, is forwarded to you for information. are any questions related to your understandinb of the suggested actions, please notify the contact listed in the enclosu e to the circular. Sincerely, h James P. O' Reil y Director
Enclosures:
1. IE Circular No. 79-09 2. Listing of IE Circulars Issued in Last Twelve Months 83.5 184 1 1907110 2rfI ? e
JUN 2 21979 Carolina Power and Light Company cc w/ encl: A. C. Tollison, Jr. Plant tianager Box 458 28461 Southport, North Carolina e i h 4 9 9 \\ ./ 835 18$ II
i 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 CERTAIN SELF-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 Healta (NIOSH) of the high rate of regulator diaphragm failures in the Scott Air Pak II/ IIA and Presur-Pak II/ IIA self-contained breathing apparatus. The failures, rar. king from pin holes in the diaphragm to complete diaphragm rupture, have been identified in about 10 percent of the units by the NIOSH field survey. 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 Licensecs: Many major licensees use the types of Scott apparatus described above. Users of the devices should take the following action: 1. Establisb a program for examination of the described respiratory devices in accordance with the enclosed NIOSH mailgram; or 2. Incorporate the provisions cf the NIOSH mailgram into your current program for inspection of the described devices. No written response to this Circular is required. If you require additional information regarding this subject, please contact the individual specified in the enclosed mailgram.
Enclosure:
Mailgram g j,') }86 en cayn m.m. c wr: w r m m - ~; - - i DUPLICATE DOCUMENT ff y Entire document previously entered j into system under: j 0619OAM ANO No. of pages: [ LLa.i-.a L - =~. uu -~ =. L-}}