ML19224C260
| ML19224C260 | |
| Person / Time | |
|---|---|
| Site: | Kansas State University |
| Issue date: | 06/22/1979 |
| From: | Seyfrit K NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Faw R KANSAS STATE UNIV., MANHATTAN, KS |
| References | |
| NUDOCS 7907020020 | |
| Download: ML19224C260 (1) | |
Text
{{#Wiki_filter:CEllTPAL FILES TE S:HQ . /" "' %s -TIC f o, UNITED STATES f1 SIC 5, Ch5Nc/' ,o 5 4.; NUCLEAR REGULATORY COMMISSION REGION IV o, 'iM,h r' f 611 RY AN PLAZ A DRIVE, SUITE 10C0 n a N O \\.~..". [ AR LINGTON, T E X AS 76012 + June 22, 1979 In Reply Refer To: Docket No. 50-188 Kanras State University Department of Nuclear Engineering AT'N: Dr. R. E. Faw, Director Nuclear Reactor Facility Minhattaa, Kansas 66502 Jentlemen: The enclosed IE Circular 79-09, is forwarded to you for information. If there are any questions related to your understanding of the suggested actions, please notify the contact listed in the enclosure to the circular. Sincerely, Mig c 0 ~ A Karl V. Seyf@ Director
Enclosures:
1. IE Circular No. 79-09 2. List of IE Circulars Issued in Last 12 Months 267 003 7 9070200fc3 Q>
UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT WASHINGTON, D.C. 20555 IE Circular No. 79-09 Date: June 22, 1979 Page 1 of 1 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 Health (NIOSH) of the high rate of regulator diaphragm faf.ures in the Scott Air Pak II/ IIA and Presur-Pak II/ IIA self-contained breathing apparatus. The failures, ranging fr
- in holes ie the diaphragm to complete diaphragm rupture, have been iden itied 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 Licensees: Many major licensees us'e the types of Scott apparatus described above. Users of the devices should take the following action: 1. Establish a program for examination of the described respiratory devices in accordance with the enclosed NIOSH mailgram; or 2. Incorporate the provisions of 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 9ii
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