ML19248C906
| ML19248C906 | |
| Person / Time | |
|---|---|
| Issue date: | 06/22/1979 |
| From: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Stickney J PICKER INTERNATIONAL, INC. |
| References | |
| NUDOCS 7907050429 | |
| Download: ML19248C906 (1) | |
Text
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GLEN E LLYN, ILLINOIS 60137 JUN 2 21979 Picker Corporation License No. 34-07225-09 ATTN:
Mr. J. B. Stickney Chairman Radioisotope Committee 595 Miner Road Cleveland, Oli 44143 Gentlemen:
The enclosed IE Circular No. 79-09, is forwarded to you for informa-tion.
If there are any questions related to your t '"rstanding of the suggested actions, please notify the contact listed
. the enclosure to the circular.
Sincerely, James G. Keppler Director
Enclosure:
IE Circular No. 79-09 cc w/encls:
Mark Rosumny, RSO Central Files PDR NSIC 9 fl 7
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U.S. NUCLEAR REGULATORY COMMISSION 0FFICE OF INSPECTION AND ENFORCEMENT REGION III 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 Health (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, ranging 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 apparatur 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 use 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 ma11 gram into yvur 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:
1.
Mailgram 2.
List of IE Circulars issued in last twelve months DUPLICATE DOCUMENT Entire document previously entered into system under:
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