ML19256B446
| ML19256B446 | |
| Person / Time | |
|---|---|
| Issue date: | 06/22/1979 |
| From: | Pappas H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Wright G ILLINOIS, STATE OF |
| References | |
| NUDOCS 7907110198 | |
| Download: ML19256B446 (1) | |
Text
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t UNITED STATES l ) ) r,f(',j NUCLEAR REGULATORY COMMISSION
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GLEN ELLYN, ILLINOIS 60137 JUN 2 51979
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Vmd FCfr.re:: ev-n State of Illinois Department of Public Health ATTN:
Mr. Gary N. Wright, Chief Division of Nuclear Safety 535 West Jefferson Street Springfield, IL 62761 Gentlemen:
The attached IE Circular No. 79-09 titled " Occurrences of Split or Punctured Regulator Diaphragms in Certain Self Contained Breathing Apparatus" was sent to the following licensees on June 22, 1979 for information:
PWR's and BWR's American Electric Power Service Corporation Indiana and Michigan Power Company D. C. Cook 1, 2 (50-315, 50-316)
Commonwealth Edison Company Dresden 1, 2, 3 (50-10, 50-237, 50-249)
Quad-Cities 1, 2 (50-254, 50-265)
Zion 1, 2 (50-295, 50-304)
Consumers Power Company Big Rock Point (50-155)
Palisades (50-255)
Dairyland Power Cooperative LACBWR (50-409)
Iowa Electric Light & Power Company j
Duane Arnold (50-331)
Northern States Pover Company Monticello (50-263-Prairie Island 1,
- (50-282, 50-306)
Toledo Edison Co=pany 8 } }
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Davis-Besse 1 (50-346)
Uisconsin Electric Power Company Point Beach 1, 2 (50-266, 50-301)
Wisconsin Public Service Corporation Kewaunee (50-305)
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JUN 2 5 E79 State of Illinois Fuel Facilities Allied Chemical Corporation (40-3392)
Battelle Columbus Laboratories (70-08)
Combustion Engineering, Inc.
(70-36)
General Electric Company (70-1308, 70-1309, 70-1220)
Goodyear Aerospace Corporation (70-1489)
Kerr-McGee Nuclear Corporation (70-925, 70-1193)
Purdue University (70-152)
Amersham Searle (12-12836-01)
Picker Corporation (34-07225-09)
Minnesota Mining and Manufacturing Company (22-00057-06)
Monsanto Research Corporation (SNM-567)
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Mallinckrodt Incorporated (24-04206-01) 8 3 '] lbb
JUN 2 51979 State of Illinois Fuel Facilities continued Abbott Laboratories (12-00621-03)
Cerac, Incorporated (STB-1027)
Sincerely, bxN f
Helen Pappas, Chief Administrative Branch
Enclosure:
IE Circular No. 79-09 cc w/ encl:
Central Files Reproduction Unit hTC 20b Local PDR NSIC TIC D. W. Kane, Sargent and Lundy i
835 169
U.S. NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT REGION III June 22, 1979 IE Circular No. 79-09 OCCURRENCES OF SPLIT OR PUNCTURED REGULATOR DIAPHRAGMS IN CERTAIN SELF-CCNTAINED BREATHING APPARATUS Description of Circumstances:
The Nuclear Regulatory Com=ission (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 co=plece 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 Licensees:
Many major licensees use the types of Scott apparatua described above. Users cf 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 uritten response to this Circular is required. If you require additional information regarding this subject, please contact the individual specified in the enclosed mailgram.
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Enclosure:
1.
Mai.' gram 2.
List of IE Circulars issued in last twelve months
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