ML19256B457
| ML19256B457 | |
| Person / Time | |
|---|---|
| Site: | Hatch  |
| Issue date: | 06/22/1979 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | John Miller GEORGIA POWER CO. |
| References | |
| NUDOCS 7907110228 | |
| Download: ML19256B457 (1) | |
Text
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UNITED sT ATES
'o 8 *cs y,(f [,j NUCLEAR REGULATORY COMMISSION REGION 11 y
- hY!((# - [r 101 M ARIETT A ST., N.W., SUtTE 310o o,
a AT L ANT A GE oRGI A 30303
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JUN 2 21979 In Reply Re' c To:
RII:JPO 50-321, 50-366 Georgia Power Company Attn:
J. H. Miller, Jr.
Executive Vice President 270 Peachtree Street, N. W.
,- Atlanta, Georgia 30303 Gentlemen:
If there The enclosed Circular 79-09, is forwarded to you for information.
are any questions related to your understanding of the suggested actions, please notify the contact listed in the enclosure to the circular.
Sincerely, I
.[ e.
James P. O' Reil Director
Enclosures:
1.
IE Circular No. 79-09 2.
Listing of IE Circulars Issued in Last Twelve Months 835 200 I
t 18
'907110 4
k
JUN 2 2 1979
.Georg a Power Company i ce v/ encl:
M. P:anry, Plant Manager Post Office Box 442 Baxley, Georgia 31513 C. E. Belflower Site QA Supervisor Post Office Box 442 E8xley, Georgia 31513 9
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i UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT k'ASHINGTON, 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 inforcred by mailgram (copy enclosed) from the National Institute of Occuraticnal Safety and Health (NIOSH) of the high rate of regulator diaphragm failurcs in the Scott Air Pak II/ IIA and Presur-Pak II/ IIA self-contained breathing apparatus. The failures, ranging f rom pin holes in the diaphragm to complete diaphragm rupture, have been identified in about 10 percent of the unite 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 inss of protection) in the Pressure Demand-Mode.
Notice to Licensees:
Many major licensees use the types of Scott apparatue described above. Users of the devices should take the following actioni 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 Ci:cular is required.
If you require additional information regarding this subject, please contact the individual specified in the enclosed mailgram.
Enclosure:
Mat 1 gram 836 202 yyn.pn.,,
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