ML20004F511
| ML20004F511 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde, Columbia, Diablo Canyon, San Onofre, Humboldt Bay, Rancho Seco, Washington Public Power Supply System, Satsop, Trojan |
| Issue date: | 04/09/1981 |
| From: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| Shared Package | |
| ML20004F512 | List: |
| References | |
| IEB-81-02, IEB-81-2, NUDOCS 8106180500 | |
| Download: ML20004F511 (1) | |
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UNITED ST ATES NUCLEAR REGULATORY COMMISSION co o
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REGION V Cb O,
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1990 N. CALIFORNIA BOULEVARD g
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- WALNUT CREEK. CALIFORNIA M806 April 9, 1981 Jg/ lpg 3 0ISgfg, -i; fi,
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D** f MEMO TO: ALL THOSE ON IE BULLETIN DISTRIBUTION LIST FROM:
IE - REGION V
SUBJECT:
IE BULLETIN NO. 81 FAILURE OF GATE TYPE VALVES TO CLOSE AGAINST DIFFERENTIAL PRESSURE t
The cttached IE Bulletin No. 81-02 was issued this date to the following licensees:
1.
Arizona Public Servic? Company (Palo Verde 1, 2 & 3 Docket Nos. 50-528, j
50-529 & 50-530).
2.
Pacific Gas & Electric Company (Humboldt Bay Unit 3 Diablo Canyon Units 1 & 2 Docket Nes. 50-133, 50-275 & 50-323).
t 3.
Porticnd General Electric Company (Trojan. Docket No. 50-344).
i 4.
Sacramento Municipal Utility District (Rancho Seco, Docket No. 50-312).
5.
Southern California Edison Company (San Onofre Units 1, 2 & 3, Docket Nos. 50-206, 50-361 & 50-362).
6.
Washington Public Power Supply System (WNP-1, WNP-2, WNP-3, WNP-4 & WNP-5, Docket Nos. 50-397, 50-460, 50-508, 50-509 & 50-513).
Region V has made distribution to the Accessions Unit for the PDR, LPDR, NSIC, i
TIC and Central Files.
Enclosures:
1.
Transmittal Lette:-
s 2.
IE Belletin No. 81-02 w/ attachments I
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8106180 3 i
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