ML19256C766
| ML19256C766 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry, Zion  |
| Issue date: | 03/26/1979 |
| From: | Bryan S, Klinger G, Nolan F NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PNO-79-063, PNO-79-63, NUDOCS 7910120443 | |
| Download: ML19256C766 (1) | |
Text
.
h PRELIMINARY NOTIFICATION D
March 26, 1979 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-79-63 This preliminary. notification constitutes EARLY noti _ce of an event of POSS_IBLE safe'cy or public interest significance.
The information presented is as initially received without verification or evaluation and is basically all that is known by IE staff on this date.
Facility:
Comonwealth Edison Company
~
Zion Nuclear Power Station Units 1 and 2 (DNs 50-296 and 50-304)
Subject:
NEWS MEDIA INTEREST IN SPENT FUEL P0OL LEAKAGE Pollution and Environmental Problems (PEP), a Chicago-areat environmental group, issued a news announcement on March 26, 1979, concerning leakage from the spent fuel pool at the Zion Nuclear Power Station, operated by Commonwealth Edison Company.. The news announcement was critical of the NRC Staff for its lack of concern wit.h the leakage.
The sper:t fuel pool has a stainless steel liner surrounded by reinforced concrete walls which are 4 'eet thick.
Minor leakage through the stainless Before it steel liner has occurred since the pool was placed into service.
was placed into service it was filled and drained twice to repair pinhole leaks in welds which were identified at the time.
The leakage has averaged It is collected about 3 quarts per hour and has been gradually decreasing.
in a drain system within the reinforcement concrete pool and processed in There is no leakage from the plant's radioactive waste treatment system.
the pool itself and no releases to the environment are involved.
Inspectors from Region III (Chicago) routinely check on spent fuel pool Because operating experience, including the leakage through the liner.
the amount of leakage is small and because it is collected and processed in the radwaste system, the matter is not considered serious enough to require corrective action by the licensee.
Region III will continue to review the leakage problem.
There has been considerable Chicago area news media interest in this mattar.
The State of Illinois has been notified.
G. Klingler, IE x28019; F. Nolan, IE x28019; S. Bryan, IE x28019
Contact:
Distribution:
Transmitted H St Chairman Hendrie Commissioner Bradford S. J. Chilk, SECY Commissioner Kennedy Commissioner Anearne C. C. Kammerer, CA (For Distribution)
Commissioner Gilinsky.
Transmitted:
MNBB it c:
P Bldg m.
J. G. Davis, IE L. V. Gossick, ED0 H. R. Denton, NRR Region n'
-4 H. L. Ornstein, ED0 R. C. DeYoung, NRR J. J. Fouchard, PA R. J. Mattson, NRR N. M. Haller, MPA V. Stello, NRR (MAIL)
J. J. Cummi mp, 0I A (SSBldgIb.NRR R. S. Boyd R. G. Ryan, OSP O
R. Minogue, SD H. K. Shapar, ELD W. J. Dircks, NMSS 1452 339 7910120 g g j
PRELIMINARY NOTIFICATION