ML20003E645
| ML20003E645 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 03/31/1981 |
| From: | Cowgill C, Keimig R, Mccabe E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| References | |
| PNO-I-81-041, PNO-I-81-41, NUDOCS 8104070483 | |
| Download: ML20003E645 (1) | |
Text
PRELIMINARY NOTIFICATICN CCS No. 50277-810331 Date: March 31, 1981 i
PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL CCCURRENCE--PNO-I 41 This oreliminary notification constitutes EARLY notice of events of POSSIBLE safety or oublic interest sionificance.
The information Dresented is as initially received without verification or evaluation and is basically all tnat is known by IE staff on this date.
Facility:
Philadelphia Electric Company Peach Bottom linit 2 (DN 50-2/7)
Delta, Pennsyivania 17314
Subject:
UNPLANNED RADI0 ACTIVE LIQUID RELEASE (WITHIN LIMITS)
Frem6pI.~ March 30, 1981 to il a.m. March 31, 1981 an improper lineup for
" feed and oleed" of tne Drywell Chiiled Water (DCw) System resuitea in discharge of water contaminated with Na-25, I-133, and Cr-Si(to three times the Maximum Permissible Concentration)to the Turbine Building Floor Orains.
About 500 galions containing 150 microcuries of act1vity were released.
These floor drains empty into the ::irculating water disenarge basin, wnere dilution oy one million gpm circulating water flow (estimated dilution factor of two million) occurs prior to release to the Susquehanna River, oropping tne concentration well below release liraits.
Tne " feed and bleed" operation was being conoucted cecause of slight contamination of the normally-nonradioactive DCW system.
Licensee investigation and hRC resident inspector followup are continuing.
Media interest is possible.
The Comonwealth of Pennsylvania and EFA: Region III have been informed. A press release is being considered by the licensee.
The NRC does not plan a press release; media inquiries will be answered.
The NRC was informed by ENS call at 12:15 p.m., Maren 31, 1981.
tRC Region I received notification of this occurrence by telephone from the resident inspector at 12:20 p.m. March 31, 1981.
Contact:
Cowgill 592-2381 McCabe 488-1251 Keimig 488-1252 e,
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PRELIMINARY NOTIFICATION Region-I Form 83a-(Rev. January 1981)
PNO-I-81-41 2
OISTRIBUTION: (Facsimile Transmission Times Noted)
H ST BLDG Y,'M7 MARYLAND NATICMAL IE:TAS 9 '
Chairman Hendrie BANK BUILDING M.'o d NRC/TMIProgram//
Office 9 /a t - +'
Commissioner Gilinsky W. J. Dircks, E00 Commissioner Bradford C. Michelson, AE00 Commissioner Ahearne J. J. Fouchard, PA Region II f.23-Y/
ACRS N. M. Haller, MPA Region III f:.:7f.
f S. J. Chilk, SECY G. W. Kerr, OSP Region IV r. /4 -
f C. C. Kammerer, CA H. K. Shapar, ELD Region V ri ff-WILLSTE BLOG 4.'/ '7 RI Resident Sites J. G. Davis, NMSS gut di/
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PHILLIPS BLOG ///#9--Y/
R. B. Minogue, RES
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H. R. Denton, NRR R. H. Vollmer, NRR LANCCW BLOG (Fax by HQ)
(MAIL)
T. E. Murley, NRR (6 MIN /PAGE)
R. G. Smith, 50 D. F. Ross, NRR J. J. Cummings, IE:TAS NDocumentMgt.Br.
D. Eisenhut, NRR S. H. Hanauer. NRR S. Ebbin, NSOC
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