ML20248H818
| ML20248H818 | |
| Person / Time | |
|---|---|
| Site: | Kewaunee  |
| Issue date: | 05/04/1978 |
| From: | Liza Cunningham, Higginbotham L NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| IEC-76-03, IEC-76-3, PNO-78-101, NUDOCS 9806080260 | |
| Download: ML20248H818 (1) | |
Text
L hdMR y$D(Du
/-
\\
(W
! kY
/.[...
v PRELIMINARY NOTIFICATION 3M
)
May 4,1978 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-78-101
_This preliminary notification constitutes EARLY notice of an event of
_POSSIBLE safety 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:
Wisconsin Public Service Corporation, Kewaunee (DN 50-305) Kewaunee, WI
Subject:
PERSONAL RADIATION EXPOSURE IN REACTOR CAVITY l
At 3:00 a.m. on May 2,1978, an unplanned radiation exposure occurred when a shift supervisor briefly entered the reactor cavity during a refueling outage to look for leakage from the refueling cavity.
The individual did not carry a survey instrument during the entry, nor were adequate radiation surveys made beforehand.
Initial evaluation by the licensee (based on the TLD worn by the individual) indicates a dose of 2.8 rems. Radiation levels rates up to 2100 rems per' hour were sn measured in the cavity after the individual's exit.
NRC inspectors are j
currently investigating the circums,tances surrounding this event.
t On September 19, 1976, IE Circular No. 76-03 was sent to all reactor licensees in an effort to prevent this type of incident (similar events were experienced at Point Beach, Zion, and Indian Point).
t No press release has been made by the licensee nor Region III.
The State of Wisconsin has been informed.
RIII (Chicago) inspectors were informed of the incident when they arrived onsite to conduct a routine inspection. The above reflects information as of 9:00 a.m. on May 4,1978.
Contact:
LJCunningham, IE x28188 LBHigginbotham, IE x28098 Distribution:
Transmitted H St /lY Y tTiairman Hendrie Commission ~er Bradford Coranissioner Kennedy S. J. Chilk, SECY C. C. Kammerer, CA Commissioner Gilinsky (For Distribution)
Transmitted:
MNBB fi4[
P Bldg /! V 2 E. Volgenau, IE L. V. Gossick, EDO E. G. Case, NRR S. H. Hanauer, EDO Region K d J. J. fouchard, PA SSBldghYf (MAIL)
N. M. HA ler, MPA C. V. Smith, NMSS T. J. McTiernan, 01A R. G. Ryan, OSP R. Minogue, SD H. K. Shapar, ELD PRELIMINARY NOTIFICATION b