ML19261E817
| ML19261E817 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 08/30/1979 |
| From: | Flack E, Higginbotham L, Sniezek J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PNO-79-375A, NUDOCS 7910110633 | |
| Download: ML19261E817 (1) | |
Text
PRELIMINARY NOTIFICATION August 30, 1979 V
PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNG-79-375A This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest sicnificance.
The information presented is as initially received without verification or evaluation and is basically all tnat is known by IE staff on this date.
Facility:. Metropolitan Edison. Company
-Three Mile Island, Unit 2 Middletown, Pennsylvania (DN 50-320)
Subject:
EXPOSURES OF SIX WORKERS TO RADIATION IN EXCE5S 0F NRC LIMITS Six workers involved in repairing two valves located in the Fuel Handling Building which were leaking primary coolant on the morning of August 28, 1979 (See PND-79-375), may have been exposed to radiation in excess of the limits specified in 10 CFR 20.101.
The licensee's preliminary dosimetry results evaluated on August 29, indicate that the individuals' exposures to beta radiation may have been as high as 50 rads to the skin of the whole body; and between 40 and 150 rads to.the extremities, as measured by the TLD dosimetry cevices worn by the workers.
NRC regulations permit exposure up to 7.5 rems for skin of the whole body and 18.75 rems to an individual's extremities per calendar quarter.
Exposures to the hands of the workers are presently being evaluated by the licensee's dosimetry service.
It is expected that these evaluations will be completed on August 30, 1979.
Tne licensee has informed the workers of the preliminary dosimetry results, and is conducting an investigation of the incident.
A medical consultant has been contacted by the licensee.
The NRC Resident Office on-site was first informed of this event on August 29 at 1730 hours0.02 days <br />0.481 hours <br />0.00286 weeks <br />6.58265e-4 months <br />, following the licensee's preliminary evaluation of scme of the dosimetry devices worn by the workers.
NRC, Region I, (Philadelphia) received netification of this occurrence by telephone from the NRC Resident Office on-site at 1740 hours0.0201 days <br />0.483 hours <br />0.00288 weeks <br />6.6207e-4 months <br /> on August 29, 1979.
Meaia igterest is expected because of the public sensitivity to activities at Inree Mile Island.
The Commonwealth of Pennsylvania was informed at 2220 ccurs on August 29, 1979.
A press release was issued on August 29 by the licensee.
The NRC Resident Office staff on site are following up on further aevelopments and exposure evaluations.
Ccntact:
EDFlack, IE x28019 LBHigginbotham, IE x28019 JHSnie:ek, IE x25098 Iis ribution:
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