PNO-III-93-038, on 930701,licensee Discovered Highly Radioactive Object on Floor of upender-tilt Pit in Refueling Area of Containment.There Have Been No Radiation Overexposures as Result of Event

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PNO-III-93-038:on 930701,licensee Discovered Highly Radioactive Object on Floor of upender-tilt Pit in Refueling Area of Containment.There Have Been No Radiation Overexposures as Result of Event
ML20203G242
Person / Time
Site: Palisades Entergy icon.png
Issue date: 07/01/1993
From: Mccabe B, Shafer W
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
References
PNO-III-93-038, PNO-III-93-38, NUDOCS 9712180084
Download: ML20203G242 (1)


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D2 tot July 1, 1993 PRELIMINARY NOTIFICATION OF EVENT OR tJHUSUAL OCCURRENCE PH39338 This preliminary notification constitutes EARLY notico of events of POSSIBLE safety or public intorest significance. The information le as initially received without verification or evaluation, and is basically all that la known by the Region III staff on this date.

Facilitys Licensen Emeruency clasulficattQD g Consumers power Company General Emergency Palisades Huoloar Power station covert, Michigan

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,,, Unusual Event

Docket No. 50-255 LH/A f [ 'g' 4

subject HIGHLY RAD 10ACT.rVE OBJECT POUND IN REFUELING AREA On July 1, 1993, thu licannou discovered a highly radioactive object on thu floor of the upendor-tilt pil in the refueling area of the containment. Hefueling had boon comp.'-ted, the reactor head had boon placed on the vennel, and the ro.^1oling area was being decontaminated and drained at the time.

The object, which in about 6 faut long and 1/4 to 1/2 inch in diameter, has r.ot been identified. The radiation measurements on the object woru 6,000 to 8.000 remn por hour at contact and 200 rama per hour at a distanca cf i foot. It la currently covered with several foot of water and radiation levelse are slightly olevated above normal background *f@/els. There have boon no

, radiation overexposurns as a result of this event.

A conference call was conducted betwoon the HRc and the liconsee at i p.m. (EDT) on July 1, 1993, to discuna the facts surrounding the event. Daned on the maasured radiation levelo and initial review of video taken of the uponder-tilt pit area, the licensco believes that the object may be a portion of a fuol rod. llowever, more investigative uffort.s are necessary before that annonoment can be confirmnd. The licunsee has temporarily stopped all activition associatud with roactor head installation and in the upont fuel pool to focus on tho identirication and recovery of the object. The licenses will review its recovery plans with the NRC ,

beforo beginning recovery of the objoot. I Thn ramident inspection staff in monitoring the licensee's activitinu. A Region III (Chicago) radiation specialist has boon dinpatched to the Palisades cito.

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  • The State of Michigan will bo notified. The information in this pro 11minary notification has hoon reviewed with the licennoo.

nogion III was notified of this event by the ronident inspection staff at 7:4o a.m. (EDT) on July 1, 1993. This information is current as of 2130 p.m. (EDT) on July 1, 1993.

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