ML19338F680

PNO-TMI-80-047:on 801016,third Entry Into Reactor Bldg by Three Health Physics Technicians & Two Maint Men.Max Exposure Less than 500 Mrems.Radiological Surveys Performed & Photographs Taken at 305 & 347 Ft Elevations

ML19338F680
Person / Time
Site:	Crane
Issue date:	10/16/1980
From:	Ronald Bellamy, Jay Collins, Kalman G Office of Nuclear Reactor Regulation
To:
References
PNO-TMI-80-047, PNO-TMI-80-47, NUDOCS 8010270046
Download: ML19338F680 (2)

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$P'RELIMINAR'! NOTIFICATION' Y

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• IPRELIMINARY NOTIFICATION OF. EVENT 0R. UNUSUAL ^ OCCURREN

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fThis"orh11minary notification constitutues EARLY notice of ? events' of-POSSIBLE safety J,

lor publ' c iaterest significance. :The infonnation cresented is as initially received-

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eiticut verification or evaluation and is basically all that is known-by NRC staff d

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Facility:fMetropolitanEdisonCompany.-

Three. Mile Island, Unit 2--

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Docket Number. 50-320 a

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Subject:

t THIRD ENTRYi!NTO.THE: UNIT:2 REACTOR BUIL' DING -

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The third entry into the Unit 2 reactor building was completed at'11:54 a.m. on

' October 16, <1980. The. entry team of 3 health physics 1 technicians and 2. maintenance

men remained inithe reactor. building for up to 87 minutes.

The maximum exposure,

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basedeon dosimeter readings, was less than 500 mri M

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The' maintenance. personnel were. successful in removing the preamplifiers' for an n

l inoperable source range qeutron. monitor and ~a noise monitor.

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. pressure interlocks on -the* equipment: hatch personnel airlock were reset..The L305' and 347' elevations.

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. health physics-technicians' performed radiological surveys-and photographed the-

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The 'next reactor' building entry is. tentatively scheduled forL November.

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adia' interest has occurred because of licensee issuance of a press release..The 7'

t.onnonwealth of Pennsylvania has been infonned. The NRC has not made plans--to P

issue a press release ~at' this. time.-

A-This preliminary notification is issued for information only and no further action 1

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by the' NRC_-isfanticipated.

JThe NRC TMI Program Office received notification of this occurrence by monitoring

• events as theyLoc and this information.was current.as of 1:00 P.M.

today.

Kalmarr O u-1136

'R iE any 590-1138 o1 90-1121

-Contact:.

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, DistHbution:

-(Facsimile Transmis'sion Times Noted)

', 7H-St.81dg T.N Chairman-Ahearn C Conuissioner Bradford.

S. J. Chilk, SECY Commissioner.Gilinsky' Commissioner Hendrie C. C. Kammerer,'CA ACRS (For Distribution) 1,.

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