ML19317H440
| ML19317H440 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 05/16/1980 |
| From: | Collins O, Fasano A, Kalman G Office of Nuclear Reactor Regulation |
| To: | |
| References | |
| PNO-TMI-80-029, PNO-TMI-80-29, NUDOCS 8006060197 | |
| Download: ML19317H440 (1) | |
Text
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PRLLIMitM iiUl ti ACAIION May 16.1980 PRLLIMINARY NUllflCAT10N Of EVENT OR UNUSUAL CONCURRENCL--PNO-TM1-80-29 This preliminary notificat. ion constitutes FARI Y notice of events of POSSIBLI. c.ately or p_ublic interest significance.
the in'tonndinn presented is as initially received with'out, vc'rificatio'nTr evaluation and is basically all that is kno by NRC staff, on this date_._
iacility: Metropolitan Edison Company Three Mile Island. Unit 2 THIS DOCUMENT CONTAlNS Middletown, Pennsylvania Docket Nun ber 50-320 POOR QUAUTY PAGES Subjtet: UNIT II REACTOR BUILDING ENTRY Th2 liccusce plans to make the first. ent.ry into the Unit II reacLor building (RB) at 5:30 p.in. on Tuesday, May 20, 1980.
In preparation for the entry. the RB personnel airlock will be purged begirning at 8:00 a.m. on Monday, May 19, 1980, it is estimated that the airlock purge will release less than 10 millicuries of krypton 85 to the environment.
Approximately 25 curies of krypton 85 will be released to the environment when the entr,-
saam laavat tha DR anti avils thronoh the outer do e af fh Iv.nnnnai airinelt Fach of the two nenbers of the entry team is expected to receive a maximum of.one Rem total body expos.,re.
The scenerio of the planned entry 15 esseni'.ially the sante as that of the original entry wr.ict was postponed when the National institute of Occupational Safety and Heali.h (h10Sil) withdrew the certification for the breathing apparatus which was to be used by the entry team.
lhe licensec subsequently decided to use the Mine Safety Appliances Company (MSA) breathing apparatus. The MSA breathing units hve a 30 i:iinute service lite.
10 provide a safety margin. t.he licensce decreased the duration ci the planned entry i.o Ib minutes.
HRC TMI Program 0f fice personnel will monitor the entry activities and the resultant radioactive releases to the environment.
Mectia Interest is expected.
The Cournonwealth of Pennsylvania has been notified. A press release has been made by the licensee.
the NRC is planning to issue a press release.
This preliminary notification is issued for infonnation only and the intunnation is current as of 1:00 p.m., today.
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contac,t:
G. Ka,lman 590-3996
_A,. Fala_no' 590-3950 J. Collins 590,-p955
> ht_ribution:
(Facsimile Transmission Times Noted)
H St Bldg Chainnan Ahearne Cou1missioner Bradford S. J. Chilk SFCY Conraissioner Kennedy Consnissioner Hendrie C. C. Kammerer, CA Comissioner Gilinsky ACR5 (Ior Distribution)
IM Bldg,
P. Bldg.
IE:X005 (it:lI0 Uist.)
W. J. Dircks. ED0 H. R. Denton, NRR C. Michelson, AEDO D. R. Muller, NRK l
J. J. Fouchard, PA R. il. Mattson, NRR Iandow Lild9 (Fax hy hQ)
N. H. Haller, MPA U. Vassallo, NRR (6 min /page)
R.'G. Ryan, OSP U. Lisenhut, NRR J. J. Cummings. DIA H. K. Shaper
't.D R. H. Vollmer, NRR B. J. Snyder, NMR i
l l
l 8006060g7
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