ML19242A503

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Forwards PNO-79-67AW
ML19242A503
Person / Time
Site: Trojan File:Portland General Electric icon.png
Issue date: 07/10/1979
From: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To: Goodwin C
PORTLAND GENERAL ELECTRIC CO.
References
NUDOCS 7908020529
Download: ML19242A503 (1)


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UNITED STATES l

ET NUCLEAR REGULATORY COMMISSION 7;

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E REGION V o'[rits, E

1990 N. C AllFORNI A COULEVARD gh SUITE 202, WALNUT CREEK PLAZA e

o e,,,e WALNUT CitEEK, CALIFORNI A 94S96 July 10,1979 Docket ilo. 50-344 Portland General Electric Company 121 S. W. Salmon Street Portland, Oregon 97204 Attention: Mr. Charles Goodwin Assistant ' lice President Gen cl e:r,en :

In accordance with cur letter dated April 1,1979 transmitting Bulletin 79-05, we are enclosing Preliminary i;otification 79-67AW.

Sincerely,

/; f / 9, yc c L R. H. Engelken Cirector Enclosure P:10-79-67AW cc w/ enclosure:

B. Withers, PGE F. Gaidos, PGE 460 U17

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INEDIATE PRELIMIMRY NOTIFICMION i.

PRELIMINARY WTIF.' 'ATIcN OF EVENT OR UNUstill OCCUARENCE--PNO-79 il y

This orslininary notification orovidas updated informatic, of safsty or 3_Q puolic int.orast Gicnificacca.

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FACILITY:

Thrw Mile Island, Unit 2 R '[;v ^ '.,%5 ?

Middleton, Psnnsylvania (DN 50-320)

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SUBJECT:

tJPJATED STATUS REPOJtT r

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Averaqa cuolant taparaturs is 165 dagrees F.

The highest incors ther w couple terperature indication is 270 dagroe3 F.

Corn ficw is being provid4d[by natural circul ation.

Core cooling is biting uaintained by st antir>:; the "A" Stam Canarstar to the.sain condenser on the bypaas valve.

Printry pressure is about 275 psi.

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Daily 2:easurmonts of rsactor building water level still indicata 7.0 i h.5 in*t above floor level.

t 1 Functienal testing of the Pressurs/Volu>e Control syste.a has begun a,d will continue throughout the wek.

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Environ,= ental adiation levels remain consistant with natural background ley 915.

Airborne releases rs.>ain well belev Technical Specification limits.

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July 2 - July 8,1979, 23 sir suples. 2 nilk supiss, 4 vcCatation samples gnd 2 so'l smples were collected by the NRC.

All analytical ra3ults era less thm MOA.

EPA air, watar, and :ailk sagles collected during the wwk (ep to Julyi4) showed no detectable activity frcss TMI.

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Contact:

DThomson IE, x28487 RPaulus IE, x27246 J

0.YOf Distribution:

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'"4!y*fjjjjj 1 Chair:::an Hendrie ccavaission9r Bradford S. J. Chilk, SECY

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Ccealssionar Gilinsky (For Distribution)

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