ML19242A506
| ML19242A506 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 07/10/1979 |
| From: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Mattimoe J SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| References | |
| NUDOCS 7908020534 | |
| Download: ML19242A506 (1) | |
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UNITED STATES Tj g
NUCLE AR REGULATORY COMMISSION y $ ';/ ]'c r
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1990 N. CAllrORNI A BOULEVARD so m
- 6; cf SUITE 202. WAl NUT CREE K PLAZ A W ALNUT CRE E K, CALIFORNI A 94596 July 10,1979 Docket No. 50-312 Sacramento Municipal Utility D.istrict P. O. Box 15830 Sacramento, California 95813 Attention: Mr. John J. Mattimoe Assistant General Manager Gen +,l emen :
In accordance with our letter dated April 1,1979 transmitting Bulletin 7f-05, we are enclosing Creliminary Notification 79-67AW.
Sincerely,
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3 R. H. Engelken Director Enclosure PNO-79-67AW cc o/ enclosure:
R. J. Rodriguez, SMUD L. G. Schwieger, SMUD s -
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DFEDIATE PRELIMIXARY NOTIFICMIC+l 4
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PRELTIINARY NOTIFICATION OF EVENT OR UhUSUAL OCCURRENCE--PNO-79-67-Em i.
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This ursliminarv notification provides undated information of safity or 3
coolic int.or-ist significnca.
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PACILITY: Thr$ Mile Island, Unit 2
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?, a Middletwn, P9nnsylvania (DN 50-320) 7 ;f ij c /,,~'y~'kN 1
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SteJECT:
UPDATED STATUS REPCRT qO W
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Average coolant taccaraturs is 165 degrees F.
The highast incors thorac +t couple terpersture indication is 270 degrees F.
Core flew is being providediby natural circulation.
Core cooling is being maintained by staaning the "A" l
Sta4a Ganarstor to the main condenser on the bypass valve.
Primry pr-ssure is about 275 psi.
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Daily seasur9%,ts of rwactor building ster level still indicata 7.0 i 4.5 L
fa.et above flece level.
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Functi nal testing of the Pressurs/ Volt.ne Control system has begun and ;
will continun throughout *he we k.
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Environmental radiation levels rewain consistent with natur,sl background levels.
Airborne releases rwain wel'l balov Tcchnical, Specification lireits.
From i
July 2 - July 8,1979, 23 air soeples, 2 milk scwples, 4 vegetation saxples Cnd 2 soil samles were collected by the NRC.
All analytical results mre less */.an HCA.
EPA air, watar, and :ailk seeples collected during the ws*k (ep to Julfi4) showed no detectabla activity fresa TMI.
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Centacj:
DThcenson IE, x28487 RPaulus IE, x27246
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Chairmr Hehdrie Comissfoner Bradford S. J. Chilk, SECY f
Ccm issioner Xannety Com issioner Ahearne C. C. Kamarsr, CA j
j Cccaissioner Gilinsky (For Distribution) r M
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Transmitted: MH88 L(,' 5~0 P. 81c9 x w; J. G. Davis, IE i,
L. V. Gossick, ECO nep3 H. R. Denten, HRR Rsgion I A 'rT*
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J. J. Fouchard, PA R. J. Mattson, NRR Regfon III.-A,.r ft. M. Hall +r, HPA V. Stallo, MR Ragion JV *-P. vT "
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