ML19261E308
| ML19261E308 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 06/26/1979 |
| From: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Goodwin C PORTLAND GENERAL ELECTRIC CO. |
| References | |
| NUDOCS 7907050533 | |
| Download: ML19261E308 (1) | |
Text
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NUCLE AR REGULATORY COMMISSION g
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1990 N. CAllFORNI A ROULEVARD
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SUITE 202, WALNUT CRE EK PLAZ A WALNUT CREEK, CAllFORNI A 94596 June 26, 1979 I
Docket flo. 50-344 Portland General Electric Company 121 S. W. Salmon Street Portland, Oregon 97204 Attention: Mr. Charles Goodwin Assistant Vice President Gentlemen:
In accordance with our letter dated April 1,1979 transmitting Bulletin 79-05, we are enclosing Preliminary Notification 79-67AU.
Sincerely, 2,
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R. H. Engelken Director
Enclosure:
PNO-79-67AU cc w/ enclosure:
B. Withers, PGE F. Gaidos, PGE 292 v,)
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i IMMEDIATE PREI,IMINARY NOTIFICATION June 26, 1979 PRELIMINARY NOTIFICATION OF AN EVENT OR UNUSUAL OCCLTtRENCE -- PNO-79-67AU This preliminary notification provides updated informatig of safety or public interest si nificance.
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_ Facility: Three Mile Island Unit 2 Middletown, Pennsylvania (DN-50-320)
Subject:
UPDATED STATUS REPORT Operational:
1.
Average coolant temperature is 154 degrees F.
The highest incore thermocouple temperature inoication is 267 degrees F.
Core flow is being provided by natural circulation.
Core cooling is being maintained by steaming the "A" Steam Generator to the main condenser on the bypass valve.
Pri: nary pressure is about 325 psi.
The licensee plans to slowly decrease pressure to about 250 pai.
2.
Daily measurements of reactor building water level still indicate 7.010.5 feet above floor level.
3.
The Pressure-Volume Control system is nearing completion.
Completion and testing of rystems continues to progress slowly, with procurement problems and syste aanges being significant contributors.
Envirocmental Status:
Environmental radiation levels remain consistent with natural background levels. Airborne releases have been below Technical Specification li:aits.
From June 18-24, 35 air samples, 2 milk samples, 4 vegetation camples and 2 noil sa: ples were collected by the NRC.
All analytical results were less than minimum detactable activity (MDA).
EPA air, water and milk samples collected during the week (up to June 22) showed no detectable activity fro.n TMI.
CONTIN
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