ML19270H411
| ML19270H411 | |
| Person / Time | |
|---|---|
| Site: | Fort Calhoun  |
| Issue date: | 06/27/1979 |
| From: | Madsen G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Short T OMAHA PUBLIC POWER DISTRICT |
| References | |
| NUDOCS 7907130327 | |
| Download: ML19270H411 (1) | |
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ARLINGTON, TEXAS 76012 June 27, 1979 Docket No. 50-285 Omaha Public Power District ATTN:
T. E. Short, Assistant General Manager 1623 Harney Street Omaha, Nebraska 68102 Gentlemen:
In accordance with Mr. Seyfrit's transmittal letter of April 9,1979, the enclosed Preliminary Notification (s) relating to the Nuclear Incident at Three Mile Island is forwarded for your information.
Sincerely,
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yh$ No W G. L. Madsen, Chief Reactor Operations and Nuclear Support Branch
Enclosure:
1.
PNO-79-67AU cc w/ enclosure:
R. L. Andrews, Manager Fort Calhoun Station P. O. Box 98 Fort Calhoun, Nebraska 68102
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IlffEDIATE PRELIMINARY NOTIFICATION June 26, 1979 PRELIMINARY NOTIFICATION 07 AN EVENT OR UNUSUAL OCCURRENCE -- PNO-79-67AU This preliminary notification _orovides updated inforation of safety or public incerast significance.
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 bighest incore t.hermocouple temperature indication la 267 degrees 'r'.
Core flow is being provided by natural circulation. Core cooling is being maintained by steaming the "A" Steam Generator to the crain condenser on the bypass valve. Primary pressure is about 325 pai.
The licensee plans to slowly decrease pressure to about 250 psi.
2.
Daily measurecents of reactor building water level still indicate 7.010.5 feet above floo,r,1,3 vel.
3.
The Pressure-Volume control system is nearing cocapletion. Completion and te sting of systems continues to progress slowly, with procurement prchlems and system changes being significant contributors.
Envirocrental Status:
Environmental r-hation levels remain consistent with natural background levels. Airbe'.ne releases have been below Technical Specification limits.
From June 18-24, 35 air samples, 2 milk saciples, 4 vegetation saeples and 2 soil saeples were collected by the NRC. All analytical results were less than crinimum detectable activity (MDA). EPA air, wacer and milk samples collecced during th: week (up to June 22) shewed to detectable activity frots TMI.
CONTINUED bbh
r Continued PHO-79-67AU Page 2 June 26,1979
Contact:
RCPaulus, IE x27246 DThompson, IE x22487 Distribution:
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Chairman Hendrie Comissioner Bradford S. J. Chilk, SECT Ceartissioner Kennedy Coccissioaer Ahearne C. C. Kat. sera r, CA Comissioner Gilinsky ACRS (For Distribution) tes(
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N. M. Haller, MPA D. Vassallo, NRR (MAIL)
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