ML19261E314
| ML19261E314 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 06/26/1979 |
| From: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Mattimoe J SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| References | |
| NUDOCS 7907050541 | |
| Download: ML19261E314 (1) | |
Text
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,,e WALNUT CREE K, CALIFORNIA 94596 June 26, 1979 Docket tio. 50-312 Sacramento Municipal Utility District P. O. Box 15830 Sacramento, California 95813 Attention: Mr. John J. flattimoe Assistant General Manager Gentlemen:
In accordance with our letter dated April 1,1979 transmitting Bulletin 79-05, we are enclosing Preliminary flotification 79-67AU.
Sincerely, j,
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R. H. Engelken Director
Enclosure:
PNO-79-67AU cc w/ enclosure:
R. J. Rodriguez, SMUD L. G. Schwieger, SMUD mo 7 9 0 7 03 osy t
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IMMEDIATE PREI,IMINARY L'OTIFICATION June 26, 1979 PPILIMINARY NOTIFA\\ TION OF AN EVENT OR UNUSUAL OCCURRENCE -- PNO-79-67AU This preliminary actification provides updated information of safety or public interest si nificance.
2 F_acility: Three Mile Island Unit 2 Middletnwn, Pennsylvania (DN-50-320)
Subject:
UPDATED STATUS REPORT Ocerational:
1.
Average coolant temperature is 154 degrees F.
The highest incore thermocouple temperature indication is 267 degrees F.
Core flow i.4 being provided by natural circulation.
Core cooling is being mintained by steaming the "A" Steam Cenerator to the main condenser on the bypass valve.
Primary pressure in 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 co:npletion.
Completion nnd test ing of systems continues to progress slowly, with procurement probletas and systea changes being significant contributors.
Enviroc. mental Status:
Ecvironmental radiation levels remain consistent with natural background levels. Airborne releases have been below Technical Specification liaits.
From June 18-24, 35 air camples, 2 milk samples, 4 vegetation samples and 2 noil camples were collected by the NRC. All analytical results were less than minimum detectable activity (MDA).
EPA air, water and railk samples collected during the week (up to June 22) shc+ed no detectable activity f rom THI.
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