ML19246A485
| ML19246A485 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 06/11/1979 |
| From: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Mattimoe J SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| References | |
| NUDOCS 7907030198 | |
| Download: ML19246A485 (1) | |
Text
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NUCLEAR REGULATORY COMMISSION REGION V I
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SulTC 202, WALNUT CRE E K PLAZA WALNUT CHEEK, CAllFORNIA 94595 June 11, 1979 Docket flo. 50-312 Sacramento Municipal Utility District P. O. Box 15830 Sacramento, California 95813 Attention: Mr. John J. Mattimoe Assistant General Manager Gentlemen:
In accordance with our letter dated April 1,1979 transmitting Bullecin 79-05, we are enclosing Preliminary flotification 79-67AS.
Sincerely, A'll Wh.QEp irec or
Enclosure:
PtiO-79-67AS cc w/ enclosure:
R. J. Rodriguez, SMUD L. G. Schwieger, SMUD 273 253 7907 0sopyg
N IMMEDIATE PRELIMINARY NOT[FICATION June 11, 1979 PRELIMINARY NOTIFICATION OF AN EVENT OR UNUSUAL OCClTRRENCE -- FNO-79-67AS This preliminary notification provides undated information of sa fety or public interes t sienificance.
F_a_cility: Three Mile Island Unit 2 Middletown, Pennsylvania (DN-50-320)
Subject:
NUCLEAR INCIDENT AT TEREE MILE ISLAND Operational:
1.
The average coolant temperature is 157 degrees F.
The highest incore thermocouple temperature reading is 280 degrees F.
Core cooling is being maintained by natural circulation.
Pressure is about 340 psi with the pressurizer in solid operation.
Steam is being admitted to the main con-denser through the turbine bypass valve from the A Steam Generator.
2.
Vater level in the react,r building is being measured daily, and is 7.3 feet above floor level this corning.
3.
Preoperational testing for the Spent Fuel Pool Tank Fann, Once-Through Steam Generator "B" Long-Term Cooling System, the modified rad waste
,j treatment syste:u (EPICOR), and the pressure /volu.ne control system should be completed by June 15.
Enviroca ntal Status:
Environmental radiation levels reraain consistent with natural background levels.
Airborne releases have been below Technical Specification limits. From June 5 -
June 10, about 37 air samples were collected by the NRC.
All were less than MDA.
Vegetation, soil and milk samples collected last week also showed no activity above MDA. EPA air, water and milk samples collected during the week (up to June 8) showed no detectable activity from TMI.
CONTLWED s
DUPLICATE DOCUMENT 2,73 254 Entire document previously entered into system under:
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