ML19273B856
| ML19273B856 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 05/30/1979 |
| From: | Engelken R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | Goodwin C PORTLAND GENERAL ELECTRIC CO. |
| References | |
| NUDOCS 7906180365 | |
| Download: ML19273B856 (1) | |
Text
spe HFGy, UNITED STATES 8, y ),'c
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7, NUCLEAR REGULATORY COMMISSION g
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=,,,e WALNUT CREE K CAllFORNIA 94596 flay 30,1979 Docket flo. 50-344 Portland General Electric Company 121 S. W. Salmon Street Portland, Oregon 97204 Attention:
tir. Charles Goodwin Assistant Vice President Gentlemen:
In accordance with our letter dated April 1,1979 transmitting Bulletin 79-05, we are enclosing Preliminary Notification 79-67AQ.
Sincerely, Oy/
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Il){I(ken,[or/
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1 rector
Enclosure:
PNO-79-67AQ cc w/ enclosure:
B. Withers, PGE F. Gaidos, PGE k.
7906180 $ 5 ]
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IMMEDIATE
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PRELIMINARY NOTIFICATION Hay 29, 1979 PREt,lMINARY NOTIFICATION OF AN EVENT OR UNUSUAL OCCURRENCE -- PNO-79-67AQ f
This preliminary notification provides updated information of safety or public interest significance.
Facility: Three Mile Island Unit 2 Middletown, Pennsylvania (DN 50-320)
Subject:
NUCLEAR INCIDENT AT THREE MILE ISLAND Operational:
1.
The average coolant temperature is 158 degrees F and being maintained around that temperature by natural circulation.
Pressure is stant 450 psi with the pressurizer in solid operation.
Steam is being admitted to the main condenser through the turbine bypass valve from the A Steam Generator.
The highest incore temperature reading is 291'F.
2.
Water level in the reactor building is being measured daily, and was 6.8 feet above floor level this morning.
The lowest decay heat system motor-operated valve (DH-V2) in the reactor building was opened on May 25 as a precautionary ceasure, due to increasing water level.
Secondary sources of water into the reactor building have since been isolated, including the fan coolers water supply, to reduce water in-leakage.
3.
Preoperational testing is in progress for the Spent Fuel Pool Tank Farm, Once-Through Steam Generator "B" Long-Term Cooling System, and the codified rad waste treatment system (EPICOR). The testing is scheduled for completion by June 1.
Environmental Status Environmental radiation levels continue to be consistent with natural background levels. A slight change in background level on May 24 and 25 was shown to be due to changing levels of naturahly occurring Rn-222 caused by a weather front moving through the area. Airborne releases have been below Technical Specification limits.
During the period May 21-28, approximately 35 air samples were collected by the NRC and all were less than MDA. Vegeta-tion and milk samples collected during this period also showed no activity above MDA. EPA air, water und milk samples collected during this past week up to May 24 showed no detectable activity from TMI.
The State of New Jersey reported that they detected no I-131 in any of the 83 milk samples they analyzed between March 29, 1979 and April 24, 1979.
These samples included milk from counties within 50 miles of Harrisburg, Pennsylvania and supplied to New Jersey consumers, the Salem, New Jersey area, and northern New Jersey farms, w
CONTINUED
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Continued May 29, 1979 Page 2 PNO-79-67AQ
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Analyses have been completed on samples of milk, water, soil, feed and grass collected at the Claire Hoover fann on May 20, 1979 (Reference PNO-79-67AP).
No reactor related radionuclides were detected by either the EPA or NRC.
Contact:
RCPaulus, IE x27246 DTh m,
, IE x28487 Distribution:
Transmitted H St % W Chairman Hendric Connissioner Bradford S. J. Chilk, SECY Containsioner Kennedy Commissioner Ahearne C. C. Kammerer, CA Cor.xaissioner Gilinsky ACRS (For Distribution)
Transmitted: MNBB3*.6[
P. Bldg /O[OO J. G. Davis, IE
/dlf9 fSO L. V. Gossick, EDO H. R. Deriton, NRR Region I
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H. L. Ornstein, EDO R. C. DeYoung, NRR Region II /whB J. J. Fouchard, PA R. J. Mattson, NER Region III O
N. H. Haller, MPA V. Stello, NRR Region IV
'ph R. G. Ryan, OSP R. S. Boyd, h3R Region V to i f Jo H. K. Shapar, ELD SS Bldg 4/!f5 (MAIL)
W. J. Dircks, NMSS J. J. Curraings, OIA S. Levine, RES R. Minogue, SD f
IE (TMI) Site 7/70 ' 80(ProvidecopytoSTATE)
C. Abraham, PA (Middletown - TMI-Inform. tion Center)
White House S,ituation Room R//7 o
FDAA /.*34 ffD (Provide copies to t e Administrator and the Operations Center)
EPA,L'90 r/m DOS /EOC _1:10 T/yb PEMA Ii@_iS/~76 BRP (State of PA) 1. % (ho DCPA 3.'l [
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HEW. Moo 99 Ifandcarry (FAA)
IlffEDIATE PRELIMINARY NOTIFICATION k
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