ML19224C627

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Forwards PNO-79-67AS, Nuclear Incident at Tmi
ML19224C627
Person / Time
Site: 05000481
Issue date: 06/13/1979
From: Seidle W
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To: Koester G
KANSAS GAS & ELECTRIC CO.
References
NUDOCS 7907050573
Download: ML19224C627 (1)


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NUCLEAR REGULATORY COMMISSION

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REGION IV f%

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611 RYAN PLAZA DRIVE, SU'(E 1000

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ARLINGTON, TEXAS 76012

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June 13,1979 Docket No. STN 50-482 Kansas Gas and Electric Cc=pany ATTN:

Mr. Glenn L. Koester Vice President-Operations Post Office Box 208 Wichita, Kansas 67201

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Gentle =en:

Enclosed is supple =ent As to Preliminary Notification PNO-79-67, " Nuclear Incident at Three Mile Island," dated June 11, 1979.

Should you have any questions regaraing this review, please contact this office.

Sincerely,

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W.

L. S ewJ.e, Chief Reactor Cg)tstruction and Engineering Support Branch

Enclosure:

PNO-79-67AS cc: w/ enclosure Messrs. Nicholas A. Petrick, SNUPPS D. T. McPhee, Kansas City Power and Light Cecpany Gerald Charnoff, Shaw, Pite=an, Potts & Trowbridge E. W. Creel, Kansas Gas and Electric Cc=pany 295 043 7907050573

TwenT An l'ozL1:11NAMY tturir1 CATION June 11, 1979

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FRELI!!INARY NOTI 7ICATION OF.G EVENT OR UNUSUAL OCCURRENCE -- PNO-79-67AS This preliminary notification urovides updated information of safety or public interest significance.

Faciliti: Three liile Island Unit 2 Middletown, Pennsylvania (DN-50-320)

Subiect:

NUCLEAR INCIDENT AT I~r*REE MILE ISLUD Onerstioc.al:

1.

The average coolant te. perature is 157 degrees F.

The highest incore thermocouple temnerature reading is 280 degrees F.

Core cooling is being

=aintained by natural circulation. 2ressure 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 reactor building is being measure-1 daily, and is 7.3 j

feet above floor level this morning.

3.

Precperational testing for the Spent Fuel Pool Tank Farm, Once-Through Steam Generator "B" Long-Term Cooling System, the modified rad vaste treat =ent system (EPICOR), and the pressure / volume control system should be ccepleted b/ June ;15.

Enrironmental Status:

Environmental radiation levels remain consistent with natural background levels.

Airborne releases have been below Technical Specification limits. Free June 5 -

June 10, about 37 air samples were collected by the NRC.

All were less than MDA.

Vegetatian, soil and milk camples collected last week also shewed no activity above ML'A.

EPA air, water and milk samples collected during the week (up to J.:ne 3) showed no detectable activity from TMI.

l, CONTINUED O

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7906270031 A u g.

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Continued June 11, 1979 Page 2 PNO-79-67AS

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Contact:

RCPaulus, IE x27246 DTheapson, IE x28487 s.

Distribution:

Transmitted H St S*.'fC

-I Chair:2an tiendrie Cecnissioner Bradford S. J. Chilk, SECT Ces::sissioner Ecuacdy avoissioner Ahearne C. C. Xa= merer, CA

,,. ' Cenaissioner Gilinsky (For Distribution)

Transmitted: hNBB 7*1f P. Bldg *3*ST' V. Stello, II L. V. Gossick, ELO H. R. Denton, NRR Region I W H. L. Ornstein, EDO R. C. DeYoung, NRR Regica II it,'Jy-J. J. Fouchard, PA R. J. Mattson, NRR Region III u'ic; N. M. Haller, MPA R. S. Boyd, NRR Region IV 4.' L/f R. G. Ryan, OSP SS Bldg 11 od Region V 4GC H. X. Shapar, EL3 W. J. Dircks, NMSS (MAIL)

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S. Levine, RES J. J. Cw:moings, OIA R. Minogue, SD II (TMI) Site (Provide ccay to STA'E)

' ;< J Wite Eocee Situatic. Roca FDAA (Provide copies to the Adninistrator and the Operations Center)

EPA DCE/EOC PEEA BEP (State of PA)

DCPA

' EEV Esadcarry (FAA)

IttMEDIATE PRELI2iINARY NOTIFICATION a

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