ML19224C629
| ML19224C629 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 06/13/1979 |
| From: | Seidle W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | Gary R TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| References | |
| NUDOCS 7907050575 | |
| Download: ML19224C629 (1) | |
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's, June 13, 1979 Docket No. 50-445 50-446 Texas Utilities Generating Conpany ATTN:
Mr. R. J. Gary, Executive Vice President and General Manager 2001 Bryan Tower Dallas, Texas 75201 Gentlenen:
Enclosed is supplement AS to Preliminary Notification PNO-79-67, " Nuclear Incident at Three Mile Island," dated June 11, 1979.
Should you have any questions regarding this review, please contact this office.
Sincerely, f
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W.C.Sehe, Chief Reactor Construction and Engineering Support Branch
Enclosure:
PNO-79-67AS 295 047 7 9 0 7 050 s7s~
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t fMwentATI l'NELiniffAxx taunt 1 CATION June 11, 1979 PRELIMINARY NOTIFICATION OF AN EVENT OR LUCSUAL OCCURRENCE -- PNO-79-67AS This preliminarf notification urovide.s updated informat_i_on _of safety or public int.erest significance.
Facilitr: Three Mile Island Unit '
Hiddletown, Pennsylvania (DN-50-320)
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Subject:
NUCLEAR INCIDENT AT THREE MILE ISLAND Operstiona1:
1.
The average coolant temperature is 157 degrees F.
The highest incore thermocouple temperature reading is 280 degrees F.
Core cooling is being
=aintained by natural circulation. Pressure is about 340 psi with the pressuriner in solid operation. Steam is being admitted to the main con-denser through the turbine bypass valve from the A Steam Generator.
2.
Water level in the reactor building is being measured daily, and is 7.3 feet above floor level this morning.
3.
Preoperational testing for the Spent Fuel Pool Tank Farm, Once-Through Steam Generator "S" Long-Term Cooling System, the modified rad waste treatment system (EPICOR), and the pressure / volume control system should be completed by June.15.
Envirocoestal Status:
Environmental radiation levels remain ccasistent with natural background levels.
Airborne releases have been below Technical Specification licits. 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 sanples collected during the week (up to June 3) showed no detectable activity from TMI.
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Continued June 11,1979 Page 2 PNO-79-67AS
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Contact:
RCPaulus, IE x27246 DThenpaon, IE x23487 Distribution:
Transmitted H St 2f.sfc Chairman Hendrie Coexsissioner Bradford S. J. Chilk, SECT Cos:sissioner Ecuacdy C<.,tanissioner Ahearce C. C. Kacxnerer, CA
/ Cc=missioner Gilinsky (For Distribution)
Transmitted: hNBB 7! W P. Bldg'3* W V. Stello, IE L. V. Gossick, EDO H. R. Denton, NRR Region I W II. 1. Ornstein, ECO R. C. DeYoung, NRR Regica II 4.'J.5--
J. J. Fouchard, PA R. J. Mattson, NRR Region III u'10 N. M. Ealler, MPA R. S. Boyd, NRR Region IV 4.' LLf R. G. Ryan, CSP SS Bldg 4 od Region V 4GC H. X. Shapar, ELD W. J. Dircks, NMSS (MAIL)
S. Levine, RES J. J. Ctuacings, CIA R. Minogue, SD
..4-II (TMI) Site (Provide copy to STATE)
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khite Ecune Situation Room FDAA (Provida copies to the Adninistrator and the Operations Center)
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B3P (State of PA)
DCPA EEV Handcarry (FAA)
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