ML19209C326
| ML19209C326 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 08/03/1979 |
| From: | Liza Cunningham, Higginbotham L NRC OFFICE OF INSPECTION & ENFORCEMENT (IE) |
| To: | |
| References | |
| PNO-79-297A, NUDOCS 7910150034 | |
| Download: ML19209C326 (1) | |
Text
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PRELIMINARY NOTIFICATION M. S,, s August 3, 1979 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-79-297A This oreliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance.
The information presented is as initially received without verification or evaluation and is basically all tnat is known by IE staff on this date.
FaciTity:
Metropolitan Edison Company Middletown, Pennsylvania Three Mile Island, Unit 1 50-289/50-320
Subject:
LIQUID DISCHiRGE TO SUSQUEHANNA RIVER (UPDATED INFORMATION)
This PN provides updated information related to PNO-79-297 issued July 31 1979.
A sample was collected by the licensee from the Waste Evaporator Condensate Storage Tank (WECST) subsequent to termination of tank discharge on July 26, 1979.
On July 30, 1979 the sample was sent to an analytical laboratory in Philadelphia, Pennsylvania (Radiation Management Corporation).
On August 2, 1979, the licensee reported to the NRC the analytical results for tgis sample which showed a total strontium (Sr-89, 90) concentration of 8.5x10 micro-curies /milliter (uCi/ml).
The licensee's calculations showed that after dilu-tion and prior to discharge to the river, the effluent concentration of Sr-89, 8
90 was 2.6x10 uCi/ml.
This represented approximately 10% of the Maximum Permissable Concentration (MPC) for average annual release for strontiurr (10 CFR 20), incicating the release did not exceed limits at the point of discharge to the river.
The NRC inspectors will evaluate and verify the licensee's calculations and results.
The Commonwealth of Pennsylvania has been informed.
A press release was made by the licensee.
NRC, Region I, (Philadelphia) received notification of this occurrence by a telephone call from IE Resident Office at TMI at 4:30 p.m. on August 2,1979.
Contact:
LJCunningham, IE x28188 LBHigginbotham, IE x28454 Distribution:
Transmitted H St Chairman hendrie Commissioner Bradford S. J. Chilk, SECY Com.issioner Kennedy Commissioner Ahearne C. C. Kammerer, CA Commissioner Gilinsky ACRS (For Distribution)
Transmitted:
MNBB P. Bldg 1126 V. Stello, IE L. V. Gossick, E00 H. R. Denton, NRR Region T-H. L. Ornstein, ED0 R. C. DeYoung, NRR
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J. J. Fouchard, PA R. J. Mattson, NRR N. M. Haller, MPA D. Vassallo, NRR (MAIL)
R. G. Ryan, OSP D. Eisenhut, NRR J. J. Cummings, DIA H. K. Shapar, ELD SS Bldg R. Minogue, SD W. J. Dircks, NMSS
- 5. Levine, RES jfj3 7qj PRELIMINARY NOTIFICATION 7 91015 00 3 V J