ML20010H839
| ML20010H839 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 09/24/1981 |
| From: | Barrett L, Conte R, Fasano A Office of Nuclear Reactor Regulation |
| To: | |
| References | |
| PNO-TMI-81-020A, PNO-TMI-81-20A, NUDOCS 8109290343 | |
| Download: ML20010H839 (1) | |
Text
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50320-810923 Septenber 24, 1981 PRELIMINARY [10TIFICATION OF EVEtlT OR UNUSUAL OCCURRENCE--PNO-TMI-81-20A This prelind'ary notification constitutes EARLY notice of events of POSSIBLE safe,ty or public intereu significance.
The information is as initially received without verifi-cation or evaluttion and is basically all tnat is known by NRC staff on this date.
Facility: Metropolitan Edison Company Licensee Emergency Classification:
Three Mile Island, Unit 2 X
Not Applicable Docket No. 50-320
Subject:
REACTOR BUILDING SUMP / BASEMENT WATER PROCES.',1NG (UPDATE)
Processing of the Reactor Building sump / basement water continued today using the Submerged Demineralizer System (SDS) (PNO-TMI-81-20).
From 5:50 PM, September 23, 1981 to 2:50 PM, September 24, 1981 6,200 gallons were processed.
System performance data indicates a decontamination factor (DF) for cesium (Cs-137) of 1.3 x 105 and 2.3 x 102 for strontium (Sr-90).
This represents an isotope removal efficiency of greater than 99%.
General area radiation levels at the nool area increased slightly as expected.
There was no indication of radiological re'.ases to the plant or offsite.
Media interest occurred because of public sensitivity to TMI related events in particular SD'. operations.
Further, the licensee scheduled a press conference for 10:30 AM, Sep tember 25, 1981.
The NRC does not plan to issue a press release at this time.
The i
Comonwealth of Pennsylvania was informed.
This preliminary notification is issued for information only and provides updated infonnation (PNO-TMI-81-20).
NRC onsite 24-hour coverage will continue until pro:essing of this batch is complete.
Routine SDS status information will be subsequently reported in the NRC TMI Program Office Weekly Status Report.
The NRC TMI Program Office received notification of this occurrence by monitoring events as they occurred and this information.was gurrent as of 4:00 P A.t)Fasanof, Lg a.. &
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Contact _:
R. Conte 590-1125 590-1123 L
arrett 590-1120 DISTRIBUTION:
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