05000220/LER-1981-046-04, /04T-0:on 810922,review of 810813 & 14 ETS Semiannual Samples of Cladophora Showed Co-60 & Nb-95 at Level of 10 Times Control Value.Probably Caused by Liquid Effluent Discharge & Oct 1980 Chinese Weapons Test

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/04T-0:on 810922,review of 810813 & 14 ETS Semiannual Samples of Cladophora Showed Co-60 & Nb-95 at Level of 10 Times Control Value.Probably Caused by Liquid Effluent Discharge & Oct 1980 Chinese Weapons Test
ML20011A485
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 09/30/1981
From: Mclaughlin K
NIAGARA MOHAWK POWER CORP.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20011A481 List:
References
LER-81-046-04T, LER-81-46-4T, NUDOCS 8110130472
Download: ML20011A485 (1)


LER-1981-046, /04T-0:on 810922,review of 810813 & 14 ETS Semiannual Samples of Cladophora Showed Co-60 & Nb-95 at Level of 10 Times Control Value.Probably Caused by Liquid Effluent Discharge & Oct 1980 Chinese Weapons Test
Event date:
Report date:
2201981046R04 - NRC Website

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74 7b REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 1

Io l2l l On Aucust 13 and 14. Envi ronmenta1 Technical Specificatior semi-annual samples of I

l 0 l 3 ! l Cladophora, an algae were collected on the north shore of the James A. Fit: Patrick l

lojal l site.

The samples were found to contain Co-60 and Nb-95 in concentrations that were I

oisl l slightly higher than the Environmental Tech. Spec. reporting level of 10 times the

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Sampics collected at the Nine 51ile Point site showed Nb-95 detected I

l o [ 7 ] [ nt exactly 10 times the control value.

The samples were recounted and the same resultsl I

l 0 ls l l were found.

Safety consequences were minimal.

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g ; within the allowable Technical Specification limits.

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[,,3l l Nb-95 is the Chinese Weapons Test of October,1980.

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g3 j4i ; contemplated by N51D-1 because liquid discharges have aircady been minimized.

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