ML19337A266

LER 80-042/04T-0:on 800820,analyses Rept Indicated Reportable Concentration of Co-60 Existed in Mussel Sample Taken from Plant Discharge Canal.Caused by Normal Plant Operation

ML19337A266
Person / Time
Site:	Pilgrim
Issue date:	08/26/1980
From:	Mcloughlin M BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19337A263	List: ML19337A262 ML19337A266
References
LER-80-042-04T, LER-80-42-4T, NUDOCS 8009090401
Download: ML19337A266 (1)

Text

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74 75 REPORT DATE 80 EVENT DESCRIPTION AND PRO 9ABLE CONSECUENCES h l o 121 l On August 20, 1980, Boston Edison Company received an analyses report from the Yankee F1

o ;3, l Atomic Electric Laboratory which indicated that a

aportable concentration of Co-60 l

[ o ;,i l (102.4+2.7 pC1/kg) existed in a mussel sample taken from the Pilgrim Station dischargel

[ o ,3 g ; canal outfall area on July 14, 1980. This concentration is in excess of 10 times the l lo is l l lower limit of detection at the control station in Marshfield (5.9 pCi/kg). I 10171 l l totali I DE CODE SU8C E COMPONENT COOP SL8 CODE S DE 1o191 7 8

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CAUSE DESCRIPTION AND COMnCm!! ACTIONS '

I i l o l l The presence pf Co-60 in this discharge canni en-nla i= a,,, en n,,,rarinn na eso l!

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[i l1 l l Pilgrim Station. However, even if a person were to directiv consume mussels at I p;y p l the rate given in Regulatory Guide 1.109, the annual dose to that person would only I j,,3; l be about 2.8x10~3 mrem to the total body and 2.1x10-2 mrem to the maximum exposed I i3 ;4i ; organ (GE-LLI). l

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7 8 9 80 STA $  % PCWEr OTHER $TATUS 015 0 RY DISCOVERY DESCRIPTION li l5l [E_j @ l1 1 0 l 0 j @ l NA l (,jdhiNoti#1carinn hv %4,4rnn~entil Tnh l AC TIVITY CO TENT RELEASED OF AELE ASE AMOUNT CF ACTIVITY LOCATION OF RELE ASE 1 6I NA  ! I Ma l~

7 8 9 10 11 44 45 80 PERSCNNEL E XPOSURES NUV8ER TYPE DESCRIPTION .

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LOSS OF OR DAMAGE To FACILITY TYPE O E SCRIPTION LLhJ8 9l a l@lto T

NA l 80 DE CRIPTION g 12101 IN'55UE@l NA l llllllIIl!l!11 7 8 9 10 68 69 80 3 0

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