ML19340F046

LER 80-094/04T-0:on 801229,lab Rept Indicated Excessive Concentration of I-131 in Milk Sample Collected on 801120. Caused by Chinese Weapons Test.Consumption of Milk Poses No Threat to Health of Public

ML19340F046
Person / Time
Site:	Pilgrim
Issue date:	01/13/1981
From:	Mcloughlin M BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19340F024	List: ML19340F023 ML19340F046
References
LER-80-094-04T, LER-80-94-4T, NUDOCS 8101160573
Download: ML19340F046 (1)

Text

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. LICENSEE EVENT REPORT CONTROL BLOCK: I l l 1 l lh 6

(PLEASE PRINT OR TYPE ALL REQUIRED INFCRMATlHN)

ITTT1 l M I A l P l P l 1 l lgl150 l 0 l- l 0 lLICENSE 0 l 0NUM8ERl 0 l 0 l- l 0 l 0 25l@l264 l 1LICENSE l 1 l TYPE 1 l 1JOl@l37 GAT l b8 lg 7 8 9 LICENSEE CODE 14 COWT 10111 En"c'60l L ]@l 01510 l- 10121913 @l69 0 l EVENT 110151810 @l011111318 7 8 61 DOCKET NUMBER 67 DATE 74 7S REPORT DATE l 180l@

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h ITTTll On December 29, 1980. Boston Edison received an analysis renort from l Yankee Atomic Electric Laboratory which indicated rhne n vnnnrenhin l 10 l 31 l 1014 l l concentration of Iodine 131 (1.7 + 0.1 nr4/Kg existed in a samnin of I lOisl l milk collected from indicator station (Plimouth Plantation-2.2 miles west) l ITTa l I on November 20, 1980. This concentration was in excnns of 10 r i nn <= rhn l l0 l7l l measured I-131 concentration at the control station (Whi rm n Far~ 21 mi. M _to l l 0 ie l l which was 0.056 .02pci/Kg. I bu 7 8 9

• SU8C E COMPONENT CODE SU8C00'E S E E CODE 10l91 7 8

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J@ L2J @ l z l zl 71 71 71 zi@ LzJ@ L2J 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION EVENT YE AR REPORT NO. CODE TYPE N O.

LENRO

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27 10l4l 28 29 lJ,,j 30 I-l 31 (g,_j 32 K N AC O ONP NT ME HOURS S8 i FOR 8. SUPPLI MANUFACTURER Izl@lz_J@

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43 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 27 li la l l This measurement of I-131 is unquestionably the result of recent Chinese l li ii l l weapons test. For comparison, consumption of milk with the measured I l gl concentration of 1.7 pCi/Kg by the maximum exposed individual for a full l l

l gl year would result in only about 3 mrem to the thyroid of a child while l l

'g l the annual dose due to natural backcround is about 100 mrem /vr. I l

7 8 9 8" ST S  % POWER OTHER STATUS DIS O RY DISCOVERY DESCRIPTION

. m [.g.j@ l il o I o l@l n I Lnj@l vee 4 mmm,me,i 1,s vme4e4,,e4mm I

/ T1VITY CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE j

1 6 d @ l_Z,j @ l NA 44 l l.

45 NA SO 7 8 9 10 11 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION W l0 10 l0 l@ [,z_j @l This does not represent a sienificant threat to thehealthofthaj

' Public. "

PERSONNE L INJU IES NUMBER DESCRIPTION L1,,,,ls.,l l0 10 l 0 l@l NA  !

7 8 9 11 12 CG LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIPTION 1 9 (Z_j@l NA l 7 8 9 to 80

@ 8101160 Q ) NRC uSe ONov 7

2 O 8 9 dl ISSUE @ DESCRIPTION 10 NA I 68 69 IIIllll1IIII12 80 &

NAME OF PREPARER Mr. M. Thomas McLoughlin PHONE: 617-746-7900 2

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