ML19352A049

LER 81-004/03L-0:on 810121,no TLD Readings Obtainable from Two Tlds Recovered from 1.7 Site Boundary TLD Station.Caused by Spurious,Unexplained Problem W/Eg&G Model TL-3 TLD Reader.Victoreen Model 2810 TLD Reader Ordered

ML19352A049
Person / Time
Site:	Vermont Yankee
Issue date:	02/18/1981
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19352A048	List: ML19352A047 ML19352A049
References
LER-81-004-03L, LER-81-4-3L, NUDOCS 8102250609
Download: ML19352A049 (1)

Text

NRC FORM 36S U. S. NUCLE AR REGUL A TORY CCMMISSICN (7 77)

LICENSEE EVENT REPORT LER 81-04/3L q

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-:CNTR9L 8LOCC l l l l l I h (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATioN) lo t i8l 9l v i TLaCENSEE 7

l V l CODE Y I S l141 l@l :S O ! 0l -l 0101 Ol 0l Ol -l 01 0l@l LiCEN5E %VSER 25 411L.l CENSE 26 1 l 11 1 l@l$7 wAT Ty p5 aJ l

to l@

CON'T loli! ,";0"J l t J@l 0 l 51 01 0 ! O! 21 7l 11@l 0 11 ! 2 I l 18 l 1 i@l 01 21 11 8 ! 8 l 11@

7 6 64 61 COCK ET NLva E n 6d 63 EV ENT 0 ATE '4 '5 AE80RT GATE WJ EVENT OESCRIPTf CN AND PRC8A8LE CCNSECUENCES h to1: 1 l During the monthly environmental TLD changeout, it was discovered that no TLD read- !

g o ,3 ! l ings were obtainable f rom the two TLD's recovered f rom the 1.7 Site Boundary (275*) I lo jai l TLD station. Tech. Spec . Station 3.9.1 (Table) requires monthly intecrated readines I loisl Ifrom each of the stations located around the plant perimeter. Normal, low dose l Ia is l l rates were recorded by the other nerimeter TLD's. This lack of data from this I loI7i lstation, therefore, is of no consequence, or potential consequence, to the health l l o Ia l Iand safety of the public. No previous similar occurrences have been renorted.  !

7 8 9 60 SYSTE*1 CAUSE CAUSE CovP V A L'. E COOE COCE SLB000E COVPONENT 00E SUB00 0 E SUSCOCE 10191 7 8 181 Alh l Elh ! Elh lI! Nl S! Tl Rl Ulh l Zlh l Zlh 9 10 11 12 12 is 19 20

_ SEQUENTI AL CCCLADENCE REPORT REVIS;ON a og EVENT vEAR REPORT NO. CODE TvPc No.

@ har i 81 11 1-l l010!4l l/l l0l3l lLl l-! l0 l 21 22 ;3 24 26 27 23 29 3J 31 32 ACitON FUTURE EF8ECT SauT00WN AT*ACHufNT N P R O-4 PRIVE COMP. COvPONENT TAKEN 4CT:CN ON PLANT VETwCC HCURS 4. SUSviTTED FORM sL9 SL PPLI E R VANLFACTURER lEl@lCl@ l357. l@ lZl@ l 010l 0l 0l l Nl@ l42Nl@ lX l@ l4AX l 919 l 947l@

33 J4 36 3 40 41 43 CAUSE CESCRIPTION AND CCRRECTIVE ACflONS 1 i l o l lThe cause of this lost TLD readinc has been traced to a spurious, unexplained l I i l i l lproblem with the EGSC, Model TL-3 TLD reader. A new Victoreen Wdel 2810 TTD I

, , , ,, , g reader has been ordered to replace the existing model. I l ' 131 I I t i l 41 I I 7 a 9 80 ST S  % POWER OTHER STATUS 65 CV R OtSCOVERY CESCR'PT!CN NA Technicinn Observation lt i 5 l l E l@ l 01 9l 7l@l l lBl@l l ACTA vt ry CC TENT

= ELE Ano cr RELE AsE AvoCNT CF ACTIVITY LOCATION OF RELE ASE l1 l6l h l ZI@l NA l l NA l 7 6 's 10 11 44 46 80 PERSCNNEL ExPOSLRES NUVSER TYPE D E SC RIPTION 39) 12 171 1010 ! 0 l@l Z i@l NA l

• * ' NJES *

,E SCNw'L NuveER DESCRiPTICP @

NA l li 14110 7 8 3 l 010 l@l 11 '2 60 LOSS y OR CAVAGE TO FACILITY

'VPE OESCRtPTION NA l I ' I 96 I 4I Z l@l10 7 do Pt e i:Cr iv N RC t.;S E CN LY ISSUED DESCRt# TION I:lol[3_J@l 7 8 9 ?O NA I dd 59 II IIIIfI!! IfII 30 %

Warren P. Murphy (802) 257-7711 2, NAME OF PREPARER PHCNE:

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