ML19210D370

LER 79-020/04L-0:on 791017,excessive Radioactive Gas Release Occurred During Routine Makeup Tank Gas Space Sampling. Caused by Increase in Failed Fuel.Sampling Temporarily Discontinued & Procedures Being Revised

ML19210D370
Person / Time
Site:	Arkansas Nuclear
Issue date:	11/16/1979
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19210D369	List: ML19210D368 ML19210D370
References
LER-79-020-04L, LER-79-20-4L, NUDOCS 7911260365
Download: ML19210D370 (1)

Text

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7 8 60 6' DOCKET NUM6 g n 68 69 DATE 74 ?S HEPORT DATE EVENT DESCRIPTION AND PROBAOLE CONSEQUENCES h lo 121 I During rnneine M,konn Tnnk g,= ennco enn,14ng, ,

v,a4n,reivn 3,e volo,en I l o l a i ! of approximately two times MPC (Maximum Permissible Concentration) over I o 4 l a one hour period occurred. exceeding that allowable per E.T.S.2.4.2.3.a.1 inist The stack monitor indication began to decrease immediately upon isolationi ITTiil of the sample line. Sample time was no more than 10 minutes. No similarl o i ! occurrences. Reportable per E.T.S.S.6.2.b. 1 0 e l I E LCDE S 8C E COMPONENT COut su at of io191 1 P I Rl@ k_j@ L1,j@ l z Iz I z I ZI Z l Zl@ LZJ@ l_z_J @

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40 41 43 47 CAUSE DESCR.PTION AND CORRECflVE ACTIONS h l i l o l 1 Radioactive gas sninnie activity in the Makeun Tank was higher than ore- J lililIvinns invois dun to an nnnnvene incronse in fnilnd fun 1 ( < 0.15' f n 41 od tii21Ifuel). Evaluation of Makeup Tank gas space is not required. Therefere, I i,i3i Isampling of the Makeup gas space has been temporarily discontinued. Pro-t i 4 Icedures are beine revised to allow samoline by a different techniaue. I

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[JJ@l10 NA l IS5UED NRC W ONLY Lt.loJ C@DEScRiFTtoNltocal & Area Newspaper & Radio Account j l  ; ;;;;;;;;j 7 8 9 10 t,s e,9 P0 NAME OF PREPAHER Chris N. Shively , , , 501/968-2519 7911260 3 b [