ML19350D999

LER 81-057/03L-0:on 810519,liquid Radwaste Effluent Monitor O-RM-90-122 Was Declared Inoperable When Monitor Failed to Source Check.Caused by Monitor Sample Chamber Contamination Due to Background Buildup

ML19350D999
Person / Time
Site:	Sequoyah
Issue date:	06/09/1981
From:	Harding M, Wilkey A TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19350D996	List: ML19350D994 ML19350D999
References
LER-81-057-03L, LER-81-57-3L, NUDOCS 8106160276
Download: ML19350D999 (1)

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• EVENT DESCRIPTION AND PROS A88.E 530CONSECUENCES F and 2235 usic. liquid h ' radvaste ef fluent I

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lali1 l requires frequent flushine and replacement of the sample chamber. On this occasion. the I 134o CDT on i i ; ,3 I sampic chamber was replaced and the monitor was returned to service at l,p3g[ 5/27/81. A design modification to facilitate flushing and to'prov'ide a redundant monitort .

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Name of Preparer M. i<. Hard h /A. M. Wilkey. Phone (615) 8t.2-8317 _ ..

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