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Forwards revised LERs 80-062/01X-1 & 83-011/03X-1 & LERs 83-045/03L-0 & 83-046/03L-0.

Accession Number: ML20082M997

Date Released: Sunday, April 5, 2020

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• ML20082M995 - Forwards revised LERs 80-062/01X-1 & 83-011/03X-1 & LERs 83-045/03L-0 & 83-046/03L-0. (8 page(s), 11/23/1983)
• ML20082N033 - Revised LER 80-062/01X-1:on 801021,isolation valve HV-2301 for purification train A would not close electrically or by handjack.Valve closed by handjack on 801022.Cause unknown. (1 page(s), 11/23/1983)
• ML20082N071 - LER 83-045/03L-0:on 831025,Halon 1301 sys for three-room complex taken out of svc for mod & automatic function for isolation dampers of complex removed.Caused by relocation of several piping & electrical conduit runs. (5 page(s), 11/23/1983)
• ML20082N110 - LER 83-046/03L-0:on 831024,unplanned unsampled radioactive gas release occurred.Caused by crack in analytical moisture monitor M-9306.Reactor bldg access restricted & defective analytical moisture monitor replaced. (3 page(s), 11/23/1983)
• ML20082N119 - Revised LER 83-011/03X-1:on 830307,rupture disc on vacuum tank ruptured & caused unsampled & unplanned release.Caused by too rapid flow increase to gas waste sys due to repositioning of valve from core support floor vent. (4 page(s), 11/23/1983)