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Unusual Event UE-78-01:in Jan 1978 & Dec 1977,liquid effluent pH limits exceeded Tech Specs.Caused by incorrect automatic diversion switch setpoint.Log sheet will be modified to specify 8.5 action level.LER encl.

Accession Number: ML19317G118

Date Released: Friday, October 25, 2024

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• ML19317G117 - Unusual Event UE-78-01:in Jan 1978 & Dec 1977,liquid effluent pH limits exceeded Tech Specs.Caused by incorrect automatic diversion switch setpoint.Log sheet will be modified to specify 8.5 action level.LER encl. (2 page(s), 1/18/1978)
• ML19317G122 - LER 78-001/04T-0:on 780109,plant liquid effluent pH levels exceeded Tech Spec 8.5 limit.PH sensor setpoint raised in summer to Folson South Canal pH level & not reset when pH level dropped,eliminating automatic diversion feature. (1 page(s), 1/18/1978)