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While performing extent of condition activWhile performing extent of condition activities as a result of a prior NRC inspection, the licensee identified a violation of TS 3.3.7, which requires the actuation instrumentation for the control room ventilation system to be operable. Non-conservative actuation setpoints were used for the control room outside air intake noble gas channels, which rendered the monitors inoperable. Specifically, in December 1999, the setpoints for the control room outside air intake noble gas channels (0PR31B, 0PR32B, 0PR33B and 0PR34B) were entered as 2.9 millirem/hr as compared to the correct setpoint of 2.0 millirem/hr. This issue was entered into the licensees CAP as IR 1106414. This finding was of very low safety significance (Green) because the finding did not involve: (1) an ALARA finding; (2) an overexposure; (3) a substantial potential for overexposure; or (4) an impaired ability to assess doses.r (4) an impaired ability to assess doses.  +
23:59:59, 30 June 2011  +
05000456  +  and 05000457  +
23:59:59, 30 June 2011  +
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15:42:45, 30 May 2018  +
23:59:59, 30 June 2011  +
Licensee-Identified Violation  +