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Section 5.5, Programs and Manuals, of Nort … Section 5.5, Programs and Manuals, of North Anna TS stated, in part, that an offsite dose calculation manual shall be established, implemented and maintained. Section 6.2 of VPAP-2103N, Offsite Dose Calculation Manual (North Anna), Revision 23, required that radioactive liquid effluent monitoring instrumentation channels be maintained operable with a trip setpoint which will automatically isolate the discharge line in response to a high radiation condition. Contrary to section 6.2 of VPAP- 2103N, 1-LW-RM-111, the liquid radioactive effluent rad monitor was not maintained operable from May 13, 2014 to September 3, 2014. During the time period that 1-LW-RM-111 was inoperable the licensee was not aware of the situation due to inadequate procedure guidance for daily source checks required to verify operability as defined in 0-LOG-6A. This finding was identified by the licensee and entered i</br>the licensees corrective action program as CR558708, 1-LW-RM-111 not capable of performing design function from 5/13/14 to 9/3/14,and Apparent Cause Evaluation, ACE019800, 1-LW-RM-111 not capable of performing design functions from 5/13/14 to 9/3/14. The inspectors performed a significance determination using NRC Inspection Manual 0609, Appendix D, Public Radiation Safety Significance Determination Process, Section C, dated February 12, 2008. Because the licensee was able to monitor the radioactive effluent release with downstream radiation monitors on the circulating water line which have alarm capability th</br>finding was determined to be of very low safety significance (Green).e of very low safety significance (Green). +
23:59:59, 31 December 2014 +
23:59:59, 31 December 2014 +
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15:50:28, 30 May 2018 +
23:59:59, 31 December 2014 +