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Information Notice (IN)

The NRC issued IN 2013-13 to inform all addressees of recent operating experience involving deficiencies with effluent radiation monitoring systems. The deficiencies affected the radioactive effluent control program and the licensee’s ability to implement the emergency plan. Actions in accordance with 10 CFR 50.65, “Requirements for monitoring the effectiveness of maintenance at nuclear power plants,” were not always taken and, in some cases, this has resulted in radiation monitors being out of service for extended periods of time. The NRC expects recipients to review the information for applicability to their facilities and to consider actions, as appropriate, to avoid similar problems. Suggestions contained in this IN are not NRC requirements, and therefore, no specific action or written response is required.