Report to Congress on Abnormal Occurrences; Fiscal Year 2017 Dissemination of Information

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The U.S. Nuclear Regulatory Commission (NRC) is issuing NUREG- 0090, Volume 40, "Report to Congress on Abnormal Occurrences: Fiscal Year 2017." The report describes those events that the NRC or an Agreement State identified as abnormal occurrences (AOs) during fiscal year (FY) 2017, based on the criteria defined in the report. The report describes six events at Agreement State-licensed facilities and five events at an NRC-licensed facilities.