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NRC Issues Draft Interim Staff Guidance Regarding Acute Uranium Standards

The NRC issued for public comment draft Interim Staff Guidance (ISG) for Acute Uranium Exposure Standards.  Fuel cycle facilities are required to submit Integrated Safety Analysis (ISA) summaries which include ‘‘proposed quantitative standards.’’ These standards are used to determine when acute chemical exposure events analyzed in the ISA result in high or intermediate consequences. The NRC has developed an ISG document that identifies uranium intake quantities the staff finds acceptable for classifying uranium exposure events analyzed in ISAs.  Comments are due by December 1, 2014.