Unreviewed Safety Question [Energy] Law and Legal Definition
According to 10 CFR 76.4 [Title 10 – Energy; Chapter I -- Nuclear Regulatory Commission; Part 76 -- Certification of Gaseous Diffusion Plants; Subpart A -- General Provisions], the term unreviewed safety question means “a change which involves any of the following:
(1) The probability of occurrence or the consequences of an accident or malfunction of equipment important to safety previously evaluated in the safety analysis report may be increased;
(2) A possibility for an accident or malfunction of a different type than any evaluated previously in the safety analysis report may be created; or
(3) The margin of safety as defined in the basis for any technical safety requirement is reduced.”
