Abrupt Loss [Energy] Law and Legal Definition

According to 10 CFR 74.4 [Title 10 – Energy; Chapter I -- Nuclear Regulatory Commission; Part 74 -- Material Control and Accounting of Special Nuclear Material; Subpart A -- General Provisions] the term abrupt loss means “a loss occurring in the time interval between consecutive sequential performances of a material control test which is designed to detect anomalies potentially indicative of a loss of strategic special nuclear material from a specific unit of SSNM (i.e., a quantity characterized by a unique measurement) introduced into a process.”