Active Inventory [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 active inventory means “the sum of additions to inventory, beginning inventory, ending inventory, and removals from inventory, after all common terms have been excluded. Common terms are any material values which appear in the active inventory calculation more than once and come from the same measurement.”