Nuclear material control and accounting for special nuclear material of low strategic significance.

CFR · 2024-01-01 · US · Title 10

(a) (1) Confirm the presence of special nuclear material; (2) Resolve indications of missing material; and (3) Aid in the investigation and recovery of missing material. (b) (c) (1) Establish, document, and maintain a management structure which assures clear overall responsibility for material control and accounting functions, independence from production responsibilities, separation of key responsibilities, and adequate review and use of critical material control and accounting procedures; (2) Establish and maintain a measurement system which assures that all quantities in the material accounting records are based on measured values; (3) Follow a measurement control program which assures that measurement bias is estimated and significant biases are eliminated from inventory difference values of record; (4) In each inventory period, control total material control and accounting measurement uncertainty so that twice its standard error is less than the greater of 9,000 grams of U-235 or 0.25 percent of the active inventory, and assure that any measurement performed under contract is controlled so that the licensee can satisfy this requirement; (5) Unless otherwise required to satisfy part 75 of this chapter, perform a physical inventory at least every 12 months and, within 60 days after the (6) Maintain current knowledge of items when the sum of the time of existence of an item, the time to make a record of the item, and the time necessary to locate the item exceeds 14 days. St

official document · source cfr-2024 · id 10:§ 74.31