Code of Federal Regulations Title 10. Energy § 10.74.55 Item monitoring

(1) Tamper-safed or placed in a vault or controlled access area that provides protection at least equivalent to tamper-safing;  or

(2) Sealed such that removal of SSNM would be readily and permanently apparent (e.g., encapsulated).

(1) Thirty calendar days for Category IA items and 60 calendar days for Category IB items contained in a vault or in a permanently controlled access area isolated from the rest of the material access area (MAA);

(2) Three working days for Category IA items and seven calendar days for Category IB items located elsewhere in the MAA, except for reactor components measuring at least one meter in length and weighing in excess of 30 kilograms for which the time interval shall be 30 days;

(3) Sixty calendar days for items in a permanently controlled access area outside of an MAA;  or

(4) Sixty calendar days for samples in a vault or permanently controlled access area and 30 calendar days for samples elsewhere in the MAA for samples each containing less than 0.05 formula kilograms of SSNM.