(a) After receipt, the using organization shall provide necessary controls for precious metals. Materials shall be stored in a non-combustible, combination locked repository at all times except for quantities at the actual point of use.

(b) Each using organization shall maintain a log showing the individual user, type and form of metal, and the time, place, and purpose of each use. The log shall be kept in a locked repository when not in use.

(c) The logs and secured locked storage facilities are subject to review by the Precious Metals Control Officer and other audit or review staffs as required.

(d) Cognizant Departmental managers are responsible for assuring that minimum quantities of precious metals are withdrawn consistent with work requirements and that quantities excess to requirements are promptly returned to the stockroom.