Necessary inventories shall be established and maintained at reasonable levels, consistent with DOE requirements, applicable laws and regulations, and the following objectives:
(a) The maintenance of adequate stock levels through accurate analyses of quantities to determine requirements and stock replenishments so that only minimal obsolescence losses will be encountered while ensuring adequate inventory levels to meet program schedules;
(b) The protection of materials against misuse, theft, and misappropriation;
(c) The maintenance of an efficient operation; and
(d) The standardization of inventories to the greatest extent practicable.