(b)
give such preference to occupants and project-connected persons and to incoming employees of the Commission, of a contractor, or of a licensee as the Commission finds necessary or desirable, giving due consideration to the following factors:
(1) The retention and recruitment of personnel essential to the atomic energy program;
(2) The minimization of dislocations within the community;
(3) The expeditious accomplishment of the disposal program; and
(4) The desirability of encouraging private firms to locate or remain in the community;