The Designated Official must make a decision to activate the Occupant Emergency Organization based upon the best available information, including—

(a) An understanding of local tensions;

(b) The sensitivity of target agency(ies);

(c) Previous experience with similar situations;

(d) Advice from the Federal agency buildings manager;

(e) Advice from the appropriate Federal law enforcement official; and

(f) Advice from Federal, State, and local law enforcement agencies.