The contingency plan must be reviewed, and immediately amended, if necessary, whenever:
(A) Applicable rules are revised;
(B) The contingency plan fails in an emergency;
(C) The facility changes- in its design, construction, operation, maintenance, or other circumstances- in a way that materially increases the potential for fires, explosions, or releases of hazardous waste or hazardous waste constituents, or changes the response necessary in an emergency;
(D) The list of emergency coordinators changes; or
(E) The list of emergency equipment changes.