After the declaration of a state of public health emergency, DHEC may exercise, in coordination with state agencies, local governments, and other organizations responsible for implementation of the emergency support functions in the State Emergency Operations Plan for handling dangerous facilities and materials, for such period as the state of public health emergency exists, the following powers over dangerous facilities or materials:
(1) to close, direct and compel the evacuation of, or to decontaminate or cause to be decontaminated, any facility of which there is reasonable cause to believe that it may endanger the public health; and
(2) to decontaminate or cause to be decontaminated, any material of which there is reasonable cause to believe that it may endanger the public health.