Sec. 3. As used in this chapter, "employee" means an individual who:
(1) is employed full time by the state or a political subdivision of the state as:
(A) a member of a fire department (as defined in IC 36-8-1-8);
(B) an emergency medical services provider (as defined in IC 16-41-10-1);
(C) a member of a police department (as defined in IC 36-8-1-9); or
(D) a department of homeland security fire investigator;
(2) in the course of the individual's employment, is at risk for occupational exposure; and
(3) is not employed elsewhere by the state or a political subdivision of the state in a similar capacity.