As used in this chapter:
(1) “Responding to an emergency” means responding to, working at the scene of, or returning from a fire, rescue, emergency medical service call, hazardous materials incident, or a natural or man-made disaster, where the emergency occurs during a period other than normal working hours of the employee.
(2) “Volunteer member” means a volunteer, call, reserve, or permanent-intermittent firefighter or emergency medical technician, but shall not include any person who received compensation for over nine hundred seventy-five (975) hours of services rendered in such capacity over the preceding six (6) months.