The department of health services in consultation with any other department, agency
or body which the board of supervisors designates, may establish and adopt such rules
and regulations on the type of ambulance, the type of equipment used, the condition
of vehicles, the allowable special charge rates, and any other aspects of ambulance
operations, which the director of the department of health services finds is necessary
for the preservation of the health and safety of the patients of any ambulance operator
and those using the highways.