Unless the context requires otherwise, as used in this chapter, the following definitions apply:
(1) "Department" means the department of labor and industry provided for in Title 2, chapter 15, part 17.
(2) "Practice the profession of sanitarian" means:
(a) giving advice on or enforcing compliance with state and local regulations applicable to local government jurisdictions and programs concerning food service, food processing, public accommodations, trailer courts, campgrounds, day-care centers, schools, swimming pools and spas, air pollution, solid and hazardous waste collection and disposal, sewage treatment and disposal, vector control, underground storage tanks, drinking water, land subdivision, and milk sanitation;
(b) cooperating with government agencies on matters of public and environmental health, including epidemiological investigations and emergency response to investigations; and
(c) providing educational and training programs in environmental standards and public health.
(3) "Registered sanitarian" means a sanitarian licensed under this chapter.