As used in this chapter, unless the context clearly indicates otherwise:

(1) "Department" means the department of ecology.

(2) "Director" means director of the department of ecology.

(3) "Local government" means county or city government or any combination of the two.

(4) "Noise" means the intensity, duration and character of sounds from any and all sources.

(5) "Person" means any individual, corporation, partnership, association, governmental body, state, or other entity whatsoever.