(1) In each county of the state there is hereby created an air pollution control authority, which shall bear the name of the county within which it is located. The boundaries of each authority shall be coextensive with the boundaries of the county within which it is located. An authority shall include all incorporated and unincorporated areas of the county within which it is located.
(2) Except as provided in RCW
70A.15.2580, all authorities which are presently activated authorities shall carry out the duties and exercise the powers provided in this chapter. Those activated authorities which encompass contiguous counties are declared to be and directed to function as a multicounty authority.
(3) All other air pollution control authorities are hereby designated as inactive authorities.
(4) The boards of those authorities designated as activated authorities by this chapter shall be comprised of such individuals as is provided in RCW
70A.15.2000.