Wash. Admin. Code § 173-328-040
The department shall, on a biennial basis, determine all reasonable program costs necessary to carry out the department's duties under chapter 173-303 WAC for each mixed waste facility. The fee may be assessed at a mixed waste facility for the department's regulation of both mixed waste and nonradioactive dangerous waste. The department shall include, but not be limited to, the following items to determine fee amounts:
(1) Direct and indirect cost of:
(2) Direct and indirect permitting costs of:
(3) Direct and indirect compliance activity cost of:
[Statutory Authority: RCW 70.105.280. WSR 93-09-065 (Order 91-24), § 173-328-040, filed 4/20/93, effective 5/21/93.]