Wash. Rev. Code § 70A.208.090
(1)
(a) The department must develop lists of covered materials determined to be recyclable or compostable statewide. By October 1, 2026, the department must develop initial lists for use and evaluation in the needs assessment described in RCW 70A.208.110. The department must also publish lists no later than 30 days after approving a plan, taking into account proposed changes in the plan. In the development of the lists, the department must distinguish between:
(b) In determining whether a material is suitable for residential, public place, or alternative collection, the department may consider any combination of the following criteria:
(4)
(b) A covered material that is not identified as suitable for residential collection may be temporarily collected as part of a residential recycling program and qualify for reimbursement if:
[ 2025 c 316 s 109.]