Wash. Rev. Code § 70A.450.070
(1) Every owner of a facility that is engaged in activities described in codes 31 through 33 of the North American industry classification system must:
(b) Develop, maintain, and update an asbestos management plan and keep a copy at the facility. The asbestos management plan must be updated every five years and after any material changes in asbestos-containing building materials in the facility. The asbestos management plan must include:
[ 2020 c 100 s 3.]