Wash. Rev. Code § 43.19A.140
(2) If biochar products can be utilized in the project, the state agency or local government must use biochar products, except as follows:
(a) A state agency or local government is not required to use biochar products if:
(b) A state agency is not required to use biochar products in a project if:
[ 2022 c 293 s 1.]