Wash. Rev. Code § 43.21C.300
The department of ecology shall conduct annual statewide workshops and publish an annual state environmental policy act handbook or supplement to assist persons in complying with the provisions of this chapter and the implementing rules. The workshops and handbook shall include, but not be limited to, measures to assist in preparation, processing, and review of environmental documents, relevant court decisions affecting this chapter or rules adopted under this chapter, legislative changes to this chapter, administrative changes to the rules, and any other information which will assist in orderly implementation of this chapter and rules.
The department shall develop the handbook and conduct the workshops in cooperation with, but not limited to, state agencies, the association of Washington cities, the Washington association of counties, educational institutions, and other groups or associations interested in the state environmental policy act.
RCW 43.21C.300