This regulation is promulgated by the department of ecology under the authority of chapter 90.54 RCW.
Wash. Admin. Code § 173-500-030
Statutory Authority: Chapters 43.27A and 90.54 RCW. 88-13-037 (Order 88-11), § 173-500-030, filed 6/9/88; Order DE 75-23, § 173-500-030, filed 1/6/76.