These rules are promulgated under RCW 43.21C.120 (the State Environmental Policy Act) and chapter 197-11 WAC (SEPA rules).
Wash. Admin. Code § 352-11-010
Statutory Authority: Chapter 43.21C RCW. 84-20-112 (Order 84), § 352-11-010, filed 10/3/84. Formerly chapter 352-10 WAC.