This chapter is promulgated by the department of ecology under authority and procedures provided in chapters 34.04, 43.21A, 90.03, and 90.44 RCW.

[Statutory Authority: RCW 43.21A.060, 43.21A.080, 43.27A.090, 90.44.130, 90.54.040(2) and chapter 90.03 RCW. WSR 83-12-060 (Order DE 83-10), § 173-134A-010, filed 6/1/83. Formerly chapter 173-134 WAC.]