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