Wash. Admin. Code § 246-271-180
Statutory Authority: RCW 43.20.050. 92-02-019 (Order 225B), § 246-271-180, filed 12/23/91, effective 1/23/92; 91-02-051 (Order 124B), recodified as § 246-271-180, filed 12/27/90, effective 1/31/91; Public Sewage Appendix, effective 3/11/60.