Wash. Admin. Code § 220-16-490
Statutory Authority: RCW 77.04.020, 77.12.045, 77.12.047, and C.F.R. Title 50, Part 660. 11-15-001 (Order 11-140), § 220-16-490, filed 7/6/11, effective 8/6/11. Statutory Authority: RCW 75.08.080. 98-15-031 (Order 98-120), § 220-16-490, filed 7/7/98, effective 8/7/98.