Wash. Admin. Code § 296-15-200
Statutory Authority: RCW 51.04.020. 86-14-079 (Order 86-25), § 296-15-200, filed 7/1/86; 83-07-009 (Order 83-8), § 296-15-200, filed 3/8/83; Order 77-19, § 296-15-200, filed 9/26/77; Order 75-28, § 296-15-200, filed 8/29/75, effective 1/1/76.