Wash. Admin. Code § 246-296-090
Statutory Authority: RCW 70.119A.170 and Federal Safe Drinking Water Act, H.R. 1452. 12-01-077, § 246-296-090, filed 12/19/11, effective 2/1/12. Statutory Authority: RCW 70.119A.170. 01-21-137, § 246-296-090, filed 10/24/01, effective 11/24/01.