Wash. Admin. Code § 246-272A-0310
A person removing septage from an OSS shall obtain approval from the local health officer before removal and:
[Statutory Authority: RCW 43.20.050(3), 43.20.065, chapters 70A.105 and 70A.110 RCW. WSR 24-06-046, § 246-272A-0310, filed 3/1/24, effective 4/1/25. Statutory Authority: RCW 43.20.050. WSR 05-15-119, § 246-272A-0310, filed 7/18/05, effective 7/1/07.]