Versions of Washington Code 70A.120.160 - Fee schedules -- Certified operators -- Public water systems on LawServer 2023 Washington Code 70A.120.160 – Fee schedules — Certified operators — Public water systems 2022 Washington Code 70A.120.160 – Fee schedules–Certified operators–Public water systems 2020 Washington Code 70A.120.160 – Fee schedules — Certified operators — Public water systems
