Versions of See prior versions of a law on LawServer 2023 Washington Code 90.48.455 – Discharge of chlorinated organics — Engineering reports by pulp and paper mills — Permits limiting discharge 2022 Washington Code 90.48.455 – Discharge of chlorinated organics–Engineering reports by pulp and paper mills–Permits limiting discharge 2020 Washington Code 90.48.455 – Discharge of chlorinated organics — Engineering reports by pulp and paper mills — Permits limiting discharge 2019 Washington Code 90.48.455 2018 Washington Code 90.48.455 – Discharge of chlorinated organics — Engineering reports by pulp and paper mills — Permits limiting discharge 2016 Washington Code 90.48.455 – Discharge of chlorinated organics–Engineering reports by pulp and paper mills–Permits limiting discharge 2015 Washington Code 90.48.455 – Discharge of chlorinated organics–Engineering reports by pulp and paper mills–Permits limiting discharge 2014 Washington Code 90.48.455 – Discharge of chlorinated organics — Engineering reports by pulp and paper mills — Permits limiting discharge 2013 Washington Code 90.48.455 – Discharge of chlorinated organics — Engineering reports by pulp and paper mills — Permits limiting discharge 2009 Washington Code 90.48.455 – Discharge of chlorinated organics — Engineering reports by pulp and paper mills — Permits limiting discharge