Versions of Washington Code 78.56.090 - Initial waste discharge permits for tailings facilities -- Siting criteria -- Primary screening process -- Technical site investigation -- Site selection report on LawServer 2023 Washington Code 78.56.090 – Initial waste discharge permits for tailings facilities — Siting criteria — Primary screening process — Technical site investigation — Site selection report 2022 Washington Code 78.56.090 – Initial waste discharge permits for tailings facilities–Siting criteria–Primary screening process–Technical site investigation–Site selection report 2020 Washington Code 78.56.090 – Initial waste discharge permits for tailings facilities — Siting criteria — Primary screening process — Technical site investigation — Site selection report 2019 Washington Code 78.56.090 2018 Washington Code 78.56.090 – Initial waste discharge permits for tailings facilities — Siting criteria — Primary screening process — Technical site investigation — Site selection report 2016 Washington Code 78.56.090 – Initial waste discharge permits for tailings facilities–Siting criteria–Primary screening process–Technical site investigation–Site selection report 2015 Washington Code 78.56.090 – Initial waste discharge permits for tailings facilities–Siting criteria–Primary screening process–Technical site investigation–Site selection report 2014 Washington Code 78.56.090 – Initial waste discharge permits for tailings facilities — Siting criteria — Primary screening process — Technical site investigation — Site selection report 2013 Washington Code 78.56.090 – Initial waste discharge permits for tailings facilities — Siting criteria — Primary screening process — Technical site investigation — Site selection report 2009 Washington Code 78.56.090 – Initial waste discharge permits for tailings facilities — Siting criteria — Primary screening process — Technical site investigation — Site selection report