Versions of Utah Code 19-2-109. Air quality standards -- Hearings on adoption -- Notice requirements -- Orders of director -- Adoption of emission control requirements on LawServer 2023 Utah Code 19-2-109. Air quality standards — Hearings on adoption — Notice requirements — Orders of director — Adoption of emission control requirements 2022 Utah Code 19-2-109. Air quality standards — Hearings on adoption — Orders of director — Adoption of emission control requirements 2020 Utah Code 19-2-109. Air quality standards — Hearings on adoption — Orders of director — Adoption of emission control requirements 2018 Utah Code 19-2-109. Air quality standards — Hearings on adoption — Orders of director — Adoption of emission control requirements 2016 Utah Code 19-2-109. Air quality standards — Hearings on adoption — Orders of director — Adoption of emission control requirements 2015 Utah Code 19-2-109. Air quality standards — Hearings on adoption — Orders of director — Adoption of emission control requirements 2014 Utah Code 19-2-109. Air quality standards — Hearings on adoption — Orders of director — Adoption of emission control requirements 2013 Utah Code 19-2-109. Air quality standards — Hearings on adoption — Orders of director — Adoption of emission control requirements 2010 Utah Code 19-2-109. Air quality standards — Hearings on adoption — Orders of executive secretary — Adoption of emission control requirements