Versions of See prior versions of a law on LawServer 2024 Utah Code 4-5-204. Substances considered unsafe — Authority in department to regulate quantity and use 2023 Utah Code 4-5-204. Substances considered unsafe — Authority in department to regulate quantity and use 2022 Utah Code 4-5-204. Substances considered unsafe — Authority in department to regulate quantity and use 2020 Utah Code 4-5-204. Substances considered unsafe — Authority in department to regulate quantity and use 2018 Utah Code 4-5-204. Substances considered unsafe — Authority in department to regulate quantity and use