Versions of See prior versions of a law on LawServer 2024 Tennessee Code 68-221-419 – Requirements for the installation and operation of advanced treatment systems (ATS) 2023 Tennessee Code 68-221-419 – Requirements for the installation and operation of advanced treatment systems (ATS) 2021 Tennessee Code 68-221-419 – Requirements for the Installation and Operation of Advanced Treatment Systems (Ats) 2020 Tennessee Code 68-221-419 – Requirements for the Installation and Operation of Advanced Treatment Systems (Ats) 2019 Tennessee Code 68-221-419 – Requirements for the installation and operation of advanced treatment systems (ATS) 2010 Tennessee Code 68-221-419 – Requirements for the installation and operation of advanced treatment systems (ATS)
