Versions of Tennessee Code 68-221-709 - Fluoride levels on LawServer 2024 Tennessee Code 68-221-709 – Fluoride levels 2023 Tennessee Code 68-221-709 – Fluoride levels 2021 Tennessee Code 68-221-709 – Fluoride Levels 2020 Tennessee Code 68-221-709 – Fluoride Levels 2019 Tennessee Code 68-221-709 – Fluoride levels