Versions of 40 CFR Part 84 - Phasedown of Hydrofluorocarbons on LawServer 2024 40 CFR Part 84 – Phasedown of Hydrofluorocarbons 2023 40 CFR PART 84 – PHASEDOWN OF HYDROFLUOROCARBONS 2022 40 CFR Part 84 – Phasedown of Hydrofluorocarbons 2021 40 CFR Part 84 – Phasedown of Hydrofluorocarbons