Versions of 40 CFR 258.50 - Applicability on LawServer 2024 40 CFR 258.50 – Applicability 2023 40 CFR 258.50 – Applicability 2022 40 CFR 258.50 – Applicability 2021 40 CFR 258.50 – Applicability 2020 40 CFR 258.50 – Applicability 2019 40 CFR 258.50 – Applicability 2016 40 CFR 258.50 – Applicability 2015 40 CFR 258.50 – Applicability 2014 40 CFR 258.50 – Applicability