Versions of 40 CFR 72.4 - Federal authority on LawServer 2024 40 CFR 72.4 – Federal authority 2023 40 CFR 72.4 – Federal authority 2022 40 CFR 72.4 – Federal authority 2021 40 CFR 72.4 – Federal authority 2015 40 CFR 72.4 – Federal authority 2014 40 CFR 72.4 – Federal authority
