Versions of 40 CFR 125.31 - Criteria on LawServer 2024 40 CFR 125.31 – Criteria 2023 40 CFR 125.31 – Criteria 2022 40 CFR 125.31 – Criteria 2021 40 CFR 125.31 – Criteria 2020 40 CFR 125.31 – Criteria 2019 40 CFR 125.31 – Criteria 2016 40 CFR 125.31 – Criteria 2015 40 CFR 125.31 – Criteria 2014 40 CFR 125.31 – Criteria 2010 40 CFR 125.31 – Criteria 2009 40 CFR 125.31 – Criteria