Versions of 40 CFR 61.253 - Determining compliance on LawServer 2024 40 CFR 61.253 – Determining compliance 2023 40 CFR 61.253 – Determining compliance 2022 40 CFR 61.253 – Determining compliance 2021 40 CFR 61.253 – Determining compliance 2015 40 CFR 61.253 – Determining compliance 2014 40 CFR 61.253 – Determining compliance 2010 40 CFR 61.253 – Determining compliance