Versions of 40 CFR 61.275 - Periodic report on LawServer 2024 40 CFR 61.275 – Periodic report 2023 40 CFR 61.275 – Periodic report 2022 40 CFR 61.275 – Periodic report 2021 40 CFR 61.275 – Periodic report 2015 40 CFR 61.275 – Periodic report 2014 40 CFR 61.275 – Periodic report 2010 40 CFR 61.275 – Periodic report