Versions of 40 CFR 1507.4 - Agency NEPA program information on LawServer 2024 40 CFR 1507.4 – Agency NEPA program information 2023 40 CFR 1507.4 – Agency NEPA program information 2022 40 CFR 1507.4 – Agency NEPA program information 2021 40 CFR 1507.4 – Agency NEPA program information