Versions of 40 CFR 1501.1 - NEPA thresholds on LawServer 2024 40 CFR 1501.1 – NEPA thresholds 2023 40 CFR 1501.1 – NEPA thresholds 2022 40 CFR 1501.1 – NEPA thresholds 2021 40 CFR 1501.1 – NEPA thresholds 2020 40 CFR 1501.1 – Purpose 2019 40 CFR 1501.1 – Purpose 2016 40 CFR 1501.1 – Purpose 2015 40 CFR 1501.1 – Purpose 2014 40 CFR 1501.1 – Purpose 2010 40 CFR 1501.1 – Purpose 2009 40 CFR 1501.1 – Purpose
