Versions of 40 CFR 1502.4 - Major Federal actions requiring the preparation of environmental impact statements on LawServer 2024 40 CFR 1502.4 – Major Federal actions requiring the preparation of environmental impact statements 2023 40 CFR 1502.4 – Major Federal actions requiring the preparation of environmental impact statements 2022 40 CFR 1502.4 – Major Federal actions requiring the preparation of environmental impact statements 2021 40 CFR 1502.4 – Major Federal actions requiring the preparation of environmental impact statements 2020 40 CFR 1502.4 – Major Federal actions requiring the preparation of environmental impact statements 2019 40 CFR 1502.4 – Major Federal actions requiring the preparation of environmental impact statements 2016 40 CFR 1502.4 – Major Federal actions requiring the preparation of environmental impact statements 2015 40 CFR 1502.4 – Major Federal actions requiring the preparation of environmental impact statements 2014 40 CFR 1502.4 – Major Federal actions requiring the preparation of environmental impact statements