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

2010 40 CFR 1502.4 – Major Federal actions requiring the preparation of environmental impact statements

2009 40 CFR 1502.4 – Major Federal actions requiring the preparation of environmental impact statements