2024 49 CFR 520.5 – Guidelines for identifying major actions significantly affecting the environment

2023 49 CFR 520.5 – Guidelines for identifying major actions significantly affecting the environment

2022 49 CFR 520.5 – Guidelines for identifying major actions significantly affecting the environment

2021 49 CFR 520.5 – Guidelines for identifying major actions significantly affecting the environment

2020 49 CFR 520.5 – Guidelines for identifying major actions significantly affecting the environment

2019 49 CFR 520.5 – Guidelines for identifying major actions significantly affecting the environment

2016 49 CFR 520.5 – Guidelines for identifying major actions significantly affecting the environment

2015 49 CFR 520.5 – Guidelines for identifying major actions significantly affecting the environment

2014 49 CFR 520.5 – Guidelines for identifying major actions significantly affecting the environment