Versions of 40 CFR Part 1508 - Definitions on LawServer 2024 40 CFR Part 1508 – Definitions 2023 40 CFR PART 1508 – DEFINITIONS 2022 40 CFR Part 1508 – Definitions 2021 40 CFR Part 1508 – Definitions 2020 40 CFR Part 1508 – Terminology and Index