Versions of 40 CFR 751.5 - Definitions on LawServer 2024 40 CFR 751.5 – Definitions 2023 40 CFR 751.5 – Definitions 2022 40 CFR 751.5 – Definitions 2021 40 CFR 751.5 – Definitions 2020 40 CFR 751.5 – Definitions