Versions of 33 CFR Part 230 - Procedures for Implementing Nepa on LawServer 2024 33 CFR Part 230 – Procedures for Implementing Nepa 2023 33 CFR PART 230 – PROCEDURES FOR IMPLEMENTING NEPA 2022 33 CFR Part 230 – Procedures for Implementing NEPA 2021 33 CFR Part 230 – Procedures for Implementing NEPA 2020 33 CFR Part 230 – Procedures for Implementing Nepa