Versions of See prior versions of a law on LawServer 2024 45 CFR Part 641 – Environmental Assessment Procedures for Proposed National Science Foundation Actions in Antarctica 2023 45 CFR PART 641 – ENVIRONMENTAL ASSESSMENT PROCEDURES FOR PROPOSED NATIONAL SCIENCE FOUNDATION ACTIONS IN ANTARCTICA 2022 45 CFR Part 641 – Environmental Assessment Procedures for Proposed National Science Foundation Actions in Antarctica 2021 45 CFR Part 641 – Environmental Assessment Procedures for Proposed National Science Foundation Actions in Antarctica 2020 45 CFR Part 641 – Environmental Assessment Procedures for Proposed National Science Foundation Actions in Antarctica
