Versions of 45 CFR Part 671 - Waste Regulation on LawServer 2024 45 CFR Part 671 – Waste Regulation 2023 45 CFR PART 671 – WASTE REGULATION 2022 45 CFR Part 671 – Waste Regulation 2021 45 CFR Part 671 – Waste Regulation 2020 45 CFR Part 671 – Waste Regulation