Versions of 40 CFR Part 192 - Health and Environmental Protection Standards for Uranium and Thorium Mill Tailings on LawServer 2024 40 CFR Part 192 – Health and Environmental Protection Standards for Uranium and Thorium Mill Tailings 2023 40 CFR PART 192 – HEALTH AND ENVIRONMENTAL PROTECTION STANDARDS FOR URANIUM AND THORIUM MILL TAILINGS 2022 40 CFR Part 192 – Health and Environmental Protection Standards for Uranium and Thorium Mill Tailings 2021 40 CFR Part 192 – Health and Environmental Protection Standards for Uranium and Thorium Mill Tailings 2020 40 CFR Part 192 – Health and Environmental Protection Standards for Uranium and Thorium Mill Tailings