US lawWashingtonRegulationsTitle 246 — HEALTH, DEPARTMENT OFChapter 246-252 — RADIATION PROTECTION—URANIUM OR THORIUM MILLING246-252-020WAC 246-252-020WAC 246-252-020. Purpose of uranium mill tailings areasLast amended: 1991Year: 2026Length: 22 wordsOfficial source Uranium mill tailing areas shall be used only for disposal of radioactive wastes originating from the exploration, mining, and milling of uranium.PreviousWAC 246-252-010NextWAC 246-252-030