Health Risks & Environmental Legacy of Uranium Mining

Uranium mining and milling pose significant, long-term health and environmental challenges due to radioactive materials and their decay products.

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1. Primary Health Risks from Uranium Exposure: The primary health risks from uranium exposure include lung cancer from inhaling radon progeny, and various cancers or organ damage from ingesting or inhaling uranium isotopes, which emit alpha radiation.
2. Long-Term Environmental Contamination Issues: Uranium mill tailings, the waste products from processing uranium ore, can cause widespread environmental contamination due to their large volume and the long half-lives of principal radioactive components like thorium-230 (75,000 years) and radium-226 (1,600 years).
3. Key Radioactive Isotopes and Half-Lives: Natural uranium consists mainly of three radioactive isotopes: Uranium-238 with a half-life of approximately 4.5 billion years, Uranium-235 with a half-life of 700 million years, and Uranium-234 with a half-life of 245,500 years.

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