Oak Ridge’s Isotek dramatically increases world supply of Th-229

May 7, 2025, 12:02PMNuclear News
Isotek employees load canisters of Th-229 that will go to TerraPower to support cancer treatment research. (Photo: DOE)

Workers with Oak Ridge Office of Environmental Management contractor Isotek have surpassed a significant milestone in the supply of medical radioisotopes, extracting more than 15 grams of rare thorium-229 through the Department of Energy’s Thorium Express Project.