Thorium-228 production (IMAGE) DOE/Oak Ridge National Laboratory Caption ORNL technician Summer Widner cleans a thorium-228 vial in the glove box prior to shipment. ORNL provides Th-228 for lead generators used in cancer treatment, among other applications. Credit ORNL/U.S. Dept. of Energy Usage Restrictions Credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.