Vitrification of Radioactive Waste (IMAGE) DOE/Pacific Northwest National Laboratory Caption The red material is radioactive tank waste from an underground storage tank at Hanford being illuminated by the molten glass below as it is vitrified into a solid glass for the first time in continuous process, very similar to the Direct Feel Low-Activity Waste system that will be used at Hanford, a former weapons production site in Washington State. Credit PNNL Usage Restrictions None License Licensed 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.