Mixed waste is waste that is both hazardous and radioactive .
DOE's plans were revealed in a Draft Waste Management Programmatic Environmental Impact Statement. Livermore Lab generates the most mixed waste of all these facilities, from the nuclear weapons research and development that they are still doing. ETEC researches new designs for nuclear reactors, among other things. Mare Island services nuclear power reactors in the Navy's submarines and warships. Used fuel rods are removed from the ships' reactors at Mare Island, loaded onto trains, and sent to the Idaho National Engineering Lab.