The Integrated Waste Treatment Unit (IWTU), a first-of-a-kind, 53,000-square-foot facility will be treating 900,000 gallons of liquid radioactive and hazardous waste that has been stored in underground storage tanks which are located above the Snake River Plain Aquifer.

The waste that will be treated – called sodium-bearing waste – was generated during the later stages of spent nuclear fuel reprocessing from the 1950s…