US close to ending buried nuke waste cleanup at Idaho site [View all]
BOISE, IDAHO -- A lengthy project to dig up and remove radioactive and hazardous waste buried for decades in unlined pits at a nuclear facility that sits atop a giant aquifer in eastern Idaho is nearly finished, U.S. officials said.
The U.S. Department of Energy said last week that it removed the final amount of specifically-targeted buried waste from a 97-acre (39-hectare) landfill at its 890-square-mile (2,300-square-kilometer) site that includes the Idaho National Laboratory.
The targeted radioactive waste included plutonium-contaminated filters, graphite molds, sludges containing solvents and oxidized uranium generated during nuclear weapons production work at the Rocky Flats Plant in Colorado. Some radioactive and hazardous remains in the Idaho landfill that will receive an earthen cover.
The waste from Rocky Flats was packaged in storage drums and boxes before being sent from 1954 to 1970 to the high-desert, sagebrush steppe of eastern Idaho where it was buried in unlined pits and trenches. The area lies about 50 miles (80 kilometers) west of the city of Idaho Falls.
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