WASHINGTON, March 31 -- The Department of Energy Office of Environmental Management issued the following news release: * * * Idaho Facility Advances Liquid Waste Treatment Mission, Protects Aquifer IDAHO FALLS, Idaho -- The Idaho Cleanup Project (ICP) has successfully converted a third of the radioactive liquid waste stored at the Idaho National Laboratory (INL) Site into a safer solid form, advancing its mission to safely meet cleanup commitments with the state of Idaho while helping protect  more