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The U.S. Environmental Protection Agency and Department of Energy Oak Ridge Office of Environmental Management have confirmed half of the federal acreage on the 33,000-acre Oak Ridge Reservation was not impacted by historic operations and does not require environmental cleanup. December 9, 2025

The Hanford Site’s Waste Treatment and Immobilization Plant has reached another major commissioning milestone, producing more than 20 stainless steel containers of immobilized low-activity waste. December 9, 2025

The U.S. Department of Energy Office of Environmental Management will demolish two buildings and address potentially contaminated soil in the project footprint in the Bettis Atomic Power Laboratory’s C-Area, where legacy facilities were used to support design and development of nuclear propulsion systems for the U.S. Navy. December 9, 2025

As Idaho Cleanup Project demolition crews prepared to demolish the building over the defueled Submarine 1st Generation Westinghouse naval nuclear propulsion prototype reactor plant earlier this year, a nest of ravens was discovered atop the 100-foot structure. December 9, 2025

Cleanup crews continued shrinking the legacy footprint on the 300-square-mile Savannah River Site when they recently removed a water tower that had become a safety hazard after it was taken out of service years ago. December 9, 2025

The Portsmouth Site announced the start of structural demolition on the X-333 Process Building last month, almost 70 years to the day it was turned over to the Atomic Energy Commission, a predecessor agency to the U.S. Department of Energy, to assume the facility’s role in fueling America’s fight in the Cold War. December 9, 2025