Los Alamos Legacy Cleanup Contract
N3B manages the 10-year, $2.1 billion Los Alamos Legacy Cleanup Contract for the U.S. Department of Energy Environmental Management Los Alamos Field Office. N3B is responsible for cleaning up contamination that resulted from LANL operations before 1999. N3B personnel also package and ship radioactive and hazardous waste off-site for permanent disposal.
What’s New?
Los Alamos Provides Legacy Waste Program Updates at Public Forum READ MORE >
Los Alamos Tour Informs Senate Committee Staff About Legacy Cleanup READ MORE >
Los Alamos Completes 200th Transuranic Waste Shipment to WIPP READ MORE >
Environmental Management Cleanup Forum 9/10/2025 READ MORE >
N3B Commences Shipment of Corrugated Metal Pipe Waste Stream from LANL to WIPP READ MORE >
N3B News
Los Alamos Tour Informs Senate Committee Staff About Legacy Cleanup
September 9, 2025 - With Congress playing a vital role in the U.S. Department of Energy’s environmental cleanup efforts, congressional Senate committee staff...
Los Alamos Completes 200th Transuranic Waste Shipment to WIPP
August 19, 2025 - The 200th transuranic shipment from Technical Area 54, Area G, at Los Alamos National Laboratory heads to the Waste Isolation...
N3B Commences Shipment of Corrugated Metal Pipe Waste Stream from LANL to WIPP
June 11, 2025 - N3B has begun off-site shipments of transuranic (TRU) waste from previously buried corrugated metal pipes (CMPs) for permanent disposal. This...