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
N3B and Triad cooperate to ship radioactive waste to WIPP
January 19, 2021 - LOS ALAMOS, N.M. — N3B and Triad have successfully partnered to combine transuranic (TRU) waste shipment for additional efficiency. The...
N3B completes first campaign under 2016 Consent Order to clean up LANL legacy waste
December 16, 2020 - LOS ALAMOS, N.M. — A campaign to clean up several sites with elevated levels of soil contamination at Los Alamos...
LANL Individual Permit status meeting scheduled for December 16
December 14, 2020 - LOS ALAMOS, N.M.—The Department of Energy’s Environmental Management Los Alamos Field Office (EM-LA) and its cleanup contractor Newport News Nuclear...