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
Mexican spotted owl protected during Los Alamos cleanup
April 5, 2021 - LOS ALAMOS, N.M. — To protect a treasured ecological species of Northern New Mexico, Newport News Nuclear BWXT Los Alamos...
New N3B apprentices receive college education, jobs to assist in legacy waste cleanup
February 11, 2021 - LOS ALAMOS, N.M.—A new cohort of students recently joined N3B’s Nuclear Operator Apprenticeship Program. And for Miquela Casados, from Ojo...
N3B ships more than 200,000 gallons of ‘transition materials’ off-site at LANL
February 2, 2021 - LOS ALAMOS, N.M. – Newport News Nuclear BWXT Los Alamos (N3B) recently took on new work to ship hundreds of...