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?
Environmental Management Cleanup Forum 12/17/2025 READ MORE >
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 >
N3B News
N3B and EM-LA host DOE EM senior advisor for tour of environmental cleanup progress
February 15, 2022 - LOS ALAMOS, N.M. — William “Ike” White, senior advisor for the Department of Energy’s Office of Environmental Management (EM), visited...
Community Commitment funding supports local organizations
February 14, 2022 - LOS ALAMOS, N.M. — Newport News Nuclear BWXT Los Alamos (N3B) contributed $483,235 to Northern New Mexico community groups and...
Angled drilling of new monitoring well protects groundwater, ancient cultural sites
February 1, 2022 - LOS ALAMOS, N.M. — N3B environmental professionals recently completed a complex project to protect Northern New Mexico’s critical water resources...