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 Bids Farewell to Three Summer Interns Who Made Significant Contributions
August 29, 2024 - LOS ALAMOS, N.M. – Newport News Nuclear BWXT Los Alamos (N3B), the legacy cleanup contractor at the Los Alamos National...
Community, Workforce Engagement Main Focus for Top EM Official
July 30, 2024 -
EM, Industry Fostering STEM Careers in Northern New Mexico
July 23, 2024 - On Panel 2, “Future of Tech and Opportunities in Northern New Mexico,” U.S. Department of Energy Office of Environmental Management...