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’s support of Northern New Mexico communities outlined in 2022 annual report
February 6, 2023 - LOS ALAMOS, N.M. – N3B Los Alamos contributed nearly $370,000 to community nonprofits and workforce development initiatives in Northern New...
2022 highlights of N3B Los Alamos’ legacy environmental cleanup at LANL
January 12, 2023 - LOS ALAMOS, N.M. — In its fourth year addressing environmental impacts from Los Alamos National Laboratory’s (LANL) Manhattan Project and...
N3B Los Alamos brightens holidays for Española’s Conjunto Preschool children
January 3, 2023 - LOS ALAMOS, N.M. – Employees at N3B Los Alamos brightened the holiday season for the children and families of Española’s...