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’s water quality program ramps up amid exceptional drought
August 17, 2021 - LOS ALAMOS, N.M. — With hopes for rain amid exceptional drought conditions, the EM Los Alamos Field Office (EM-LA) and...
N3B donates $10,000 to local nonprofit, supports residents in need
August 16, 2021 - N3B Staff presented a check last week to LA Cares, a local non-profit that provides assistance to residents in need...
Apprenticeship program in environmental cleanup offering associate’s degree
June 24, 2021 - LOS ALAMOS, N.M. — An N3B apprenticeship program that trains students in the U.S. Department of Energy’s (DOE’s) Environmental Management...