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
Local students earn associate degrees through N3B Los Alamos apprenticeship program
August 18, 2022 - LOS ALAMOS, N.M. – Local students Miquela Casados and Zac Martinez recently received associate degrees after graduating from N3B Los...
More than $12,700 raised by N3B Los Alamos to support local food bank
July 15, 2022 - LOS ALAMOS, N.M. – Team members of N3B Los Alamos were pleased to present a check for $12,740 to local...
N3B Los Alamos achieves key milestones in campaign to determine closure for historically contaminated sites
July 12, 2022 - LOS ALAMOS, N.M. — N3B Los Alamos recently met key milestones in a cleanup campaign to reevaluate whether certain sites...