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 exceeds legacy waste shipment goals for FY22
October 5, 2022 - LOS ALAMOS, N.M. — N3B Los Alamos finished fiscal year 2022 (FY22) by exceeding the U.S. Department of Energy’s (DOE)...
N3B Los Alamos awards millions in subcontracts to support soil remediation at LANL
September 20, 2022 - LOS ALAMOS, N.M. – N3B Los Alamos recently awarded subcontracts to three small environmental firms that will assist in accelerating...
N3B Los Alamos collaborates on gaging station to monitor streamflow to Rio Grande
September 6, 2022 - LOS ALAMOS, N.M. — A recently installed real-time streamflow gaging station will inform decisions made by Buckman Direct Diversion (BDD)...