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 Los Alamos hosts public meeting on cleanup status of 19 historical LANL sites in Pueblo Canyon
November 5, 2021 - LOS ALAMOS, N.M. — The U.S. Department of Energy’s Office of Environmental Management Los Alamos Field Office (EM-LA) and cleanup...
Excavation of contaminated soil protects watersheds in seven Los Alamos canyons
October 19, 2021 -
N3B and EM-LA to hold virtual Environmental Management Cleanup Forum on September 29, 2021
September 28, 2021 -