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 diverts nearly five tons of plastic from landfill through recycling initiative
May 12, 2021 - LOS ALAMOS, N.M. — As part of a new recycling initiative, Newport News Nuclear BWXT Los Alamos (N3B) diverted nearly...
Los Alamos Interim Measure to Control Contaminant Plume Reaches Full Operation
May 4, 2021 - LOS ALAMOS, N.M. — An interim measure to control migration of a groundwater plume containing hexavalent chromium beneath Los Alamos...
Project impacts to DP Road starting April 12
April 9, 2021 - LOS ALAMOS, N.M. — On April 12, DOE’s Environmental Management Los Alamos Field Office and its contractor, N3B Los Alamos, will...