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 awards second cleanup subcontract at TA-21 to LATA
March 21, 2019 - LOS ALAMOS, N.M. — Building 257 is a former radioactive liquid waste processing facility that will be torn down as...
N3B awards $1.5 million in cleanup work to TerranearPMC/Envirocon
October 16, 2018 - LOS ALAMOS, N.M.—Newport News Nuclear BWXT Los Alamos (N3B) has awarded a subcontract to TerranearPMC of Los Alamos, New Mexico,...
N3B Begins LANL Waste Shipments to WIPP
October 10, 2018 - LOS ALAMOS, N.M.—Newport News Nuclear BWXT Los Alamos (N3B) last week began shipments of transuranic waste from Los Alamos National...