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
Newly reconfigured monitoring well will better protect groundwater
March 10, 2020 - LOS ALAMOS, N.M. — Newport News Nuclear BWXT Los Alamos (N3B) recently reconfigured a groundwater monitoring well in the southeastern...
Growing diversity through workforce development programs
February 27, 2020 - LOS ALAMOS, N.M. – In an effort to create a homegrown and well-paid workforce that represents greater diversity, Newport News...
N3B contributes nearly $415,000 to community groups in 2019
February 23, 2020 - LOS ALAMOS, N.M.—In 2019, 45 Northern New Mexico community groups received $414,444 from Newport News Nuclear BWXT Los Alamos (N3B)....