Clean up the Land
Clean Up the Land
Protect Water Quality
Protect Water Quality
Protect Water Quality
Ship Waste Off-Site

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?

Environmental Management Cleanup Forum 1/29/2025 READ MORE >

Watch video or view presentation from the Environmental Management Cleanup Forum held Oct 24 READ MORE >

N3B celebrates opening of new occupational medicine clinic for employees  READ MORE >

N3B demonstrates new system to enhance analysis of waste drums  READ MORE >

N3B News

Los Alamos Checks Off EM 2024 Priority with Corrugated Metal Pipe Size Reduction

December 17, 2024 - Environmental Management Los Alamos Field Office team members are pictured in front of the 158th and final corrugated metal pipe...

N3B Awarded Two-Year Contract Extension by DOE for Ongoing Legacy Cleanup

December 12, 2024 - LOS ALAMOS, N.M. — Newport News Nuclear BWXT-Los Alamos, LLC (N3B) has received a two-year extension from the U.S. Department...

N3B Celebrates Safe Performance in LANL Legacy Cleanup Mission

November 15, 2024 - Newport News Nuclear BWXT Los Alamos (N3B) President and General Manager Brad Smith welcomes employees to the Safety Fair, highlighting...