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?

Next Environmental Management Cleanup Forum scheduled for July 25 in Los Alamos and virtually 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 awards two new subcontracts valued at $36.5 million  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...