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?

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 >

Hexavalent chromium project expert technical review on agenda for April 18 EMCF READ MORE >

N3B awards scholarships to three local students READ MORE >

N3B gave $500,000 to Northern New Mexico communities in 2023 READ MORE >



N3B News

N3B surpasses small business goals amid record procurements

January 16, 2024 - LOS ALAMOS, N.M.— Newport News Nuclear BWXT Los Alamos (N3B), the legacy waste cleanup contractor at Los Alamos National Laboratory,...

N3B completes field work at two soil cleanup campaigns

December 19, 2023 - N3B is making steady progress in a key program central to the legacy cleanup mission at Los Alamos National Laboratory....

N3B makes waste cleanup progress at LANL in fiscal year 2023

October 31, 2023 - LOS ALAMOS, N.M. – Newport News Nuclear BWXT Los Alamos (N3B) successfully completed several key legacy waste cleanup accomplishments at Los...