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

Last step completed in Middle DP Road Site cleanup

March 4, 2024 - Los Alamos, N.M.—On February 14, the New Mexico Environment Department (NMED) agreed that investigation and remediation of soil and debris...

Robust sampling, monitoring drives legacy waste cleanup at LANL

February 27, 2024 - LOS ALAMOS, N.M. — Newport News Nuclear BWXT Los Alamos (N3B) crews collected more than 8,670 soil, sediment, surface water...

LANL Individual Permit virtual public meeting scheduled for February 28

February 26, 2024 - EM-LA and N3B will host an annual meeting to report on the status of the LANL Individual Permit. The virtual...