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

LANL Individual Permit status meeting scheduled for October 28

October 28, 2020 - LOS ALAMOS, N.M.—The Department of Energy’s Environmental Management Los Alamos Field Office (EM-LA) and its cleanup contractor Newport News Nuclear...

Groundwater monitoring year for LANL starts with sampling along Rio Grande

October 19, 2020 - LOS ALAMOS, N.M. — A team of environmental professionals recently completed a multiday campaign that included roughly 24 miles of...

N3B builds new controls to mitigate storm water runoff from LANL

September 21, 2020 - LOS ALAMOS, N.M. — With New Mexico’s monsoon season bringing brief periods of torrential rain, construction of new berms began over...