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

Community, Workforce Engagement Main Focus for Top EM Official

July 30, 2024 -

EM, Industry Fostering STEM Careers in Northern New Mexico

July 23, 2024 - On Panel 2, “Future of Tech and Opportunities in Northern New Mexico,” U.S. Department of Energy Office of Environmental Management...

In Photos: Advisory Board Partakes in Los Alamos Legacy Waste Site Tour

July 2, 2024 - Members of the Northern New Mexico Citizens’ Advisory Board along with Environmental Management Los Alamos Field Office and Newport News...