Managing Los Alamos legacy waste
Learn how we execute the Los Alamos Legacy Cleanup Contract safely and securely.
Who we are
We manage the 10-year, $2.1 billion Los Alamos Legacy Cleanup Contract for the U.S. Department of Energy Environmental Management Los Alamos Field Office.
What’s New?
Environmental Management Cleanup Forum 3/18/2026 READ MORE >
N3B Releases 2025 Community Commitment Annual Report READ MORE >
Updates on Hexavalent Chromium Campaign READ MORE >
Environmental Management Cleanup Forum 12/17/2025 READ MORE >
Los Alamos Provides Legacy Waste Program Updates at Public Forum READ MORE >
What we do
We clean up, package and ship radioactive and hazardous Los Alamos National Laboratory legacy waste
Land
Water
Waste
Work with us
We’re a diverse team of problem-solvers and innovators, united by our commitment to N3B’s vital mission of legacy waste cleanup and community enhancement.
Latest News
N3B to hold two meetings outlining funding opportunities for NNM nonprofits
October 19, 2023 - N3B will be holding two public meetings to share its Community Commitment Program with area nonprofit organizations, along with information...
Local students complete N3B waste operator boot camp
October 3, 2023 - LOS ALAMOS, N.M. – Twelve newly trained nuclear waste processing operators received their nuclear waste processor or handler certifications last...
N3B contributes $177,535 in first half of 2023
September 14, 2023 - LOS ALAMOS, N.M. – Newport News Nuclear BWXT Los Alamos (N3B) provided more than $177,000 to 31 organizations through the first...
