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 12/17/2025 READ MORE >
Los Alamos Provides Legacy Waste Program Updates at Public Forum READ MORE >
Los Alamos Tour Informs Senate Committee Staff About Legacy Cleanup READ MORE >
Los Alamos Completes 200th Transuranic Waste Shipment to WIPP 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
EM-LA, N3B to discuss FY23 cleanup progress at Cleanup Forum on Nov. 1
October 24, 2023 - EM-LA and N3B will hold an Environmental Management Cleanup Forum on Nov. 1 to discuss recent legacy waste cleanup progress...
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...