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
Dorian Newton honored as a Black Engineer of the Year
February 13, 2020 - LOS ALAMOS, N.M.—Dr. Dorian G. Newton has been named Black Engineer of the Year in the category of Educational Leadership...
N3B boot camp program serves as economic driver, prepares local workforce to clean up waste sites at LANL
December 9, 2019 - LOS ALAMOS, N.M.–Eight area students from Española, Chimayó, Nambé, Los Alamos and Abiquiú recently completed a program that prepares them...
N3B boot camp graduate aims to clean up Northern New Mexico’s environment
December 9, 2019 -