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
Hexavalent chromium project expert technical review on agenda for April 18 EMCF
April 15, 2024 - LOS ALAMOS, N.M.—An update on the Hexavalent Chromium Project Expert Technical Review is on the agenda for the next Environmental...
N3B awards scholarships to three local students
March 18, 2024 - LOS ALAMOS, N.M.—Three area students have received this year’s Danny Nichols and Dennis Huddleston Memorial Scholarship, sponsored by Newport News...
N3B report outlines $500,000 in company giving in 2023
March 11, 2024 - March 11, 2024 LOS ALAMOS, N.M.—Newport News Nuclear BWXT Los Alamos (N3B), the legacy cleanup contractor at the Los Alamos...