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.

Environmental Remediation and Waste Management 1

Latest News

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 -

N3B and UNM-Los Alamos team up for Radiological Control Technician Boot Camp

August 27, 2019 - LOS ALAMOS, N.M.—Nuclear News Nuclear BWXT Los Alamos (N3B) and the University of New Mexico-Los Alamos (UNM-LA) have partnered to...

No results found.

Videos