Who We Are

We work for the U.S. Department of Energy Environmental Management Los Alamos Field Office to clean up legacy waste and protect water quality

Who We Are

Our scope includes the clean up of legacy waste and protecting water quality in and around Los Alamos National Laboratory (LANL), as well as shipping waste off-site for permanent disposal. Legacy waste is defined as waste that was generated before 1999.

Contractor for the U.S. Department of Energy

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.

Our Leadership

A group of talented, qualified individuals lead our efforts to clean up legacy waste and protect water quality at LANL.

Companies

N3B is a limited liability company owned by HII Nuclear, a division of Huntington Ingalls Industries, and BWX Technologies. Critical subcontractors are Tech2 Solutions and Longenecker & Associates.

DOE EM-LA Field Office

DOE EM-LA was established in 2014 by the DOE to specifically manage the cleanup of legacy contamination and waste resulting from nuclear weapons development and government-sponsored nuclear research at LANL.

Latest News

N3B celebrates opening of new occupational medicine clinic for employees

June 5, 2024 - LOS ALAMOS, N.M. – Newport News Nuclear BWXT Los Alamos (N3B) is pleased to announce the opening of a new...

Los Alamos Stormwater Sampling Season is Underway

June 4, 2024 - A Newport News Nuclear BWXT Los Alamos Environmental Remediation group member collects stormwater samples in Los Alamos Canyon. LOS ALAMOS,...

In Pictures: EM’s Avery Views Los Alamos Legacy Waste Disposition Progress

May 21, 2024 - U.S. Department of Energy Office of Environmental Management (EM) Principal Deputy Assistant Secretary Jeff Avery, left, visits Technical Area 54,...

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