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.

About Us 1
About Us 2

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.

About Us 3

Our Leadership

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

About Us 4

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.

About Us 5

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 Awarded Two-Year Contract Extension by DOE for Ongoing Legacy Cleanup

December 12, 2024 -

N3B Celebrates Safe Performance in LANL Legacy Cleanup Mission

November 15, 2024 - Newport News Nuclear BWXT Los Alamos (N3B) President and General Manager Brad Smith welcomes employees to the Safety Fair, highlighting...

Los Alamos Completes FY24 Legacy Cleanup Milestones, Meets Regulatory Commitments

October 24, 2024 - The last shipment of soil and debris from the completed cleanup at the Middle DP Road Site leaves for an...

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