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

LANL Individual Permit for Storm Water public meeting on November 30

November 22, 2021 - LOS ALAMOS, N.M. — The Department of Energy’s Environmental Management Los Alamos Field Office (EM-LA) and cleanup contractor Newport News...

N3B supports local nonprofit during day of volunteering

November 18, 2021 - LOS ALAMOS, N.M. — Several N3B employees recently volunteered with Los Alamos nonprofit Lemonade Living to improve the organization’s grounds...

N3B Los Alamos hosts public meeting on cleanup status of 19 historical LANL sites in Pueblo Canyon

November 5, 2021 - LOS ALAMOS, N.M. — The U.S. Department of Energy’s Office of Environmental Management Los Alamos Field Office (EM-LA) and cleanup...

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