N3B manages the 10-year, $1.4 billion Los Alamos Legacy Cleanup Contract for the U.S. Department of Energy Environmental Management’s Los Alamos Field Office. N3B is responsible for cleaning up contamination that resulted from LANL operations before 1999. N3B personnel also package and ship radioactive and hazardous waste offsite for permanent disposal.

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Safety

Our employees and subcontractors work to the highest standards of safety.

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Discipline

We set clear goals and execute our plans with the end in mind.

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Competence

We have the staff and expertise to ensure our mission is met.

Our Top Priorities

In cleaning up legacy waste, or waste generated before 1999, we are working in two key areas: Environmental Remediation and Waste Management. Our goal is to clean up the environment and protect our natural resources.

Environmental Remediation

Groundwater and surface water monitoring, chromium and RDX plume monitoring, and waste site characterization and remediation

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Waste Management

Hazardous and radioactive waste characterization, management, packaging and transportation offsite for permanent disposal

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News & Highlights

N3B continues groundwater sampling along Rio Grande amid drought - November 23, 2021

LOS ALAMOS, N.M. – Despite unseasonably low water levels this year, N3B Los Alamos has been able to navigate shallow... Read More ›

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... Read More ›

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... Read More ›