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We are the Los Alamos Legacy Cleanup Contractor
Clean Up The Environment - Protect Our Future
Shipping Waste
Community Committment
We are committed to our community
Clean Up The Environment - Protect Our Future
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Shipping Waste
We perform Environmental Remediation and Waste Management
Community Committment
We are committed to our community
Clean Up The Environment - Protect Our Future
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N3B manages the Los Alamos Legacy Cleanup Contract for the U.S. Department of Energy.

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 off-site 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

Waste Management

Hazardous and radioactive waste characterization, management, packaging and transportation off-site for permanent disposal

News & Highlights

Los Alamos Interim Measure to Control Contaminant Plume Reaches Full Operation - May 4, 2021

LOS ALAMOS, N.M. — An interim measure to control migration of a groundwater plume containing hexavalent chromium beneath Los Alamos... Read More ›

Project impacts to DP Road starting April 12 - April 9, 2021

Mexican spotted owl protected during Los Alamos cleanup - April 5, 2021

LOS ALAMOS, N.M. — To protect a treasured ecological species of Northern New Mexico, Newport News Nuclear BWXT Los Alamos... Read More ›