We are the Los Alamos Legacy Cleanup Contractor

Clean Up The Environment - Protect Our Future

We perform Environmental Remediation and Waste Management

Learn about our Environmental Remediation Projects

Learn about our Waste Management Projects

We are committed to our community

Clean Up The Environment - Protect Our Future

Read the Report

We perform Environmental Remediation and Waste Management

Environmental Remediation

Waste Management Projects

We are committed to our community

Clean Up The Environment - Protect Our Future

Read the Report

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 offsite for permanent disposal.

Safety

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

Discipline

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

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 completes first campaign under 2016 Consent Order to clean up LANL legacy waste - December 16, 2020

LOS ALAMOS, N.M. — A campaign to clean up several sites with elevated levels of soil contamination at Los Alamos... Read More ›

LANL Individual Permit status meeting scheduled for December 16 - December 14, 2020

LOS ALAMOS, N.M.—The Department of Energy’s Environmental Management Los Alamos Field Office (EM-LA) and its cleanup contractor Newport News Nuclear... Read More ›

LANL Individual Permit status meeting scheduled for October 28 - October 28, 2020

LOS ALAMOS, N.M.—The Department of Energy’s Environmental Management Los Alamos Field Office (EM-LA) and its cleanup contractor Newport News Nuclear... Read More ›

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Social Media Feed

N3B Los Alamos

N3B Los Alamos2 days ago

EM has published its 2020 Year in Review, summarizing the accomplishments of cleanup work across the DOE complex over the course of the year, including numerous major program priorities.

The Year in Review highlights achievements at each EM site and at EM...

Environmental Management Los Alamos Field Office

EM has published its 2020 Year in Review, summarizing the accomplishments of cleanup work across the DOE complex over the course of the year, including numerous major program priorities.

The Year in Review highlights achievements at each EM site and at EM headquarters. At Los...

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N3B Los Alamos1 week ago

Tashia Vigil, N3B’s Human Resources director, loves to fly fish in Northern New Mexico’s streams and rivers. Being outside helps her slow down, clear her head and reconnect with her appreciation for the pristine beauty of our #environment. The solace she finds...

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N3B Los Alamos1 week ago

Check out this recent interview with Joe Legare, N3B’s VP and Executive Officer, in the Los Alamos Reporter. Joe highlights several successes N3B had in the last fiscal year and discusses our strong commitment to getting waste off the hill for DOE's Environmental Management Los...

N3B’s Legare Says Getting Waste Off The Hill Is An Absolute Priority

N3B Vice President Joe Legare, right, chats with Los Alamos County Councilor David Izraelevitz at a pre-COVID meeting. Photo by Maire O’Neill/losalamosreporter.com BY MAIRE O’NEILLmaire…

losalamosreporter.com

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N3B Los Alamos2 weeks ago

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N3B Los Alamos2 weeks ago

Looking back on 2020, N3B is proud of its contributions to the U.S. Department of Energy Office of Environmental Management’s (EM) mission — especially amid challenges posed by COVID-19. The EM mission in #LosAlamos involves cleaning up radiological and hazardous waste generated...