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.
Our employees and subcontractors work to the highest standards of safety.
We set clear goals and execute our plans with the end in mind.
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.
Groundwater and surface water monitoring, chromium and RDX plume monitoring, and waste site characterization and remediation
Hazardous and radioactive waste characterization, management, packaging and transportation offsite for permanent disposal
News & Highlights
Excavation of contaminated soil protects watersheds in seven Los Alamos canyons - October 19, 2021
LOS ALAMOS, N.M. — In a campaign involving several canyons impacted by historical weapons research and development at Los Alamos... Read More ›
N3B and EM-LA to hold virtual Environmental Management Cleanup Forum on September 29, 2021 - September 28, 2021
The Department of Energy’s Office of Environmental Management Los Alamos Field Office and its legacy waste contractor, N3B-Los Alamos, are... Read More ›
N3B’s water quality program ramps up amid exceptional drought - August 17, 2021
LOS ALAMOS, N.M. — With hopes for rain amid exceptional drought conditions, the EM Los Alamos Field Office (EM-LA) and... Read More ›