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
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 ›
Groundwater monitoring year for LANL starts with sampling along Rio Grande - October 19, 2020
LOS ALAMOS, N.M. — A team of environmental professionals recently completed a multiday campaign that included roughly 24 miles of... Read More ›
N3B builds new controls to mitigate storm water runoff from LANL - September 21, 2020
LOS ALAMOS, N.M. — With New Mexico’s monsoon season bringing brief periods of torrential rain, construction of new berms began over... Read More ›