Clean up the Land
Clean Up the Land
Protect Water Quality
Protect Water Quality
Protect Water Quality
Ship Waste Off-Site

Los Alamos Legacy Cleanup Contract

N3B manages the 10-year, $2.1 billion Los Alamos Legacy Cleanup Contract for the U.S. Department of Energy Environmental Management 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.

What’s New?

Environmental Management Cleanup Forum 1/29/2025 READ MORE >

Watch video or view presentation from the Environmental Management Cleanup Forum held Oct 24 READ MORE >

N3B celebrates opening of new occupational medicine clinic for employees  READ MORE >

N3B demonstrates new system to enhance analysis of waste drums  READ MORE >

N3B News

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...

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...

Nationally recognized award given to N3B employees for building homegrown workforce

June 16, 2020 - LOS ALAMOS, N.M. — Three staff members at Newport News Nuclear BWXT Los Alamos (N3B) recently received a nationally recognized award...