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 10/24/2024 READ MORE >

Watch video or view presentation from the Environmental Management Cleanup Forum held July 25 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

Excavation of contaminated soil protects watersheds in seven Los Alamos canyons

October 19, 2021 -

N3B and EM-LA to hold virtual Environmental Management Cleanup Forum on September 29, 2021

September 28, 2021 -

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...