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?
Los Alamos Provides Legacy Waste Program Updates at Public Forum READ MORE >
Los Alamos Tour Informs Senate Committee Staff About Legacy Cleanup READ MORE >
Los Alamos Completes 200th Transuranic Waste Shipment to WIPP READ MORE >
Environmental Management Cleanup Forum 9/10/2025 READ MORE >
N3B Commences Shipment of Corrugated Metal Pipe Waste Stream from LANL to WIPP READ MORE >
N3B News
Last step completed in Middle DP Road Site cleanup
March 4, 2024 - Los Alamos, N.M.—On February 14, the New Mexico Environment Department (NMED) agreed that investigation and remediation of soil and debris...
Robust sampling, monitoring drives legacy waste cleanup at LANL
February 27, 2024 - LOS ALAMOS, N.M. — Newport News Nuclear BWXT Los Alamos (N3B) crews collected more than 8,670 soil, sediment, surface water...
LANL Individual Permit virtual public meeting scheduled for February 28
February 26, 2024 - EM-LA and N3B will host an annual meeting to report on the status of the LANL Individual Permit. The virtual...