What we do

Protect the environment for future generations

N3B Environmental Policy Statement

N3B’s Environmental Policy is implemented by adhering to the following principles: compliance,
stewardship, communication and continuous improvement.


N3B will:

    • Conform to the requirements described in Department of Energy Order 436.1, Departmental Sustainability.
    • Identify all applicable laws and regulations and will implement programs and procedures to ensure compliance.
    • Protect unique natural, biological and cultural  resources associated with Los Alamos Legacy Cleanup Contract mission execution.


N3B will:

    • Seek opportunities, beyond compliance requirements, for reducing potential environmental impacts.
    • Use management systems and develop procedures specifically designed to prevent activities or conditions that pose a potential threat to human health or the environment.
    • Seek opportunities to minimize risk, protect employees and the community, protect natural resources and minimize waste.
    • Establish processes to ensure preparedness and responses to minimize potential impacts to public health and the environment during emergencies.


N3B will:

    • Communicate this policy to all N3B employees and subcontractor employees working on the project.
    • Establish a process to seek employee input and integrate environmental objectives across the organization.

Continuous Improvement

N3B will:

    • Establish annual environmental objectives and environmental targets in support of environmental sustainability and stewardship.
    • Measure progress toward meeting objectives and communicating performance across the organization.
    • Assess the Environmental Management System at least annually.
    • Seek input and feedback internally and from our customer, and identify opportunities to improve N3B’s adherence to these principles.


Protect Water Quality

N3B monitors groundwater for contamination and controls the migration of contaminated storm water linked to historical Los Alamos National Laboratory (LANL) operations. N3B is also treating a groundwater plume that contains elevated levels of hexavalent chromium and investigating a plume of Royal Demolition Explosives (RDX). Both plumes are in the regional aquifer beneath LANL.


Monitor groundwater to ensure water leaving LANL does not pose an unacceptable impact to human or ecological health.


Monitor surface water and storm water runoff for contaminants linked to historical LANL operations while minimizing migration of potentially contaminated water through engineered controls.


Control migration of the hexavalent chromium plume and reduce the plume footprint, while identifying a final remedy.

Royal Demolition Explosive

Ensure RDX groundwater contamination from past LANL operations does not threaten human and environmental health. 

Copper Water Quality Criteria

Obtain New Mexico Water Quality Control Commission approval for determining copper water quality criteria utilizing U.S. Environmental Protection Agency 2007 biotic ligand model.

Crews drill a borehole for groundwater monitoring well R-71 to further characterize the hexavalent chromium plume in groundwater beneath Los Alamos National Laboratory.

Resource Library

No results found.

Clean Up The Land

N3B remediates sites across LANL where waste was historically spilled or disposed. Sites entail contaminated soil and debris, along with old landfills. N3B is also decontaminating and demolishing facilities used in LANL’s early Cold War-era plutonium processing and radiological liquid waste treatment operations.


Remediate old landfills, known as Material Disposal Areas, where contaminated material from past LANL operations was disposed.


Investigate, excavate and ship off-site for disposal contaminated soil and debris from LANL’s legacy operations.


N3B responded to legacy LANL contamination found on Los Alamos County-owned land by investigating, excavating and shipping contaminated soil and debris off-site in preparation of safe residential use.


Decontaminate and demolish decommissioned LANL buildings at TA-21, next to Los Alamos’ industrial area, to make the land available for beneficial use.

Tessa Hermes, assistant project manager and senior geologist with N3B subcontractor TerranearPMC, assesses excavation of contaminated soil near one of LANL’s Cold War-era underground explosives firing chambers. This Aggregate Area site is part of the Southern External Boundary Campaign to clean up contamination in Lower Water Canyon.

Resource Library

No results found.

Ship Waste Off-Site

N3B retrieves, processes and ships off-site for disposal transuranic, low-level radiological and hazardous waste generated by LANL during the Manhattan Project and Cold War. Moving waste off-site reduces impact to human and environmental health from radiological and hazardous materials.


Store, remediate and ship LANL’s legacy transuranic waste to the Waste Isolation Pilot Plant


Store, remediate and ship other LANL waste off-site for processing.

An EM-TRU waste shipment from the Radioassay and Nondestructive Testing facility at LANL departs for WIPP.