N3B is a limited liability company owned by HII Nuclear, a division of Huntington Ingalls Industries, and BWX Technologies. Critical subcontractors are Tech2 Solutions and Longenecker & Associates...
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.