May 2021

Assessment of the Triad National Security, LLC Nuclear Criticality Safety Program at the Los Alamos National Laboratory

The U.S. Department of Energy (DOE) Office of Nuclear Engineering and Safety Basis Analysis Assessments, an Environment, Safety and Health Assessments office within the Office of Enterprise Assessments (EA), assessed the effectiveness of the Triad National Security, LLC (Triad) nuclear criticality safety program (NCSP) at the Los Alamos National Laboratory (LANL). This assessment was conducted remotely, with interviews occurring November 16 – 20, 2020, and January 25 – 29, 2021.