September 2021

Related to a series of nuclear safety events in the PF-4 Facility at Los Alamos National Laboratory.

On September 23, 2021, the U.S. Department of Energy (DOE) Office of Enterprise Assessments’ Office of Enforcement notified Triad National Security, LLC, of its intent to investigate potential noncompliances with DOE nuclear safety program requirements (10 C.F.R. Part 830) related to a series of nuclear safety events between February and July of this year occurring in the PF-4 Facility at Los Alamos National Laboratory.