Semiannual Report to Congress October 1, 2022–March 31, 2023

This report highlights the work of the Office of the Inspector General for the Nuclear Regulatory Commission (NRC) and the Defense Nuclear Facilities Safety Board (DNFSB) from October 1, 2022, to March 31, 2023. During this reporting period, we initiated thirteen audit reports and issued four. We also opened ten investigative cases and completed twelve, six of which were referred to the Department of Justice, and six of which were referred to NRC or DNFSB management for action.