July 14, 2021

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Enforcement Letter, UChicago Argonne, LLC

Related to the unauthorized access to an area designated as a Very High Radiation Area (VHRA) at Argonne National Laboratory.

July 14, 2021

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Enforcement Letter, Consolidated Nuclear Security, LLC

Related to an employee’s dosimeter indicating a dose exceeding the limits specified in 10 C.F.R. § 835.202 at Pantex Plant.

June 10, 2021

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Enforcement Letter, Brookhaven Science Associates, LLC

Related to a subcontract worker fall event at Brookhaven National Laboratory.

May 7, 2021

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Enforcement Letter, Consolidated Nuclear Security, LLC

Related to a security incident involving the unauthorized use of classified information systems and potential disclosure of classified information by Consolidated Nuclear Security, LLC at the Pantex Plant in Amarillo, Texas.