Notice of Investigation Letters

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November 15, 2018
Enforcement Nuclear Safety Document
Notice of Intent to Investigate, Consolidated Nuclear Security, LLC
Related to potential nuclear criticality control weaknesses at the Y-12 National Security Complex.
July 5, 2018
Enforcement Worker Safety Document
Notice of Intent to Investigate, National Technology and Engineering Solutions of Sandia, LLC, and Two Subcontractors
Related to recent electrical safety events that occurred at Sandia National Laboratories and associated facilities.
May 1, 2018
Enforcement Information Security Document
Notice of Intent to Investigate, National Technology and Engineering Solutions of Sandia, LLC
Related to unauthorized access control measures for areas protecting classified information.
March 27, 2018
Enforcement Nuclear Safety Document
Enforcement Notice of Intent to Investigate, CH2M Hill Plateau Remediation Company
Related to radiological contamination at the Plutonium Finishing Plant at Hanford.
December 7, 2017
Enforcement Worker Safety Document
Notice of Intent to Investigate, Los Alamos National Security, LLC
Related to potential deficiencies with implementation of Part 851 requirements for emergency response and pressure system design.
September 23, 2015
Enforcement Worker Safety Document
Enforcement Notice of Intent to Investigate, Computer Sciences Corporation
Related to the retaliation against two former CSC employees at DOE’s Hanford site.