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Interim Staff Guidance Associated with Digital Instrumentation & Controls

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Interim Staff Guidance (ISG) Number	Topic	Status/Comments
DI&C-ISG-01	Cyber Security Interim Staff Guidance on Digital Instrumentation and Control, Cyber Security, December 31, 2007	Closed This guidance was incorporated into Regulatory Guide (RG) 5.71, Cyber Security Programs for Nuclear Facilities,” and RG 1.152, Revision 3, “Criteria for Use of Computers in Safety Systems of Nuclear Power Plants.”
DI&C-ISG-02	Diversity and Defense-in-Depth (D3) Revision 2, Interim Staff Guidance on Diversity and Defense-in-Depth Issues, June 5, 2009 Interim Staff Guidance on Diversity and Defense-in-Depth Issues, September 26, 2007	Closed This guidance was incorporated into Branch Technical Position 7-19, Revision 6, "Guidance for Evaluation of Diversity and Defense-in-Depth on Digital Computer-Based Instumentation and Control Systems".
DI&C-ISG-03	Risk-Informed Digital Instrumentation and Controls Interim Staff Guidance on Review of New Reactor Digital Instrumentation and Control Probabilistic Risk Assessments	Closed The NRC staff incorporated the approved DI&C-ISG-03 into Revision 3 to Section 19.0 of NUREG-0800 dated January 2016. On May 17, 2019, the NRC closed DI&C-ISG-03 (84 FR 22522).
DI&C-ISG-04	Highly Integrated Control Rooms & Digital Communication Systems Revision 1, Interim Staff Guidance on Highly-Integrated Control Rooms – Communications Issues (HICRc), March 2009 Interim Staff Guidance on Highly-Integrated Control Rooms – Communications Issues (HICRc), September 28, 2007	Closed This guidance was incorporated into RG 1.152, Rev 4 (88 FR 47754) July 2023.
DI&C-ISG-05	Highly Integrated Control Rooms – Human Factors Revision 1 to Interim Staff Guidance on Highly Integrated Control Rooms - Human Factors Issues (HICR-HF) Interim Staff Guidance on Highly-Integrated Control Rooms – Human Factors Issues (HICR-HF), September 28, 2007	Closed This guidance was incorporated into NUREG-0800, Chapter 18, Revision 3, Human Factors Engineering.
DI&C-ISG-06	Licensing Process Licensing Process, Revision 2, Dec. 2018 Licensing Process Interim Staff Guidance, January 19, 2011	Active
DI&C-ISG-07	Fuel Cycle Facilities Digital Instrumentation and Control Systems in Safety Applications at Fuel Cycle Facilities, December 1, 2010 Interim Staff Guidance on Digital Instrumentation and Control Systems in Safety Applications at Fuel Cycle Facilities, June 1, 2009	Active

Page Last Reviewed/Updated Monday, October 16, 2023