Document: NRC Regulatory Guide
Document ID: 0df18aa6-42a8-4990-aa7e-3df6d0907f3f
Document Type: regulatory_guide
Title: Criteria for Safety Systems (Rev. 1)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2511/ML25114A021.pdf
Revision Date: 2025-11
Chapter: 
Section ID: RG-1.153
CFR Part: 
CFR Title: 

Content:
IEC) documents may be obtained through their Web site: http://www.iec.ch/ or http://webstore.iec.ch/ and by writing the IEC Central Office at P.O. Box 131, 3 Rue de Varembé, 1211 Geneva, Switzerland, Telephone +41 22 919 02 11. DG-1251, Page 15 44. IEC, 62385, Edition 1.0, “Nuclear Power Plants—Instrumentation and Control Important to Safety—Methods for Assessing the Performance of Safety System Instrument Channels,” Geneva, Switzerland. 45. IEEE, Std 7-4.3.2, “IEEE Standard Criteria for Programmable Digital Devices in Safety Systems of Nuclear Power Generating Stations,” Piscataway, NJ. 46. NRC, Management Directive 8.4, “Management of Backfitting, Forward Fitting, Issue Finality, and Information Requests.”