Document: NRC Regulatory Guide
Document ID: 70415715-297f-4d60-841c-514b0372a131
Document Type: regulatory_guide
Title: 02/2017 (Rev. 5)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1608/ML16082A501.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.26
CFR Part: 
CFR Title: 

Content:
gulatory guides to describe to the public methods that the staff considers acceptable for use in implementing specific parts of the agency’s regulations, to explain techniques that the staff uses in evaluating specific problems or postulated accidents, and to provide guidance to applicants. Regulatory guides are not substitutes for regulations and compliance with them is not required. Methods and solutions that differ from those set forth in regulatory guides will be deemed acceptable if 1 In editions of the ASME BPV Code published before 1971, Section III uses the terms Class A, Class B, and Class C in lieu of Class 1, Class 2, and Class 3. RG 1.26, Rev. 5, Page 3 they provide a basis for the findings required for the issuance or continuance of a permit or license by the Commission. Paperwork Reduction Act This regulatory guide contains and references information collections covered 10 CFR Part 50 and 52 that are subject to the Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.). These information collections were approved by the Office of Management and Budget (OMB), control number 3150-0011 and 3150-0151. Public Protection Notification The NRC may not conduct or sponsor, and a person is not required to respond to, a request for information or an information collection requirement unless the requesting document displays a currently valid OMB control number. RG 1.26, Rev. 5, Page 4 B. DISCUSSION Reason for Revision This revision of the guide (Revision 5) does not present new technical requirements, but clarifies content (e.g., the definition of Quality Group A and the scope of the OM Code), corrects errors (e.g., a misplaced footnote), and provides additional references to related classification systems such as 10 CFR 50.69 and industry and international standards that may be proposed by applicants or licensees as an alternative means to comply with NRC requirements. Background In the early 1970s, the NRC staff developed a quality classification system to