Document: NRC Regulatory Guide
Document ID: c256f223-ee35-43e0-82e7-aa7b14469259
Document Type: regulatory_guide
Title: Preoperational Testing of Emergency Core Cooling Systems for Pressurized Water Reactors + HISTORY - HISTORY DG-1253 , Proposed Revision 2 (Rev. 2)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1101/ML110110480.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.79
CFR Part: 
CFR Title: 

Content:
e justification for acceptance of systems or components not in conformance with design predictions or performance requirements; h. any unexpected or unusual conditions during test observations; and i. conclusions. Retention of the test procedures, data, and summaries by the licensee should be consistent with paragraph 9 of Appendix C to RG 1.68 (Ref. 3) and in accordance with General Design Criterion 1, “Quality Standards and Records,” of Appendix A and Criteria XI, “Test Control,” and XVII, “Quality Assurance Records,” of Appendix B to 10 CFR Part 50. D. IMPLEMENTATION The purpose of this section is to provide information on how applicants and licensees3 may use this regulatory guide, as well as the NRC’s plans for using it. In addition, it describes the NRC staff’s compliance with, 10 CFR 50.109, “Backfitting,” and any applicable finality provisions in 10 CFR Part 52. The NRC has issued this draft guide to encourage public participation in its development. The NRC will consider all public comments received in development of the final guidance document. In some cases, applicants or licensees may propose an alternative or use a previously established acceptable alternative method for complying with specified portions of the NRC’s regulations. Otherwise, the methods described in this guide will be used in evaluating compliance with the applicable regulations for license applications, license amendment applications, and amendment requests. Use by Applicants and Licensees Applicants and licensees may voluntarily use the information in this regulatory guide (1) to develop applications for initial licenses, amendments to licenses, or other requests for NRC regulatory approval (e.g., exemptions), (2) for actions that do not require prior NRC review and approval (e.g., changes to a facility design under 10 CFR 50.59, “Changes, Tests and Experiments”), or (3) to resolve regulatory or inspection issues (e.g., by committing to comply with the