Document: NRC Regulatory Guide
Document ID: 1731a882-b0c5-418d-b65e-55646c26be5c
Document Type: regulatory_guide
Title: 03/2007
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0703/ML070380553.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.9
CFR Part: 
CFR Title: 

Content:
ests (see also Table 1). 3. Reporting Criteria Licensees must conform to the reporting requirements of 10 CFR Part 21, “Reporting of Defects and Noncompliance” (Ref. 2); 10 CFR 50.72, “Immediate Notification Requirements for Operating Nuclear Power Reactors”; and 10 CFR 50.73, “License Event Reporting System.” Rev. 4 of RG 1.9, Page 14 D. IMPLEMENTATION The purpose of this section is to provide information to applicants and licensees regarding the NRC staff’s plans for using this regulatory guide. No backfitting is intended or approved in connection with the issuance of this guide. Except in those cases in which an applicant or licensee proposes or has previously established an acceptable alternative method for complying with specified portions of the NRC’s regulations, the methods described in this guide will be used in evaluating (1) submittals in connection with applications for construction permits, standard plant design certifications, operating licenses, early site permits, and combined licenses; and (2) submittals from operating reactor licensees who voluntarily propose to initiate system modifications involving diesel generators used as onsite emergency electric power systems. REGULATORY ANALYSIS / BACKFIT ANALYSIS The regulatory analysis and backfit analysis for this regulatory guide are available in Draft Regulatory Guide DG-1172, “Application and Testing of Safety-Related Diesel Generators in Nuclear Power Plants” (Ref. 5). The NRC issued DG-1172 in November 2006 to solicit public comment on the draft of this Revision 4 of Regulatory Guide 1.9. 1 All NRC regulations listed herein are available electronically through the Electronic Reading Room on the NRC’s public Web site, at http://www.nrc.gov/reading-rm/doc-collections/cfr. Copies are also available for inspection or copying for a fee from the NRC’s Public Document Room at 11555 Rockville Pike, Rockville, MD; the PDR’s mailing address is USNRC PDR, Washington, DC 20555;