Document: NRC Regulatory Guide
Document ID: b6726dc6-2968-4ca9-a925-c831eaaecc69
Document Type: regulatory_guide
Title: 03/2007
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0702/ML070260029.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.61
CFR Part: 
CFR Title: 

Content:
fications if there is a clear nexus between the proposed modifications and the subject for which guidance is provided herein. REGULATORY ANALYSIS / BACKFIT ANALYSIS The regulatory analysis and backfit analysis for this regulatory guide are available in Draft Regulatory Guide DG-1157, “Damping Values for Seismic Design of Nuclear Power Plants” (Ref. 16). The NRC issued DG-1157 in October 2006 to solicit public comment on the draft of this Revision 1 of Regulatory Guide 1.61. All NRC regulations listed herein are available electronically through the Electronic Reading Room on the NRC’s 3 public Web site, at http://www.nrc.gov/reading-rm/doc-collections/cfr/part050. 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; telephone (301) 415-4737 or (800) 397-4209; fax (301) 415-3548; email PDR@nrc.gov. All regulatory guides listed herein were published by the U.S. Nuclear Regulatory Commission or its predecessor, 4 the U.S. Atomic Energy Commission. Most are available electronically through the Electronic Reading Room on the NRC’s public Web site, at http://www.nrc.gov/reading-rm/doc-collections/reg-guides/. Single copies of regulatory guides may also be obtained free of charge by writing the Reproduction and Distribution Services Section, ADM, USNRC, Washington, DC 20555-0001, by fax to (301) 415-2289, or by email to DISTRIBUTION@nrc.gov. Active guides may also be purchased from the National Technical Information Service (NTIS). Details may be obtained by contacting NTIS at 5285 Port Royal Road, Springfield, Virginia 22161, online at http://www.ntis.gov, by telephone at (800) 553-NTIS (6847) or (703) 605-6000, or by fax to (703) 605-6900. Copies are also available for inspection or copying for a fee from the NRC’s Public Document Room (PDR), which is located at 11555 Rockville Pike, Rockville, Maryland; the