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Federal Register / Vol. 86, No. 36 / Thursday, February 25, 2021 / Notices
8003974209 or 3014154737, between 8:00 a.m. and 4:00 p.m. EST, Monday through Friday, except Federal holidays.
RG 1.237 and the regulatory analysis may be found in ADAMS under Accession Nos. ML20349A335 and ML20010G336.
Regulatory guides are not copyrighted, and NRC approval is not required to reproduce them.
FOR FURTHER INFORMATION CONTACT:
Michael Eudy, Office of Nuclear Regulatory Research, telephone: 301
4151304, email: Michael.Eudy@nrc.gov and Marieliz Johnson, Office of Nuclear Reactor Regulation, telephone: 301
4155861, email: Marieliz.Johnson@
nrc.gov. Both are staff of the U.S.
Nuclear Regulatory Commission, Washington, DC 205550001.
SUPPLEMENTARY INFORMATION:
I. Discussion The NRC is issuing a new guide in the NRCs Regulatory Guide series. This series was developed to describe and make available to the public information regarding methods that are acceptable to the NRC staff for implementing specific parts of the agencys regulations, techniques that the NRC staff uses in evaluating specific issues or postulated events, and data that the NRC staff needs in its review of applications for permits and licenses.
II. Additional Information RG 1.237 was issued with a temporary identification of draft regulatory guide DG1321. The NRC published a notice of the availability of DG1321 in the Federal Register on May 5, 2020 85 FR
26725 for a 60-day public comment period. The public comment period closed on July 6, 2020. Public comments on DG1321 and the staff responses to the public comments are available in ADAMS under Accession No.
ML20349A336.
III. Congressional Review Act This RG is a rule as defined in the Congressional Review Act 5 U.S.C.
801808. However, the Office of Management and Budget has not found it to be a major rule as defined in the Congressional Review Act.
IV. Backfitting, Forward Fitting, and Issue Finality This RG provides guidance on implementation of a process for making changes to the design of structures, systems, and components of a facility being constructed under a combined license. Issuance of this RG, would not constitute backfitting as defined in section 50.109 of title 10 of the Code of
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Federal Regulations 10 CFR, Backfitting, and as described in NRC
Management Directive 8.4, Management of Backfitting, Forward Fitting, Issue Finality, and Information Requests; affect issue finality of any approval issued under 10 CFR part 52, Licenses, Certificates, and Approvals for Nuclear Power Plants; or constitute forward fitting as defined in MD 8.4, because, as explained in this RG, licensees are not required to comply with the positions set forth in this RG.
If, in the future, the NRC were to impose a position in this RG in a manner that would constitute backfitting or forward fitting or affect the issue finality for a part 52 approval, then the NRC would address the backfitting provision in 10
CFR 50.109, the forward fitting provision of MD 8.4, or the applicable issue finality provision in part 52, respectively.
Dated: February 19, 2021.
For the Nuclear Regulatory Commission.
Meraj Rahimi, Chief, Regulatory Guidance and Generic Issues Branch, Division of Engineering, Office of Nuclear Regulatory Research.
FR Doc. 202103865 Filed 22421; 8:45 am BILLING CODE 759001P

NUCLEAR REGULATORY
COMMISSION
NRC20200160

Changes to Subsequent License Renewal Guidance Documents Nuclear Regulatory Commission.
ACTION: Interim staff guidance; issuance.
AGENCY:

The U.S. Nuclear Regulatory Commission NRC is issuing three Interim Staff Guidance ISG documents that update aging management criteria for mechanical, structural, and electrical structures and components in the NRCs subsequent license renewal SLR
guidance documents. Specifically, the ISGs revise guidance contained in NUREG2191, Generic Aging Lessons Learned for Subsequent License Renewal GALLSLR Report, and NUREG2192, Standard Review Plan for Review of Subsequent License Renewal Applications for Nuclear Power Plants. These ISGs are intended to facilitate preparation of SLR
applications by clarifying existing guidance for aging management and adding new guidance, which also will facilitate the NRC staffs review of SLR
applications.
DATES: This guidance is effective on March 29, 2021.
SUMMARY:

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Please refer to Docket ID
NRC20200160 when contacting the NRC about the availability of information regarding this document.
You may obtain publicly available information related to this document using any of the following methods:
Federal Rulemaking Website: Go to https www.regulations.gov and search for Docket ID NRC20200160. Address questions about Docket IDs in Regulations.gov to Stacy Schumann;
telephone: 3014150624; email:
Stacy.Schumann@nrc.gov. For technical questions, contact the individual listed in the FOR FURTHER INFORMATION
CONTACT section of this document.
NRCs Agencywide Documents Access and Management System ADAMS: You may obtain publicly available documents online in the ADAMS Public Documents collection at https www.nrc.gov/reading-rm/
adams.html. To begin the search, select Begin Web-based ADAMS Search. For problems with ADAMS, please contact the NRCs Public Document Room PDR
reference staff at 18003974209, 301
4154737, or by email to pdr.resource@
nrc.gov. For the convenience of the reader, instructions about obtaining materials referenced in this document are provided in the Availability of Documents section.
Attention: The PDR, where you may examine and order copies of public documents, is currently closed. You may submit your request to the PDR via email at pdr.resource@nrc.gov or call 1
8003974209 or 3014154737, between 8:00 a.m. and 4:00 p.m. EST, Monday through Friday, except Federal holidays.
FOR FURTHER INFORMATION CONTACT:
Jeffrey Mitchell, Office of Nuclear Reactor Regulation, U.S. Nuclear Regulatory Commission, Washington, DC 205550001, telephone: 301415
0833; email: Jeffrey.Mitchell2@nrc.gov.
SUPPLEMENTARY INFORMATION:
ADDRESSES:

I. Background On July 2, 2020 85 FR 39938 and August 3, 2020, 85 FR 46735, the staff requested public comments on the following draft ISGs:
Draft SLRISGMECHANICAL
2020XX; Updated Aging Management Criteria for Mechanical Portions of Subsequent License Renewal Guidance Draft SLRISGSTRUCTURES
2020XX; Updated Aging Management Criteria for Structures Portions of Subsequent License Renewal Guidance Draft SLRISGELECTRICAL
2020XX; Updated Aging Management Criteria for Electrical Portions of Subsequent License Renewal Guidance
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