[Federal Register Volume 88, Number 131 (Tuesday, July 11, 2023)]
[Notices]
[Pages 44160-44161]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2023-14577]


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NUCLEAR REGULATORY COMMISSION

[NRC-2023-0096]


Draft NUREG: Revision to Subsequent License Renewal Guidance 
Documents, and Supplement to Associated Technical Bases Document

AGENCY: Nuclear Regulatory Commission.

ACTION: Draft report; request for comment.

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SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) is issuing for 
public comment three draft NUREGs that provide revised guidance for 
subsequent license renewal (SLR) and the associated technical bases for 
the revised guidance documents. The draft NUREGs consist of draft 
NUREG-2191, ``Generic Aging Lessons Learned for Subsequent License 
Renewal Report,'' Volumes 1 and 2, Revision 1 (GALL-SLR Report); draft 
NUREG-2192, ``Standard Review Plan for Review of Subsequent License 
Renewal Applications for Nuclear Power Plants,'' Revision 1 (SRP-SLR); 
and draft NUREG-2221, ``Technical Bases for Changes in the Subsequent 
License Renewal Guidance Documents, NUREG-2191, Revision 1, and NUREG-
2192, Revision 1,'' Supplement 1.

DATES: Submit comments by September 11, 2023. Comments received after 
this date will be considered if it is practical to do so, but the 
Commission is able to ensure consideration only for comments received 
on or before this date.

ADDRESSES: You may submit comments by any of the following methods; 
however, the NRC encourages electronic comment submission through the 
Federal rulemaking website:
     Federal rulemaking website: Go to https://www.regulations.gov and search for Docket ID NRC-2023-0096. Address 
questions about Docket IDs in Regulations.gov to Stacy Schumann; 
telephone: 301-415-0624; email: [email protected]. For technical 
questions, contact the individuals listed in the ``For Further 
Information Contact'' section of this document.
     Mail comments to: Office of Administration, Mail Stop: 
TWFN-7-A60M, U.S. Nuclear Regulatory Commission, Washington, DC 20555-
0001, ATTN: Program Management, Announcements and Editing Staff.
    For additional direction on obtaining information and submitting 
comments, see ``Obtaining Information and Submitting Comments'' in the 
SUPPLEMENTARY INFORMATION section of this document.

FOR FURTHER INFORMATION CONTACT: Emmanuel Sayoc, telephone: 301-415-
4084; email: [email protected] and Carol Moyer, telephone: 301-
415-2153; email: [email protected]. Both are staff of the Office of 
Nuclear Reactor Regulation at the U.S. Nuclear Regulatory Commission, 
Washington, DC 20555-0001.

SUPPLEMENTARY INFORMATION:

I. Obtaining Information and Submitting Comments

A. Obtaining Information

    Please refer to Docket ID NRC-2023-0096 when contacting the NRC 
about the availability of information for this action. You may obtain 
publicly available information related to this action by any of the 
following methods:
     Federal Rulemaking Website: Go to https://www.regulations.gov and search for Docket ID NRC-2023-0096.
     NRC's 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 NRC's Public 
Document Room (PDR) reference staff at 1-800-397-4209, at 301-415-4737, 
or by email to [email protected]. For the convenience of the reader, 
instructions about obtaining materials referenced in this document are 
provided in the ``Availability of Documents'' section.
     NRC's PDR: The PDR, where you may examine and order copies 
of publicly available documents, is open by appointment. To make an 
appointment to visit the PDR, please send an email to 
[email protected] or call 1-800-397-4209 or 301-415-4737, between 8 
a.m. and 4 p.m. eastern time (ET), Monday through Friday, except 
Federal holidays.

B. Submitting Comments

    The NRC encourages electronic comment submission through the 
Federal rulemaking website (https://www.regulations.gov). Please 
include Docket ID NRC-2023-0096 in your comment submission.
    The NRC cautions you not to include identifying or contact 
information that you do not want to be publicly disclosed in your 
comment submission. The NRC will post all comment submissions at 
https://www.regulations.gov as well as enter the comment submissions 
into ADAMS. The NRC does not routinely edit comment submissions to 
remove identifying or contact information.
    If you are requesting or aggregating comments from other persons 
for submission to the NRC, then you should inform those persons not to 
include identifying or contact information that they do not want to be 
publicly disclosed in their comment submission. Your request should 
state that the NRC does not routinely edit comment submissions to 
remove such information before making the comment submissions available 
to the public or entering the comment into ADAMS.

II. Discussion

    Section 54.29 of title 10 of the Code of Federal Regulations (10 
CFR) establishes the standards for issuance of a renewed license. For 
nuclear power plants that have received a renewed license, the 
regulations in 10 CFR 54.31(d) state that ``[a] renewed license may be 
subsequently renewed in accordance with all applicable requirements.'' 
The GALL-SLR Report and SRP-SLR were originally issued in 2017 to 
provide guidance for subsequent license renewals. The GALL-SLR Report 
discusses generic aging management reviews of systems, structures, and 
components (SSCs) that may be within the scope of subsequent license 
renewal applications (SLRAs) and identifies aging management programs 
(AMPs) that are determined to

[[Page 44161]]

be acceptable for managing the effects of aging on SSCs within the 
scope of license renewal, as required by 10 CFR part 54. If an 
applicant's SLRA credits an AMP described in the GALL-SLR Report, the 
applicant should ensure that the conditions and operating experience 
(OE) at the plant are bounded by the conditions and OE for which the 
GALL-SLR Report program was evaluated. If these bounding conditions are 
not met, the applicant should address any additional aging effects and 
augment the AMPs for subsequent license renewal. If an SLRA references 
the approach described in the GALL-SLR Report as the approach used for 
managing the aging effect(s), the NRC staff will use the GALL-SLR 
Report as a basis for the SLRA assessment, consistent with guidance 
specified in the SRP-SLR.
    The SRP-SLR, which references the GALL-SLR Report, provides 
guidance to the NRC staff reviewers in the Office of Nuclear Reactor 
Regulation. These reviewers perform safety reviews of applications to 
renew nuclear power plant licenses in accordance with 10 CFR part 54.
    After the initial issuance of the GALL-SLR Report and SRP-SLR in 
2017, several documents referred to as Subsequent License Renewal 
Interim Staff Guidance (SLR-ISGs) were created to reflect new or 
updated industry guidance, codes, or standards; relevant plant 
operating experience; incorporation of lessons learned from completed 
SLR application reviews; development of new aging management programs 
or aging management review items; and identification of required 
corrections and clarifications to the guidance. GALL-SLR Report, 
Revision 1, and SRP-SLR, Revision 1, incorporate the issued SLR-ISGs. 
Additional updates were identified subsequent to issuance of the SLR-
ISGs, which are also incorporated in the revisions to the GALL-SLR 
Report and SRP-SLR. The issued SLR-ISGs are listed in the 
``Availability of Documents'' section.
    Supplement 1 of the Technical Bases Document is a knowledge 
management and knowledge transfer document associated with GALL-SLR 
Report, Revision 1, and SRP-SLR, Revision 1. This supplement details 
the technical changes that were made in the revisions to the GALL-SLR 
Report and SRP-SLR and provides the underlying rationale that the NRC 
staff used for those technical changes.

III. Availability of Documents

    The documents identified in the following table are available to 
interested persons through one or more of the following methods, as 
indicated.

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             Document description                  Adams accession No.
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Draft NUREG-2191, ``Generic Aging Lessons       ML23180A182
 Learned for Subsequent License Renewal (GALL-
 SLR), Draft Report for Comment,'' Revision 1,
 Volume 1.
Draft NUREG-2191, ``Generic Aging Lessons       ML23180A188
 Learned for Subsequent License Renewal (GALL-
 SLR), Draft Report for Comment,'' Revision 1,
 Volume 2.
Draft NUREG-2192, ``Standard Review Plan for    ML23180A191
 Review of Subsequent License Renewal
 Applications for Nuclear Power Plants, Draft
 Report for Comment,'' Revision 1.
Draft NUREG-2221, ``Technical Bases for         ML23180A208
 Changes in the Subsequent License Renewal
 Guidance Documents, NUREG-2191, Revision 1,
 Draft Report for Comment and NUREG-2192,
 Revision 1, Draft Report for Comment,''
 Supplement 1.
SLR-ISG-2021-01-PWRVI, ``Updated Aging          ML20217L203
 Management Criteria for Reactor Vessel
 Internal Components of Pressurized-Water
 Reactors'' Interim Staff Guidance.
SLR-ISG-2021-02-MECHANICAL, ``Updated Aging     ML20181A434
 Management Criteria for Mechanical Portions
 of Subsequent License Renewal Guidance''
 Interim Staff Guidance.
SLR-ISG-2021-03-STRUCTURES, ``Updated Aging     ML20181A381
 Management Criteria for Structures Portions
 of Subsequent License Renewal Guidance''
 Interim Staff Guidance.
SLR-ISG-2021-04-ELECTRICAL, ``Updated Aging     ML20181A395
 Management Criteria for Electrical Portions
 of Subsequent License Renewal Guidance''
 Interim Staff Guidance.
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    Dated: July 5, 2023.

    For the Nuclear Regulatory Commission.
Michelle W. Hayes,
Chief, Licensing and Regulatory Infrastructure Branch, Division of New 
and Renewed Licenses, Office of Nuclear Reactor Regulation.
[FR Doc. 2023-14577 Filed 7-10-23; 8:45 am]
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