[Federal Register Volume 86, Number 97 (Friday, May 21, 2021)]
[Notices]
[Page 27657]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2021-10748]
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NUCLEAR REGULATORY COMMISSION
[NRC-2021-0106]
Supplemental Guidance for Radiological Consequence Analyses Using
Alternative Source Terms
AGENCY: Nuclear Regulatory Commission.
ACTION: Draft interim staff guidance; request for comment.
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SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) is soliciting
public comment on its draft Interim Staff Guidance (ISG) Supplemental
Guidance for Radiological Consequence Analyses Using Alternative Source
Terms. This draft ISG proposes changes to the NRC's license amendment
request (LAR) review guidance document. This ISG is not intended as
standalone guidance but instead supplements NUREG-0800, ``Standard
Review Plan for the Review of Safety Analysis Reports for Nuclear Power
Plants: LWR [Light-Water Reactor] Edition'' Section 15.0.1,
``Radiological Consequence Analyses Using Alternative Source Terms.''
NUREG-0800, Section 15.0.1 was published in July 2000 and is not
scheduled to be updated for several years. This ISG provides additional
guidance for the NRC staff reviewing LARs that request to increase the
main steam isolation valve (MSIV) leakage allowed by technical
specifications (TS) for boiling water reactors (BWRs).
DATES: Submit comments by June 21, 2021. 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 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-2021-0106. 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: Jerry Dozier, Office of Nuclear
Reactor Regulation, U.S. Nuclear Regulatory Commission, Washington, DC
20555-0001; telephone: 301-415-3925, email: [email protected].
SUPPLEMENTARY INFORMATION:
I. Obtaining Information and Submitting Comments
A. Obtaining Information
Please refer to Docket ID NRC-2021-0106 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-2021-0106.
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, 301-415-4737, or
by email to [email protected]. The proposed ISG, ``Supplemental
Guidance for Radiological Consequence Analyses Using Alternative Source
Terms'' is available in ADAMS under Accession No. ML21078A051.
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 [email protected] or call 1-800-397-4209 or
301-415-4737, between 8:00 a.m. and 4:00 p.m. (EST), 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-2021-0106 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. Background
This ISG is intended to provide guidance for the NRC staff
reviewing LARs that request to increase the MSIV leakage allowed by TS
for BWRs. This ISG is not intended as standalone guidance but instead
supplements NUREG-0800, ``Standard Review Plan for the Review of Safety
Analysis Reports for Nuclear Power Plants: LWR [Light-Water Reactor]
Edition'' Section 15.0.1, ``Radiological Consequence Analyses Using
Alternative Source Terms'' (ADAMS Accession No. ML003734190).
As noted in an NRC memorandum, ``Implementing Commission Direction
on Applying Risk-informed Principles in Regulatory Decision making,''
dated November 19, 2019 (ADAMS Accession No. ML19319C832), the staff's
application of risk-informed decision making continues to evolve as
improved realism, evaluation techniques, and additional information are
applied to improve regulatory decision making. The development of this
ISG serves as an example of NRC's continuous efforts in working toward
being a more modern and risk-informed regulator.
Dated: May 17, 2021.
For the Nuclear Regulatory Commission.
Michael X. Franovich,
Director, Division of Risk Assessment, Office of Nuclear Reactor
Regulation.
[FR Doc. 2021-10748 Filed 5-20-21; 8:45 am]
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