Constellation Energy Generation, LLC.; Calvert Cliffs Nuclear Power Plant, Units 1 and 2; Independent Spent Fuel Storage Installation; Environmental Assessment and Finding of No Significant Impact, 43878-43881 [2024-10932]
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Federal Register / Vol. 89, No. 98 / Monday, May 20, 2024 / Notices
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[FR Doc. 2024–10927 Filed 5–17–24; 8:45 am]
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[Docket Nos. 72–78, 50–317, and 50–318;
NRC–2024–0085]
Constellation Energy Generation, LLC.;
Calvert Cliffs Nuclear Power Plant,
Units 1 and 2; Independent Spent Fuel
Storage Installation; Environmental
Assessment and Finding of No
Significant Impact
Nuclear Regulatory
Commission.
ACTION: Notice; issuance.
AGENCY:
The U.S. Nuclear Regulatory
Commission (NRC) is issuing an
environmental assessment (EA) and a
finding of no significant impact (FONSI)
for an exemption request submitted by
Constellation Energy Generation, LLC
(Constellation) that would permit
Calvert Cliffs Nuclear Power Plant
(CCNPP) to maintain nine loaded and to
SUMMARY:
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load six new 37 multi-purpose canisters
(MPC) with continuous basket shims
(CBS) in the HI-STORM Flood/Wind
(FW) MPC Storage System at its CCNPP
Units 1 and 2 Independent Spent Fuel
Storage Installation (ISFSI) in a storage
condition where the terms, conditions,
and specifications in the Certificate of
Compliance (CoC) No. 1032,
Amendment No. 1, Revision No. 1, are
not met.
The EA and FONSI referenced in
this document are available on May 20,
2024.
DATES:
Please refer to Docket ID
NRC–2024–0085 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 NRC–2024–0085. Address
questions about Docket IDs in
Regulations.gov to Stacy Schumann;
telephone: 301–415–0624; email:
Stacy.Schumann@nrc.gov. For technical
questions, contact the individual listed
in the ‘‘For Further Information
Contact’’ section of this document.
• NRC’s Agencywide Documents
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ADDRESSES:
YenJu Chen, Office of Nuclear Material
Safety and Safeguards, U.S. Nuclear
Regulatory Commission, Washington,
DC 20555; telephone: 301–415–1018;
email: Yen-Ju.Chen@nrc.gov.
FOR FURTHER INFORMATION CONTACT:
SUPPLEMENTARY INFORMATION:
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I. Introduction
The NRC is reviewing an exemption
request from Constellation, dated March
22, 2024. Constellation is requesting an
exemption pursuant to section 72.7 of
title 10 of the Code of Federal
Regulations (10 CFR), in paragraphs
72.212(a)(2), 72.212(b)(3),
72.212(b)(5)(i), 72.212(b)(11), and
72.214 that require Constellation to
comply with the terms, conditions, and
specifications of the CoC No. 1032,
Amendment No. 1, Revision No. 1. If
approved, the exemption would allow
Constellation to maintain nine loaded
and to load six new MPC–37–CBS in the
HI-STORM FW MPC Storage System at
the CCNPP ISFSI in a storage condition
where the terms, conditions, and
specifications in the CoC No. 1032,
Amendment No. 1, Revision No. 1, are
not met.
II. Environmental Assessment
Background
CCNPP is located near Maryland
Highway 2–4 in Calvert County on the
west bank of the Chesapeake Bay,
approximately halfway between the
mouth of the Chesapeake Bay and its
headwaters at the Susquehanna River.
Unit 1 began operating in 1975 and Unit
2 began operating in 1977. Constellation
has been storing spent fuel in an ISFSI
at CCNPP under a general license as
authorized by 10 CFR part 72, subpart
K, ‘‘General License for Storage of Spent
Fuel at Power Reactor Sites.’’
Constellation currently uses the HISTORM FW MPC Storage System under
CoC No. 1032, Amendment No. 1,
Revision No. 1, for dry storage of spent
nuclear fuel in a specific MPC (i.e.,
MPC–37) at the CCNPP ISFSI.
Description of the Proposed Action
The CoC is the NRC approved design
for each dry cask storage system. The
proposed action would exempt the
applicant from the requirements of 10
CFR 72.212(a)(2), 72.212(b)(3),
72.212(b)(5)(i), 72.212(b)(11), and
72.214 only as these requirements
pertain to the use of the MPC–37–CBS
in the HI-STORM FW MPC Storage
System for the already loaded systems
and the near-term planned loading of
the canisters. The exemption would
allow Constellation to maintain nine
loaded and to load six new MPC–37–
CBS in the HI-STORM FW MPC Storage
System at the CCNPP ISFSI, despite the
MPC–37–CBS in the HI-STORM FW
MPC Storage System not being in
compliance with the terms, conditions,
and specifications in the CoC No. 1032,
Amendment No. 1, Revision No. 1.
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The HI-STORM FW MPC Storage
System CoC provides the requirements,
conditions, and operating limits
necessary for use of the system to store
spent fuel. Holtec International (Holtec),
the designer and manufacturer of the HISTORM FW MPC Storage System,
developed a variant of the design with
CBS for the MPC–37, known as MPC–
37–CBS. Holtec originally implemented
the CBS variant design under the
provisions of 10 CFR 72.48, which
allows licensees to make changes to
cask designs without a CoC amendment
under certain conditions (listed in 10
CFR 72.48(c)). After evaluating the
specific changes to the cask designs, the
NRC determined that Holtec erred when
it implemented the CBS variant design
under 10 CFR 72.48, as this was not the
type of change allowed without a CoC
amendment. For this reason, the NRC
issued three Severity Level IV violations
to Holtec. Prior to the issuance of the
violations, Constellation had already
loaded nine MPC–37–CBS in a HISTORM FW MPC Storage System,
which are safely in storage on the
CCNPP ISFSI pad. Additionally,
Constellation plans to load six new
MPC–37–CBS in the HI-STORM FW
MPC Storage System beginning in July
2024. This exemption considers the
loading of the nine already loaded
systems and the near-term planned
loading of the six canisters with the CBS
variant basket design.
Need for the Proposed Action
Constellation requested this
exemption because Constellation is
currently out of compliance with NRC
requirements, resulting from the
previous loading of spent fuel into a
storage system with the CBS variant
basket design. This exemption would
allow nine already loaded MPC–37–CBS
in the HI-STORM FW MPC Storage
System to remain in storage at the
CCNPP ISFSI. The applicant also
requested the exemption in order to
allow CCNPP to load six new MPC–37–
CBS in HI-STORM FW MPC Storage
System at the CCNPP ISFSI for the
future loading campaign beginning in
July 2024.
Approval of the exemption request
would allow Constellation to effectively
manage the spent fuel pool margin and
capacity to enable refueling and
offloading fuel from the reactor. It
would also allow Constellation to
effectively manage the availability of the
specialized workforce and equipment
needed to support competing fuel
loading and operational activities at
CCNPP and other Constellation sites.
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Environmental Impacts of the Proposed
Action
This EA evaluates the potential
environmental impacts of granting an
exemption from the terms, conditions,
and specifications in CoC No. 1032,
Amendment No. 1, Revision No. 1. The
exemption would allow nine loaded
MPC–37–CBS in the HI-STORM FW
MPC Storage System to remain loaded at
the CCNPP ISFSI. The exemption also
would allow a near-term loading of six
new MPC–37–CBS to be loaded in the
HI-STORM FW MPC Storage System
and maintained in storage at the CCNPP
ISFSI.
The potential environmental impacts
of storing spent nuclear fuel in NRCapproved storage systems have been
documented in previous assessments.
On July 18, 1990, the NRC amended 10
CFR part 72 to provide for the storage
of spent fuel under a general license in
cask designs approved by the NRC. The
EA for the 1990 final rule analyzed the
potential environmental impacts of
using NRC-approved storage casks. The
EA for the HI-STORM FW MPC Storage
System, CoC No. 1032, Amendment No.
1, Revision No. 1, published in 2015,
tiers off of the EA issued for the July 18,
1990, final rule. ‘‘Tiering’’ off earlier
EAs is a standard process encouraged by
the regulations implementing the
National Environmental Policy Act of
1969 (NEPA) that entails the use of
impact analyses of previous EAs to
bound the impacts of a proposed action
where appropriate. The Holtec HISTORM FW MPC Storage System is
designed to mitigate the effects of design
basis accidents that could occur during
storage. Considering the specific design
requirements for the accident
conditions, the design of the cask would
prevent loss of containment, shielding,
and criticality control. If there is no loss
of containment, shielding, or criticality
control, the environmental impacts
would not be significant.
The exemptions requested by
Constellation at the CCNPP site as they
relate to CoC No. 1032, Amendment No.
1, Revision No. 1, for the HI-STORM FW
MPC Storage System are limited to the
use of the CBS variant basket design
only for the already loaded nine
canisters and near-term planned loading
of six canisters utilizing the CBS variant
basket design. The staff has determined
that this change in the basket will not
result in either radiological or nonradiological environmental impacts that
significantly differ from the
environmental impacts evaluated in the
EA supporting the issuance of CoC No.
1032, Amendment No. 1, Revision No.
1. If the exemption is granted, there will
be no significant change in the types or
amounts of any effluents released, no
significant increase in individual or
cumulative public or occupational
radiation exposure, and no significant
increase in the potential for or
consequences from radiological
accidents. Accordingly, the Commission
concludes that there would be no
significant environmental impacts
associated with the proposed action.
Alternative to the Proposed Action
The staff considered the no-action
alternative. The no-action alternative
(denial of the exemption request) would
require Constellation to unload spent
fuel from the MPC–37–CBS in the HISTORM FW MPC Storage System to
bring it in compliance with the CoC
terms, conditions, and specifications in
the CoC No. 1032, Amendment No. 1,
Revision No. 1. Unloading the cask
would subject station personnel to
additional radiation exposure, generate
additional contaminated waste, increase
the risk of a possible fuel handling
accident, and increase the risk of a
possible heavy load handling accident.
Furthermore, the removed spent fuel
would need to be placed in the spent
fuel pool, where it would remain until
approved storage casks can be fabricated
and delivered to site for loading. Delay
in the loading of this spent fuel into
other casks, as well as not allowing the
planned future loading campaign, could
affect Constellation’s ability to
effectively manage the spent fuel pool
capacity, reactor fuel offloading, and
refueling. It could also pose challenges
to spent fuel heat removal and impact
the availability of the specialized
workforce and equipment needed to
support competing fuel loading and
operational activities at CCNPP and
other Constellation sites. The NRC has
determined that the no-action
alternative would result in undue
potential human health and safety
impacts that could be avoided by
proceeding with the proposed
exemption, especially given that the
staff has concluded in NRC’s Safety
Determination Memorandum, issued
with respect to the enforcement action
against Holtec regarding these
violations, that fuel can be stored safety
in the MPC–37–CBS canisters.
Agencies Consulted
The NRC provided the Maryland
Department of Natural Resources
(MDNR) a copy of this draft EA for
review by an email dated April 29,
2024. On May 9, 2024, MDNR provided
its concurrence by email.
III. Finding of No Significant Impact
The environmental impacts of the
proposed action have been reviewed in
accordance with the requirements in 10
CFR part 51, which implement NEPA.
Based upon the foregoing EA, the NRC
finds that the proposed action of
granting the exemption from the
regulations in 10 CFR 72.212(a)(2),
72.212(b)(3), 72.212(b)(5)(i),
72.212(b)(11) and 72.214, which require
the licensee to comply with the terms,
conditions, and specifications of the
CoC, in this case limited to past and
specific future loadings of baskets with
the CBS variant design, would not
significantly impact the quality of the
human environment. Accordingly, the
NRC has determined that a FONSI is
appropriate, and an environmental
impact statement is not warranted.
IV. Availability of Documents
The documents identified in the
following table are available to
interested persons through ADAMS, as
indicated.
ADAMS accession No. or
Federal Register notice
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Document description
Constellation’s request for exemption, dated March 22, 2024 ......................................................................................
Certificate of Compliance No. 1032, Amendment 1, Revision 1, dated May 29, 2015 .................................................
Holtec International, Inc.—Notice of Violation; The U.S. Nuclear Regulatory Commission Inspection Report No.
07201014/2022–201, EA–23–044, dated January 30, 2024.
10 CFR part 72 amendment to allow spent fuel storage in NRC-approved casks, dated July 18, 1990 .....................
EA for part 72 amendment to allow spent fuel storage in NRC-approved casks, March 8, 1989 ................................
Final rule for List of Approved Spent Fuel Storage Casks: Holtec HI–STORM FW System CoC No. 1032, Amendment No. 1, Revision No. 1, dated March 19, 2015.
Safety Determination of a Potential Structural Failure of the Fuel Basket During Accident Conditions for the HI–
STORM 100 and HI–STORM Flood/Wind Dry Cask Storage Systems, dated January 31, 2024.
NRC email to MDNR regarding the review of EA/FONSI for CCNPP Exemption, dated April 29, 2024 .....................
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ADAMS accession No. or
Federal Register notice
Document description
MDNR’s email response regarding EA/FONSI for CCNPP Exemption, dated May 9, 2024 ........................................
For the Nuclear Regulatory Commission.
Dated: May 14, 2024.
Bernard H. White,
Acting Chief, Storage and Transportation
Licensing Branch, Division of Fuel
Management, Office of Nuclear Material
Safety and Safeguards.
Week of June 3, 2024—Tentative
Tuesday, June 4, 2024
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and Equal Employment
Opportunity (Public Meeting)
(Contact: Angie Randall: 301–415–
6806)
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webcast at the Web address—https://
video.nrc.gov/.
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Sunshine Act Meetings
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and June 3, 10, 17, 24, 2024. The
schedule for Commission meetings is
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NRC Commission Meeting Schedule can
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TIME AND DATE:
The NRC provides reasonable
accommodation to individuals with
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need this meeting notice or the
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STATUS:
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MATTERS TO BE CONSIDERED:
Week of May 20, 2024
There are no meetings scheduled for
the week of May 20, 2024.
Week of May 27, 2024—Tentative
There are no meetings scheduled for
the week of May 27, 2024.
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Friday, June 7, 2024
10:00 a.m. Meeting with Advisory
Committee on Reactor Safeguards
(Public Meeting) (Contact: Robert
Krsek: 301–415–1766)
Additional Information: The meeting
will be held in the Commissioners’
Hearing Room, 11555 Rockville Pike,
Rockville, Maryland. The public is
invited to attend the Commission’s
meeting in person or watch live via
webcast at the Web address—https://
video.nrc.gov/.
Week of June 10, 2024—Tentative
There are no meetings scheduled for
the week of June 10, 2024.
Week of June 17, 2024—Tentative
There are no meetings scheduled for
the week of June 17, 2024.
Week of June 24, 2024—Tentative
There are no meetings scheduled for
the week of June 24, 2024.
CONTACT PERSON FOR MORE INFORMATION:
For more information or to verify the
status of meetings, contact Wesley Held
at 301–287–3591 or via email at
Wesley.Held@nrc.gov.
The NRC is holding the meetings
under the authority of the Government
in the Sunshine Act, 5 U.S.C. 552b.
Dated: May 16, 2024.
For the Nuclear Regulatory Commission.
Wesley W. Held,
Policy Coordinator, Office of the Secretary.
[FR Doc. 2024–11086 Filed 5–16–24; 11:15 am]
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FOR FURTHER INFORMATION CONTACT:
Monica O’Donnell (odonnell.monica@
pbgc.gov), Attorney, Regulatory Affairs
SUMMARY:
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20MYN1
]]>Agencies
[Federal Register Volume 89, Number 98 (Monday, May 20, 2024)]
[Notices]
[Pages 43878-43881]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2024-10932]
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NUCLEAR REGULATORY COMMISSION
[Docket Nos. 72-78, 50-317, and 50-318; NRC-2024-0085]
Constellation Energy Generation, LLC.; Calvert Cliffs Nuclear
Power Plant, Units 1 and 2; Independent Spent Fuel Storage
Installation; Environmental Assessment and Finding of No Significant
Impact
AGENCY: Nuclear Regulatory Commission.
ACTION: Notice; issuance.
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SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) is issuing an
environmental assessment (EA) and a finding of no significant impact
(FONSI) for an exemption request submitted by Constellation Energy
Generation, LLC (Constellation) that would permit Calvert Cliffs
Nuclear Power Plant (CCNPP) to maintain nine loaded and to
[[Page 43879]]
load six new 37 multi-purpose canisters (MPC) with continuous basket
shims (CBS) in the HI-STORM Flood/Wind (FW) MPC Storage System at its
CCNPP Units 1 and 2 Independent Spent Fuel Storage Installation (ISFSI)
in a storage condition where the terms, conditions, and specifications
in the Certificate of Compliance (CoC) No. 1032, Amendment No. 1,
Revision No. 1, are not met.
DATES: The EA and FONSI referenced in this document are available on
May 20, 2024.
ADDRESSES: Please refer to Docket ID NRC-2024-0085 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 NRC-2024-0085. Address
questions about Docket IDs in Regulations.gov to Stacy Schumann;
telephone: 301-415-0624; email: [email protected]. For technical
questions, contact the individual listed in the ``For Further
Information Contact'' section of this document.
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.
FOR FURTHER INFORMATION CONTACT: Yen-Ju Chen, Office of Nuclear
Material Safety and Safeguards, U.S. Nuclear Regulatory Commission,
Washington, DC 20555; telephone: 301-415-1018; email: [email protected].
SUPPLEMENTARY INFORMATION:
I. Introduction
The NRC is reviewing an exemption request from Constellation, dated
March 22, 2024. Constellation is requesting an exemption pursuant to
section 72.7 of title 10 of the Code of Federal Regulations (10 CFR),
in paragraphs 72.212(a)(2), 72.212(b)(3), 72.212(b)(5)(i),
72.212(b)(11), and 72.214 that require Constellation to comply with the
terms, conditions, and specifications of the CoC No. 1032, Amendment
No. 1, Revision No. 1. If approved, the exemption would allow
Constellation to maintain nine loaded and to load six new MPC-37-CBS in
the HI-STORM FW MPC Storage System at the CCNPP ISFSI in a storage
condition where the terms, conditions, and specifications in the CoC
No. 1032, Amendment No. 1, Revision No. 1, are not met.
II. Environmental Assessment
Background
CCNPP is located near Maryland Highway 2-4 in Calvert County on the
west bank of the Chesapeake Bay, approximately halfway between the
mouth of the Chesapeake Bay and its headwaters at the Susquehanna
River. Unit 1 began operating in 1975 and Unit 2 began operating in
1977. Constellation has been storing spent fuel in an ISFSI at CCNPP
under a general license as authorized by 10 CFR part 72, subpart K,
``General License for Storage of Spent Fuel at Power Reactor Sites.''
Constellation currently uses the HI-STORM FW MPC Storage System under
CoC No. 1032, Amendment No. 1, Revision No. 1, for dry storage of spent
nuclear fuel in a specific MPC (i.e., MPC-37) at the CCNPP ISFSI.
Description of the Proposed Action
The CoC is the NRC approved design for each dry cask storage
system. The proposed action would exempt the applicant from the
requirements of 10 CFR 72.212(a)(2), 72.212(b)(3), 72.212(b)(5)(i),
72.212(b)(11), and 72.214 only as these requirements pertain to the use
of the MPC-37-CBS in the HI-STORM FW MPC Storage System for the already
loaded systems and the near-term planned loading of the canisters. The
exemption would allow Constellation to maintain nine loaded and to load
six new MPC-37-CBS in the HI-STORM FW MPC Storage System at the CCNPP
ISFSI, despite the MPC-37-CBS in the HI-STORM FW MPC Storage System not
being in compliance with the terms, conditions, and specifications in
the CoC No. 1032, Amendment No. 1, Revision No. 1.
The HI-STORM FW MPC Storage System CoC provides the requirements,
conditions, and operating limits necessary for use of the system to
store spent fuel. Holtec International (Holtec), the designer and
manufacturer of the HI-STORM FW MPC Storage System, developed a variant
of the design with CBS for the MPC-37, known as MPC-37-CBS. Holtec
originally implemented the CBS variant design under the provisions of
10 CFR 72.48, which allows licensees to make changes to cask designs
without a CoC amendment under certain conditions (listed in 10 CFR
72.48(c)). After evaluating the specific changes to the cask designs,
the NRC determined that Holtec erred when it implemented the CBS
variant design under 10 CFR 72.48, as this was not the type of change
allowed without a CoC amendment. For this reason, the NRC issued three
Severity Level IV violations to Holtec. Prior to the issuance of the
violations, Constellation had already loaded nine MPC-37-CBS in a HI-
STORM FW MPC Storage System, which are safely in storage on the CCNPP
ISFSI pad. Additionally, Constellation plans to load six new MPC-37-CBS
in the HI-STORM FW MPC Storage System beginning in July 2024. This
exemption considers the loading of the nine already loaded systems and
the near-term planned loading of the six canisters with the CBS variant
basket design.
Need for the Proposed Action
Constellation requested this exemption because Constellation is
currently out of compliance with NRC requirements, resulting from the
previous loading of spent fuel into a storage system with the CBS
variant basket design. This exemption would allow nine already loaded
MPC-37-CBS in the HI-STORM FW MPC Storage System to remain in storage
at the CCNPP ISFSI. The applicant also requested the exemption in order
to allow CCNPP to load six new MPC-37-CBS in HI-STORM FW MPC Storage
System at the CCNPP ISFSI for the future loading campaign beginning in
July 2024.
Approval of the exemption request would allow Constellation to
effectively manage the spent fuel pool margin and capacity to enable
refueling and offloading fuel from the reactor. It would also allow
Constellation to effectively manage the availability of the specialized
workforce and equipment needed to support competing fuel loading and
operational activities at CCNPP and other Constellation sites.
[[Page 43880]]
Environmental Impacts of the Proposed Action
This EA evaluates the potential environmental impacts of granting
an exemption from the terms, conditions, and specifications in CoC No.
1032, Amendment No. 1, Revision No. 1. The exemption would allow nine
loaded MPC-37-CBS in the HI-STORM FW MPC Storage System to remain
loaded at the CCNPP ISFSI. The exemption also would allow a near-term
loading of six new MPC-37-CBS to be loaded in the HI-STORM FW MPC
Storage System and maintained in storage at the CCNPP ISFSI.
The potential environmental impacts of storing spent nuclear fuel
in NRC-approved storage systems have been documented in previous
assessments. On July 18, 1990, the NRC amended 10 CFR part 72 to
provide for the storage of spent fuel under a general license in cask
designs approved by the NRC. The EA for the 1990 final rule analyzed
the potential environmental impacts of using NRC-approved storage
casks. The EA for the HI-STORM FW MPC Storage System, CoC No. 1032,
Amendment No. 1, Revision No. 1, published in 2015, tiers off of the EA
issued for the July 18, 1990, final rule. ``Tiering'' off earlier EAs
is a standard process encouraged by the regulations implementing the
National Environmental Policy Act of 1969 (NEPA) that entails the use
of impact analyses of previous EAs to bound the impacts of a proposed
action where appropriate. The Holtec HI-STORM FW MPC Storage System is
designed to mitigate the effects of design basis accidents that could
occur during storage. Considering the specific design requirements for
the accident conditions, the design of the cask would prevent loss of
containment, shielding, and criticality control. If there is no loss of
containment, shielding, or criticality control, the environmental
impacts would not be significant.
The exemptions requested by Constellation at the CCNPP site as they
relate to CoC No. 1032, Amendment No. 1, Revision No. 1, for the HI-
STORM FW MPC Storage System are limited to the use of the CBS variant
basket design only for the already loaded nine canisters and near-term
planned loading of six canisters utilizing the CBS variant basket
design. The staff has determined that this change in the basket will
not result in either radiological or non-radiological environmental
impacts that significantly differ from the environmental impacts
evaluated in the EA supporting the issuance of CoC No. 1032, Amendment
No. 1, Revision No. 1. If the exemption is granted, there will be no
significant change in the types or amounts of any effluents released,
no significant increase in individual or cumulative public or
occupational radiation exposure, and no significant increase in the
potential for or consequences from radiological accidents. Accordingly,
the Commission concludes that there would be no significant
environmental impacts associated with the proposed action.
Alternative to the Proposed Action
The staff considered the no-action alternative. The no-action
alternative (denial of the exemption request) would require
Constellation to unload spent fuel from the MPC-37-CBS in the HI-STORM
FW MPC Storage System to bring it in compliance with the CoC terms,
conditions, and specifications in the CoC No. 1032, Amendment No. 1,
Revision No. 1. Unloading the cask would subject station personnel to
additional radiation exposure, generate additional contaminated waste,
increase the risk of a possible fuel handling accident, and increase
the risk of a possible heavy load handling accident. Furthermore, the
removed spent fuel would need to be placed in the spent fuel pool,
where it would remain until approved storage casks can be fabricated
and delivered to site for loading. Delay in the loading of this spent
fuel into other casks, as well as not allowing the planned future
loading campaign, could affect Constellation's ability to effectively
manage the spent fuel pool capacity, reactor fuel offloading, and
refueling. It could also pose challenges to spent fuel heat removal and
impact the availability of the specialized workforce and equipment
needed to support competing fuel loading and operational activities at
CCNPP and other Constellation sites. The NRC has determined that the
no-action alternative would result in undue potential human health and
safety impacts that could be avoided by proceeding with the proposed
exemption, especially given that the staff has concluded in NRC's
Safety Determination Memorandum, issued with respect to the enforcement
action against Holtec regarding these violations, that fuel can be
stored safety in the MPC-37-CBS canisters.
Agencies Consulted
The NRC provided the Maryland Department of Natural Resources
(MDNR) a copy of this draft EA for review by an email dated April 29,
2024. On May 9, 2024, MDNR provided its concurrence by email.
III. Finding of No Significant Impact
The environmental impacts of the proposed action have been reviewed
in accordance with the requirements in 10 CFR part 51, which implement
NEPA. Based upon the foregoing EA, the NRC finds that the proposed
action of granting the exemption from the regulations in 10 CFR
72.212(a)(2), 72.212(b)(3), 72.212(b)(5)(i), 72.212(b)(11) and 72.214,
which require the licensee to comply with the terms, conditions, and
specifications of the CoC, in this case limited to past and specific
future loadings of baskets with the CBS variant design, would not
significantly impact the quality of the human environment. Accordingly,
the NRC has determined that a FONSI is appropriate, and an
environmental impact statement is not warranted.
IV. Availability of Documents
The documents identified in the following table are available to
interested persons through ADAMS, as indicated.
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Document description ADAMS accession No. or Federal Register notice
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Constellation's request for exemption, dated March 22, 2024 ML24082A008
Certificate of Compliance No. 1032, Amendment 1, Revision ML15152A358 (Package)
1, dated May 29, 2015.
Holtec International, Inc.--Notice of Violation; The U.S. ML24016A190
Nuclear Regulatory Commission Inspection Report No.
07201014/2022-201, EA-23-044, dated January 30, 2024.
10 CFR part 72 amendment to allow spent fuel storage in NRC- 55 FR 29181
approved casks, dated July 18, 1990.
EA for part 72 amendment to allow spent fuel storage in NRC- ML051230231
approved casks, March 8, 1989.
Final rule for List of Approved Spent Fuel Storage Casks: 80 FR 14291
Holtec HI-STORM FW System CoC No. 1032, Amendment No. 1,
Revision No. 1, dated March 19, 2015.
Safety Determination of a Potential Structural Failure of ML24018A085
the Fuel Basket During Accident Conditions for the HI-
STORM 100 and HI-STORM Flood/Wind Dry Cask Storage
Systems, dated January 31, 2024.
NRC email to MDNR regarding the review of EA/FONSI for ML24131A121
CCNPP Exemption, dated April 29, 2024.
[[Page 43881]]
MDNR's email response regarding EA/FONSI for CCNPP ML24131A120
Exemption, dated May 9, 2024.
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For the Nuclear Regulatory Commission.
Dated: May 14, 2024.
Bernard H. White,
Acting Chief, Storage and Transportation Licensing Branch, Division of
Fuel Management, Office of Nuclear Material Safety and Safeguards.
[FR Doc. 2024-10932 Filed 5-17-24; 8:45 am]
BILLING CODE 7590-01-P
