[Federal Register Volume 74, Number 177 (Tuesday, September 15, 2009)]
[Proposed Rules]
[Pages 47126-47138]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: E9-22126]


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NUCLEAR REGULATORY COMMISSION

10 CFR Part 72

[NRC-2008-0361]
RIN 3150-AI09


License and Certificate of Compliance Terms

AGENCY: Nuclear Regulatory Commission.

ACTION: Proposed rule.

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SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) is proposing to 
amend its regulations that govern licensing requirements for the 
independent storage of spent nuclear fuel. These proposed amendments 
include changes that would enhance the effectiveness and efficiency of 
the licensing process for spent nuclear fuel storage. Specifically, 
they would clarify the term limits for dry storage cask Certificates of 
Compliance (CoCs) and independent spent fuel storage installation 
(ISFSI) specific licenses. The proposed amendments would also provide 
consistency between the general and specific ISFSI license 
requirements, and allow general licensees subject to these regulations 
to implement changes authorized by an amended CoC to a cask loaded 
under the initial CoC or an earlier amended CoC (a ``previously loaded 
cask'').

DATES: The comment period expires November 30, 2009. Comments received 
after this date will be considered if it is practical to do so, but the 
NRC is able to assure consideration only for comments received on or 
before this date.

ADDRESSES: You may submit comments by any one of the following methods. 
Please include Docket ID NRC-2008-0361 in the subject line of your 
comments. Comments submitted in writing or in electronic form will be 
posted on the NRC Web site and on the Federal rulemaking Web site 
Regulations.gov. Because your comments will not be edited to remove any 
identifying or contact information, the NRC cautions you against 
including any information in your submission that you do not want to be 
publicly disclosed.
    The NRC requests that any party soliciting or aggregating comments 
received from other persons for submission to the NRC inform those 
persons that the NRC will not edit their comments to remove any 
identifying or contact information, and therefore, they should not 
include any information in

[[Page 47127]]

their comments that they do not want publicly disclosed.
    Federal Rulemaking Web site: Go to http://www.regulations.gov and 
search for documents filed under Docket ID NRC-2008-0361. Address 
questions about NRC dockets to Carol Gallagher 301-492-3668; e-mail 
[email protected].
    Mail comments to: Secretary, U.S. Nuclear Regulatory Commission, 
Washington, DC 20555-0001, ATTN: Rulemakings and Adjudications Staff.
    E-mail comments to: [email protected]. If you do not 
receive a reply e-mail confirming that we have received your comments, 
contact us directly at 301-415-1677.
    Hand deliver comments to: 11555 Rockville Pike, Rockville, Maryland 
20852, between 7:30 a.m. and 4:15 p.m. Federal workdays. (Telephone 
301-415-1677).
    Fax comments to: Secretary, U.S. Nuclear Regulatory Commission at 
301-415-1101.
    You may submit comments on the information collections by the 
methods indicated in the Paperwork Reduction Act Statement.
    You can access publicly available documents related to this 
proposed rule using the following methods:
    NRC's Public Document Room (PDR): The public may examine and have 
copied for a fee publicly available documents at NRC's PDR, Public File 
Area O1 F21, One White Flint North, 11555 Rockville Pike, Rockville, 
Maryland.
    NRC's Agencywide Documents Access and Management System (ADAMS): 
Publicly available documents created or received at the NRC are 
available electronically at the NRC's Electronic Reading Room at http://www.nrc.gov/reading-rm/adams.html. From this site, the public can gain 
entry into ADAMS, which provides text and image files of NRC's public 
documents. If you do not have access to ADAMS or if there are problems 
in accessing the documents located in ADAMS, contact the NRC's PDR 
reference staff at 1-800-397-4209, 301-415-4737 or by e-mail to 
[email protected].
    Federal Rulemaking Web site: Public comments and supporting 
materials related to this proposed rule can be found at http://www.regulations.gov by searching on Docket ID NRC-2008-0361.

FOR FURTHER INFORMATION CONTACT: Keith McDaniel, Office of Federal and 
State Materials and Environmental Management Programs, U.S. Nuclear 
Regulatory Commission, Washington, DC 20555-0001, telephone (301) 415-
5252, e-mail, [email protected].

SUPPLEMENTARY INFORMATION:

I. Background
II. Discussion
    A. What action is the NRC taking, and why?
    B. Whom does this action affect?
    C. Why is the NRC increasing initial and renewal terms for site-
specific ISFSI licenses from 20 years to not to exceed 40 years?
    D. Can applicants apply for an initial or renewal term greater 
than 40 years?
    E. Why is the NRC changing the word ``reapproval'' to 
``renewal''?
    F. Why is the NRC adding a definition for the term ``time-
limited aging analyses''?
    G. What is an aging management program (AMP)?
    H. Why is the NRC requiring an AMP?
    I. Why is the NRC changing the 20-year general license term for 
cask designs approved for use under the general license provisions?
    J. Are there possible conflicts that could arise for storage 
cask designs that are granted a term extension that are also 
approved for a different term limit as a transportation package?
    K. How do general licensees track cask expiration dates?
    L. Who is responsible for applying for CoC renewals?
    M. Does the NRC have a definition for ``terms, conditions, and 
specifications'' as related to the CoC?
    N. Under the proposed rule, can a licensee apply CoC amendments 
to previously loaded casks?
    O. May a general licensee implement only some of the authorized 
changes in a CoC amendment without prior NRC approval?
    P. Do later CoC amendments encompass earlier CoC amendments?
    Q. Why can't general licensees use the 10 CFR 72.48 process to 
apply CoC amendment changes to previously loaded casks?
    R. If a general licensee selects and purchases a cask system 
under an earlier amendment, but does not load the casks, can the 
general licensee adopt the most recent amendment for the empty casks 
before loading them?
    S. What are NRC's plans for providing guidance and examples of 
aging analyses and AMPs to licensees?
    T. Could the NRC maintain the current paragraph designations of 
10 CFR 72.212(b)?
    U. When are licensees required to submit cask registration 
letters?
    V. If a CoC is not renewed, how long would general licensees 
have to remove expired casks from service?
    W. When NRC renews a CoC, are all amendments to that CoC 
simultaneously renewed as well?
    X. If a general licensee applies for the renewal of a given CoC 
(assuming the certificate holder went out of business or chose not 
to apply for the renewal of a given CoC), and if the NRC approves 
the renewal of that CoC, is the renewed CoC available only to that 
general licensee or is it available to all general licensees?
    Y. Can the requirements in the proposed rule regarding time-
limited aging analyses for CoC renewals be based upon a ``current 
licensing basis'' patterned after 10 CFR Part 54 rather than the 10 
CFR Part 50 design bases?
    Z. What is the status of the draft NRC Regulatory Issue Summary 
(RIS) 2007-26 which was issued on January 14, 2008 (73 FR 2281)?
    AA. On what issues does the Nuclear Regulatory Commission 
specifically ask for public review and comment?
III. Discussion of Proposed Amendments by Section
IV. Criminal Penalties
V. Agreement State Compatibility
VI. Plain Language
VII. Voluntary Consensus Standards
VIII. Finding of No Significant Environmental Impact: Availability
IX. Paperwork Reduction Act Statement
X. Regulatory Analysis
XI. Regulatory Flexibility Certification
XII. Backfit Analysis

I. Background

    On April 29, 2002, the Virginia Power and Electric Company 
(Dominion) submitted an application to renew Special Nuclear Materials 
(SNM) License SNM-2501 for the Surry ISFSI. SNM-2501 authorizes the 
storage of spent nuclear fuel in dry casks at the Surry Nuclear Power 
Plant. In the renewal application, Dominion requested an exemption from 
the 20-year license renewal term specified in 10 CFR 72.42(a) and 
sought approval for a 40-year license renewal term. Similarly, on 
February 27, 2004, Progress Energy Carolinas, Inc. (Progress Energy) 
submitted an application for the renewal of H. B. Robinson's ISFSI 
license which requested an exemption from the provisions of 10 CFR 
72.42(a), so that the license renewal period for the H. B. Robinson 
ISFSI could be extended from 20 to 40 years.
    The NRC staff determined the 40-year renewal exemption request to 
be a policy decision, not a technical one, because the safety 
evaluation indicated sufficient technical information had been provided 
in the application to grant the 40-year renewal period. As a result, a 
Commission paper (SECY-04-0175) entitled, ``Options for Addressing the 
Surry Independent Spent Fuel Storage Installation License-Renewal 
Period Exemption Request,'' was submitted on September 28, 2004, to 
request Commission approval of the Surry 40-year renewal exemption 
request.
    On November 29, 2004, the Commission issued a Staff Requirements 
Memorandum (SRM) for SECY-04-0175, which authorized the NRC staff to 
approve 40-year license renewal terms for the Surry ISFSI, with

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appropriate license conditions to manage the effects of aging. The SRM 
further directed the NRC staff to: (1) Initiate a program to review the 
technical basis for future rulemaking; (2) provide recommendations on 
the license term for Part 72 CoCs for spent nuclear fuel dry cask 
storage systems; and (3) apply the Commission-approved guidance for 
Part 72 renewals to future site-specific exemption requests without 
further Commission approval. In response to this direction, the staff 
submitted a Commission paper (SECY-06-0152) entitled, ``Title 10 Code 
of Federal Regulations Part 72 License and Certificate of Compliance 
Terms,'' on July 7, 2006, to recommend the scope of rulemaking.
    In an SRM, dated August 14, 2006, the Commission authorized the 
staff to proceed with rulemaking proposals described in SECY-06-0152. 
In addition, the Commission specifically directed the staff to address 
the following points in the rulemaking: (1) Clarify the start of the 
20-year term limit for cask designs approved under general license 
provisions; (2) identify whether the cask vendor or licensee is 
responsible for applying for the CoC renewals; (3) discuss possible 
conflicts that could arise for storage cask designs that are granted a 
license term extension and that have been approved for transport with a 
different license term; (4) discuss how the cask expiration dates are 
tracked at each general license site so that it is clearly understood 
when the CoC for each cask design must be renewed; and (5) clarify the 
difference between CoC ``approval'' and ``renewal.''
    As this rulemaking commenced, the NRC staff identified a related 
issue regarding its approval of Amendment 4 to CoC 72-1026, which 
revised cask monitoring and surveillance requirements for the BNG Fuel 
Solutions W-150 storage cask. Subsequent to the approval, the 
certificate holder requested guidance from the NRC on the 
implementation of the changes authorized by the CoC amendment to 
previously loaded casks. In addition to this request, the NRC staff 
became aware of the belief among some general licensees that changes 
authorized by CoC amendments can be applied to previously loaded casks 
without prior NRC approval, if an analysis under Sec.  72.48 is 
performed.
    The NRC staff determined that under the current regulations, 
changes authorized by CoC amendments cannot be applied to previously 
loaded casks without express NRC approval, if such change results in a 
change to the terms or conditions of the CoC under which the cask was 
loaded. A previously loaded cask is bound by the terms and conditions 
(including the technical specifications) of the CoC applicable to that 
cask when the licensee loaded the cask. Therefore, under the current 
regulations, general licensees that want to apply changes approved by a 
CoC amendment to a previously loaded cask must request an exemption 
from the NRC if these changes alter the terms or conditions of the CoC 
under which that cask was loaded.
    In the SRM for COMSECY-07-0032, dated December 12, 2007, the 
Commission stated that it did not object to the staff expanding the 
scope of the proposed rulemaking to include two issues concerning the 
extension of license renewal terms for ISFSI specific licenses and to 
allow Part 72 general licensees to apply CoC amendment changes to 
previously loaded casks.
    In the August 14, 2006, SRM for SECY-06-0152, the Commission 
directed the NRC staff to be as transparent as possible in developing 
the proposed rule package, including making draft text available for 
comment to stakeholders, and holding public meetings, if necessary, 
before formal submission of the proposed rule to the Commission. In 
response, the NRC staff held public meetings on November 7, 2006, and 
February 29, 2008, to discuss the technical bases of the rulemaking 
with stakeholders. In addition, on August 4, 2008, the NRC staff made 
preliminary draft rule text available for comment to stakeholders on 
Regulations.gov (Docket ID NRC-2008-0361). The only external 
stakeholders that submitted comments were Nuclear Energy Institute and 
Florida Power and Light. The comments generally supported the 
rulemaking. The ``Discussion'' section of this document includes NRC 
responses to significant stakeholder comments.

II. Discussion

A. What action is the NRC taking, and why?

    The NRC is proposing to revise Part 72 requirements for site-
specific and general ISFSI licensees and CoCs to enhance the 
effectiveness and efficiency of the licensing process.
    For site-specific ISFSI licenses, the Commission is proposing to 
codify a technical approach consistent with that applied in granting 
the 40-year exemptions for the Surry and H. B. Robinson site-specific 
ISFSI license renewals, so that all site-specific ISFSI licensees will 
have the flexibility to request up to 40-year initial and renewal terms 
while ensuring safe and secure storage of spent nuclear fuel.
    For CoCs, the Commission is also proposing to allow the flexibility 
for applicants to request initial and renewal terms up to 40 years. 
Question C of this section discusses the technical basis for this 
change. Under this proposed change, applicants would be required to 
demonstrate that design and support/operational programs are suitable 
for the requested term. The NRC staff has developed a standard review 
plan for renewal applications.
    For both site-specific licenses and CoCs, the proposed rule adds a 
requirement that renewal applicants must provide time limited aging 
analyses and a description of an aging management program (see 
Questions F, G, and H) to ensure that storage casks will perform as 
designed under extended license terms.
    The NRC is proposing to replace the term ``reapproval,'' which is 
used to describe the process of extending the CoC terms, to ``renewal'' 
for consistency with site-specific license terminology. Question E of 
this section discusses the rationale for this change.
    The proposed rule also would allow general licensees to implement 
changes associated with CoC amendments to previously loaded casks, 
provided that the loaded cask conforms to the CoC amendment codified by 
the NRC in Sec.  72.214 and continue to ensure the safe and secure 
storage of spent fuel. Question N of this section discusses the 
rationale for this change.

B. Whom does this action affect?

    The proposed rule would affect Part 72 site-specific and general 
licensees and certificate holders.

C. Why is the NRC increasing initial and renewal terms for site-
specific ISFSI licenses from 20 years to not to exceed 40 years?

    The NRC is increasing initial and renewal terms for site-specific 
ISFSI licenses from 20 years to not to exceed 40 years to be consistent 
with the NRC staff's findings regarding the safety of spent nuclear 
fuel storage, as documented in the renewal exemptions issued to the 
Surry and H.B. Robinson ISFSIs. During the review for the Surry and H. 
B. Robinson renewal applications, the NRC staff evaluated the technical 
data resulting from an NRC-supported research program at the Idaho 
National Laboratory (INL), formerly Idaho National Engineering and 
Environmental Laboratory, and also considered experience with dry spent 
fuel storage casks used at Surry. Under the INL research program, INL 
opened

[[Page 47129]]

a dry storage cask after the fuel had been stored for approximately 15 
years. At Surry, several casks were also opened after less than 15 
years of storage as a result of some faulty weather covers which were 
corrected. Summaries of the findings regarding the condition of the 
fuel and cask components follow:
    (1) Cladding creep is a time-dependent change in the dimension of 
the cladding resulting from high temperature and stress. It was 
considered as a potential degradation mechanism during storage. 
Confirmatory inspection of the spent fuel stored at INL verified that 
no cladding creep had occurred. The spent fuel in dry storage at Surry 
also supports this finding. The NRC staff expects very little to no 
fuel degradation at the end of an extended licensing period. The 
established limits for cladding temperature during storage, and 
continually decreasing level of cladding stress and temperature, 
further remove creep as a degradation mechanism. Assessment indicated 
that cladding creep would not be an issue.
    (2) The NRC staff also expects limited degradation of other 
internal components because there are no significant corrosive 
influences in the inert environment, either for the fuel or for other 
components. The INL inspection verified that there was no indication of 
corrosion for any internal canister components. The NRC staff has also 
concluded that radiation levels are too low to significantly alter the 
properties of the metals for any storage canister components.
    (3) The other external components of the storage systems (which are 
exposed to weathering effects) would already be covered by an 
inspection and corrective action program, or routine maintenance, to 
ensure that any degradation will be identified and assessed for its 
importance to safety, and will be addressed through corrective actions 
to ensure continued safe operation of the storage system.
    Based on these findings, the NRC staff concludes that, with 
appropriate aging management and maintenance programs, license terms 
not to exceed 40 years are reasonable and protect public health and 
safety and the environment.

D. Can applicants apply for an initial or renewal term greater than 40 
years?

    Under the proposed rule, applicants cannot apply for an initial or 
renewal term greater than 40 years. Any request for a term greater than 
40 years must be justified and will be processed as an exemption 
request under Sec.  72.7. As discussed in Question C of this section, 
the NRC staff believes that 40-year increments are reasonable without 
undue risk to the public or to the environment, if there are 
appropriate aging management and maintenance programs.
    The license term (i.e., initial license or renewed license) 
establishes specific intervals for the systematic evaluation of 
systems, structures, and components important to safety to ensure their 
safe operation. For licensing purposes, the Commission has determined 
that the license term for dry spent fuel cask storage is limited to 40 
years or less depending on the technical justification submitted by the 
licensee. However, if a licensee requested that a specific license 
period be longer than 40 years, that license application would have to 
provide additional information on the long-term material degradation of 
dry spent fuel storage casks, as well as associated aging management 
activities, to justify safe operation during the extended period, and 
the NRC would need to evaluate this information. This discussion about 
license renewal terms longer than 40 years does not imply that the 
spent fuel cannot be safely stored beyond the maximum allowed 40 year 
license term. In fact, the regulations place no restrictions on the 
number of times the license can be renewed. The key element in 
approving an initial license application or renewal application is a 
finding of reasonable assurance that the public health and safety will 
be protected during the license term. This finding arises from the 
review of the technical basis.

E. Why is the NRC changing the word ``reapproval'' to ``renewal''?

    The NRC is changing the word ``reapproval'' to ``renewal'' in the 
proposed rule to be consistent with the terminology used in other 
license requirements under Part 72. Currently, Sec.  72.240 uses 
``reapproval'' to describe the process of extending the terms of CoCs. 
However, this terminology differs from other sections in Part 72. For 
example, Sec.  72.42 uses the word ``renewal'' to define the process 
for extending the term of site-specific ISFSI licenses, and Sec.  
72.212(a)(3) uses ``renewal'' to define the process for the continued 
use of storage casks of a particular design at a given site. Although 
``reapproval'' and ``renewal'' are similar words, they are subject to 
different regulatory interpretations. ``Renewal'' typically implies a 
process whereby a new license, subject to the same requirements as the 
original, replaces an expired license. ``Reapproval'' could imply a 
process to reevaluate the design bases in accordance with current 
review standards, which may be different from the standards in place at 
initial certification and storage cask use.
    By using the word ``renewal,'' the proposed rule revisions would 
remove ambiguity from the process for extending the terms of CoCs, as 
opposed to the uncertainty of extending CoC terms based on reevaluation 
of design bases using current standards. Although the NRC continuously 
updates its review standards, no compelling safety concerns have been 
identified to warrant the removal of spent fuel from a cask design that 
does not meet the latest review standards.
    In addition, the Statements of Consideration (55 FR 29184; July 18, 
1990) for the final rule that added the general license provisions to 
Part 72 stated that the intent of reapproval is not to reevaluate the 
initial licensing basis: ``[t]he procedure for reapproval of cask 
designs was not intended to repeat all the analyses required for the 
original approval.'' Thus, this interpretation of ``reapproval'' is 
more in the nature of a ``renewal,'' in that the initial licensing 
basis does not need to be reevaluated to extend CoC terms.
    The referenced Statements of Consideration also reported that, 
``[t]he Commission believes that the staff should review spent fuel 
storage cask designs periodically to consider any new information, 
either generic to spent fuel storage or specific cask designs, that may 
have arisen since issuance of the Certificate of Compliance.'' Clearly, 
measures would need to be taken if the ``new information'' involves 
safety concerns. These measures would depend on the nature of the 
safety concerns and the cask design. Requests for Additional 
Information (RAIs) may be generated during the renewal process to 
prompt licensees/applicants to address such safety concerns.
    The NRC recognizes that a cask design certified years ago may not 
meet the latest standards, yet it may be fully acceptable to continue 
to store fuel already in casks of that design. Furthermore, there would 
be significant safety considerations if spent fuel were to be 
repackaged. When considering repackaging, safety considerations 
associated with the repackaging operation should be weighed against any 
safety concerns with leaving the spent fuel in its existing storage 
container. Renewal for an existing loaded cask should consider the 
initial licensing basis. For an unloaded cask or an older cask design 
whose CoC has expired, it would be prudent to review it against the 
latest standards.

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F. Why is the NRC adding a definition for the term ``time-limited aging 
analyses''?

    Time-Limited Aging Analyses (TLAA) is a process to assess systems, 
structures, and components (SSCs) important to safety which have a 
time-dependent operating life. The NRC is proposing to add a definition 
for TLAA because TLAA would be required for the renewal of a site-
specific license under proposed Sec.  72.42(a)(1) and for the renewal 
of a spent fuel storage cask CoC under proposed Sec.  72.240(c)(2). 
Furthermore, stakeholders asked for a definition of ``time-limited 
aging analyses'' when they reviewed the initial guidance document for 
the Surry and H. B. Robinson site-specific ISFSI license renewals.

G. What is an Aging Management Program (AMP)?

    An AMP is a program for addressing aging effects which may include 
prevention, mitigation, condition monitoring and performance monitoring 
programs. SSCs must be evaluated to demonstrate that aging effects will 
not compromise the SSCs' intended functions during the storage period.

H. Why is the NRC requiring an AMP?

    The NRC believes that it is appropriate to codify an AMP in Part 72 
for applicants who apply to renew site-specific ISFSI licenses or CoCs 
because degradation of the SSCs at an ISFSI, such as degradation due to 
corrosion, radiation, and creep, are time-dependent mechanisms. AMP 
requirements would ensure that SSCs will perform as designers intended 
during the renewal period.

I. Why is the NRC changing the 20-year general license term for cask 
designs approved for use under the general license provisions?

    The NRC is proposing to change the 20-year general license term 
limit for the storage of spent fuel in casks fabricated under a CoC to 
be consistent with the proposed revisions to CoC initial and renewal 
terms (which establish a CoC term not to exceed 40 years).
    Under Sec.  72.210, a general license for the storage of spent fuel 
in an ISFSI at power reactor sites is issued to those persons 
authorized to possess or operate nuclear power reactors under 10 CFR 
Parts 50 or 52. The general license is limited to that spent fuel which 
the general licensee is authorized to possess at the site under the 
specific license for the site. The general license is further limited 
to storage of spent fuel in casks approved and fabricated under the 
provisions of Subpart L of Part 72. Currently, the general licensee's 
authority to use a particular cask design under an approved CoC 
terminates 20 years after the date that the general licensee first uses 
the particular cask to store spent fuel, unless the cask's CoC is 
renewed, in which case the general license terminates 20 years after 
the CoC renewal date. In the event the cask's CoC were to expire, any 
loaded spent fuel storage casks of that design would need to be removed 
from service after a storage period not to exceed 20 years.
    The NRC proposes to revise the regulations to specify that the 
general license for the storage of spent fuel in each cask fabricated 
under a CoC commences upon the date that the particular cask is first 
used by the general licensee to store spent fuel and shall not exceed 
the term certified by the cask's CoC, unless the cask's CoC is renewed, 
in which case the general license terminates when the cask's CoC 
expires. The proposed rule further specifies that if a CoC were to 
expire, any loaded spent fuel storage casks of that design would need 
to be removed from service after a storage period not to exceed the 
term certified by the cask's CoC.

J. Are there possible conflicts that could arise for storage cask 
designs that are granted a term extension that are also approved for a 
different term limit as a transportation package?

    The Commission raised this issue in its SRM for SECY-06-0152, dated 
August 14, 2006. The NRC staff does not foresee any possible conflicts. 
The current regulations in Part 72 encourage, but do not require 
storage cask designs to have a compatible, approved transportation 
cask. So called ``dual use'' systems must be separately certified under 
the requirements in 10 CFR Part 71 (transportation) and Part 72 
(storage). Typically, the only common item between these systems is the 
inner canister, which holds the spent fuel contents.
    Part 71 certificates for transportation packages are issued for a 
5-year term whereas Part 72 CoCs are issued for much longer periods 
(under the current regulations, most CoCs have 20 year terms; under the 
proposed rule, the CoC term is extended to a not to exceed 40 year 
term). For each transportation cask certified under 10 CFR Part 71, the 
CoC specifies ``approved contents.'' The description of the approved 
contents for a spent fuel transportation package defines the acceptable 
fuel types and characteristics and, typically, it is the condition of 
the fuel, not its age that determines its acceptability. Spent fuel 
stored in dry casks, even for extended terms, is not expected to 
experience any significant degradation that would affect its 
acceptability to be shipped in a suitable transportation cask. Part 72 
general design criteria require fuel retrievability and that design of 
the storage casks should consider, to the extent practicable, 
compatibility with removal of the stored spent fuel from the reactor 
site, transportation, and ultimate disposition by the Department of 
Energy. Based upon the NRC supported INL research program and the Surry 
and H.B. Robinson ISFSI renewal applications, the NRC staff has 
concluded that typical spent fuel can be safely stored in dry casks 
without appreciable degradation.
    If the condition of spent fuel, or its storage canister, was 
believed to have degraded during extended storage such that it no 
longer met the criteria for approved contents, a licensee would have 
other alternatives for transport of that spent fuel. A new or modified 
approved transportation cask might be used, or the fuel might be 
repackaged (or ``canned''), to place it in an acceptable configuration.

K. How do general licensees track cask expiration dates?

    General licensees maintain a schedule for each cask used at their 
sites, and the licensees submit this information to the Commission. 
Section 72.212(b)(1) of the proposed rule requires general licensees to 
notify the Commission at least 90 days before first storing spent 
nuclear fuel under a general license. Section 72.212(b)(2) of the 
proposed rule would require general licensees to register use of each 
cask with the Commission no later than 30 days after using that cask to 
store spent fuel. To register casks, licensees must submit their name 
and address, reactor license and docket numbers, the name and title of 
a person responsible for providing additional information concerning 
spent fuel storage under the general license, the cask certificate 
number, the amendment number, if applicable, cask model number, and the 
cask identification number. With this information, the Commission will 
know the loading and expiration dates of each cask. This information 
also will enable the NRC to schedule any necessary inspections and will 
permit the NRC to maintain an independent record of use for each cask.

L. Who is responsible for applying for CoC renewals?

    The proposed rule retains the structure of the current rule which 
emphasizes the certificate holder (the cask vendor) applying for cask 
renewal. If the certificate holder chooses not to

[[Page 47131]]

apply for the renewal of a particular cask design or is no longer in 
business, a general licensee may apply for renewal in its place. If the 
general licensee seeks to fabricate this cask design, it must satisfy 
the applicable requirements of Part 72, including establishment and 
maintenance of the requisite quality assurance (QA) program.

M. Does the NRC have a definition for ``terms, conditions, and 
specifications'' as they relate to the CoC?

    The NRC does not include a definition for ``terms, conditions, and 
specifications'' in the proposed rule because these words are generic 
in nature, and are used in other parts of the NRC's regulations without 
definition.

N. Under the proposed rule, can a licensee apply CoC amendments to 
previously loaded casks?

    Proposed Sec.  72.212 would allow a general licensee to apply 
changes authorized by a CoC amendment to a previously loaded cask 
provided that the licensee demonstrates, through a written evaluation, 
that the cask meets the terms and conditions of the subject CoC 
amendment (i.e., the loaded cask must conform to the CoC amendment 
codified by the NRC in Sec.  72.214).

O. May a general licensee implement only some of the authorized changes 
in a CoC amendment without prior NRC approval?

    If a general licensee elects to apply the changes authorized by a 
CoC amendment to a previously loaded cask, the cask must conform to the 
terms and conditions after the changes have been applied, including the 
technical specifications of the CoC amendment. Partial or selective 
application of some of the authorized changes, but not others, requires 
prior NRC approval (in this case, the general licensee would apply for 
an exemption). The basis for allowing licensees to apply the changes 
authorized by a CoC amendment to a previously loaded cask without prior 
approval from the NRC is that the cask will remain in an analyzed 
condition if, after the changes have been applied, it conforms to the 
terms and conditions of the CoC amendment. The NRC has previously 
stated, ``a spent fuel storage cask will be relied on to provide safe 
confinement of radioactive material independent of a nuclear power 
reactor's site, so long as conditions of the Certificate of Compliance 
are met'' (54 FR 19381; May 5, 1989). However, partial or selective 
application of a CoC amendment's changes would result in a cask that 
would be in an unanalyzed condition.
    In a related issue, the NRC agrees with an industry comment raised 
in response to the publication of the draft preliminary rule text (73 
FR 45173; August 4, 2008). The draft preliminary rule text required 
that a general licensee ensure that once the changes authorized by a 
CoC amendment had been applied to a previously loaded cask, that the 
cask then ``fully conforms'' to the terms and conditions of the CoC 
amendment. The industry comment raised the concern that the phrase 
``fully conforms'' was overly restrictive and requiring conformance 
with all the changes authorized by a CoC amendment would not be 
feasible or logical in certain instances, namely, in those cases where 
the amended CoC requirements do not apply to that particular general 
licensee site or ISFSI (e.g., requirements for pressurized water 
reactors (PWR) fuel at a boiling water reactor (BWR) plant).
    In light of this comment, the proposed rule language now requires 
that the cask, once CoC amendment changes have been applied, 
``conforms'' to the terms and conditions of the CoC amendment. Thus, 
CoC amendment requirements for PWR fuel need not be met at a BWR plant.
    Similarly, if the CoC amendment changes the Technical 
Specifications for loading, general licensees may have difficulty 
demonstrating that the previously loaded cask complies with the new 
loading requirements. Proposed 10 CFR 72.212(b)(5) would require 
general licensees to perform written evaluations prior to applying the 
changes authorized by an amended CoC to a previously loaded cask. If 
the evaluation indicates that the loading conditions under the old CoC 
amendment would not affect the ability of the previously loaded cask to 
meet the storage or unloading requirements of the newer CoC amendment, 
general licensees would be considered as conforming with the terms and 
conditions of the newer CoC amendment without having to meet the new 
loading requirements.

P. Do later CoC amendments encompass earlier CoC amendments?

    No, later CoC amendments do not encompass earlier amendments unless 
the language of the later CoC amendment expressly indicates otherwise. 
Generally, when the NRC reviews an amendment to a CoC, the NRC staff 
considers the changes associated with the amendment request only and 
limits its review to the bounding conditions of the analysis. Specific 
changes associated with earlier CoC amendments for previously loaded 
casks are not considered during the review process for a later 
amendment. Thus, depending on the nature of the changes, later 
amendments do not necessarily encompass earlier amendments and 
sometimes may be inconsistent with earlier amendments.

Q. Why can't general licensees use the 10 CFR 72.48 process to apply 
CoC amendment changes to previously loaded casks?

    The principal requirement of Sec.  72.48 regarding changes to cask 
designs is that the desired changes do not result in a change in the 
terms, conditions, or specifications incorporated in the CoC. A 
previously loaded cask is bound by the terms, conditions, and technical 
specifications of the CoC applicable to that cask at the time the 
licensee loaded the cask. Thus, under Sec.  72.48, a licensee may only 
make those cask design changes that do not result in a change to the 
terms, conditions, or specifications of the CoC under which the cask 
was loaded. The proposed rule would not amend Sec.  72.48; but would 
amend Sec.  72.212 by authorizing a general licensee to apply the 
changes authorized by a CoC amendment to a previously loaded cask, 
provided that after the changes have been applied, the cask conforms to 
the terms and conditions, including the technical specifications, of 
the CoC amendment.

R. If a general licensee selects and purchases a cask system under an 
earlier amendment, but does not load the casks, can the general 
licensee adopt the most recent amendment for the empty casks before 
loading them?

    Adoption of the most recent amendment depends on the nature of the 
changes between the CoC amendment under which the cask system was 
fabricated and the most recent amendment. CoC amendments are routinely 
requested by cask manufacturers or vendors (also referred to as the 
certificate holders) to account for advances in cask design and 
technology. Some amendments will be associated with cask hardware 
changes. A cask system that was purchased under an older amendment may 
or may not be able to be modified to a cask system that meets the most 
recent amendment.
    Proposed Sec.  72.212 would require that general licensees perform 
written evaluations demonstrating that the conditions in the CoC have 
been met before loading empty casks. If such an evaluation failed to 
meet the conditions in the most recent CoC amendment, the empty cask 
cannot be changed to the

[[Page 47132]]

most recent amendment by the general licensee before loading. If the 
evaluation demonstrates that the conditions in the most recent CoC 
amendment are met, then the most recent amendment can be implemented to 
this previously purchased empty cask.

S. What are NRC's plans for providing guidance and examples of aging 
analyses and AMPs to licensees?

    The NRC is developing a draft Standard Review Plan (SRP) entitled, 
``Standard Review Plan for License Renewal of Independent Fuel Storage 
Installations.'' The intent of this SRP is to provide guidance to the 
NRC staff in reviewing the licensees' programs for managing the effects 
of aging on spent fuel storage casks or ISFSI sites. Aging analyses and 
aging management programs are two components of an overall program for 
managing the effects of aging. Because applicants would need to submit 
a time-limited aging analysis and a description of their program to 
manage the effects of aging when applying for renewal of either CoCs or 
specific licenses under the proposed rule, this SRP would also assist 
potential applicants in identifying parameters to be included in a 
renewal application and measures necessary to ensure that the cask or 
ISFSI can be operated during the renewal period without undue risk to 
the public health and safety. The draft SRP will be published for 
public comment following the publication of this proposed rule.

T. Could the NRC maintain the current paragraph designations of 10 CFR 
72.212(b)?

    The NRC understands the burden arising from changing the paragraph 
designations of a regulation. However, the NRC is proposing to 
rearrange the provisions of Sec.  72.212(b) to better organize 
regulatory requirements. For example, the proposed rule would group 
recordkeeping requirements at the end of Sec.  72.212(b) rather than 
dispersing them among other requirements, as is currently the case. The 
NRC's intent for rearranging Sec.  72.212(b) is to make this provision 
more user-friendly. These proposed changes are documented in Table 1 
located in Section III (Item 4) of this document (Discussion of 
Proposed Amendments by Section under the discussion pertaining to Sec.  
72.212).

U. When are licensees required to submit cask registration letters?

    Under proposed 10 CFR 72.212(b)(2), general licensees must submit a 
cask registration letter no later than 30 days after using (loading) 
that cask to store spent fuel. One registration letter may be submitted 
for a campaign that loads more than one cask, provided that the letter 
lists the cask certificate number, the amendment number, the cask model 
number, and the cask identification number of each cask covered by the 
campaign.
    In addition, under proposed 10 CFR 72.212(b)(4), general licensees 
must submit a cask registration letter no later than 30 days after 
applying the changes authorized by an amended CoC to a previously 
loaded cask. One registration letter may be submitted for a campaign 
that applies CoC amendment changes to more than one cask, provided that 
the letter lists the cask certificate number, the amendment number to 
which the cask will conform, the cask model number, and the cask 
identification number of each cask covered by the campaign.

V. If a CoC is not renewed, how long would general licensees have to 
remove expired casks from service?

    For those dry storage systems for which renewals are not planned, 
users should plan ahead to remove these dry storage systems from 
service before the expiration of the storage terms specified in the 
expired CoC. Because users are most aware of the general cask schedule 
and the number of casks to be removed from service at their sites, 
users are in the best position to develop a reasonable schedule for the 
removal. The NRC anticipates that dry storage systems with a large 
number of casks in use likely will be renewed either by the vendor or 
by a user or group of users. Therefore, it is unlikely that licensees 
will need to remove a large number of casks from service at the same 
time.

W. When the NRC renews a CoC, are all amendments to that CoC 
simultaneously renewed as well?

    Section 72.214 lists one expiration date for each CoC. Amendments 
under a CoC may have different effective dates; however, they share the 
same certificate number and docket number. Therefore, a single renewal 
application for a CoC with updated information to reflect all the 
changes would apply to all CoC amendments.

X. If a general licensee applies for the renewal of a given CoC 
(assuming the certificate holder went out of business or chose not to 
apply for the renewal of a given CoC), and if the NRC approves the 
renewal of that CoC, is the renewed CoC available only to that general 
licensee or is it available to all general licensees?

    CoC certificates are generic designs and approved by rulemaking. 
The renewed CoC would be available to all persons who hold a general 
license under Sec.  72.210.

Y. Can the requirements in the proposed rule regarding time-limited 
aging analyses for CoC renewals be based upon a ``current licensing 
basis'' patterned after 10 CFR Part 54 rather than the design bases?

    The NRC does not believe that the Part 54 ``current licensing 
basis'' (CLB) is the appropriate basis for time-limited aging analyses 
in support of CoC renewals. The NRC does not believe that it is 
appropriate for the CLB to be applied to cask CoC renewals, which are 
generic. The CLB is typically the set of NRC requirements applicable to 
a specific plant and a specific licensee's written commitments for 
ensuring compliance with and operation within applicable NRC 
requirements, including the plant specific design basis (including all 
modifications and additions to regulatory commitments over the life of 
the license) that are docketed and in effect.

Z. What is the status of the draft NRC Regulatory Issue Summary (RIS) 
2007-26 which was issued on January 14, 2008 (73 FR 2281)?

    The NRC has decided not to finalize the draft RIS 2007-26, because 
proposed Sec.  72.212(b) would provide a path forward for 
implementation of later amendments to previously loaded casks. An 
Enforcement Guidance Memorandum (EGM) will be issued in conjunction 
with the publication of this proposed rule to provide guidance to NRC 
inspectors for exercising enforcement discretion concerning 
deficiencies related to implementing changes, authorized by CoC 
amendments to previously loaded casks, that occurred prior to issuance 
of the EGM.

AA. On what issues does the Nuclear Regulatory Commission specifically 
ask for public review and comment?

    The NRC is inviting the public to comment on the proposed rule in 
its entirety. In particular, the NRC requests public review and comment 
on the proposed provisions in 10 CFR 72.212 with regard to 
implementation of the requirements to allow a licensee to apply the 
changes authorized by an amended CoC to a previously loaded cask, and 
whether or not the evaluation required by 10 CFR 72.212(b)(5) should be 
reviewed and approved by the NRC. The NRC also seeks public review and 
comment on whether the requirement for an aging management program for 
CoC renewals should fully address possible site aging issues (e.g., 
different

[[Page 47133]]

environmental conditions) for general licensees.

III. Discussion of Proposed Amendments by Section

1. Section 72.3, Definitions.

    The proposed rule would add a definition for ``Time-limited aging 
analysis.''

2. Section 72.24, Contents of application; Technical information.

    The proposed rule change to Sec.  72.24(c) would require applicants 
seeking initial specific licenses or specific licensees seeking 
renewals to demonstrate in sufficient detail that the design of the 
ISFSI or monitored retrievable storage installation (MRS) is capable of 
performing the intended functions for the term requested in the 
application.

3. Section 72.42, Duration of license; renewal.

    The proposed rule change to Sec.  72.42(a) would extend the term 
for both an initial specific license and a license renewal from a term 
of 20 years to a term not to exceed 40 years. The proposed rule change 
would also add a requirement that specific licensees seeking renewals 
submit a time-limited aging analysis and a description of the aging 
management program. Any license renewal application will be required to 
include an analysis that considers the effects of aging on SSCs 
important to safety for the requested renewal term.
    The proposed rule change to Sec.  72.42(b) would add language to 
require applications for license renewal to include design bases 
information as documented in the most recently updated final safety 
analysis report (FSAR) as required by Sec.  72.70.

4. Section 72.212, Conditions of general license issued under Sec.  
72.210.

    The proposed rule would make several changes to Sec.  72.212. The 
proposed rule would revise Sec.  72.212(a)(3) by changing the general 
license term from 20 years after the date that the particular cask is 
first used by the general licensee to one that shall not exceed the 
term certified by the cask's CoC after the date that the particular 
cask is first used by the general licensee. Similarly, the termination 
of the general license, following any renewal, is changed from 20 years 
after the renewal date to the expiration date set forth in the renewed 
CoC. The proposed rule would change the cask removal from service 
requirement from a storage period not to exceed 20 years following the 
expiration of the cask's CoC, to one that shall not exceed the term 
certified by the cask's CoC following the expiration of the cask's CoC. 
In addition, the proposed rule would substitute the term ``certificate 
holder'' for the term ``cask vendor'' and the term ``renewal'' for 
``reapproval'' with respect to cask designs. The proposed rule would 
retain the language that if a CoC holder does not renew a particular 
cask CoC, a general licensee using casks of that design may apply for 
design renewal under Sec.  72.240.
    The proposed rule would amend Sec.  72.212(b), including changes to 
redesignate and reorganize the provisions of that section. The 
following table cross references the proposed regulations with the 
current regulations. Use of ``modified'' in Table 1 refers to a rule 
whose content has been modified. Remaining table entries are either new 
rules or rules that have been renumbered but whose content is 
unchanged.

                    Table 1--Cross Reference of Proposed Regulations With Current Regulations
----------------------------------------------------------------------------------------------------------------
                  Proposed rule                                            Current rule
----------------------------------------------------------------------------------------------------------------
Sec.   72.212(b)(1).............................  Sec.   72.212(b)(1)(i).
Sec.   72.212(b)(2).............................  Sec.   72.212(b)(1)(ii) (modified).
Sec.   72.212(b)(3).............................  New.
Sec.   72.212(b)(4).............................  New.
Sec.   72.212(b)(5).............................  Sec.   72.212(b)(2)(i) (modified).
Sec.   72.212(b)(5)(i)..........................  Sec.   72.212(b)(2)(i)(A).
Sec.   72.212(b)(5)(ii).........................  Sec.   72.212(b)(2)(i)(B).
Sec.   72.212(b)(5)(iii)........................  Sec.   72.212(b)(2)(i)(C).
Sec.   72.212(b)(6).............................  Sec.   72.212(b)(3) (modified).
Sec.   72.212(b)(7).............................  Sec.   72.212(b)(2)(ii) (modified).
Sec.   72.212(b)(8).............................  Sec.   72.212(b)(4) (modified).
Sec.   72.212(b)(9).............................  Sec.   72.212(b)(5).
Sec.   72.212(b)(9)(i)..........................  Sec.   72.212(b)(5)(i).
Sec.   72.212(b)(9)(ii).........................  Sec.   72.212(b)(5)(ii).
Sec.   72.212(b)(9)(iii)........................  Sec.   72.212(b)(5)(iii).
Sec.   72.212(b)(9)(iv).........................  Sec.   72.212(b)(5)(iv).
Sec.   72.212(b)(9)(v)..........................  Sec.   72.212(b)(5)(v).
Sec.   72.212(b)(9)(vi).........................  Sec.   72.212(b)(5)(vi).
Sec.   72.212(b)(10)............................  Sec.   72.212(b)(6).
Sec.   72.212(b)(11)............................  Sec.   72.212(b)(7) (modified).
Sec.   72.212(b)(12)............................  Sec.   72.212(b)(8)(i).
Sec.   72.212(b)(12)(i).........................  Sec.   72.212(b)(8)(i)(A).
Sec.   72.212(b)(12)(ii)........................  Sec.   72.212(b)(8)(i)(B).
Sec.   72.212(b)(12)(iii).......................  Sec.   72.212(b)(8)(i)(C).
Sec.   72.212(b)(13)............................  Sec.   72.212(b)(9).
Sec.   72.212(b)(14)............................  Sec.   72.212(b)(10).
Sec.   72.212(c)................................  Sec.   72.212(b)(8)(ii) (modified).
Sec.   72.212(d)................................  Sec.   72.212(b)(8)(iii) (modified).
Sec.   72.212(e)................................  Sec.   72.212(b)(1)(iii).
----------------------------------------------------------------------------------------------------------------

    The proposed rule would redesignate Sec.  72.212(b)(1)(i) as Sec.  
72.212(b)(1) and would make minor editorial changes to this provision.
    The proposed rule would redesignate Sec.  72.212(b)(1)(ii) as Sec.  
72.212(b)(2) and further revise the provision to add a requirement that 
general licensees, when registering a cask no later than 30 days after 
loading, include the CoC amendment number, if applicable.

[[Page 47134]]

    The proposed rule would add a new provision, Sec.  72.212(b)(3), 
that emphasizes the requirement that general licensees must conform to 
the terms, conditions, and specifications of a CoC or an amended CoC 
listed in Sec.  72.214. Partial or selective application of the terms, 
conditions, and specifications of a CoC or an amended CoC, without 
prior NRC approval, will result in a cask that is in an unanalyzed 
condition and is therefore, prohibited.
    The proposed rule would add a new provision, Sec.  72.212(b)(4), 
that would require registration of those previously loaded casks no 
later than 30 days after applying the changes authorized by an amended 
CoC.
    The proposed rule would redesignate Sec.  72.212(b)(2)(i) as Sec.  
72.212(b)(5). Proposed Sec.  72.212(b)(5) would expand the scope of 
Sec.  72.212(b)(2)(i) to require written evaluations before applying 
the changes authorized by an amended CoC to a previously loaded cask. 
Thus, the proposed rule would require a written evaluation before 
loading the cask with spent fuel and an additional written evaluation 
before any changes authorized by a CoC amendment are applied to a 
previously loaded cask. The proposed rule would redesignate Sec.  
72.212(b)(2)(i)(A) as Sec.  72.212(b)(5)(i) and revise it to specify 
that the written evaluations are to establish that the cask will 
conform to the terms, conditions, and specifications of a CoC or 
amended CoC after the cask is loaded with spent fuel or the changes 
authorized by an amended CoC have been applied. The proposed rule would 
redesignate Sec. Sec.  72.212(b)(2)(i)(B) and (C) as Sec. Sec.  
72.212(b)(5)(ii) and (iii), respectively.
    The proposed rule would redesignate Sec.  72.212(b)(3) as Sec.  
72.212(b)(6) and revise it to add a reference to an amended CoC.
    The proposed rule would redesignate Sec.  72.212(b)(2)(ii) as Sec.  
72.212(b)(7) and revise it to add a requirement to evaluate any changes 
to the site parameters determination and analyses required by paragraph 
Sec.  72.212(b)(6), using the requirements of Sec.  72.48.
    The proposed rule would redesignate Sec. Sec.  72.212(b)(4) through 
(b)(6) as Sec. Sec.  72.212(b)(8) through (b)(10). The proposed rule 
would make changes to cross references and other minor editorial 
changes. Proposed Sec.  72.212(b)(9) reflects amendments made to Sec.  
73.55 by two recent rulemakings amending Part 73 (74 FR 63573; October 
24, 2008, and 74 FR 13926; March 27, 2009).
    The proposed rule would redesignate Sec.  72.212(b)(7) as Sec.  
72.212(b)(11) and revise it to add references to an amended CoC. The 
proposed rule would also add language to clarify that a licensee must 
comply with the technical specifications of the CoC, in addition to the 
terms and conditions of the CoC. Further, added language would require 
the licensee to comply with the terms, conditions, and specifications 
of the amended CoC for those casks to which the licensee has applied 
the changes of an amended CoC.
    The proposed rule would redesignate Sec. Sec.  72.212(b)(8)(i), 
(b)(9), and (b)(10) as Sec. Sec.  72.212(b)(12), (b)(13), and (b)(14), 
respectively.
    The proposed rule would redesignate Sec. Sec.  72.212(b)(8)(ii), 
(b)(8)(iii), and 72.212(b)(1)(iii) as Sec. Sec.  72.212(c), (d), and 
(e), respectively, and make conforming cross-reference changes.

5. Section 72.230, Procedures for spent fuel storage cask submittals.

    The proposed rule would revise Sec.  72.230(b) by adding language 
that establishes the proposed term for a period not to exceed 40 years. 
The proposed rule would further amend Sec.  72.230(b) by replacing the 
words ``for a period of at least 20 years'' with ``the term proposed in 
the application.''

6. Section 72.236, Specific requirements for spent fuel storage cask 
approval and fabrication.

    The proposed rule would revise Sec.  72.236(g) by adding language 
to require spent fuel storage casks to be designed to store spent fuel 
safely for the term proposed in the application, eliminating the 
current language that requires the cask design to store spent fuel 
safely for a minimum of 20 years.

7. Section 72.238, Issuance of an NRC Certificate of Compliance.

    The proposed rule would revise Sec.  72.238 by adding language that 
establishes the term for a CoC to be ``not to exceed 40 years.''

8. Section 72.240 Conditions for spent fuel storage cask renewal.

    The proposed rule would revise the heading of Sec.  72.240 and the 
language of Sec. Sec.  72.240(a), (b), and (d) by replacing the word 
``reapproval'' with ``renewal.'' The proposed rule would further revise 
Sec.  72.240(a) to establish the CoC renewal term as one not exceeding 
40 years. The proposed rule would further revise Sec.  72.240(a) to 
clarify that the certificate holder is the entity expected to apply for 
renewal of the CoC, although in the event that a certificate holder 
does not apply for a CoC renewal, any general licensee using that 
particular cask design may then apply for renewal of the CoC.
    The proposed rule would add a new Sec.  72.240(c) which would 
require that the safety analysis report (SAR) accompanying the renewal 
application must include design bases information as documented in the 
most recently updated FSAR, a time-limited aging analysis of 
structures, systems, and components important to safety, and a 
description of the program for management of issues associated with 
aging that could adversely affect structures, systems, and components 
important to safety. The proposed rule would redesignate Sec.  
72.240(c) as Sec.  72.240(d) and revise it to add a requirement that 
any CoC renewal application must demonstrate compliance with Subpart G 
of Part 72, the quality assurance provisions. The proposed rule also 
revises the last sentence of the provision to improve its readability.

IV. Criminal Penalties

    For the purpose of Section 223 of the Atomic Energy Act (AEA), the 
Commission is proposing to amend Part 72 under one or more of Sections 
161b, 161i, or 161o of the AEA. Willful violations of the rule would be 
subject to criminal enforcement.

V. Agreement State Compatibility

    Under the ``Policy Statement on Adequacy and Compatibility of 
Agreement State Programs'' approved by the Commission on June 30, 1997, 
and published in the Federal Register on September 3, 1997 (62 FR 
46517), this rule is classified as Compatibility Category ``NRC.'' 
Compatibility is not required for Category ``NRC'' regulations. The NRC 
program elements in this category are those that relate directly to 
areas of regulation reserved to the NRC by the AEA, as amended, or the 
provisions of Title 10 of the CFR. Although an Agreement State may not 
adopt program elements reserved to NRC, it may wish to inform its 
licensees of certain requirements via a mechanism that is consistent 
with the particular State's administrative procedure laws but does not 
confer regulatory authority on the State.

VI. Plain Language

    The Presidential Memorandum ``Plain Language in Government 
Writing'' published June 10, 1998 (63 FR 31883), directed that the 
Government's documents be in clear and accessible language. The NRC 
requests comments on this proposed rule specifically with respect to 
the clarity and effectiveness of the language used. Comments should be 
sent to the NRC as explained in the ADDRESSES caption of this document.

[[Page 47135]]

VII. Voluntary Consensus Standards

    The National Technology Transfer and Advancement Act of 1995 (Pub. 
L. 104-113) requires that Federal agencies use technical standards that 
are developed or adopted by voluntary consensus standards bodies unless 
the use of such a standard is inconsistent with applicable law or 
otherwise impractical. In this proposed rule, the NRC would clarify the 
terms for dry spent fuel storage cask designs, or CoCs, and ISFSI 
licenses. In addition, the proposed action also allows Part 72 general 
licensees to implement changes authorized by an amended CoC to a cask 
loaded under the initial CoC or an earlier amended CoC (a ``previously 
loaded cask''). These actions do not constitute the establishment of a 
standard that establishes generally applicable requirements.

VIII. Finding of No Significant Environmental Impact: Availability

    Under the National Environmental Policy Act of 1969, as amended, 
and the NRC regulations in Subpart A of 10 CFR Part 51, the NRC has 
determined that this rule, if adopted, would not be a major Federal 
action significantly affecting the quality of the human environment 
and, therefore, an environmental impact statement is not required. The 
NRC has prepared an environmental assessment and, on the basis of this 
environmental assessment, has made a finding of no significant impact. 
The proposed amendments are procedural in nature whereby extended 
license and CoC terms and the implementation of CoC amendments to 
previously loaded casks could be achieved by exemptions under the 
current regulations. They will not have a significant incremental 
effect on the environment. Therefore, the NRC has determined that an 
environmental impact statement is not necessary for this rulemaking.
    The determination of this environmental assessment is that there 
will be no significant impact to the public from this action. However, 
the general public should note that the NRC welcomes public 
participation. Comments on any aspect of the Environmental Assessment 
may be submitted to the NRC as indicated under the ADDRESSES heading in 
this document.
    The NRC has sent a copy of the Environmental Assessment and this 
proposed rule to every State Liaison Officer and requested their 
comments on the Environmental Assessment. The Environmental Assessment 
may be examined at the NRC Public Document Room, Room O-1F21, 11555 
Rockville Pike, Rockville, MD 20852.

IX. Paperwork Reduction Act Statement

    This proposed rule contains new or amended information collection 
requirements that are subject to the Paperwork Reduction Act of 1995 
(44 U.S.C. 3501 et seq.). This rule has been submitted to the Office of 
Management and Budget (OMB) for review and approval of the information 
collection requirements.
    Type of submission, new or revision: Revision.
    The title of the information collection: 10 CFR Part 72, ``License 
and Certificate of Compliance Terms''.
    The form number if applicable: Not applicable.
    How often the collection is required: On occasion.
    Who will be required or asked to report: Nuclear power plant 
licensees who operate and maintain an ISFSI under the general license 
provisions of 10 CFR Part 72, site-specific ISFSI licensees, and CoC 
holders for spent nuclear fuel dry cask storage designs.
    An estimate of the number of annual responses: 109.6 (or 
approximately 329 responses over three years). This includes 101.6 
annual responses + 8 annual recordkeepers.
    The estimated number of annual respondents: 46.
    An estimate of the total number of hours needed annually to 
complete the requirement or request: -39 hours (savings of 39 hours)
    Abstract: The proposed rule amends Part 72 to clarify the terms for 
dry spent fuel storage cask designs, or CoCs, and ISFSI licenses. 
Specifically, the proposed rule changes would allow for longer initial 
and renewal terms for Part 72 CoCs and licenses, clarify the general 
license storage term, and clarify the difference between CoC 
``reapproval'' and ``renewal.'' In addition, the proposed rule also 
allows Part 72 general licensees to implement changes authorized by an 
amended CoC to a cask loaded under the initial CoC or an earlier 
amended CoC (a ``previously loaded cask'') without NRC approval, 
provided the cask then conforms to the terms, conditions, and 
specifications of the amended CoC. Specifically, the draft proposed 
rule results in changes to information collection requirements in 
Sections 72.42, 72.212, and 72.240.
    The U.S. Nuclear Regulatory Commission is seeking public comment on 
the potential impact of the information collections contained in this 
proposed rule and on the following issues:
    1. Is the proposed information collection necessary for the proper 
performance of the functions of the NRC, including whether the 
information will have practical utility?
    2. Is the estimate of burden accurate?
    3. Is there a way to enhance the quality, utility, and clarity of 
the information to be collected?
    4. How can the burden of the information collection be minimized, 
including the use of automated collection techniques?
    A copy of the Office of OMB clearance package may be viewed free of 
charge at the NRC Public Document Room, One White Flint North, 11555 
Rockville Pike, Room O-1 F21, Rockville, MD 20852. The OMB clearance 
package and rule are available at the NRC Web site: http://www.nrc.gov/public-involve/doc-comment/omb/index.html for 60 days after the 
signature date of this notice and are also available at http://www.regulations.gov.
    Send comments on any aspect of these proposed information 
collections, including suggestions for reducing the burden and on the 
above issues, by October 15, 2009 to the Records and FOIA/Privacy 
Services Branch (T-5 F52), U.S. Nuclear Regulatory Commission, 
Washington, DC 20555-0001, or by Internet electronic mail to 
[email protected] and to the NRC Desk Officer, Office of 
Information and Regulatory Affairs, NEOB-10202, (3150-0132), Office of 
Management and Budget, Washington, DC 20503. Comments received after 
this date will be considered if it is practical to do so, but assurance 
of consideration cannot be given to comments received after this date.

Public Protection Notification

    The NRC may not conduct or sponsor, and a person is not required to 
respond to, a request for information or an information collection 
requirement unless the requesting document displays a currently valid 
OMB control number.

X. Regulatory Analysis

    The NRC has prepared a draft regulatory analysis on this proposed 
regulation. The analysis examines the costs and benefits of the 
alternatives considered by the NRC. The NRC requests public comment on 
the draft regulatory analysis. Comments on the draft analysis may be 
submitted to the NRC as indicated under the ADDRESSES heading of this 
document. The analysis is available for inspection in the NRC PDR, 
11555 Rockville Pike, Rockville, MD 20852.

[[Page 47136]]

XI. Regulatory Flexibility Certification

    In accordance with the Regulatory Flexibility Act of 1980 (5 U.S.C. 
605(b)), the Commission certifies that this rule would not, if 
promulgated, have a significant economic impact on a substantial number 
of small entities. This proposed rule affects only nuclear power plant 
licensees and the manufacturers of dry cask spent fuel storage systems. 
These entities do not fall within the scope of the definition of 
``small entities'' set forth in the Regulatory Flexibility Act or the 
size standards established by the NRC (10 CFR 2.810).

XII. Backfit Analysis

    The NRC has determined that the backfit rule (Sec. Sec.  50.109, 
72.62) does not apply to this proposed rule because these amendments do 
not involve any provisions that would impose backfits as defined in 10 
CFR Chapter I. These amendments do not require the addition, 
elimination, or modification of structures, systems, or components of 
an ISFSI or of the procedures or organization required to operate an 
ISFSI. Therefore, a backfit analysis is not required.

List of Subjects for 10 CFR Part 72

    Administrative practice and procedure, Hazardous waste, Nuclear 
materials, Occupational safety and health, Penalties, Radiation 
protection, Reporting and recordkeeping requirements, Security 
measures, Spent fuel, Whistleblowing.

    For the reasons set out in the preamble and under the authority of 
the Atomic Energy Act of 1954, as amended; the Energy Reorganization 
Act of 1974, as amended; the Nuclear Waste Policy Act of 1982, as 
amended; and 5 U.S.C. 553; the NRC is proposing to adopt the following 
amendments to 10 CFR part 72.

PART 72--LICENSING REQUIREMENTS FOR THE INDEPENDENT STORAGE OF 
SPENT NUCLEAR FUEL, HIGH-LEVEL RADIOACTIVE WASTE, AND REACTOR-
RELATED GREATER THAN CLASS C WASTE

    1. The authority citation for part 72 continues to read as follows:

    Authority:  Secs. 51, 53, 57, 62, 63, 65, 69, 81, 161, 182, 183, 
184, 186, 187, 189, 68 Stat. 929, 930, 932, 933, 934, 935, 948, 953, 
954, 955, as amended, sec. 234, 83 Stat. 444, as amended (42 U.S.C. 
2071, 2073, 2077, 2092, 2093, 2095, 2099, 2111, 2201, 2232, 2233, 
2234, 2236, 2237, 2238, 2282); sec. 274, Pub. L. 86-373, 73 Stat. 
688, as amended (42 U.S.C. 2021); sec. 201, as amended, 202, 206, 88 
Stat. 1242, as amended, 1244, 1246 (42 U.S.C. 5841, 5842, 5846); 
Pub. L. 95-601, sec. 10, 92 Stat. 2951 as amended by Pub. L. 102-
486, sec. 7902, 106 Stat. 3123 (42 U.S.C. 5851); sec. 102, Pub. L. 
91-190, 83 Stat. 853 (42 U.S.C. 4332); secs. 131, 132, 133, 135, 
137, 141, Pub. L. 97-425, 96 Stat. 2229, 2230, 2232, 2241, sec. 148, 
Pub. L. 100-203, 101 Stat. 1330-235 (42 U.S.C. 10151, 10152, 10153, 
10155, 10157, 10161, 10168); sec. 1704, 112 Stat. 2750 (44 U.S.C. 
3504 note); sec. 651(e), Pub. L. 109-58, 119 Stat. 806-10 (42 U.S.C. 
2014, 2021, 2021b, 2111).
    Section 72.44(g) also issued under secs. 142(b) and 148(c), (d), 
Pub. L. 100-203, 101 Stat. 1330-232, 1330-236 (42 U.S.C. 10162(b), 
10168(c), (d)). Section 72.46 also issued under sec. 189, 68 Stat. 
955 (42 U.S.C. 2239); sec. 134, Pub. L. 97-425, 96 Stat. 2230 (42 
U.S.C. 10154). Section 72.96(d) also issued under sec. 145(g), Pub. 
L. 100-203, 101 Stat. 1330-235 (42 U.S.C. 10165(g)). Subpart J also 
issued under secs. 2(2), 2(15), 2(19), 117(a), 141(h), Pub. L. 97-
425, 96 Stat. 2202, 2203, 2204, 2222, 2224 (42 U.S.C. 10101, 
10137(a), 10161(h)). Subparts K and L are also issued under sec. 
133, 98 Stat. 2230 (42 U.S.C. 10153) and sec. 218(a), 96 Stat. 2252 
(42 U.S.C. 10198).

    2. In Sec.  72.3, add the definition for ``Time-limited aging 
analyses'' in alphabetical order to read as follows:


Sec.  72.3  Definitions.

* * * * *
    Time-limited aging analyses, for the purposes of this part, means 
those licensee or certificate holder calculations and analyses that:
    (1) Involve structures, systems, and components important to safety 
within the scope of the license renewal, as delineated in subpart F of 
this part, or within the scope of the spent fuel storage certificate 
renewal, as delineated in subpart L of this part, respectively;
    (2) Consider the effects of aging;
    (3) Involve time-limited assumptions defined by the current 
operating term, for example, 40 years;
    (4) Were determined to be relevant by the licensee or certificate 
holder in making a safety determination;
    (5) Involve conclusions or provide the basis for conclusions 
related to the capability of structures, systems, and components to 
perform their intended safety functions; and
    (6) Are contained or incorporated by reference in the design bases.
    3. In Sec.  72.24, revise the introductory text of paragraph (c) to 
read as follows:


Sec.  72.24  Contents of application; Technical information.

* * * * *
    (c) The design of the ISFSI or MRS in sufficient detail to support 
the findings in Sec.  72.40 for the term requested in the application, 
including:
* * * * *
    4. In Sec.  72.42, revise paragraphs (a) and (b) to read as 
follows:


Sec.  72.42  Duration of license; renewal.

    (a) Each license issued under this part must be for a fixed period 
of time to be specified in the license. The license term for an ISFSI 
must not exceed 40 years from the date of issuance. The license term 
for an MRS must not exceed 40 years from the date of issuance. Licenses 
for either type of installation may be renewed by the Commission at the 
expiration of the license term upon application by the licensee for a 
period not to exceed 40 years and under the requirements of this rule. 
Application for renewals must include the following:
    (1) Time-limited aging analyses that demonstrate that structures, 
systems, and components important to safety will continue to perform 
their intended function for the requested period of extended operation; 
and
    (2) A description of the program for management of issues 
associated with aging that could adversely affect structures, systems, 
and components important to safety.
    (b) Applications for renewal of a license should be filed in 
accordance with the applicable provisions of subpart B of this part at 
least two years before the expiration of the existing license. The 
application must also include design bases information as documented in 
the most recently updated FSAR as required by Sec.  72.70. Information 
contained in previous applications, statements, or reports filed with 
the Commission under the license may be incorporated by reference 
provided that these references are clear and specific.
* * * * *
    5. In Sec.  72.212, revise paragraphs (a)(3) and (b) and add 
paragraphs (c), (d), and (e) to read as follows:


Sec.  72.212  Conditions of general license issued under Sec.  72.210.

    (a) * * *
    (3) The general license for the storage of spent fuel in each cask 
fabricated under a Certificate of Compliance commences upon the date 
that the particular cask is first used by the general licensee to store 
spent fuel and shall not exceed the term certified by the cask's 
Certificate of Compliance, unless the cask's Certificate of Compliance 
is renewed, in which case the general license terminates when the 
cask's Certificate of Compliance expires. In the event that a 
certificate holder does not apply for a certificate renewal under Sec.  
72.240, any cask user or user's representative may apply for a

[[Page 47137]]

certificate renewal. If a Certificate of Compliance expires, casks of 
that design must be removed from service after a storage period not to 
exceed the term certified by the cask's Certificate of Compliance.
    (b) The general licensee must:
    (1) Notify the Nuclear Regulatory Commission using instructions in 
Sec.  72.4 at least 90 days before first storage of spent fuel under 
this general license. The notice may be in the form of a letter, but 
must contain the licensee's name, address, reactor license and docket 
numbers, and the name and means of contacting a person responsible for 
providing additional information concerning spent fuel under this 
general license. A copy of the submittal must be sent to the 
administrator of the appropriate Nuclear Regulatory Commission regional 
office listed in appendix D to part 20 of this chapter.
    (2) Register use of each cask with the Nuclear Regulatory 
Commission no later than 30 days after using that cask to store spent 
fuel. This registration may be accomplished by submitting a letter 
using instructions in Sec.  72.4 containing the following information: 
the licensee's name and address, the licensee's reactor license and 
docket numbers, the name and title of a person responsible for 
providing additional information concerning spent fuel storage under 
this general license, the cask certificate number, the CoC amendment 
number to which the cask conforms, unless loaded under the initial 
certificate, cask model number, and the cask identification number. A 
copy of each submittal must be sent to the administrator of the 
appropriate Nuclear Regulatory Commission regional office listed in 
appendix D to part 20 of this chapter.
    (3) Ensure that each cask used by the general licensee conforms to 
the terms, conditions, and specifications of a CoC or an amended CoC 
listed in Sec.  72.214.
    (4) In applying all the changes authorized by an amended CoC to a 
cask loaded under the initial CoC or an earlier amended CoC, register 
each such cask with the Nuclear Regulatory Commission no later than 30 
days after applying the changes authorized by the amended CoC. This 
registration may be accomplished by submitting a letter using 
instructions in Sec.  72.4 containing the following information: the 
licensee's name and address, the licensee's reactor license and docket 
numbers, the name and title of a person responsible for providing 
additional information concerning spent fuel storage under this general 
license, the cask certificate number, the CoC amendment number to which 
the cask conforms, cask model number, and the cask identification 
number. A copy of each submittal must be sent to the administrator of 
the appropriate Nuclear Regulatory Commission regional office listed in 
appendix D to part 20 of this chapter.
    (5) Perform written evaluations, before use and before applying the 
changes authorized by an amended CoC to a cask loaded under the initial 
CoC or an earlier amended CoC, which establish that:
    (i) The cask, once loaded with spent fuel or once the changes 
authorized by an amended CoC have been applied, will conform to the 
terms, conditions, and specifications of a CoC or an amended CoC listed 
in Sec.  72.214;
    (ii) Cask storage pads and areas have been designed to adequately 
support the static and dynamic loads of the stored casks, considering 
potential amplification of earthquakes through soil-structure 
interaction, and soil liquefaction potential or other soil instability 
due to vibratory ground motion; and
    (iii) The requirements of Sec.  72.104 have been met. A copy of 
this record shall be retained until spent fuel is no longer stored 
under the general license issued under Sec.  72.210.
    (6) Review the Safety Analysis Report referenced in the CoC or 
amended CoC and the related NRC Safety Evaluation Report, prior to use 
of the general license, to determine whether or not the reactor site 
parameters, including analyses of earthquake intensity and tornado 
missiles, are enveloped by the cask design bases considered in these 
reports. The results of this review must be documented in the 
evaluation made in paragraph (b)(5) of this section.
    (7) Evaluate any changes to the written evaluations required by 
paragraph (b)(5) of this section, and any changes to the site 
parameters determination and analyses required by paragraph (b)(6) of 
this section, using the requirements of Sec.  72.48(c). A copy of this 
record shall be retained until spent fuel is no longer stored under the 
general license issued under Sec.  72.210.
    (8) Before use of the general license, determine whether activities 
related to storage of spent fuel under this general license involve a 
change in the facility Technical Specifications or require a license 
amendment for the facility pursuant to Sec.  50.59(c)(2) of this 
chapter. Results of this determination must be documented in the 
evaluations made in paragraph (b)(5) of this section.
    (9) Protect the spent fuel against the design basis threat of 
radiological sabotage in accordance with the same provisions and 
requirements as are set forth in the licensee's physical security plan 
pursuant to Sec.  73.55 of this chapter with the following additional 
conditions and exceptions:
    (i) The physical security organization and program for the facility 
must be modified as necessary to assure that activities conducted under 
this general license do not decrease the effectiveness of the 
protection of vital equipment in accordance with Sec.  73.55 of this 
chapter.
    (ii) Storage of spent fuel must be within a protected area, in 
accordance with Sec.  73.55(e) of this chapter, but need not be within 
a separate vital area. Existing protected areas may be expanded or new 
protected areas added for the purpose of storage of spent fuel in 
accordance with this general license;
    (iii) For the purpose of this general license, personnel searches 
required by Sec.  73.55(h) of this chapter before admission to a new 
protected area may be performed by physical pat-down searches of 
persons in lieu of firearms and explosives detection equipment;
    (iv) The observational capability required by Sec.  73.55(i)(3) of 
this chapter as applied to a new protected area may be provided by a 
guard or watchman on patrol in lieu of video surveillance technology; 
and
    (v) Each general licensee that receives and possesses power reactor 
spent fuel and other radioactive materials associated with spent fuel 
storage shall protect Safeguards Information against unauthorized 
disclosure in accordance with the requirements of Sec.  73.21 and the 
requirements of Sec.  73.22 or Sec.  73.23 of this chapter, as 
applicable; and
    (vi) For the purpose of this general license, the licensee is 
exempt from requirements to interdict and neutralize threats in Sec.  
73.55(k) of this chapter.
    (10) Review the reactor emergency plan, quality assurance program, 
training program, and radiation protection program to determine if 
their effectiveness is decreased and, if so, prepare the necessary 
changes and seek and obtain the necessary approvals.
    (11) Maintain a copy of the CoC and, for those casks to which the 
licensee has applied the changes of an amended CoC, the amended CoC, 
and the documents referenced in such Certificates, for each cask model 
used for storage of spent fuel, until use of the cask model is 
discontinued. The licensee shall comply with the terms, conditions, and 
specifications of the CoC and, for those casks to which the licensee 
has applied the changes of an amended CoC, the terms, conditions, and 
specifications of the amended CoC.
    (12) Accurately maintain the record provided by the cask supplier 
for each cask that shows, in addition to the

[[Page 47138]]

information provided by the cask vendor, the following:
    (i) The name and address of the cask vendor or lessor;
    (ii) The listing of spent fuel stored in the cask; and
    (iii) Any maintenance performed on the cask.
    (13) Conduct activities related to storage of spent fuel under this 
general license only in accordance with written procedures.
    (14) Make records and casks available to the Commission for 
inspection.
    (c) The record described in paragraph (b)(12) of this section must 
include sufficient information to furnish documentary evidence that any 
testing and maintenance of the cask has been conducted under an NRC-
approved quality assurance program.
    (d) In the event that a cask is sold, leased, loaned, or otherwise 
transferred to another registered user, the record described in 
paragraph (b)(12) of this section must also be transferred to and must 
be accurately maintained by the new registered user. This record must 
be maintained by the current cask user during the period that the cask 
is used for storage of spent fuel and retained by the last user until 
decommissioning of the cask is complete.
    (e) Fees for inspections related to spent fuel storage under this 
general license are those shown in Sec.  170.31 of this chapter.
    6. In Sec.  72.230, revise paragraph (b) to read as follows:


Sec.  72.230  Procedures for spent fuel storage cask submittals.

* * * * *
    (b) Casks that have been certified for transportation of spent fuel 
under part 71 of this chapter may be approved for storage of spent fuel 
under this subpart. An application must be submitted in accordance with 
the instructions contained in Sec.  72.4, for a proposed term not to 
exceed 40 years. A copy of the CoC issued for the cask under part 71 of 
this chapter, and drawings and other documents referenced in the 
certificate, must be included with the application. A safety analysis 
report showing that the cask is suitable for storage of spent fuel, for 
the term proposed in the application, must also be included.
* * * * *
    7. In Sec.  72.236, revise paragraph (g) to read as follows:


Sec.  72.236  Specific requirements for spent fuel storage cask 
approval and fabrication.

* * * * *
    (g) The spent fuel storage cask must be designed to store the spent 
fuel safely for the term proposed in the application, and permit 
maintenance as required.
* * * * *
    8. Revise Sec.  72.238 to read as follows:


Sec.  72.238  Issuance of an NRC Certificate of Compliance.

    A Certificate of Compliance for a cask model will be issued by NRC 
for a term not to exceed 40 years on a finding that the requirements in 
Sec.  72.236(a) through (i) are met.
    9. Revise Sec.  72.240 to read as follows:


Sec.  72.240  Conditions for spent fuel storage cask renewal.

    (a) The certificate holder may apply for renewal of the design of a 
spent fuel storage cask for a term not to exceed 40 years. In the event 
that a certificate holder does not apply for a cask design renewal, any 
licensee that uses this cask model under the general license issued 
under Sec.  72.210 may apply for a renewal of that cask design for a 
term not to exceed 40 years.
    (b) The application for renewal of the design of a spent fuel 
storage cask must be submitted not less than 30 days before the 
expiration date of the CoC. When the applicant has submitted a timely 
application for renewal, the existing CoC will not expire until the 
application for renewal has been determined by the NRC.
    (c) The application must be accompanied by a safety analysis report 
(SAR). The SAR must include the following:
    (1) Design bases information as documented in the most recently 
updated final safety analysis report FSAR as required by Sec.  72.248; 
and
    (2) Time-limited aging analyses that demonstrate that structures, 
systems, and components important to safety will continue to perform 
their intended function for the requested period of extended operation; 
and
    (3) A description of the program for management of issues 
associated with aging that could adversely affect structures, systems, 
and components important to safety.
    (d) The design of a spent fuel storage cask will be renewed if the 
conditions in subpart G of this part and Sec.  72.238 are met, and the 
application includes a demonstration that the storage of spent fuel has 
not, in a significant manner, adversely affected structures, systems, 
and components important to safety.

    Dated at Rockville, Maryland, this 8th day of September 2009.

    For the Nuclear Regulatory Commission.
Annette L. Vietti-Cook,
Secretary of the Commission.
[FR Doc. E9-22126 Filed 9-14-09; 8:45 am]
BILLING CODE 7590-01-P