Natural Resources Defense Council v. U.S. Nuclear Regulatory Commission ( 2016 )


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  •  United States Court of Appeals
    FOR THE DISTRICT OF COLUMBIA CIRCUIT
    Argued September 17, 2015             Decided April 26, 2016
    No. 14-1225
    NATURAL RESOURCES DEFENSE COUNCIL,
    PETITIONER
    v.
    U.S. NUCLEAR REGULATORY COMMISSION AND UNITED STATES
    OF AMERICA,
    RESPONDENTS
    EXELON GENERATION COMPANY, LLC,
    INTERVENOR
    On Petition for Review of An Order of the
    United States Nuclear Regulatory Commission
    Howard M. Crystal argued the cause for petitioner. With
    him on the briefs were Eric R. Glitzenstein and Geoffrey H.
    Fettus.
    James E. Adler, Senior Attorney, U.S. Nuclear Regulatory
    Commission, argued the cause for respondents. With him on
    the brief were John C. Cruden, Assistant Attorney General,
    U.S. Department of Justice, John E. Arbab, Attorney, and
    Andrew P. Averbach, Solicitor, U.S. Nuclear Regulatory
    Commission.
    2
    Brad Fagg argued the cause and filed the brief for
    intervenor Exelon Generation Company, LLC,
    Before: ROGERS, BROWN and KAVANAUGH, Circuit
    Judges.
    Opinion for the Court filed by Circuit Judge BROWN.
    BROWN, Circuit Judge: National Resources Defense
    Council (NRDC) challenges the Nuclear Regulatory
    Commission’s (NRC’s) denial of NRDC’s request for a hearing
    and subsequent application for a waiver, asserting this process
    was inconsistent with the procedural rigor mandated by the
    National Environmental Policy Act (NEPA). The denial
    thwarted NRDC’s attempt to intervene in the license renewal
    proceeding for Exelon’s Limerick nuclear power station in
    Pennsylvania. NRDC sought to present “new and significant”
    information regarding severe accident mitigation alternatives
    (SAMAs) relevant to Limerick. We find the Commission
    reasonably concluded NRDC’s request to intervene was a
    challenge to a general rule—10 C.F.R. §51.53(c)(3)(ii)(L)
    (Rule (L))—improperly raised in an individual adjudication;
    and, contrary to NRDC’s view, while NEPA requires agencies
    to take a hard look before approving a major federal action, it
    does not mandate adoption of a particular process for doing so.
    Having failed to show its contentions were unique to Limerick,
    NRDC also was not entitled to a waiver. We conclude the
    Commission’s actions were not arbitrary and capricious and
    deny the petition.
    I.
    The Atomic Energy Act (AEA) empowers the Commission
    to issue and renew nuclear power plant licenses. See 42 U.S.C.
    3
    § 2133. The Act limits initial licenses to a forty-year term but
    otherwise grants the Commission wide authority to regulate the
    license issuance and renewal process. See 
    id. at §
    2133(c). In
    10 C.F.R. Part 54, the Commission laid out the general
    framework for renewal. The Commission also promulgated 10
    C.F.R. Part 51 to deal with its obligations under NEPA. NEPA
    requires preparation of an Environmental Impact Statement
    (EIS) before undertaking any “major Federal action[]
    significantly affecting the quality of the human environment.”
    42 U.S.C. § 4332(2)(C); see also New York v. NRC, 
    681 F.3d 471
    , 476 (D.C. Cir. 2012). This requirement ensures each
    agency “consider[s] every significant aspect of the
    environmental impact of a proposed action” and “inform[s] the
    public that it has indeed considered environmental concerns in
    its decisionmaking process.” Balt. Gas & Elec. Co. v. NRDC,
    
    462 U.S. 87
    , 97 (1983). The issuance or renewal of a nuclear
    power plant license qualifies as a “major federal action”
    triggering the Commission’s obligations under NEPA. See
    New 
    York, 681 F.3d at 476
    .
    The AEA also provides that “the Commission shall grant a
    hearing upon the request of any person whose interest may be
    affected by the proceeding.” 42 U.S.C. § 2239(a)(1)(A). In 10
    C.F.R. § 2.309, the Commission laid out the specific
    procedures an intervening party must follow. The interested
    party must file a written request listing the specific contentions
    the party seeks to litigate. See 
    id. at §
    2.309(a), (f)(1). If a
    party’s contentions do not meet the Commission’s specificity or
    relevancy requirements, the agency may deny the hearing
    request.     See 
    id. Finally, the
    AEA subjects all final
    Commission orders to judicial review. 42 U.S.C. § 2239(b).
    “Any party aggrieved” by a final order of the Commission may
    “file a petition to review the order in the court of appeals.” 28
    U.S.C. § 2344. This court has “routinely interpreted [the
    phrase ‘any party aggrieved’] to allow petitions by parties who
    4
    were intervenors before the Commission.” State of Alaska v.
    FERC, 
    980 F.2d 761
    , 763 (D.C. Cir. 1992). To challenge the
    Commission’s grant of a license renewal, then, a party must
    have successfully intervened in the proceeding by submitting
    adequate contentions under 10 C.F.R. § 2.309.
    II.
    NRDC here sought to intervene in the relicensing of
    Exelon’s Limerick power station. To understand how this
    relicensing process works, a brief history of the power plant at
    issue is helpful. The Limerick Generating Station is a dual-unit
    nuclear power plant with two boiling water reactors located in
    Limerick Township, Pennsylvania, approximately 35 miles
    outside of Philadelphia. The Commission first licensed
    Limerick in 1984 after conducting ninety-five days of hearings
    and “generating a 20,000-page transcript.” Limerick Ecology
    Action, Inc. v. NRC, 
    869 F.2d 719
    , 728 (3d Cir. 1989). Various
    environmental petitioners challenged NRC’s grant of a full
    power license to Limerick, alleging the Commission failed to
    adequately consider several environmentally relevant factors in
    violation of NEPA. Specifically, petitioners contended the
    Commission improperly declined to consider severe accident
    mitigation design alternatives (SAMDAs) 1 on the basis of the
    Agency’s policy statement that read: “[NRC will] exclude
    consideration of design alternatives as a matter of Commission
    policy while research into design alternatives [is] ongoing.” 
    Id. at 734.
    SAMDAs are defined as “possible plant design
    modifications that are intended not to prevent an accident, but
    to lessen the severity of the impact of an accident should one
    occur.” 
    Id. at 731.
    1
    The terms “severe accident mitigation alternatives” (SAMAs) and
    “severe accident mitigation design alternatives” (SAMDAs) have the
    same meaning and are used interchangeably throughout this opinion.
    5
    The Third Circuit held NRC’s policy statement—unlike a
    notice-and-comment rulemaking—was not entitled to
    deference. See 
    id. at 729–31.
    Moreover, the court rejected
    NRC’s Final Environmental Impact Statement (FEIS) for
    Limerick as inadequate under NEPA because it did not include
    “the requisite careful consideration of the environmental
    consequences [of SAMDAs].” 
    Id. at 723.
    But the court did not
    foreclose the possibility that SAMDAs could be dealt with
    “generically” through a subsequent rulemaking. 2 See 
    id. (“Although NEPA
    requires the Commission to undertake
    ‘careful consideration’ of environmental consequences, . . . it
    may issue a rulemaking to address and evaluate environmental
    impacts that are ‘generic,’ i.e. not plant-specific.” (citation
    omitted)).
    Prompted by Limerick Ecology, NRC staff conducted a
    site-specific severe accident mitigation analysis at Limerick
    and issued a supplemental environmental impact statement
    (SEIS) summarizing its findings. See U.S. Nuclear Regulatory
    Comm’n, Office of Nuclear Reactor Regulation, Final
    Environmental Statement Related to the Operation of Limerick
    Generating Station, Units 1 and 2, NUREG-0974 Supplement
    (Aug. 1989).        NRC staff concluded “the risks and
    environmental impacts of severe accidents at Limerick are
    2
    The Third Circuit did conclude SAMDAs were “unlikely” to
    qualify for generic treatment based on the record presented. 
    Id. at 739.
    But, as discussed infra, NRC ultimately treated SAMDAs as
    “quasi-generic” (conducting a single site-specific SAMDA analysis
    for each plant when initially licensed but requiring no new analysis
    when re-licensed) and, regardless, the Third Circuit’s dicta did not
    eliminate the Commission’s ability to treat this issue generically if
    resolved through notice-and-comment rulemaking on a more
    extensive record.
    6
    acceptably low” and that “no new information” called into
    question the FEIS’s original severe accident findings. 
    Id. at vi.
    A. The 1996 Rulemaking
    The Commission subsequently accepted the Third Circuit’s
    invitation to streamline its evaluation of environmental issues
    during license renewal by resolving many issues generically.
    See Environmental Review for Renewal of Nuclear Power Plant
    Operating Licenses, 61 Fed. Reg. 28,467 (June 5, 1996). The
    Commission identified 92 issues material to environmental
    review of nuclear power plants; of these, it assessed that 68
    issues could be adequately addressed generically, whereas 24
    “were found to require additional assessment for at least some
    plants at the time of the license renewal review.” 
    Id. at 28,468;
    see also 10 C.F.R. pt. 51 appx. B. The former were classified
    as “Category 1” issues and the latter as “Category 2.” See 10
    C.F.R. pt. 51 appx. B. The rulemaking also addressed two
    related concerns: that interested parties would be denied the
    opportunity to participate in the license renewal process with
    respect to “generically” resolved issues and that a generic EIS
    could not satisfy NEPA’s “hard look” requirement because it
    would necessarily rely on findings from 20 years prior. See 61
    Fed. Reg. at 28,470. NRC responded to these concerns by (i)
    committing to prepare a supplemental site-specific EIS (rather
    than simply an environmental assessment) for each renewal
    which would consider comments introducing “new and
    significant” information regardless of whether the comments
    were directed to Category 1 or 2 issues; (ii) leaving cost-benefit
    conclusions and conclusions “relative to the overall
    environmental impacts including cumulative impacts” entirely
    to the site-specific supplemental EIS; and (iii) formally
    reviewing the rule and the generic EIS (GEIS) every 10 years
    to determine “what, if anything, in the rule requires revision.”
    
    Id. at 28,470-71.
                                   7
    The Commission formally classified SAMAs as a Category
    2 issue, although it included an exception for plants that had
    previously performed a SAMA analysis. See 10 C.F.R. pt. 51
    appx. B. (“[A]lternatives to mitigate severe accidents must be
    considered for all plants that have not considered such
    alternatives.”). The Commission explained its categorization of
    SAMAs at length. The GEIS analyzes SAMAs for “each site”
    using “site-specific estimates for parameters such as population
    distribution and meteorological conditions.” 61 Fed. Reg. at
    28,480. The information incorporated into the GEIS is
    therefore based on an evaluation of each particular plant. See
    
    id. (“[T]he analyses
    performed for the GEIS represent
    adequate, plant-specific estimates of the impacts from severe
    accidents that would generally over-predict, rather than under-
    predict, environmental consequences.” (emphasis added)). But
    NRC concluded that SAMAs could not yet be categorized as a
    “Category 1” issue because not all plants had conducted a
    SAMA analysis at the initial licensing stage:
    The Commission has determined that a site-
    specific consideration of alternatives to mitigate
    severe accidents will be required at the time of
    license renewal unless a previous consideration of
    such alternatives regarding plant operation has
    been included in a final environmental impact
    statement or a related supplement. . . . Although
    the Commission has considered containment
    improvements for all plants . . . [and] has
    additional ongoing regulatory programs whereby
    licensees search for individual plant vulnerabilities
    to severe accidents and consider cost-beneficial
    improvements, these programs have not yet been
    completed. Therefore, a conclusion that severe
    8
    accident mitigation has been generically
    considered for license renewal is premature.
    
    Id. at 28,480–81.
    In its rulemaking, NRC also specifically
    enumerated the plants, including Limerick, which had already
    completed an adequate SAMA analysis at licensing and so
    were not required to conduct further analysis at relicensing.
    See 
    id. at 28,481
    (“NRC staff considerations of [SAMAs] have
    already been completed and included in an EIS or supplemental
    EIS for Limerick, Comanche Peak, and Watts Bar. Therefore,
    [SAMAs] need not be reconsidered for these plants for license
    renewal.”).
    The Commission codified its treatment of SAMAs at 10
    C.F.R. § 51.53(c)(3)(ii)(L) (Rule (L)), which states: “If the staff
    has not previously considered severe accident mitigation
    alternatives for the applicant’s plant in an environmental impact
    statement or related supplement or in an environmental
    assessment, a consideration of alternatives to mitigate severe
    accidents must be provided.” Rule (L) thus constitutes a
    generic determination, via rulemaking, that one SAMA per
    plant is sufficient to “uncover most cost-beneficial measures to
    mitigate both the risk and the effects of severe accidents, thus
    satisfying [the Commission’s] obligations under NEPA.” In
    the Matter of Exelon Generation Co., LLC (Limerick
    Generating Station, Units 1 and 2), 
    2013 WL 5872241
    , at *5
    (Oct. 31, 2013). For plants like Limerick where a SAMA
    analysis was performed when the plant was initially licensed,
    reliance on that earlier site-specific analysis is sufficient: The
    Commission relies on both the site-specific SEIS and the GEIS
    to conduct its severe accident analysis under NEPA. So
    although SAMAs are a “mixed” general and site-specific issue,
    the Commission has described Rule (L) as the functional
    equivalent of a Category 1 designation for severe accident
    impacts at plants such as Limerick.
    9
    B. The Relicensing Process
    The categorization of SAMAs directly impacts a licensee’s
    obligations during relicensing. Under 10 C.F.R. § 51.53(c)(1) –
    (2), every applicant for renewal of a power plant license must
    submit an Environmental Report (ER), which describes “in
    detail the affected environment around the plant, the
    modifications directly affecting the environment . . . , and any
    planned refurbishment activities.” The applicant need only
    submit plant-specific information for Category 2 issues, 
    id. § 51.53(c)(3)(ii),
    as the Category 1 GEIS findings can generally
    be incorporated wholesale, 
    id. § 51.53(c)(3)(i).
    Although Rule
    (L) exempts an applicant from conducting another plant-
    specific SAMA analysis if one has previously been completed,
    that applicant is still required to report “any new and significant
    information regarding the environmental impacts of license
    renewal of which the applicant is aware,” including information
    about SAMAs. 10 C.F.R. § 51.53(c)(3)(iv); see Massachusetts
    v. United States, 
    522 F.3d 115
    , 120 (1st Cir. 2008) (“The NRC
    concedes that this [requirement] applies even to ‘new and
    significant information’ concerning Category 1 issues.”).
    After an applicant has submitted its ER, the NRC staff
    produces a draft supplemental EIS for license renewal. 10
    C.F.R. § 51.95(c).      “This plant-specific SEIS addresses
    Category 2 issues and complements the GEIS, which covers
    Category 1 issues. 
    Id. § 51.71(d).
    When the GEIS and SEIS
    are combined, they cover all issues NEPA requires be
    addressed in an EIS for a nuclear power plant license renewal
    proceeding.” 
    Massachusetts, 522 F.3d at 120
    . The public then
    has an opportunity to comment on the draft SEIS, and NRC
    staff prepare a final SEIS only after reviewing the comments.
    See 10 C.F.R. § 51.95(c)(3).
    10
    For parties seeking to challenge the staff’s findings, the
    process varies by issue category. Because Category 2 issues
    are site-specific, they can be challenged directly during the
    relicensing proceeding. The Commission has established a
    different mechanism for challenging generic Category 1
    findings during individual license renewal proceedings. If a
    party submits comments on a Category 1 issue during the
    public comment period, the NRC staff has three potential
    avenues for response. If it deems the existing generic analysis
    adequate, it can provide an explanation of that view (including,
    if applicable, consideration of the significance of the new
    information). See 61 Fed. Reg. at 28,470. However, if a
    commenter provides new information that calls into question
    the validity of a generic Category 1 finding, “the NRC staff will
    seek Commission approval to either suspend the application of
    the rule on a generic basis . . . or delay granting the renewal
    application” until the GEIS is updated and the rule amended.
    
    Id. If the
    commenter provides site-specific information
    indicating the rule is incorrect with respect to that particular
    plant, the NRC staff will petition the Commission to “waive the
    application of the rule with respect to that analysis in that
    specific renewal proceeding.” 
    Id. A party
    who remains dissatisfied by the Commission’s
    response to its Category 1-related comment has two final
    alternatives: that party can (i) petition for a waiver of the NRC
    regulation (such as Rule L) with respect to that proceeding, see
    10 C.F.R § 2.335(b); or (ii) petition the agency for a
    rulemaking to amend the GEIS, see 61 Fed. Reg. at 28,470.
    “This divergent treatment of generic and site-specific issues is
    reasonable and consistent with the purpose of promoting
    efficiency in handling license renewal decisions.”
    
    Massachusetts, 522 F.3d at 120
    .
    11
    III.
    This litigation spans many years and many volumes. In
    June 2011, Exelon Generation Company, LLC (Exelon) filed
    an application to renew its initial 40-year operating licenses for
    Limerick Generating Station, Units 1 and 2, for an additional
    20 years. Because of Rule (L)’s carve-out for plants that
    previously conducted a SAMA analysis, Exelon’s ER
    supporting its license renewal application did not contain a new
    SAMA analysis but merely noted such an analysis had been
    completed for the initial operating licenses. See Exelon
    Generation Co., Environmental Report—Operating License
    Renewal Stage, Limerick Generation Station, Units 1 and 2, at
    4-49 (June 2011). Although Exelon relied on Rule (L) to
    conclude no updated site-specific analysis was legally required,
    it still included a detailed consideration of whether “new and
    significant” information had identified “a significant
    environmental issue not covered in the GEIS” or an issue
    excluded from the GEIS that could lead to “an impact finding
    different from that codified in the regulation.” 
    Id. at 5-2.
    Exelon concluded that it had discovered no such new or
    significant information. See 
    id. at 5-4
    to 5-9.
    After NRC staff published a Notice of Opportunity for
    Hearing on Exelon’s relicensing application, see 76 Fed. Reg.
    52,992 (Aug. 24, 2011), NRDC submitted a petition to
    intervene and a hearing request. Perhaps anticipating that its
    SAMA-related contentions would be precluded by Rule (L),
    NRDC framed its arguments in terms of NEPA, alleging that
    NEPA requires an EIS to contain “high quality” information
    and “accurate scientific analysis,” meaning an agency cannot
    possibly comply with NEPA if it relies on “outdated,
    inaccurate, or incomplete” environmental analyses.         See
    Natural Resource Defense Council Petition to Intervene and
    Notice of Intention to Participate, Nos. 50-352-LR, 50-353-LR,
    12
    at 48 (Nov. 22, 2011). In its petition, NRDC specifically
    contended that Exelon’s ER “erroneously conclude[d] that new
    information related to its SAMDA analysis [was] not
    significant.” 
    Id. at 16.
    The Atomic Safety and Licensing
    Board (“Board”) admitted only this contention. In the Matter
    of Exelon Generation Co., LLC (Limerick Generating Station,
    Units 1 and 2), 75 N.R.C. 539, 570–71 (2012). In doing so, the
    Board rejected Exelon’s argument that Rule (L) absolved it of
    any responsibility to conduct an updated SAMA analysis. See
    
    id. at 543.
    Both NRC staff and Exelon appealed the Board’s
    admission of NRDC’s contention as an impermissible
    challenge to Rule (L) in the context of an individual
    adjudication. Exelon acknowledged its obligation to evaluate
    “new and significant” information related to SAMAs but
    argued no party could challenge the adequacy of its evaluation
    as it relates to the prior Limerick SAMA analysis, absent a
    waiver. See Exelon’s Brief in Support of the Appeal of LBP-12-
    08, Nos. 50-352-LR, 50-353-LR, at 7 (Apr. 16, 2012). The
    Commission agreed and reversed the Board’s ruling,
    concluding that NRDC’s contention, “reduced to its simplest
    terms, amounts to a challenge to [Rule (L)].” See In the Matter
    of Exelon Generation, Co., 76 N.R.C. 377, 386 (Oct. 23, 2012)
    (“The assumption underlying [NRDC’s contention] is that
    Exelon’s 1989 SAMDA analysis is out-of-date, which Exelon
    then must remedy in its [ER], even though this is something
    [Rule (L)] otherwise exempts Exelon from having to do.”).
    However, because the Commission conceded it had not yet
    faced this precise factual scenario, it found NRDC could
    potentially challenge the adequacy of Exelon’s ER by seeking a
    waiver of Rule (L). See 
    id. The Commission
    therefore
    remanded the case to the Board to afford NRDC an opportunity
    to file a petition for waiver. 
    Id. at 388.
    The Commission also
    13
    noted NRDC could file a petition for rulemaking to rescind
    Rule (L)’s exception. 
    Id. at 387.
    NRDC declined to do so.
    On remand, the Board concluded Rule (L) could not be
    waived but referred the decision back to the Commission for
    further review given the complex interplay between Rule (L)
    and 10 C.F.R. §2.335(b). 3       The Commission ultimately
    affirmed the Board’s decision to deny the waiver but did so on
    different grounds. In doing so, it justified its stringent waiver
    standard by explaining:
    When we engage in rulemaking, we are “carving
    out” issues from adjudication for generic resolution.
    Therefore, to challenge the generic application of a
    rule, a petitioner seeking waiver must show that
    there is something extraordinary about the subject
    matter of the proceeding such that the rule should
    not apply.
    Exelon Generation Co., LLC, 
    2013 WL 5872241
    , at *3. To
    qualify for waiver, four factors must be met. See In the Matter
    of Dominion Nuclear Connecticut, Inc. (Millstone), 62 N.R.C.
    551, 559–60 (2005). The Commission found NRDC failed to
    meet its burden since it could not demonstrate that its challenge
    rested on “issues that [were] legitimately unique to the
    proceeding” rather than issues of “broader concern[] about the
    rule’s general viability or appropriateness.” Exelon Generation
    Co., at *4. Because NRDC was not relying on information that
    set “Limerick apart from other plants undergoing license
    renewal whose previous SAMA analyses purportedly also
    3
    Under section 2.335(b), “[t]he sole ground for petition of waiver . . .
    is that special circumstances with respect to the subject matter of the
    particular proceeding are such that the application of the rule or
    regulation (or a provision of it) would not serve the purposes for
    which the rule or regulation was adopted.” 
    Id. 14 would
    be in need of updating,” the Commission denied the
    waiver. 
    Id. at *8.
    Nevertheless, the Commission directed the
    Staff to review the significance of any new SAMA-related
    information raised by NRDC. 
    Id. at *9.
    IV.
    The Administrative Procedure Act governs our review of
    an agency’s rule or licensing decision. See 5 U.S.C. § 500 et
    seq. This court is authorized to set aside the Commission’s
    relicensing decision only if it was “arbitrary, capricious, an
    abuse of discretion, or otherwise not in accordance with law.”
    
    Id. § 706(2)(A).
    Our general posture of deference toward
    agency decision-making is particularly marked with regards to
    NRC actions because “the [AEA] is hallmarked by the amount
    of discretion granted the Commission in working to achieve the
    statute’s ends.” Massachusetts v. NRC, 
    878 F.2d 1516
    , 1523
    (1st Cir. 1989) (quoting Pub. Serv. Co. of N.H. v. NRC, 
    582 F.2d 77
    , 82 (1st Cir. 1978) (alterations omitted)).
    Moreover, to the extent NRC’s technical judgment is
    before the court, we “must generally be at [our] most
    deferential.” Balt. Gas & Elec. 
    Co., 462 U.S. at 103
    . In the
    NEPA context “determining what constitutes significant new
    information” is “a factual question requiring technical
    expertise,” and so the agency’s determination is “owe[d]
    considerable deference.” Town of Winthrop v. FAA, 
    535 F.3d 1
    , 8 (1st Cir. 2008). Still, we must ensure NRC “examine[d]
    the relevant data and articulate[d] a satisfactory explanation for
    its action including a rational connection between the facts
    found and the choice made.” Motor Vehicle Mfrs. Ass’n of U.S.,
    Inc. v. State Farm Mut. Auto. Ins. Co., 
    463 U.S. 29
    , 43 (1983).
    Finally, we evaluate the Commission’s interpretation of the
    AEA’s hearing requirement under the familiar two-step
    15
    Chevron analysis.      This court is “obliged to defer to the
    operating procedures employed by an agency when the
    governing statute requires only that a ‘hearing’ be held,” as
    does the AEA. Union of Concerned Scientists v. NRC, 
    920 F.2d 50
    , 54 (D.C. Cir. 1990). And the Commission’s
    interpretation of its own regulations is given “controlling
    weight” unless that interpretation is “plainly erroneous or
    inconsistent with the regulation.” City of Idaho Falls v. FERC,
    
    629 F.3d 222
    , 228 (D.C. Cir. 2011).
    V.
    Before delving into the law, it is helpful to lay out in plain
    terms what is at stake in this case from both parties’
    perspectives. For NRDC, the existence of Rule (L) ostensibly
    creates a “regulatory blackhole” that prevents the organization
    from intervening in the relicensing adjudication to challenge
    the adequacy of Limerick’s 1989 SAMA analysis in light of
    advancements in technology. Because NRDC is barred from
    intervening, the organization is not entitled to an evidentiary
    hearing on its claims. See 10 C.F.R. § 2.310. Moreover, even
    though the Commission directed NRC staff to consider
    NRDC’s “new and significant” information, that consideration
    is shielded from substantive judicial review because NRDC
    was prevented from intervening in the adjudication. See State
    of 
    Alaska, 980 F.2d at 763
    .
    NRDC alleges both alternative routes to a challenge—
    seeking a waiver or submitting a petition for rulemaking—are
    merely illusory.     As the Commission conceded at oral
    argument, it has rarely, if ever, granted a petition for waiver.
    And rulemaking is a lengthy process, often taking years. A
    party that has submitted a rulemaking petition can seek to
    suspend the relicensing process while its petition is considered.
    However, it is unclear under Commission regulations whether
    16
    NRDC would qualify to request suspension: a petitioner may
    request suspension of “any licensing proceeding to which the
    petitioner is a participant.” 10 C.F.R. § 2.802(e) (emphasis
    added). “Participant” is defined by the Commission as “an
    individual or organization . . . that has petitioned to intervene in
    a proceeding or requested a hearing but has not yet been
    granted party status by the [Board].” 
    Id. § 2.4.
    Even if NRDC
    qualifies under this definition—having been definitively denied
    intervenor status—it would still have to satisfy the
    Commission’s three-pronged test for suspension of licensing
    proceeding. See In the Matter of Private Fuel Storage, LLC, 54
    N.R.C. 376 (2001).
    At first glance, NRDC’s predicament is worrisome given
    the decades that elapse between licensing and relicensing and
    the advances in mitigation technology that inevitably occur in
    the interim. Concern is especially understandable in light of
    the Fukushima tragedy. In March 2011, the world watched in
    horror as, following a Magnitude 9 earthquake off the coast of
    Japan, the tsunami it generated crashed ashore—killing
    thousands, flooding cities, destroying homes, schools and
    factories, and overwhelming the ten meter seawalls protecting
    Fukushima’s Dai-Ichi Nuclear Power Plant. All six of the
    boiling water reactors at the plant were damaged, and three
    experienced meltdowns. The profound human cost of this
    event is a powerful reminder that these issues demand our most
    careful attention.
    After closer inspection, however, we are persuaded that the
    issue is less problematic than it first appears. SAMAs represent
    only a minor portion of the Commission’s overall regulatory
    regime—separate and apart from its safety requirements. A
    SAMA is simply “a cost-benefit analysis that addresses
    whether the expense of implementing a mitigation measure not
    mandated by the NRC is outweighed by the expected reduction
    17
    in environmental cost it would provide in a core damage
    event.” Massachusetts v. NRC, 
    708 F.3d 63
    , 68 (1st Cir. 2013).
    Potential benefits include “averted costs such as public
    exposure, offsite property damage, occupational exposure
    costs, cleanup and decontamination costs, and replacement
    power costs.” 
    Id. at 68
    n.5. Put simply, SAMAs are not meant
    to prevent an accident but rather to mitigate the severity should
    one occur. The Commission relies on a myriad of other safety
    mechanisms to prevent accidents. For example, plants are
    required to maintain “up-to-date” emergency plans that are
    evaluated on a site-specific basis during license renewal. See
    61 Fed. Reg. at 28,480. The Commission also uses ongoing
    programs to evaluate mitigation alternatives including the
    Containment Performance Improvement program, the
    Individual Plant Examination program, and the Individual Plant
    Examination for External Events programs. See 
    id. at 28,481
    .
    These site-specific programs have considered a range of
    potential mitigation measures, resulting in the adoption of
    several “plant procedural or programmatic improvements”
    apart from the relicensing process. 
    Id. As plants
    like Limerick
    implement these changes, the relative benefits of adopting
    additional mitigation alternatives diminish. 4
    The Commission—and the plants themselves—are thus
    constantly evaluating new mitigation alternatives through
    channels other than the relicensing process. Exelon has in fact
    implemented several additional mitigation measures at
    4
    The ongoing nature of many mitigation measures reinforces this
    dynamic. One SAMA adopted by Exelon, for example, was the
    creation of an accident management program to develop “procedures
    that promote the most effective use of available plant equipment and
    staff in the event of an accident.” Limerick Environmental Report, at
    5-5.     This management program continues to exist and so,
    presumably, continues to develop relevant procedures to mitigate
    damage in the event of an accident.
    18
    Limerick since its 1989 SAMA analysis. See Limerick 2014
    Supplemental 
    EIS, supra, at 5-4
    to 5-9. The Commission has
    also evaluated the safety of all plants in light of events at
    Fukushima; immediately after the earthquake, the Commission
    convened a task force to consider its ramifications. The Task
    Force issued its preliminary findings only four months after the
    accident.      See U.S. Nuclear Regulatory Comm’n,
    Recommendations for Enhancing Reactor Safety in the 21st
    Century: The Near-Term Task Force Review of Insights from
    the Fukushima Dai-ichi Accident (July 12, 2011). It concluded
    “a sequence of events like the Fukushima accident is unlikely
    to occur in the United States and some appropriate mitigation
    measures have been implemented, reducing the likelihood of
    core damage and radiological releases.” 
    Id. at vii.
    Notably,
    SAMA analyses had long assumed that a sequence of events
    similar to Fukushima “could yield devastating consequences”
    and so had accounted for such circumstances. See Limerick
    2014 Supplemental 
    EIS, supra, at 5
    –8. The Task Force’s report
    thus confirmed the Commission’s “twin expectations” that
    “future SAMA analyses would not likely find major plant
    improvements cost-beneficial” and that risk reduction could be
    adequately accomplished through “ongoing safety oversight.”
    
    Id. But the
    relicensing process also includes means for NRC
    to consider “new and significant” information related to
    Category 1 issues—even if it does not guarantee a hearing. As
    discussed previously, if a party raises relevant “new and
    significant” information regarding a generic finding, NRC staff
    have the option to suspend the rule and relicensing until the
    GEIS is updated or to waive application of the rule to that
    particular plant. See 61 Fed. Reg. at 28,470. And in this case,
    NRC staff actually considered and explained its treatment of
    NRDC’s “new and significant” information. See Limerick
    2014 Supplemental 
    EIS, supra, at 5
    -25 to 5-26.
    19
    From the Commission’s perspective, then, it is both
    effective and efficient to resolve certain issues through generic
    findings. The relicensing process is already lengthy, as NRC
    staff must evaluate all relevant information, respond to public
    comment, and hold evidentiary hearings on challenges to site-
    specific issues. If any party could also challenge every
    generically resolved issue, the number of hearings would
    increase dramatically—even though those hearings would be
    unlikely to identify measures not already considered by the
    Commission. The agency has therefore wisely chosen to focus
    its limited resources in other more availing areas, while still
    building in several safety valves to ensure that truly significant
    new information is not overlooked.
    Having explained the regulatory framework—and defined
    the issues at stake—we now turn to the legal questions.
    A.
    This case’s complicated procedural background obscures
    the relatively straightforward legal issue at play. The key
    question is whether NRDC is seeking a hearing on an issue
    generically resolved through rulemaking via an individual
    adjudication. Commission regulations preclude such collateral
    attacks, absent a waiver. See 10 C.F.R. § 2.335(a) (“[N]o rule
    or regulation of the Commission, or any provision thereof,
    concerning the licensing of . . . facilities . . . is subject to attack
    by way of discovery, proof, argument, or other means in any
    adjudicatory proceeding subject to this part.”). Moreover, “it is
    ‘hornbook administrative law that an agency need not—indeed
    should not—entertain a challenge to a regulation’ in an
    individual adjudication.” New Jersey Dep’t of Env’t Protection
    v. NRC, 
    561 F.3d 132
    , 143 (3rd Cir. 2009) (quoting Tribune
    Co. v. FCC, 
    133 F.3d 61
    , 68 (D.C. Cir. 1998)).
    20
    From the outset, NRDC’s contentions have focused on the
    inadequacy of Limerick’s 1989 SAMA in light of changes over
    the past three decades. Rule (L) forecloses this approach.
    NRDC is arguably correct in arguing that Rule (L)’s language,
    on its face, does not preclude the Commission from requiring
    plants that have already undergone a SAMA analysis to
    conduct an additional analysis. But here, NRC has reasonably
    concluded that Rule (L) means SAMAs can be treated
    generically for plants like Limerick that have once completed a
    SAMA analysis. Given how extensive the first SAMA analysis
    is, the Commission found a second analysis would not provide
    enough value to justify the resource expenditure. This
    determination is reasonable and so is entitled to deference. See
    Ames Constr., Inc. v. Fed. Mine Safety & Health Review
    Comm’n, 
    676 F.3d 1109
    , 1112 (D.C. Cir. 2012).
    NRDC attempts to wriggle out from under this regulatory
    bar by asserting that its right to a hearing on “new and
    significant” information derives from the AEA and NEPA’s
    hearing requirements. But neither statute does the work NRDC
    asks of it. The organization points, at times, to the AEA’s
    mandate that, “the Commission shall grant a hearing upon the
    request of any person whose interest may be affected by the
    proceeding.” 42 U.S.C. § 2239(a). Yet the AEA “does not
    confer the automatic right of intervention upon anyone.” Union
    of Concerned 
    Scientists, 920 F.2d at 55
    . Because the AEA
    itself “nowhere describes the content of a hearing or prescribes
    the manner in which this ‘hearing’ is to be run,” 
    id. at 53,
    we
    must defer to the operating procedures adopted by the agency,
    see 
    id. at 54.
    Indeed, the Supreme Court has recognized “time
    and again” that “even where an agency’s enabling statute
    expressly requires it to hold a hearing, the agency may rely on
    its rulemaking authority to determine issues that do not require
    case-by-case consideration.” Nuclear Info. Res. Serv. v. NRC,
    21
    
    969 F.2d 1169
    , 1176 (D.C. Cir. 1992) (en banc). Indeed, “a
    contrary holding would require the agency continually to
    relitigate issues that may be established fairly and efficiently in
    a single rulemaking proceeding.” 
    Id. Similarly, with
    respect to NEPA, that statute “does not, by
    its own terms or its intent, alter the Commission’s hearing
    procedures . . . . The Supreme Court has been clear that ‘the
    only procedural requirements imposed by NEPA are those
    stated in the plain language of the Act.’ NEPA does not
    mandate particular hearing procedures and does not require
    hearings.” Beyond Nuclear v. NRC, 
    704 F.3d 12
    , 18–19 (1st
    Cir. 2013) (quoting Vermont Yankee Nuclear Power Corp. v.
    Nat. Res. Def. Council, Inc., 
    435 U.S. 519
    , 548 (1978)). And
    though NEPA “does impose a requirement that the NRC
    consider any new and significant information regarding
    environmental impacts before renewing a nuclear power plant’s
    operating license,” it “does not require agencies to adopt any
    particular internal decisionmaking structure.” 
    Massachusetts, 522 F.3d at 127
    (quoting Baltimore Gas & Electric 
    Co., 462 U.S. at 100
    ). Because neither the AEA nor NEPA guarantees
    an absolute right to a hearing and neither dictates how the
    Commission should determine who receives a hearing,
    NRDC’s reliance is misplaced. If every party challenging a
    generically resolved issue on the basis of “new and significant
    information” were guaranteed a hearing, the Commission
    would have no ability to streamline its relicensing process via
    generic rulemaking.       And “the Supreme Court has found
    agency reliance on prior [generic] determinations to be
    perfectly acceptable, even when the statute before it plainly
    calls for individualized hearings and findings.” Nuclear Info.
    Res. 
    Serv., 969 F.2d at 1175
    (listing Supreme Court cases). 5
    5
    NRDC’s reliance on Union of Concerned Scientists v. NRC (USC I)
    also fails. 
    735 F.2d 1437
    (D.C. Cir. 1984). In that case, the
    22
    Existing precedent further bolsters the Commission’s
    position that generically resolved issues need not be fully
    reconsidered at relicensing to comply with NEPA’s “hard look”
    requirement. For instance, in New Jersey Department of
    Environmental Protection v. NRC, the Third Circuit considered
    whether the NRC, when reviewing a relicensing application,
    had to examine the environmental impact of a hypothetical
    terrorist attack on a particular plant. The court concluded
    “[e]ven if NEPA required an assessment of the environmental
    effects of a hypothetical terrorist attack on a nuclear facility,
    the NRC has already made this assessment . . . . The NRC
    rules codify these generic findings, and by regulation, license
    renewal applications are excused from discussing generic
    issues in their environmental 
    reports.” 561 F.3d at 143
    . The
    appellant in that case still attempted to argue that NRC’s
    generic findings did not properly account for the unique risks
    borne by that particular plant. But the Third Circuit rejected
    these arguments as “collateral attacks on the licensing renewal
    regulations” and concluded “the proper way to raise them
    would have been in a petition for rulemaking or a petition for a
    waiver based on ‘special circumstances.’” 
    Id. Commission postponed
    its evaluation of emergency preparedness
    exercises to the post-adjudicatory phase of licensing and, in doing so,
    removed the public’s ability to seek a hearing on that issue. This
    court reversed, holding the Commission had lacked authority to
    eliminate hearings on issues it conceded were material to its licensing
    decision. See 
    id. at 1447.
    But the regulation in that case prohibited
    hearings without resolving the underlying issue in a generic rule—a
    process which affords the public an opportunity to comment during
    the rulemaking. Because the USC I framework is inapt here, we rely
    instead on precedents that address the Commission’s authority to
    resolve material issues generically rather than on a case-by-case
    basis. See, e.g., Nuclear Info. Res. 
    Serv., 969 F.2d at 1176
    ;
    
    Massachusetts, 522 F.3d at 127
    .
    23
    For all practical purposes, this case cannot be
    distinguished. Here, an NRC regulation excludes plants like
    Limerick from conducting a subsequent SAMA analysis;
    NRDC argues that this general regulation does not account for
    new circumstances. Such an argument similarly amounts to a
    collateral attack on the agency’s regulation—an attack which
    should properly have been brought through a rulemaking
    petition or via the waiver process.
    The Supreme Court in Baltimore Gas & Electric Co.
    considered a similar issue: there, NRC had chosen to
    generically evaluate the impact of fuel cycles and to inform
    licensing boards of its evaluation through a published table.
    This process was challenged as improperly forgoing any plant-
    specific analysis. But the Court upheld NRC’s determination:
    “The generic method chosen by the agency is clearly an
    appropriate method of conducting the hard look required by
    
    NEPA.” 462 U.S. at 101
    . The Court noted that generic
    resolution furthers “[a]dministrative efficiency,” and cautioned
    “[i]t is not our task to determine what decision we, as
    Commissioners, would have reached. Our only task is to
    determine whether the Commission has considered the relevant
    factors and articulated a rational connection between the facts
    found and the choice made.” 
    Id. at 105.
    Here, NRC considered
    whether additional site-specific SAMAs would be efficacious,
    concluding that they would not. This decision was rational,
    supported by facts, and similarly sufficient to satisfy the
    Commission’s “hard look” obligation under NEPA with respect
    to plants like Limerick.
    Finally, in Massachusetts v. United States, the First Circuit
    confronted a challenge to NRC’s global findings regarding the
    storage of spent fuel on site at a nuclear plant. The
    Commonwealth contended, as NRDC does here, that “it may
    raise [this] issue in the re-licensing proceeding and that [the
    24
    company’s] report violated NEPA and 10 C.F.R.
    § 51.53(c)(3)(iv) because it failed to address ‘new and
    significant information’ regarding the risk of on-site spent fuel
    
    storage.” 522 F.3d at 122
    . Because on-site storage was
    classified as a Category 1 issue under its regulations, NRC
    denied the Commonwealth intervener status and encouraged it
    to pursue the issue via a petition for rulemaking. The court
    held “the Commission’s decision to deny party status to the
    Commonwealth in the . . . license renewal proceedings [was]
    reasonable in context, and consistent with agency rules.” 
    Id. at 127.
    The court also emphasized that, as here, NRC regulations
    “provide channels through which the agency’s expert staff may
    receive new and significant information, namely from a license
    renewal applicant’s environmental report or from public
    comments on a draft SEIS.” 
    Id. NRDC brushes
    aside these cases as distinguishable
    because the issues there fell squarely under a “Category 1”
    classification. But, at bottom, NRDC is challenging Rule (L)
    itself as the organization has raised only issues precluded by
    this regulation. Whether the SAMA analysis is considered as a
    proper “Category 1” issue for plants like Limerick or rather as a
    “functional equivalent,” the principle remains the same: NRDC
    cannot challenge an agency’s rulemaking via collateral attack,
    absent a waiver. Moreover, NRDC has not been denied full
    access to litigate these issues; no party has an unequivocal right
    to a hearing on any terms before the Commission, and NRDC
    has been free all along to seek a waiver (as it did) or to pursue
    its contentions through rulemaking. The Commission has
    spoken to NRDC’s precise contentions through a notice-and-
    comment generic rule concerning a matter squarely within the
    agency’s expertise. We therefore uphold the Commission’s
    interpretation and invocation of Rule (L).
    25
    B.
    Having concluded the Commission’s interpretation of Rule
    (L) is reasonable and NRDC can only proceed if it receives a
    waiver, we now consider whether NRDC’s petition for waiver
    was properly denied. The Commission’s determination is
    entitled to deference as long as it was not arbitrary and
    capricious. See, e.g., Baltimore Gas & Electric 
    Co., 462 U.S. at 98
    . Under 10 C.F.R. § 2.335(b), a party is entitled to waiver
    only if it can prove “special circumstances” justify suspension
    of the rule. The Commission has adopted a four-factor test for
    assessing special circumstances. A movant must show “that
    (i) the rule’s strict application would not serve the purposes for
    which [it] was adopted; (ii) the movant has alleged special
    circumstances that were not considered, either explicitly or by
    necessary implication, in the rulemaking proceeding leading to
    the rule sought to be waived; (iii) those circumstances are
    “unique” to the facility rather than common to a large class of
    facilities; and (iv) a waiver of the regulation is necessary to
    reach a significant safety problem. . . . For a waiver request to
    be granted, all four factors must be met.” Millstone, 62 N.R.C.
    at 559–60.
    Here, the Commission’s decision rested on the third factor
    of “uniqueness.” In Millstone, the Commission found that
    considerations such as proximity of the plant to an adjoining
    state and changes in demographics and roadways around the
    plant were “hardly unique” as these were “important but
    common problem[s] addressed by the NRC’s ongoing
    regulatory program.” 
    Id. at 562.
    Other circuits have upheld the
    Commission’s denial of waivers on a similar basis. See, e.g.,
    
    Massachusetts, 708 F.3d at 74
    (holding that, because the
    concerns raised by spent fuel cell storage “applied to all nuclear
    power plants,” the claims were best handled through
    rulemaking).
    26
    In this case, NRDC raised claims of newer, more
    efficacious technology developed since 1989 for boiling water
    reactors like Limerick. It also pointed to demographic changes
    around the plant (such as increased population and changed
    economic circumstances).         But—as in Millstone—these
    concerns are applicable to many, if not all, other plants that
    would be seeking relicensing after a twenty-year period. [JA
    393] The Commission therefore denied the petition for lack of
    “unique” application. That reasonable determination is entitled
    to deference from this court.
    As a final note, NRDC’s aims are ultimately best served by
    pursuing a rulemaking to challenge Rule (L), as the
    Commission has urged. Although rulemaking is far from the
    fastest route, it has transparency, extensive public input, and
    broad application to recommend it. As it stands, however, we
    conclude the Commission’s interpretation and application of
    Rule (L) in the Limerick relicensing proceeding was reasonable
    and cannot be challenged through NRDC’s collateral attack.
    V. Conclusion
    For the foregoing reasons, the petition is
    Denied.