Appalachian States v. Secretary Energy ( 1996 )


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  •                                                                                                                            Opinions of the United
    1996 Decisions                                                                                                             States Court of Appeals
    for the Third Circuit
    8-20-1996
    Appalachian States v. Secretary Energy
    Precedential or Non-Precedential:
    Docket 95-7382
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    Recommended Citation
    "Appalachian States v. Secretary Energy" (1996). 1996 Decisions. Paper 89.
    http://digitalcommons.law.villanova.edu/thirdcircuit_1996/89
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    UNITED STATES COURT OF APPEALS
    FOR THE THIRD CIRCUIT
    No. 95-7382
    APPALACHIAN STATES LOW-LEVEL
    RADIOACTIVE WASTE COMMISSION
    v.
    HON. HAZEL O'LEARY, in her official
    capacity as Secretary of Energy,
    Appellant.
    On Appeal from the United States District Court
    for the Middle District of Pennsylvania
    (D.C. Civil Action No. 94-cv-01033)
    Argued February 9, 1996
    Before: BECKER, ROTH and MCKEE, Circuit Judges
    (Opinion Filed August 20, 1996)
    Frank W. Hunger
    Assistant Attorney General
    David M. Barasch
    United States Attorney
    Mark B. Stern
    Michael S. Raab (Argued)
    Assistant United States Attorneys
    United States Department of Justice
    Civil Division, Room 3127
    10th & Pennsylvania Avenue, N.W.
    Washington, DC 20530
    Mary C. Frye
    Assistant United States Attorney
    Office of the United States Attorney
    Federal Building
    228 Walnut Street
    P.O. Box 11754
    Harrisburg, PA 17108
    Attorneys for Appellant
    John W. Carroll, Esq. (Argued)
    Timothy B. Anderson, Esq.
    Brian P. Downey, Esq.
    Pepper, Hamilton & Scheetz
    200 One Keystone Plaza
    North Front and Market Streets
    P.O. Box 1181
    Harrisburg, PA 17108-1181
    David Richman, Esq.
    Pepper, Hamilton & Scheetz
    3000 Two Logan Square
    Eighteenth and Arch Streets
    Philadelphia, PA 19103-2799
    Attorneys for Appellee
    Michael F. Healy, Esq.
    Donald J. Silverman, Esq.
    Sang Y. Paek, Esq.
    Morgan, Lewis & Bockius
    1800 M Street, N.W.
    Washington, DC 20036
    Attorneys for Amicus-Appellant
    Scott Harshbarger
    Attorney General
    Commonwealth of Massachusetts
    Kristin McIntosh, Esq.
    William W. Porter, Esq.
    Thomas A. Barnico, Esq.
    Assistant Attorneys General
    Commonwealth of Massachusetts
    One Ashburton Place, Room 2019
    Boston, MA 02108
    Attorneys for Amicus-Appellee
    OPINION OF THE COURT
    ROTH, Circuit Judge:
    In this appeal, we must evaluate the Secretary of
    Labor's interpretation of the Low-Level Radioactive Waste Policy
    Amendments Act of 1985 ("LLRW Act"), 42 U.S.C. §§ 2021a-2021j,
    under the standard set forth in Chevron U.S.A., Inc. v. Natural
    Resources Defense Council, Inc., 
    467 U.S. 837
     (1984). We hold
    that the Secretary's interpretation was a permissible reading of
    an ambiguous statute and is properly accorded deference. We will
    therefore reverse the district court's decision and enter
    judgment for the Secretary.
    I.
    This case revolves around Congress's efforts to address
    the nation's problems with the disposal of low-level radioactive
    waste ("LLRW") and the Secretary of Energy's ("Secretary")
    attempts to implement Congress's legislated solution. Much of
    the background to this dispute is described in New York v. United
    States, 
    505 U.S. 144
     (1992), in which the U.S. Supreme Court held
    unconstitutional the LLRW Act's requirement that states which
    were not in compliance with the Act after January 1, 1993, take
    title to their waste. 42 U.S.C. § 2021e(d)(2)(C)(i). The Court
    held the take-title provision severable; the balance of the Act
    remains in effect.
    The LLRW saga began in the 1970s when six commercial
    LLRW disposal sites were operating in the United States. By
    1979, three of the facilities had closed permanently, and the
    states where the three remaining facilities were located had
    announced plans to shut down or to severely limit access to their
    sites. The nation faced a substantial risk that thousands of
    LLRW generators -- such as hospitals, research institutions,
    universities, manufacturers, industrial facilities, and nuclear
    power plants -- would have nowhere to dispose of their waste.
    New York, 
    505 U.S. at 149-50
    .
    Congress responded to this crisis by passing the Low-
    Level Radioactive Waste Policy Act of 1980, Pub. L. No. 96-573,
    
    94 Stat. 3347
     (1980). This largely hortatory enactment
    authorized states to form regional compacts that would cooperate
    to plan, construct, and operate new LLRW disposal sites. The
    1980 Act authorized the regional compacts to exclude waste
    generated outside their regions beginning on January 1, 1986. As
    that date approached, it became apparent that no new facilities
    had been built. The nation faced a renewed LLRW crisis,
    accentuated by the fact that those regional compacts containing
    the three existing facilities could now exclude waste from the
    remaining states. New York, 
    505 U.S. at 151
    .
    Congress reacted by passing new legislation. The Low-
    Level Radioactive Waste Policy Amendments Act of 1985, 42 U.S.C.
    §§ 2021a-2021j, created a revised set of deadlines and added a
    variety of incentives and penalties to the formerly toothless
    scheme. The goal of the program remained the construction of new
    disposal sites. The new system of incentives and penalties was
    designed to spur construction. The deadlines included a series
    of milestones by which states had to submit plans, issue progress
    reports, and eventually complete licensing applications for new
    LLRW sites. States could also comply with the statute's
    requirements by forming regional compacts in which one state
    would build the requisite facility and the others would contract
    for waste disposal. The incentives included an escalating scale
    of surcharges, which states with sites could charge for LLRW
    waste disposal and a rebate system to return a portion of those
    surcharges to states that met the relevant milestones. States
    that failed to meet the milestones would forfeit these rebates,
    would face higher surcharge rates, and could be barred from
    disposing of their waste at a given facility.
    The various statutory milestones followed a natural
    progression toward full disposal. By July 1, 1986, "each non-
    member State" had to manifest an "intent to develop a site for
    the location of a [LLRW] disposal facility within such State."
    42 U.S.C. § 2021e(e)(1)(A). By January 1, 1988, each non-sited
    region had to identify the state that would contain the LLRW
    facility and develop a detailed siting plan for establishing the
    facility. Id. § 2021e(e)(1)(B). By January 1, 1990, each non-
    sited compact region and each non-member state had to furnish a
    complete application for licensing the LLRW facility.
    Alternatively, any state without a facility could provide
    "written certification . . . that such State will be capable of
    providing for, and will provide for, the storage, disposal, or
    management of any [LLRW] waste generated within such State and
    requiring disposal after December 31, 1992 . . .." Id. §
    2021e(e)(1)(C). The fourth and final milestone provided for
    reimbursement only if "by January 1, 1993, the State . . . is
    able to provide for the disposal of all [LLRW] generated within
    such State or compact region." Id. § 2021e(d)(2)(B)(iv).
    To comply with the LLRW Act, the states of
    Pennsylvania, Delaware, Maryland, and West Virginia formed the
    Appalachian States Low-Level Radioactive Waste Compact, governed
    by the plaintiff-appellee Appalachian States Low-Level
    Radioactive Waste Commission ("Commission"). Congress approved
    this compact on May 19, 1988. Pub. L. No. 100-319, 
    102 Stat. 471
    (1988). The record indicates that the Commission met the first
    three statutory milestones.
    This dispute turns on the fourth milestone. On
    December 1, 1992, the Commission entered an eighteen-month
    conditional contract with the Southeast Compact to obtain access
    to the disposal facility in Barnwell, South Carolina, one of the
    three sites that had been in existence when the original 1980 Act
    was passed. The contract was not renewed, and the Commission
    does not have a contract with any other compact region or state
    for the disposal of LLRW. Nevertheless, this contract was in
    effect on January 1, 1993, the date by which a state had to be
    able to dispose of "all" LLRW to meet the fourth milestone and
    qualify for a rebate.
    On February 11, 1993, the Commission sent a letter to
    the Department of Energy claiming that it had satisfied the
    requirements of the LLRW Act and was therefore eligible for a
    full 1993 rebate. On March 21, 1994, the Secretary published her
    interpretation of the statute, clarifying the criteria for the
    1993 rebate. She explained that a full 1993 rebate would be
    given only to those states that had provided for disposal of all
    their waste for the entire three-year period from January 1,
    1993, until January 1, 1996. States that only provided for
    disposal for shorter periods would have their rebates reduced
    proportionately. This interpretation was based on the
    Secretary's reading of the statute as a whole, relying
    particularly on the related provision in § 2021e(d)(2)(C) that
    established the consequences of failing to meet the 1993
    milestone. On April 22, 1994, the Commission renewed its request
    for a full 1993 rebate. On September 1, 1994, pursuant to its
    final policy and procedures, the Secretary paid the Commission
    one half of the maximum rebate, plus interest. This amount was
    based on the Commission's eighteen-month contract, which provided
    for waste disposal for half of the three-year period.
    The Commission responded by filing suit in the U.S.
    District Court for the Middle District of Pennsylvania, seeking a
    writ of mandamus to compel the Secretary to pay the full rebate.
    Both sides moved for summary judgment. Ostensibly applying
    Chevron, U.S.A., Inc. v. Natural Resources Defense Council, Inc.,
    
    467 U.S. 837
     (1984), the district court held that (1) the statute
    was ambiguous, but that (2) the Secretary had failed to adopt a
    reasonable reading of the LLRW Act. See Appalachian States Low-
    Level Radioactive Waste Comm'n v. O'Leary, Civ. No. 3:CV-94-1033,
    slip op. at 16 (M.D. Pa. May 22, 1995) (hereinafter District
    Court Op.). The Secretary appealed.
    II.
    The district court had jurisdiction over this action
    pursuant to 
    28 U.S.C. § 1331
     (federal question) and § 1361
    ("original jurisdiction of any action in the nature of mandamus
    to compel an officer or employee of the United States or any
    agency thereof to perform a duty owed to plaintiff"). We
    exercise appellate jurisdiction over the district court's final
    order pursuant to 
    28 U.S.C. § 1291
    .
    III.
    In exercising plenary review over the district court's
    grant of summary judgment, we must apply the standard that the
    district court should have used initially. Goodman v. Mead
    Johnson & Co., 
    534 F.2d 566
    , 573 (3d Cir. 1976), cert. denied,
    
    429 U.S. 1038
     (1977). Accordingly, the central issue before us
    is whether the Secretary's action meets the test set forth in
    Chevron, U.S.A., Inc. v. Natural Resources Defense Council, Inc.,
    
    467 U.S. 837
     (1984). We conclude that, in interpreting the LLRW
    Act, the Secretary adopted a permissible reading of an ambiguous
    statute. The district court, by contrast, held the statute
    ambiguous, but then went on to reject the Secretary's
    interpretation. We will reverse the decision of the district
    court.
    Where Congress has entrusted a federal agency with the
    administration of a statutory program, judicial review of that
    agency's actions proceeds along well-established principles. In
    Chevron, the Supreme Court set out the requisite two-step
    inquiry. The reviewing court must first determine
    whether Congress has directly spoken to the
    precise question at issue. If the intent of
    Congress is clear, that is the end of the
    matter, for the court, as well as the agency,
    must give effect to the unambiguously
    expressed intent of Congress.
    
    Id. at 842-43
    . If Congress has not directly addressed the
    precise matter at issue, then "the question for the court is
    whether the agency's answer is based on a permissible
    construction of the statute." 
    Id. at 843
    . In determining
    whether a ruling is permissible, the court cannot conduct a de
    novo investigation. Instead, the court must defer to the
    agency's construction "unless it appears from the statute or its
    legislative history that the accommodation is not one that
    Congress would have sanctioned." 
    Id. at 845
     (quoting United
    States v. Shimer, 
    367 U.S. 374
    , 382 (1961)).
    Analysis therefore begins with the language of the
    statute. We must determine whether the plain meaning of the
    statute speaks to the precise question at issue, viz. whether the
    Commission's eighteen-month contract for waste disposal satisfies
    § 2021e(d)(2)(B)(iv)'s requirement that a state provide for the
    disposal of "all" its LLRW. Section 2021e(d)(2)(B)(iv) reads:
    (iv) The twenty-five percentum of any
    amount collected by a State under paragraph
    (1) for low-level radioactive waste disposed
    of under this section during the period
    beginning January 1, 1990 and ending December
    31, 1992, and transferred to the Secretary
    under subparagraph (A), shall be paid by the
    Secretary in accordance with subparagraph
    (D) if, by January 1, 1993, the State in
    which such waste originated (or its compact
    region, where applicable) is able to provide
    for the disposal of all low-level radioactive
    waste generated within such State or compact
    region.
    42 U.S.C. § 2021e(d)(2)(B)(iv) (emphases and footnotes added).
    The crucial word in this passage is "all." The
    Commission contends that a contract to dispose of all waste for
    an eighteen-month period meets the plain meaning of the January
    1, 1993, milestone. The Secretary believes that neither the Act
    itself nor the legislative history directly resolves the issue.
    Nevertheless, based on congressional intent, legislative history,
    and the statutory scheme as a whole, the Secretary interpreted
    the provision as requiring the ability to dispose of all waste
    over a three-year period from January 1, 1993, until January 1,
    1996. See Surcharge Rebates: Notice of Response to Comments of
    Draft Policies and Procedures, and Final Policies and Procedures,
    
    59 Fed. Reg. 15188
    , 15191 (1994).
    Chevron dictates that we begin by exploring the plain
    meaning of the Act to see if it speaks directly to this
    disagreement. In determining plain meaning, we start with the
    text of the provision itself. In re Segal, 
    57 F.3d 342
    , 345 (3d
    Cir. 1995). "Where . . . the statute's language is plain, 'the
    sole function of the court is to enforce it according to its
    terms.'" United States v. Ron Pair Enter., 
    489 U.S. 235
    , 241
    (1989) (quoting Caminetti v. United States, 
    242 U.S. 470
    , 485
    (1917)).
    The district court held that "[t]he explicit language
    of the Act does not support the Secretary's position." District
    Ct. Op. at 10. It later added, "[h]owever, we also do not find
    that Congress has expressly spoken in opposition to the
    Secretary's interpretation." 
    Id.
     at 11 n.11. The district court
    also commented that "the pertinent language of the Act could be
    more explicit." 
    Id.
     We interpret these findings as expressing a
    holding that the statutory language is ambiguous. After our own
    independent inquiry, we agree. The plain meaning of the Act does
    not speak to the precise question at issue.
    The first prong of Chevron turns on the text of the
    provision, in this case on the implications of the adjective
    "all." This term is not defined in § 2021b's list of
    definitions. Common usage, however, provides a measure of
    insight. The Random House Dictionary of the English Language(1983),
    offers the following as the first two definitions for the
    term's adjectival form: "1. the whole of (used in referring to
    quantity, extent, or duration): all the cake; all the way; all
    year. 2. the whole number of (used in referring to individuals
    or particulars, taken collectively): all men." Id. at 38.
    Black's Law Dictionary (5th ed. 1979) offers similar
    formulations. "All. Means the whole of--used with a singular
    noun or pronoun, and referring to amount, quantity, extent,
    duration, quality, or degree. The whole number or sum of--used
    collectively, with a plural noun or pronoun expressing an
    aggregate." Id. at 68.
    There can be little doubt that these definitions
    capture the sense in which the LLRW Act uses the word,
    particularly in the phrase "all . . . waste." Waste is a
    singular, collective noun. The adjective "all" may refer to the
    entirety of that waste whether it be in quantity or in duration.
    We must determine whether in the LLRW Act the use of
    "all" refers only to quantity or whether it also incorporates
    duration. The Commission believes that to satisfy its
    obligation, it merely had to be able on January 1, 1993, to
    dispose of all its waste without any requirement of future
    capacity. The Secretary believes that "all" includes aspects of
    duration, judged by the ability to dispose of waste over a three-
    year period from January 1, 1993, until January 1, 1996. Given
    the lack of an explicit statutory definition of "all," we believe
    that the plain meaning of the statute is ambiguous.
    Having found an ambiguity, our next task under Chevronis to
    determine "whether the agency's answer is based on a
    permissible construction of the statute." 
    467 U.S. at 843
    . We
    stress once again that the reviewing court must not conduct an
    independent inquiry. "The court need not conclude that the
    agency construction was the only one it permissibly could have
    adopted . . ., or even the reading the court would have reached
    if the question initially had arisen in a judicial proceeding."
    
    Id.
     at 843 n.11. A far more deferential standard is appropriate.
    As the Supreme Court has described it, the judiciary's
    task in such circumstances is "to defer to [the agency's] view
    unless the legislative history or the purpose and structure of
    the act clearly reveal a contrary intent on the part of
    Congress." Chemical Mfrs. Ass'n v. Natural Resources Defense
    Council, Inc., 
    470 U.S. 116
    , 126 (1985). As we have framed the
    test, we must determine "whether the regulation harmonizes with
    the plain language of the statute, its origin, and purpose. So
    long as the regulation bears a fair relationship to the language
    of the statute, reflects the views of those who sought its
    enactment, and matches the purpose they articulated, it will
    merit deference." Sekula v. F.D.I.C., 
    39 F.3d 448
    , 452 (3d Cir.
    1994); see also Director, Office of Workers' Compensation, U.S.
    Dept. of Labor v. Eastern Associated Coal Corp., 
    54 F.3d 141
     (3d
    Cir. 1995) (applying Sekula's formulation).
    We therefore turn to the legislative history and
    purpose of the statute to determine whether they clearly reveal a
    contrary intent. Quite the opposite, our review of these sources
    indicates that if anything, they support the Secretary's
    interpretation. Both the history and purpose of the statute
    suggest that "all" includes a durational aspect.
    As noted in Part I, supra, the LLRW Act was passed to
    address a "nationwide crisis in low-level radioactive waste
    disposal." S. Rep. No. 199, 99th Cong., 1st Sess. 4 (1985). The
    central purpose of the LLRW Act was to encourage the development
    of new LLRW disposal facilities. H.R. Rep. No. 314, 99th Cong.,
    1st Sess., pt. 2, at 55 (1985), reprinted in 1985 U.S.C.C.A.N.
    3002, 3030. The Act's selection of incentives and penalties was
    "an essential element of any solution to the serious problem now
    facing the States in the unsited regions." S. Rep. No. 199, 99th
    Cong., 1st Sess 4 (1985). By passing the 1985 Act, Congress
    sought to remedy the difficulties that had rendered the 1980
    legislation ineffective. By encouraging the development of new
    storage space, Congress sought to avoid yet another LLRW crisis.
    The goal of encouraging the construction of new
    facilities reveals Congress's desire for a long-term solution.
    This purpose is manifested in the structure of the Act,
    particularly in its series of progressive milestones. These
    milestones proceeded in graduated fashion, encouraging states to
    move from a basic intent to create a facility, through the
    planning stage, to arrive in 1993 with licensed, operational
    facilities. Although states could meet the milestones by
    contracting with facilities in other states or with other
    compacts, the incremental structure of the provisions shows a
    clear intent to promote the construction of new facilities.
    Indeed, it is impossible to conclude otherwise, knowing that the
    original 1980 Act was passed due to the inadequacy of existing
    storage facilities and that the revised 1985 Act was passed to
    spur construction through a program of incentives. It is
    ludicrous to think that Congress envisioned short-term contracts
    with the already existing Barnwell facility as the preferred
    solution to the national LLRW problem.
    Other provisions of the Act similarly manifest the
    legislature's desire for a long-term solution. The allowable
    surcharge for disposal was designed to increase steadily,
    doubling from $10 per cubic foot in 1986 and 1987 (the period of
    the first and second milestones) to $20 per cubic foot in 1988
    and 1989 (the period of the third milestone), then doubling again
    to $40 per cubic foot between 1990 and 1992 (the period leading
    up to the final milestone). 42 U.S.C. § 2021e(d)(1). These
    surcharges could increase by additional multipliers if a state
    had failed to comply with previous milestones. Id. §
    2021e(e)(2)(A)-(D). Rebate money that the states received for
    meeting milestones could only be used for specific purposes, such
    as the establishment of LLRW disposal facilities, mitigation of
    LLRW disposal facility effects, regulation of LLRW disposal
    facilities, or the decommissioning of existing LLRW disposal
    facilities. Id. § 2021e(d)(2)(E). The entire structure of the
    incentive program was aimed at encouraging the construction of
    new, long-term facilities.
    Given this statutory scheme, purpose, and legislative
    history, it seems clear that the Secretary's interpretation of
    the term "all" to include a durational aspect "bears a fair
    relationship to the language of the statute, reflects the views
    of those who sought its enactment, and matches the purpose they
    articulated." Sekula v. F.D.I.C., 
    39 F.3d at 452
    . There is
    certainly no evidence of a "contrary intent on the part of
    Congress." Chemical Mfrs. Ass'n, 
    470 U.S. at 126
    .
    Our conclusion is consistent with the specific terms of
    the Secretary's interpretation. The Act provides that states are
    to receive a surcharge rebate for being able to dispose of "all"
    waste by January 1, 1993, and this rebate has to be awarded
    within thirty days of the milestone's achievement. 42 U.S.C. §
    2021e(e)(1)(F). The Secretary consequently needed a definite
    standard for applying the final milestone's indefinite
    requirement.
    On March 31, 1994, the Department of Energy published a
    regulation entitled "Surcharge Rebates: Notice of Response to
    Comments on Draft Policies and Procedures, and Final Policies and
    Procedures." 
    59 Fed. Reg. 15188
     (1994). This regulation noted
    that "[t]he Act does not explicitly define the term 'provide for
    the disposal of all' LLRW." Id. at 15189. After exploring the
    legislative history and statutory scheme, and after examining the
    text of § 2021e(d)(2)(C), the Secretary concluded that "for
    complete, lump-sum rebate eligibility, the States or their
    compact regions must have provided for disposal capacity for the
    entire 36-month period between January 1, 1993, and January 1,
    1996." Id. at 15191.
    To conclude that the Secretary's interpretation is
    permissible, we need look no further than related sections of the
    Act. While § 2021e(d)(2)(B)(iv) discusses the payments a state
    earns for successfully meeting the final statutory milestone, the
    very next subparagraph, § 2021e(d)(2)(C), addresses a state's
    failure to meet the January 1, 1993, deadline. It seems obvious
    that these two sections work together; the rewards are followed
    by the penalties. The consecutive subparagraphs must be read
    together to create a unified statutory scheme.
    Section 2021e(d)(2)(C) provides that "[i]f, by January
    1, 1993, a State . . . is unable to provide for the disposal of
    all such waste . . . " that state must pay the surcharge rebate
    that it would have received for compliance to the generators from
    whom the surcharge was collected. 42 U.S.C. §
    2021e(d)(2)(C)(ii). The details of the repayment of the
    surcharge to waste generators have important implications for
    this dispute.
    Section 2021e(d)(2)(C)(ii) states that repayments to
    the generators are to be made on a monthly basis with each
    payment equal to one thirty-sixth of the total amount to be
    repaid. These payments continue "until the State . . . is able
    to provide for the disposal of all such waste . . . or until
    January 1, 1996, whichever is earlier." Id. Section
    2021e(d)(2)(C) further provides that any state that achieves the
    ability to dispose of all waste at any time after January 1,
    1993, and prior to January 1, 1996, will receive its lump sum
    rebate, but "[t]hat such payment shall be adjusted to reflect the
    remaining number of months between January 1, 1993 and January 1,
    1996 for which such State . . . provides for the disposal of such
    waste." Id. at § 2021e(d)(2)(C). The balance of the amount is
    paid to the generator.
    Section 2021e(d)(2)(C) thus creates an evaluatory
    window spanning the three years from January 1, 1993, until
    January 1, 1996. States have the duty to provide for disposal of
    all waste indefinitely, but they are judged based on their
    success during this clearly defined time period. Under the
    provision, a state that fails to meet the disposal requirement
    receives a rebate proportional to the amount of time during this
    three-year period for which it did successfully meet the
    requirement.
    The case before us presents a scenario opposite to the
    one described above in which a state first fails to meet the
    requirement and then succeeds. In the current case, the
    Commission succeeded for the first half of the designated period
    and then failed. These two situations are symmetrical, and the
    Secretary believed that they should be treated symmetrically. In
    other words, she concluded that, when §§ 2021e(d)(2)(B)(iv) and
    2021e(d)(2)(C) are read together, they establish a three-year
    period of assessment during which a state is tested for its
    ability to provide for disposal of "all" waste. The state should
    receive a rebate proportional to the duration of the three-year
    period during which it was able to meet the standard.
    This interpretation meets the second prong of Chevron.
    It provides a method of measuring state compliance that "bears a
    fair relationship to the language of the statute, reflects the
    views of those who sought its enactment, and matches the purpose
    they articulated." Sekula v. F.D.I.C., 
    39 F.3d at 452
    . Indeed,
    we believe that this interpretation is so well supported as to
    venture beyond the merely permissible. In our view, the
    Secretary was correct. A permissible interpretation, however, is
    all that Chevron requires.
    IV.
    Having held the Secretary's interpretation permissible
    under the second prong of Chevron, our inquiry is at an end. The
    district court, however, came to two further conclusions that
    could provide independent support for its entry of summary
    judgment in favor of the Commission. We will address them
    briefly.
    First, the district court held the Secretary's
    interpretation of the Act procedurally invalid, claiming that the
    Secretary failed to comply with the Administrative Procedure
    Act's requirements for notice and comment rule-making, 
    5 U.S.C. §§ 533
    (b) & (c). This conclusion was incorrect as a matter of
    law.
    The Secretary's ruling was interpretative, and
    interpretive rules are exempt from notice and comment procedures
    pursuant to 
    5 U.S.C. § 553
    (b)(3)(A).
    Interpretive rules constitute a body of
    experience and informed judgment to which
    courts and litigants may properly resort for
    guidance. Interpretive rules are not
    intended to alter legal rights, but to state
    the agency's view of what existing law
    requires. Such rules "merely clarify or
    explain existing law or regulations."
    Sekula, 
    39 F.3d at 457
     (quoting Southern Cal. Edison Co. v.
    F.E.R.C., 
    770 F.2d 779
    , 783 (9th Cir. 1985)). "If the rule in
    question merely clarifies or explains existing law or
    regulations, it will be deemed interpretive." Bailey v.
    Sullivan, 
    885 F.2d 52
    , 62 (3d Cir. 1989). A rule is also
    interpretive if the statutory scheme would have been fully
    operative without the regulations and the regulation merely
    published standards to be used in agency adjudication. American
    Mining Congress v. Mine Safety & Health Admin., 
    995 F.2d 1106
    ,
    1108-09 (D.C. Cir. 1993).
    These descriptions characterize the Secretary's action
    in the current case. The LLRW Act imposed the obligation to
    dispose of "all . . . waste." The Secretary's notice simply
    publicized the standards she intended to use when applying §
    2021e(d)(2)(B)(iv), clarifying her view of what existing law
    required. In addition, the Secretary had the power to make
    payment determinations in her role as trustee of the escrow
    account pursuant to § 2021e(d)(2)(A). She would therefore have
    made these decisions even if she had not publicized her standards
    in the Federal Register. As such, her ruling was interpretive
    and exempt from notice and comment requirements.
    The district court also held the Secretary's position
    procedurally invalid as an instance of retroactive rulemaking.
    The court reached this conclusion largely because it believed
    that the Secretary's 1994 publication of her interpretation
    promulgated a new rule that could not be applied to a contract
    formed in 1992. Retroactive rulemaking is presumptively
    impermissible, see Bowen v. Georgetown Univ. Hosp., 
    488 U.S. 204
    ,
    208 (1988); see also Landgraf v. USI Film Products, 
    511 U.S. 244
    ,
    ___, 
    114 S. Ct. 1483
    , 1505 (1994), but retroactivity concerns are
    irrelevant to this case. The Secretary's ruling was
    interpretive. It therefore did not alter existing rights or
    obligations; it merely clarified what those existing rights and
    obligations had always been. See Manhattan Gen. Equip. Co. v.
    Commissioner, 
    297 U.S. 129
    , 135 (1936) (explaining that agency
    rule interpreting a statute "is no more retroactive in its
    operation than a judicial determination construing and applying a
    statute to a case in hand"). As a result, her interpretation had
    no prohibited retroactive impact.
    V.
    Congress passed the LLRW Act to address the nation's
    recurring problems with nuclear waste. Congress sought to
    address the problem through the construction of new disposal
    facilities, spurred by a carefully crafted series of incentives
    and standards. These standards culminated in a requirement that
    states be able to dispose of "all" waste. In the seven years it
    had to prepare to meet Congress's 1985 requirements and in the
    twelve years it had to meet the 1980 requirements, the Commission
    failed to develop any options beyond a short-term contract with
    one of the nation's original facilities. The Secretary evaluated
    the sufficiency of this contract based on a permissible reading
    of the Act and found it wanting. Under Chevron, this court
    cannot substitute its judgment for the Secretary's. We will
    therefore reverse the district court's decision and remand with
    instructions to enter judgment for the Secretary.