United Steel, Paper and Forest v. MSHA , 925 F.3d 1279 ( 2019 )


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  •  United States Court of Appeals
    FOR THE DISTRICT OF COLUMBIA CIRCUIT
    Argued March 12, 2019                  Decided June 11, 2019
    No. 18-1116
    UNITED STEEL, PAPER AND FORESTRY, RUBBER,
    MANUFACTURING,
    ENERGY, ALLIED INDUSTRIAL AND SERVICE WORKERS
    INTERNATIONAL UNION,
    AFL-CIO-CLC AND UNITED MINE WORKERS OF AMERICA
    INTERNATIONAL UNION,
    PETITIONERS
    v.
    MINE SAFETY AND HEALTH ADMINISTRATION AND
    R. ALEXANDER ACOSTA, SECRETARY OF LABOR,
    UNITED STATES DEPARTMENT OF LABOR,
    RESPONDENTS
    On Petition for Review of a Final Rule of
    the Mine Safety & Health Administration
    Laura Karr argued the cause for the petitioner United
    Mine Workers. Susan J. Eckert argued the cause for the
    petitioner United Steelworkers. Joseph M. Santarella, Jr. and
    Andrew D. Roth were with them on brief.
    Emily Toler Scott, Attorney, Mine Safety & Health
    Administration, argued the cause for the respondents. Ali A.
    Beydoun, Counsel, Appellate Litigation, was with her on brief.
    2
    Before: HENDERSON, ROGERS and KATSAS, Circuit
    Judges.
    Opinion for the Court filed by Circuit Judge HENDERSON.
    Opinion concurring in part and dissenting in part filed by
    Circuit Judge KATSAS.
    KAREN LECRAFT HENDERSON, Circuit Judge: The Mine
    Safety and Health Administration (MSHA), housed in the
    United States Department of Labor (Labor), sets health and
    safety standards for mine operations. Its regulatory authority
    is subject to a unique limitation: “[n]o mandatory health or
    safety standard . . . shall reduce the protection afforded miners
    by an existing mandatory health or safety standard.” 
    30 U.S.C. § 811
    (a)(9). The no-less-protection standard occupies
    center stage in the case before us. In 2017, MSHA
    promulgated a safety standard that requires mine operators to
    examine all areas before miners begin work and to record all
    “conditions that may adversely affect safety or health”
    discovered during the examination. Examinations of Working
    Places in Metal and Nonmetal Mines, 
    82 Fed. Reg. 7680
    , 7682
    (Jan. 23, 2017) (2017 Standard). Fourteen months later,
    however, MSHA amended the requirements, allowing
    examinations to occur before or as miners begin work and
    allowing mine operators to exclude from their records adverse
    conditions that are promptly corrected. Examinations of
    Working Places in Metal and Nonmetal Mines, 
    83 Fed. Reg. 15,055
     (Apr. 9, 2018) (codified at 
    30 C.F.R. §§ 56.18002
    (a)–
    (c), 57.18002(a)–(c)) (2018 Amendment). We are called upon
    to decide whether MSHA explained adequately how the
    amendments to the 2017 Standard comply with the no-less-
    protection standard.
    3
    I. BACKGROUND
    The Federal Mine Safety and Health Act of 1977, Pub. L.
    No. 91-173, 
    83 Stat. 742
     (codified as amended at 
    30 U.S.C. §§ 801
     et seq.) (Mine Act), directs the Labor Secretary to
    “develop, promulgate, and revise as may be appropriate,
    improved mandatory health or safety standards for the
    protection of life and prevention of injuries in coal or other
    mines.” 
    30 U.S.C. § 811
    (a). The Secretary discharges his
    Mine Act responsibilities through MSHA. The Mine Act
    includes a no-less-protection standard, which provides that
    “[n]o mandatory health or safety standard . . . shall reduce the
    protection afforded miners by an existing mandatory health or
    safety standard.” 
    Id.
     § 811(a)(9). This unusual limitation
    “expressly mandates that no reductions in the level of safety
    below existing levels be permitted, regardless of the benefits
    accruing to improved efficiency.” United Mine Workers of
    Am., Int’l Union v. Dole, 
    870 F.2d 662
    , 666 (D.C. Cir. 1989).
    MSHA has for decades required examinations of mine
    workplaces and imposed recordkeeping requirements on mine
    operators.   From 1979 to 2017, MSHA required “[a]
    competent person designated by the operator” to “examine
    each working place at least once each shift for conditions which
    may adversely affect safety or health.” 
    30 C.F.R. § 56.18-2
    (a)
    (1980); see also 
    id.
     § 57.18-2(a) (same requirements for
    underground mines). The examination could occur anytime
    during the shift. Id. The standard also mandated that
    operators keep “[a] record that [] examinations were
    conducted.” Id. § 56.18-2(b); see also id. § 57.18-2(b)
    (underground mines).
    In 2017, MSHA decided to impose more stringent
    requirements. Examinations of Working Places in Metal and
    Nonmetal Mines, 82 Fed. Reg. at 7680–81. It adopted a new
    4
    standard for workplace examinations: “[a] competent person
    designated by the operator shall examine each working place
    at least once each shift before miners begin work in that place,
    for conditions that may adversely affect safety or health.” 
    30 C.F.R. § 56.18002
    (a) (2017) (emphasis added) (2017
    Standard); see also 
    id.
     § 57.18002(a) (underground mines). It
    also added more detailed recordkeeping requirements,
    demanding for the first time that a record of an examination
    include (as relevant here): a “description of each condition
    found that may adversely affect the safety or health of miners.”
    Id. § 56.18002(b); see also id. § 57.18002(b) (underground
    mines). The 2017 Standard was originally slated to take effect
    on May 23, 2017. MSHA twice delayed the effective date.
    See Examinations of Working Places in Metal and Nonmetal
    Mines, 
    82 Fed. Reg. 15,173
     (March 27, 2017); Examinations
    of Working Places in Metal and Nonmetal Mines, 
    82 Fed. Reg. 23,139
     (May 22, 2017).          After a three-day period of
    effectiveness in October 2017, MSHA temporarily withdrew
    the 2017 Standard and delayed its effective date for a third
    time. See Examinations of Working Places in Metal and
    Nonmetal Mines, 
    82 Fed. Reg. 46,411
     (Oct. 5, 2017).
    In April 2018, MSHA promulgated a final rule amending
    the requirements of the 2017 Standard. Examinations of
    Working Places in Metal and Nonmetal Mines, 83 Fed. Reg. at
    15,055 (2018 Amendment). Under the 2018 Amendment, a
    competent person must “examine each working place at least
    once each shift before work begins or as miners begin work in
    that place[] for conditions that may adversely affect safety or
    health.” 
    30 C.F.R. § 56.18002
    (a) (emphasis added); see also
    
    id.
     § 57.18002(a) (underground mines). Unlike the 2017
    Standard, then, the 2018 Amendment gives mine operators the
    option to conduct examinations as miners begin work in an
    area.    Id.    The 2018 Amendment also modifies the
    recordkeeping requirement to mandate that a “record shall
    5
    contain the . . . description of each condition found that may
    adversely affect the safety or health of miners and is not
    corrected promptly.” Id. § 56.18002(b) (emphasis added); see
    also id. § 57.18002(b) (underground mines). The new
    language allows a mine operator to omit from its records
    promptly corrected adverse conditions. Id. The 2018
    Amendment went into effect on June 2, 2018.
    Petitioners the United Steel, Paper and Forestry, Rubber,
    Manufacturing, Energy, Allied Industrial and Service Workers
    International Union, AFL-CIO/CLC, and the United Mine
    Workers of America International Union filed a timely petition
    for review of the 2018 Amendment. They claim that the 2018
    Amendment violates both the Mine Act’s no-less-protection
    standard, 
    30 U.S.C. § 811
    (a)(9), and the Administrative
    Procedure Act, 
    5 U.S.C. §§ 701
     et seq.
    II. ANALYSIS
    The Mine Act requires MSHA to “state the basis for its
    conclusion” that a new health or safety standard satisfies the
    no-less-protection standard. Nat’l Min. Ass’n v. MSHA, 
    116 F.3d 520
    , 536 (D.C. Cir. 1997) (per curiam) (no-less-protection
    standard “requires the agency to state the basis for its
    conclusion that the [standard] has been satisfied”). The
    statement is subject to review under the Administrative
    Procedure Act and must manifest that MSHA engaged in
    reasoned decisionmaking. See id.; see also Rosebud Mining
    Co. & Parkwood Res., Inc. v. MSHA, 
    827 F.3d 1090
    , 1101
    (D.C. Cir. 2016) (MSHA action reviewed under
    Administrative Procedure Act). Our review “is, as always,
    ‘highly deferential and presumes the validity of agency
    action.’” Nat’l Min. Ass’n, 
    116 F.3d at 536
     (quoting Dole, 
    870 F.2d at 666
    ).
    6
    A. EXAMINATION REQUIREMENT
    The petitioners first claim that MSHA failed to explain
    adequately how the 2018 Amendment’s examination
    requirement complies with the no-less-protection standard.
    As noted, the 2017 Standard required examinations to occur
    before miners begin work in an area. 
    30 C.F.R. § 56.18002
    (a)
    (2017); see also 
    id.
     § 57.18002(a). By contrast, the 2018
    Amendment “allows miners to enter a working place at the
    same time a competent person examines for adverse
    conditions.” Examinations of Working Places in Metal and
    Nonmetal Mines, 83 Fed. Reg. at 15,058. On its face, this
    change appears to increase miners’ exposure to health and
    safety risks. As the Labor Secretary has observed, a careful
    person does not check the sturdiness of his ladder after
    climbing half the rungs nor does a careful mine operator check
    the safety of an area while allowing miners to work there. See
    Secretary of Labor’s Response Brief at 18–19, Nat’l Mining
    Ass’n et al. v. MSHA, No. 17-11207 (11th Cir. July 19, 2017)
    (invoking ladder analogy for mine safety argument). Even so,
    MSHA claims the no-less-protection standard is satisfied
    because under the 2018 Amendment, as under the 2017
    Standard, adverse conditions will be “identified and miner
    notification provided before miners are potentially exposed to
    the conditions.” 1 Examinations of Working Places in Metal
    and Nonmetal Mines, 83 Fed. Reg. at 15,058.
    1
    MSHA contends on brief to us that the new examination
    requirement creates additional safety benefits by reducing “the risk
    that, between the time of the examination and the time miners begin
    work, conditions will have changed and created new or different
    hazards.” The contention does not appear in the administrative
    record and so we do not consider it. See PG&E Gas Transmission,
    Nw. Corp. v. FERC, 
    315 F.3d 383
    , 388 (D.C. Cir. 2003) (“[T]his
    Court cannot consider . . . post hoc justifications” and “may only
    7
    The problem with this explanation is that the 2018
    Amendment does not allow for notification before exposure.
    Its notification provisions state: “[t]he operator shall promptly
    notify miners in any affected areas of any conditions found that
    may adversely affect safety or health” and “[c]onditions noted
    by the person conducting the examination that may present an
    imminent danger shall be brought to the immediate attention of
    the operator.” 
    30 C.F.R. § 56.18002
    (a)(1)–(2). These
    provisions require notification as soon as an adverse condition
    is discovered. 
    Id.
     Nowhere do they require notification
    before miners are exposed. See 
    id.
     Because the 2018
    Amendment allows miners to work in an area before the
    examination is completed, there is the likelihood that miners
    may be exposed to an adverse condition before it is discovered.
    
    Id.
     § 56.18002(a) (“A competent person . . . shall examine
    each working place at least once each shift before work begins
    or as miners begin work in that place.”). MSHA’s attempt to
    explain how the examination requirement complies with the
    no-less-protection standard relies on a non-existent
    notification-before-exposure duty and is therefore arbitrary and
    capricious. 2 Motor Vehicle Mfrs. Ass’n of U.S., Inc. v. State
    consider the grounds on which the [agency] actually relied in making
    its decision.”).
    2
    It is no answer to say, as MSHA does, that the preamble to the
    2018 Amendment expresses MSHA’s intention that miners receive
    notification before being exposed to adverse conditions.
    Examinations of Working Places in Metal and Nonmetal Mines, 83
    Fed. Reg. at 15,058 (“MSHA intends for adverse conditions to be
    identified and miner notification provided before miners are
    potentially exposed to the conditions.”). Mine operators must
    comply with the notification requirements of the 2018 Amendment,
    not MSHA’s statements “from the preamble, which itself lacks the
    force and effect of law.” See Saint Francis Med. Ctr. v. Azar, 
    894 F.3d 290
    , 297 (D.C. Cir. 2018).
    8
    Farm Mut. Auto. Ins. Co., 
    463 U.S. 29
    , 43 (1983) (action is
    arbitrary and capricious “if the agency has . . . offered an
    explanation . . . so implausible that it could not be ascribed to
    a difference in view or the product of agency expertise”).
    The explanation is arbitrary and capricious for a second
    reason: it cannot be reconciled with factual findings that
    MSHA made in support of the 2017 Standard. An agency is
    generally free to change positions so long as it can “show that
    there are good reasons for the new policy,” not “that the reasons
    for the new policy are better than the reasons for the old one.”
    FCC v. Fox Television Stations, Inc., 
    556 U.S. 502
    , 515 (2009).
    This flexibility has limits. If the “new policy rests upon
    factual findings that contradict those which underlay its prior
    policy,” the agency must offer “a reasoned explanation . . . for
    disregarding facts and circumstances that underlay . . . the prior
    policy.” 
    Id.
     at 515–16. In promulgating the 2017 Standard,
    MSHA found that “[i]f the examination is performed after
    miners begin work, miners may be exposed to conditions that
    may adversely affect their safety and health.” Examinations
    of Working Places in Metal and Nonmetal Mines, 82 Fed. Reg.
    at 7689. For that reason, MSHA explained, the 2017 Standard
    “requires that a competent person conduct an examination
    before work begins so that conditions that may adversely affect
    miners’ safety and health are identified before they begin work
    and are potentially exposed.” Id. at 7683 (emphasis added).
    MSHA took a new contrary-to-fact position in the 2018
    Amendment: miners can begin work before the required
    examination is completed without being exposed to adverse
    conditions. Examinations of Working Places in Metal and
    Nonmetal Mines, 83 Fed. Reg. at 15,058. It gave no
    explanation for the change.
    There is another unexplained departure. From 1979 to
    2017, MSHA’s safety standard allowed operators to conduct an
    9
    examination anytime during a shift. See 
    30 C.F.R. § 56.18
    -
    2(a) (1980); see also 
    id.
     § 57.18-2(a) (underground mines).
    This flexibility, in MSHA’s “experience,” created “a
    significant degree of variability in how safety programs are
    operationalized.” Examinations of Working Places in Metal
    and Nonmetal Mines, 82 Fed. Reg. at 7689. MSHA
    introduced the 2017 Standard, in part, to “reduce the variability
    in how operators conduct examinations of working places and
    thereby improve miners’ safety and health.” Id. The 2018
    Amendment reintroduced that very same variability by
    allowing examinations to occur before or while miners begin
    work.      E.g., 
    30 C.F.R. § 56.18002
    (a).       Despite citing
    increased flexibility as a boon for mine operators, MSHA
    completely ignored its previous finding that increased
    flexibility (read: variability) does not improve miner safety.
    Examinations of Working Places in Metal and Nonmetal
    Mines, 83 Fed. Reg. at 15,058. For these reasons, we agree
    with the petitioners that MSHA has failed to explain adequately
    how the 2018 Amendment’s examination requirement
    complies with the statutory no-less-protection standard.
    B. RECORDKEEPING REQUIREMENT
    The petitioners next argue that MSHA failed to provide a
    reasoned explanation why the recordkeeping requirement of
    the 2018 Amendment satisfies the no-less-protection standard.
    In the preamble to the 2017 Standard, MSHA determined that
    “recording all adverse conditions, even those that are
    corrected immediately, will be useful as a means of identifying
    trends,” which “should help inform mine management
    regarding areas or subjects that may benefit from increased
    safety emphasis.” See Examinations of Working Places in
    Metal and Nonmetal Mines, 82 Fed. Reg. at 7686 (emphasis
    added). MSHA acknowledged this determination in the
    preamble to the 2018 Amendment. Examinations of Working
    10
    Places in Metal and Nonmetal Mines, 83 Fed. Reg. at 15,059.
    It nonetheless concluded that “a recording exception for
    adverse conditions that are corrected promptly,” like the one
    created by the 2018 Amendment, “will yield as much or more
    in safety benefits, because it encourages prompt correction of
    adverse conditions.” Id.
    MSHA’s unsupported explanation does not withstand
    scrutiny.     An agency must “articulate a satisfactory
    explanation for its action including a ‘rational connection
    between the facts found and the choice made.’” State Farm
    Mut. Auto. Ins. Co., 
    463 U.S. at 43
     (quoting Burlington Truck
    Lines v. United States, 
    371 U.S. 156
    , 168 (1962)). MSHA
    recognized that the recordkeeping requirements of both the
    2017 Standard and the 2018 Amendment provide safety
    benefits. Examinations of Working Places in Metal and
    Nonmetal Mines, 83 Fed. Reg. at 15,059. Under the no-less-
    protection standard, then, MSHA’s burden was to explain why
    the benefits of the 2018 Amendment equal or exceed those of
    the 2017 Standard. See 
    30 U.S.C. § 811
    (a)(9). MSHA
    instead declared, without further elaboration, that the 2018
    Amendment “will yield as much or more in safety benefits,
    because it encourages prompt correction of adverse
    conditions.” Examinations of Working Places in Metal and
    Nonmetal Mines, 83 Fed. Reg. at 15,059. This reasoning—the
    2018 Amendment will yield better safety protection by
    incentivizing mine operators to promptly correct adverse
    conditions—is, at best, specious. The 2017 Standard already
    requires mine operators to “promptly initiate appropriate action
    to    correct    [adverse]    conditions.”         
    30 C.F.R. §§ 56.18002
    (a)(1), 57.18002(a)(1). MSHA cannot, without
    explanation, justify the 2018 Amendment on the basis that it
    will encourage mine operators to follow safety measures
    already required by law in the very same regulation.
    Moreover, MSHA has offered no basis for its conclusion that
    11
    those supposed benefits will equal or exceed those yielded by
    the 2017 Standard. Because the record lacks a reasonable
    justification for the recordkeeping requirement’s supposed
    safety benefits and any comparative analysis whatsoever,
    MSHA’s explanation is arbitrary and capricious. See Amerijet
    Int’l, Inc. v. Pistole, 
    753 F.3d 1343
    , 1350 (D.C. Cir. 2014)
    (“conclusory statements will not do” under arbitrary and
    capriciousness standard). 3
    3
    MSHA’s brief makes two additional arguments in support of
    the recordkeeping requirement. It “reduces the risk of inundating
    miners with information” and is “narrow” enough to lack safety
    implications.     But these arguments do not appear in the
    administrative record and thus we do not consider them. SEC v.
    Chenery Corp., 
    318 U.S. 80
    , 87 (1943) (“The grounds upon which
    an administrative order must be judged are those upon which the
    record discloses that its action was based.”).
    Our dissenting colleague believes MSHA’s preamble statement
    about “overwhelm[ing] the record with minor housekeeping issues”
    counts as expressing concern about “inundating miners with
    information.” Dissent at 7–8. We see no basis for concluding that
    MSHA meant something other than what it said, especially
    considering (1) the statement about “overwhelm[ing] the record”
    appears in a paragraph regarding mine operator burdens,
    Examinations of Working Places in Metal and Nonmetal Mines, 83
    Fed. Reg. at 15,059, and (2) mine operators, not miners, maintain the
    examination records, 
    30 C.F.R. § 56.18002
    (d) (“The operator shall
    maintain the examination records for at least one year . . . .”).
    Insofar as commenters raised a concern regarding the safety
    implications of “cluttering the examination record,” Dissent at 8
    (citing J.A. 769, 911), MSHA never adopted that concern as its own,
    despite going out of its way to expressly adopt others. See
    Examinations of Working Places in Metal and Nonmetal Mines, 83
    Fed. Reg. at 15,059.
    12
    The dissent would uphold MSHA’s conclusory
    explanation and repeatedly takes us to task for not affording
    MSHA enough deference. Dissent at 3–8. The dissent
    locates its deference principle in National Mining Association
    v. MSHA, 
    116 F.3d 520
     (D.C. Cir. 1997) (per curiam), a case
    in which we rejected no-less-protection standard challenges to
    an MSHA safety standard, 
    id.
     at 535–49. Importantly,
    however, the petitioners there challenged MSHA’s factual
    determinations that the new standard provided miners with as
    much protection as the old standard. E.g., 
    id. at 542
     (“The
    Union’s remaining challenges under the no-less protection rule
    require only brief comment because they too involve
    challenges to the Secretary’ net effects determinations that the
    new regulation will not diminish the level of safety for miners
    that existed under the prior regulations.” (emphases added)).
    Applying “well-established principles of deference to agency
    action,” 
    id. at 536
    , we rejected the challenges because “we are
    required to defer to the agency on factual determinations
    underlying its decision,” including a net safety effects
    determination, 
    id. at 537
    . A deference standard for “factual
    determinations” has little to do with the arbitrary and
    capriciousness challenge before us.
    In addition, the dissent claims that, because MSHA’s thin
    explanation for its compliance with the no-less-protection
    standard in National Mining Association survived judicial
    review, MSHA’s even thinner explanation here must do so as
    well. Dissent at 4–5. Our colleague overlooks two crucial
    points. First, the National Mining Association petitioners did
    not challenge the adequacy of MSHA’s explanation for its
    compliance with the no-less-protection standard and therefore
    we did not decide whether that explanation would survive
    arbitrary and capriciousness review. See Nat’l Mining Ass’n,
    
    116 F.3d at
    535–49. Any inferences the dissent divines from
    National Mining Association regarding this issue are therefore
    13
    dicta. Second, National Mining Association upheld many
    aspects of the challenged regulation, including those recited by
    the dissent, see Dissent at 4–5, based on the petitioners’ failure
    to provide evidence contradicting MSHA’s findings or
    persuasive reasons for doubting its determinations. See, e.g.,
    Nat’l Mining Ass’n, 
    116 F.3d at 539
     (“The Union does not offer
    any evidence to dispute the Secretary’s position.”); 
    id. at 542
    (“The Union has pointed to no reason to conclude that the
    Secretary’s determination . . . is outweighed . . . .”); 
    id. at 543
    (finding “unpersuasive the Union’s contention that the new
    regulation removes [] incentive[s] . . . .”). Here, by contrast,
    MSHA had to contend with its own previous findings in
    promulgating the 2017 Standard that requiring mine operators
    to record all adverse conditions, including those that are
    immediately corrected, helps “expedite[] the correction of
    these conditions” and “identify[] trends” and “areas or subjects
    that may benefit from increased safety emphasis.”
    Examinations of Working Places in Metal and Nonmetal
    Mines, 82 Fed. Reg. at 7686. Thus, an explanation that might
    have sufficed in National Mining Association with MSHA
    writing on a blank slate is inapplicable here with MSHA’s 2017
    findings already on the books.
    In sum, MSHA failed to offer a reasoned explanation why
    the examination and recordkeeping requirements of the 2018
    Amendment satisfy the no-less-protection standard. The 2018
    Amendment is therefore ultra vires and unenforceable. See 
    5 U.S.C. § 706
    (2)(A). The ordinary practice is to vacate
    unlawful agency action. See 
    id.
     § 706(2) (“The reviewing
    court shall . . . set aside agency action . . . found to be”
    unlawful). In rare cases, however, we do not vacate the action
    but instead remand for the agency to correct its errors. MSHA
    asks us to do so here. The appropriateness of the remand-
    without-vacatur remedy turns on two factors: “(1) the
    seriousness of the deficiencies of the action, that is, how likely
    14
    it is the agency will be able to justify its decision on remand;
    and (2) the disruptive consequences of vacatur.” Heartland
    Reg’l Med. Ctr. v. Sebelius, 
    566 F.3d 193
    , 197 (D.C. Cir. 2009)
    (internal quotation marks, brackets, and ellipses omitted)
    (quoting Fox Television Stations, Inc. v. FCC, 
    280 F.3d 1027
    ,
    1048–49 (D.C. Cir. 2002)). MSHA explains neither how the
    2018 Amendment can be saved nor how vacatur will cause
    disruption. We therefore take the normal course and vacate
    the 2018 Amendment. 4
    The complicated procedural history of this case raises a
    question about what standard governs after vacatur. See supra
    at 4. We agree with the parties that vacatur of the 2018
    Amendment automatically resurrects the 2017 Standard. The
    2018 Amendment modifies the terms of the 2017 Standard and
    so vacatur of the 2018 Amendment simply undoes those
    modifications. Examinations of Working Places in Metal and
    Nonmetal Mines, 83 Fed. Reg. at 15,056 (2018 Amendment
    “makes changes to” Code of Federal Regulations provisions
    “as amended by the Agency’s final rule on examinations of
    working places that was published on January 23, 2017”). To
    avoid any confusion, we order MSHA to reinstate the 2017
    Standard upon issuance of the mandate attendant on this
    opinion.
    For the foregoing reasons, we vacate the 2018 Amendment
    and order the 2017 Standard reinstated.
    So ordered.
    4
    Because we vacate the 2018 Amendment based on MSHA’s
    failure to explain adequately its compliance with the no-less-
    protection standard, we need not—and hence do not—consider the
    petitioners’ remaining APA and Mine Act arguments.
    KATSAS, Circuit Judge, concurring in part and dissenting
    in part:     The Mine Safety and Health Administration
    promulgated a regulation requiring mine operators to
    (1) “examine each working place at least once each shift before
    miners begin work in that place” and (2) prepare a “record”
    describing “each condition found that may adversely affect the
    safety or health of miners.” Examinations of Working Places
    in Metal and Nonmetal Mines, 
    82 Fed. Reg. 7680
    , 7695 (Jan.
    23, 2017) (Mine Examinations I). After further review, MSHA
    amended the regulation in two respects. Examinations of
    Working Places in Metal and Nonmetal Mines, 
    83 Fed. Reg. 15,055
    , 15,057–58 (Apr. 9, 2018) (Mine Examinations II).
    Operators now may conduct the examination “before work
    begins or as miners begin work,” 
    30 C.F.R. § 56.18002
    (a)(1),
    and the recording requirement now applies only to adverse
    conditions that are “not corrected promptly,” 
    id.
     § 56.18002(b).
    I believe that MSHA adequately explained the second change
    but not the first.
    The Federal Mine Safety and Health Act of 1977 contains
    what has been described as a no-less-protection rule: “No
    mandatory health or safety standard promulgated under this
    subchapter shall reduce the protection afforded miners by an
    existing mandatory health or safety standard.” 
    30 U.S.C. § 811
    (a)(9). When amending safety regulations, MSHA must
    “state the basis for its conclusion that the rule has been
    satisfied.” Nat’l Mining Ass’n v. MSHA, 
    116 F.3d 520
    , 536
    (D.C. Cir. 1997) (per curiam).          Our review of this
    determination is “highly deferential and presumes the validity
    of agency action.” 
    Id.
     (quotation marks omitted). So, we do
    not lightly reject MSHA’s evaluation of the “net safety effects
    of a change in a regulation,” 
    id. at 542
    , or the “factual
    determinations underlying its decision,” 
    id. at 537
    .
    I agree with my colleagues that, even under this deferential
    standard of review, MSHA failed to justify the amendment to
    2
    the examination requirement. MSHA asserted that miners
    “will be notified” of adverse conditions “before they are
    potentially exposed,” regardless of whether the examination is
    conducted before or as they begin work. Mine Examinations
    II, 83 Fed. Reg. at 15,058. But the regulation itself requires
    only that operators “promptly notify” miners of adverse
    “conditions found.” 
    30 C.F.R. § 56.18002
    (a)(1). It does not
    guarantee that such conditions will be found before exposure—
    which hardly seems inevitable if the examination is conducted
    as miners begin work rather than before. Because MSHA did
    not explain how miners would be notified of hazards before
    exposure, its decision was arbitrary and capricious.
    In this Court, MSHA advanced more developed and more
    plausible justifications for the amendment. Perhaps it would
    be safe to conduct the examination as work begins, if the
    inspector is always “just ahead” of the miners and warns them
    of hazards “in real time.” Respondents’ Br. at 14. Perhaps this
    would even improve safety, by minimizing “the risk that
    conditions will be so changed” between the examination and
    the beginning of work. 
    Id. at 12
    . But MSHA did not assert
    these justifications during the 2018 rulemaking. True, it noted
    that mines have “dynamic work environments where
    conditions are always changing.” Mine Examinations II, 83
    Fed. Reg. at 15,057. But it did so only to urge a “best practice”
    of conducting examinations “throughout the shift,” not to
    suggest that examinations conducted as work begins are as safe
    or safer than ones conducted before. See id. Of course, we
    cannot uphold the amendment based on rationales that MSHA
    first articulated in litigation, see Motor Vehicle Mfrs. Ass’n v.
    State Farm Mut. Auto. Ins. Co., 
    463 U.S. 29
    , 50 (1983), but the
    agency remains free to consider them on remand.
    Unlike my colleagues, I would uphold the amendment
    limiting the recording requirement to hazards that are not
    3
    promptly corrected. MSHA’s analysis of this amendment
    balanced three competing safety considerations. First, MSHA
    recognized that “recording all adverse conditions, even those
    that are corrected promptly, would be useful in identifying
    trends and areas that could benefit from an increased safety
    emphasis.” Mine Examinations II, 83 Fed. Reg. at 15,059. But
    MSHA then identified two countervailing considerations. It
    reasoned that “a recording exception for adverse conditions
    that are corrected promptly … encourages prompt correction of
    adverse conditions.” Id. And it concluded that “requiring all
    adverse conditions [to] be recorded in the examination record
    would overwhelm the record with minor housekeeping issues.”
    Id. The latter considerations are reasonable. Encouraging
    prompt correction of hazards would seem to have obvious
    safety benefits. Moreover, this Court has noted the risk of
    “information overload,” Bldg. & Constr. Trades Dep’t, AFL-
    CIO v. Brock, 
    838 F.2d 1258
    , 1277 (D.C. Cir. 1988) (quotation
    marks omitted), and other federal agencies have acted to
    prevent it, see, e.g., Truth in Lending, 
    74 Fed. Reg. 5244
    , 5281
    (Jan. 29, 2009); Federal Motor Vehicle Safety Standards;
    Occupant Crash Protection, 
    58 Fed. Reg. 46,551
    , 46,554
    (Sept. 2, 1993).
    My colleagues object that the record lacks “any
    comparative analysis.” Ante at 11. But MSHA did compare
    the competing safety considerations. It concluded that the
    amended recording rule would produce “as much or more in
    safety benefits” by heightening incentives to correct hazards
    promptly, and that decluttering examination records would
    provide further safety benefits. Mine Examinations II, 83 Fed.
    Reg. at 15,059. My colleagues respond that MSHA’s safety
    assessment was too “conclusory.” Ante at 12. National Mining
    indicates otherwise. There, we upheld various amendments to
    mine-safety regulations challenged as inconsistent with the no-
    4
    less-protection rule. In four instances, MSHA’s explanation
    was not materially different from the one at issue here.
    First, we upheld an amendment permitting the use of
    electricity for vehicles to evacuate miners if a ventilation fan
    shuts down. Commenters objected that electricity would be
    dangerous in that circumstance, but MSHA asserted without
    elaboration that the amendment would facilitate evacuations.
    See Safety Standards for Underground Coal Mine Ventilation,
    
    61 Fed. Reg. 9764
    , 9772 (Mar. 11, 1996) (Ventilation
    Standards). We accepted the assertion and thought ourselves
    “required to defer to the agency.” 
    116 F.3d at 537
    . We
    explained: “In this case, the agency has determined that the
    safety benefit gained by rapid evacuation of miners outweighs
    the risk of ignition. We are poorly positioned to second-guess
    the agency on the balancing of these two concerns.” 
    Id.
    Second, we upheld an amendment limiting pre-shift
    inspections to violations of rules presenting an immediate
    hazard to miners. MSHA asserted that narrowing the
    inspections would improve safety, because “look[ing] for
    violations that might become a hazard could distract examiners
    from their primary duties.” Ventilation Standards, 61 Fed.
    Reg. at 9793. We accepted the explanation without plumbing
    the record for more. 
    116 F.3d at 540
    .
    Third, we upheld an amendment permitting less frequent
    inspection of fans that use an automated monitoring system.
    MSHA asserted that the improved technology would “provide
    greater safety” on balance. Safety Standards for Underground
    Coal Mine Ventilation, 
    57 Fed. Reg. 20,868
    , 20,874 (May 15,
    1992). Our response: “Where an evaluation is to be made of
    the net safety effects of a change in a regulation, the court
    properly defers to [MSHA’s] evaluation.” 
    116 F.3d at 542
    .
    5
    Fourth, we upheld an amendment that narrowed another
    inspection recording rule to exclude defects “corrected by the
    end of th[e] shift.” 
    30 C.F.R. § 75.312
    (g)(1). Commenters
    objected that the amendment would reduce safety by
    eliminating information about “recurring problems that may
    lead to bigger problems.” Ventilation Standards, 61 Fed. Reg.
    at 9772. MSHA disagreed and asserted that “no safety purpose
    is served by requiring examiners to record problems” that had
    been promptly corrected. Id. We upheld the amendment, once
    again based on “our deference to [MSHA’s] determination of
    net effects.” 
    116 F.3d at 543
    .
    Given these holdings, we should accept MSHA’s
    explanation in this case. The agency correctly understood the
    governing legal question—whether the amendment reduced
    health or safety protections for miners.           It identified
    considerations reasonably bearing on that question. And it
    compared the competing considerations to make an explicit
    assessment of the “net safety effects of a change in a
    regulation.” 
    116 F.3d at 542
    . As National Mining recognized,
    we are “poorly positioned to second-guess the agency on the
    balancing” of the relevant safety risks and benefits. 
    Id. at 537
    .
    My colleagues object that the petitioners in National
    Mining did not challenge “the adequacy of MSHA’s
    explanation,” but only the “factual determinations that the new
    standard provided miners with as much protection as the old
    standard.” Ante at 12. Our opinion did not suggest that
    distinction. Rather, it was framed as a review of MSHA’s
    explanations: we held that MSHA must “state the basis for its
    conclusion that the [no-less-protection] rule has been
    satisfied;” then, we found “[i]n each case … no grounds to
    conclude that the Secretary failed to engage in reasoned
    decisionmaking.” 
    116 F.3d at 536
    . Moreover, there was no
    reason to distinguish between MSHA’s explanation and its
    6
    factfinding. For each challenged regulation, the agency
    identified safety benefits to the amended rule, acknowledged
    countervailing costs, and concluded that the benefits
    outweighed the costs. Those “factual determinations,” as my
    colleagues describe them, were the agency’s explanation of
    why each proposed amendment was consistent with the no-
    less-protection rule. And as shown above, they were neither
    different in kind from, nor more fully developed than, the
    determination made here by MSHA.
    My colleagues further contend that MSHA failed to
    address “its own previous findings” regarding the 2017
    recording rule. Ante at 13. But MSHA did address its key prior
    finding. In 2017, MSHA concluded that “recording all adverse
    conditions, even those that are corrected immediately, will be
    useful as a means of identifying trends.” Mine Examinations I,
    82 Fed. Reg. at 7686. In assessing the 2018 amendment,
    MSHA recognized that benefit of the 2017 rule, but concluded
    that two competing safety considerations outweighed it. Mine
    Examinations II, 83 Fed. Reg. at 15,059. In that respect, the
    two analyses are consistent. In 2017, MSHA further stated: “a
    record that notes the adverse conditions prior to miners
    working in an area expedites the correction of these conditions
    notwithstanding the regularity in which the adverse conditions
    occur.” Mine Examinations I, 82 Fed. Reg. at 7686. That
    statement addressed a suggestion to exclude from the recording
    requirement uncorrected hazards that were “regularly
    recurring.” See id. In 2018, no further comment on this point
    was necessary, as there was no proposal to revisit the issue. In
    2017, one commenter argued that excluding “immediately
    corrected” hazards from the recording requirement “would
    provide an incentive to immediately correct” them. Id. But
    MSHA did not respond to this point, let alone compare the
    safety benefits of that proposal to those of the rule adopted. See
    id. Nor did MSHA need to make such a comparison—between
    7
    the 2017 rule and its eventual 2018 successor—in order to
    conclude that the 2017 rule was safer than its 1979 predecessor.
    As for the two safety benefits noted by MSHA in 2018, my
    colleagues question whether the 2018 rule will incentivize
    mine operators to correct adverse conditions promptly, because
    other regulations already require them to do so. Ante at 10. But
    there is nothing unreasonable about providing increased
    incentives for compliance, by reducing the recording
    obligations of operators who do comply.
    Finally, my colleagues conclude that “the risk of
    inundating miners with information” does not “appear in the
    administrative record.” Ante at 11 n.3 (quotation marks
    omitted). I read the record differently. As MSHA recounted,
    some commenters warned that “requiring all adverse
    conditions [to] be recorded in the examination record would
    overwhelm the record with minor housekeeping issues.” Mine
    Examinations II, 83 Fed. Reg. at 15,059. MSHA “agree[d]
    with these commenters and conclude[d] that requiring mine
    operators to record only those adverse conditions that are not
    corrected promptly is as protective as the January 2017 rule.”
    Id. Moreover, the commenters’ concern was a safety one.
    They explained that a cluttered record risked “‘alarm fatigue,’
    whereby too many warnings become background noise and no
    one really hears them.” J.A. 911; see also J.A. 769. MSHA
    reasonably credited that concern here—just as, in National
    Mining, it reasonably credited the concern that an examination
    record filled with corrected hazards might “distract [mine
    operators] from the primary focus” of identifying ongoing
    safety risks. 
    116 F.3d at 539
    .
    My colleagues note that MSHA adopted the relevant
    comments “in a paragraph regarding mine operator burdens.”
    Ante at 11 n.3. But the surrounding discussion does not change
    8
    the fact that MSHA agreed with commenters who expressed
    concern that cluttering the examination record would harm
    miner safety. Moreover, MSHA adopted these comments to
    make a clear safety determination: “requiring mine operators
    to record only those adverse conditions that are not corrected
    promptly is as protective as the January 2017 rule.” Mine
    Examinations II, 83 Fed. Reg. at 15,059. Under these
    circumstances, “the agency’s path may reasonably be
    discerned,” so we must “uphold the decision even if it is of less
    than ideal clarity.” Press Commc’ns LLC v. FCC, 
    875 F.3d 1117
    , 1122 (D.C. Cir. 2017) (quotation marks omitted).
    In sum, I believe that MSHA adequately explained why
    the 2018 amendment to the recording regulation is consistent
    with the no-less-protection rule. Because my colleagues
    conclude otherwise, I respectfully dissent from Part II.B of the
    Court’s opinion.