Public Citizen Health Research Group v. Chao ( 2002 )


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  •                                                                                                                            Opinions of the United
    2002 Decisions                                                                                                             States Court of Appeals
    for the Third Circuit
    12-24-2002
    Pub Citizen Health v. Secretary of Labor
    Precedential or Non-Precedential: Precedential
    Docket No. 02-1611
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    Recommended Citation
    "Pub Citizen Health v. Secretary of Labor" (2002). 2002 Decisions. Paper 805.
    http://digitalcommons.law.villanova.edu/thirdcircuit_2002/805
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    PRECEDENTIAL
    Filed December 24, 2002
    UNITED STATES COURT OF APPEALS
    FOR THE THIRD CIRCUIT
    No. 02-1611
    PUBLIC CITIZEN HEALTH RESEARCH GROUP; THE
    PAPER, ALLIED-INDUSTRIAL, CHEMICAL & ENERGY
    WORKERS INTERNATIONAL UNION,
    v.
    ELAINE CHAO, SECRETARY OF LABOR;
    OCCUPATIONAL SAFETY AND HEALTH
    ADMINISTRATION,
    *Color Pigments Manufacturers Association Inc.,
    Intervenor
    **Chrome Coalition,
    Intervenor
    *(Pursuant to Court’s Order dated 4/2/02)
    **(Pursuant to Court’s Order dated 4/3/02)
    On Direct Petition Pursuant to the Administrative
    Procedure Act,
    5 U.S.C. S 706
    Argued: November 5, 2002
    Before: BECKER, Chief Judge, McKEE and
    HILL,* Circuit Judges.
    (Filed December 24, 2002)
    _________________________________________________________________
    * The Honorable James C. Hill, United States Circuit Judge for the
    Eleventh Circuit Court of Appeals, sitting by designation.
    SCOTT L. NELSON (ARGUED)
    DAVID C. VLADECK
    Public Citizen Litigation Group
    1600 20th Street, NW
    Washington, D.C. 20009
    Counsel for Appellant
    Public Citizen Litigation Group
    EUGENE SCALIA
    Solicitor of Labor
    JOSEPH M. WOODWARD
    Associate Solicitor for Occupational
    Safety and Health
    BRUCE JUSTH (ARGUED)
    Counsel for Appellate Litigation
    JOHN SHORTALL
    U.S. Department of Labor
    Room S4004, 2000 Constitution
    Avenue, NW
    Washington, D.C. 20210-0001
    Counsel for Appellee
    Occupational Safety and Health
    Administration
    ANDRE SHRAMENKO (ARGUED)
    GLENN C. MERRITT
    Fitzpatrick & Waterman
    333 Meadowlands Parkway
    Secaucus, New Jersey 07096
    Counsel for Intervenor
    Color Pigments Manufacturers Assoc.,
    Inc.
    2
    JOHN L. WITTENBORN
    MICHAEL O. HILL (ARGUED)
    CHRISTINA B. PARASCANDOLA
    Collier Shannon Scott, PLCC
    3050 K Street, NW, Suite 400
    Washington, D.C. 20007
    Counsel for Intervenor
    Chrome Coalition
    OPINION OF THE COURT
    BECKER, Chief Judge.
    This opinion addresses a Petition by Public Citizen Health
    Research Group ("Public Citizen") to review the inaction of
    the United States Department of Labor, specifically the
    Occupational Safety and Health Administration ("OSHA"),
    and to require OSHA to commence a rulemaking that would
    lower the permissible exposure limit for hexavalent
    chromium. It is not disputed that hexavalent chromium,
    which is widely used in various industries and which has
    been classified as a carcinogen, can have a deleterious
    effect on worker health. The National Institute for
    Occupational Safety and Health ("NIOSH") has for several
    decades recommended that OSHA adopt a far more
    stringent permissible exposure limit ("PEL") for hexavalent
    chromium than the consensus standard it promulgated in
    1971. In response to a 1993 petition for rulemaking, OSHA
    agreed that there was clear evidence that exposure to
    hexavalent chromium at the consensus level can result in
    excess risk of lung cancer and other chromium-related
    illnesses, and announced that it was initiating a
    rulemaking that it expected would conclude in 1995.
    However, nearly a decade after this announcement, nothing
    has happened, evincing a clear pattern of delay.
    This matter was before us once before, in Oil, Chemical &
    Atomic Workers Union v. OSHA, 
    145 F.3d 120
    (3d Cir.
    1998). In that case, we declined Public Citizen’s request to
    compel agency action, for we concluded that the facts did
    not yet "demonstrate [that OSHA’s] inaction is . . . unduly
    3
    transgressive of the agency’s own tentative 
    deadlines." 145 F.3d at 124
    . At that time, OSHA represented that it
    intended to issue a proposed rule by September 1999, and
    we found such a deadline permissible in light of alleged
    competing policy priorities, including the Clinton
    Administration’s ergonomics initiative. Yet, at the time of
    oral argument in this case, which was nine years after
    OSHA initially announced its intention to begin the
    rulemaking process, no rulemaking had yet been initiated,
    and it appeared that none would be in the foreseeable
    future. Indeed, at oral argument, OSHA’s counsel admitted
    the possibility that OSHA might not promulgate a rule for
    another ten or twenty years, if at all.
    We concluded that the delay had become unreasonable,
    and that while competing policy priorities might explain
    slow progress, they could not justify indefinite delay and
    recalcitrance in the face of an admittedly grave risk to
    public health. We therefore determined to grant the petition
    and to direct OSHA to proceed expeditiously with its
    hexavalent chromium rulemaking process. This opinion
    was drafted on an expedited basis and was circulating to
    the panel when we received OSHA’s announcement that it
    had instituted the long-sought rulemaking process, stating
    that: "The health risks associated with occupational
    exposure to hexavalent chromium are serious and demand
    serious attention. . . . We are committed to developing a
    rule that ensures proper protection to safeguard workers
    who deal with hexavalent chromium." OSHA News Release
    of Dec. 4, 2002, available at http://www.osha.gov.
    This notice appears to have been prompted by the
    displeasure clearly evidenced by the panel during oral
    argument, especially the question posed to counsel whether
    they would be receptive to mediation regarding the
    timeframe for a judicially-ordered rulemaking.
    Notwithstanding OSHA’s long delay, we salute the agency
    upon its recent action and accompanying recitation, and
    trust that it will have a good result. That said, it does not
    moot this proceeding because the agency’s action does not
    resolve an important facet of the case, namely Public
    Citizen’s request that we order OSHA to issue a proposed
    rule within 90 days and supervise OSHA’s progress.
    4
    Accordingly, we will publish the opinion that had been
    prepared to resolve the remedy issue, and will direct that
    Public Citizen and OSHA submit to a course of mediation
    for sixty days before The Honorable Walter K. Stapleton. If
    the parties cannot agree to a workable timetable during
    that period, the panel will issue and enforce a schedule of
    its own device. We note in this regard that the recitation of
    this case’s history and our ratio decidendi, which provided
    the impetus for OSHA’s commendable action, will inform
    the proceedings to follow.
    I. Facts and Procedural Posture
    Hexavalent chromium is a compound found only rarely in
    nature but used widely in industry -- for chrome plating,
    stainless steel welding, alloy production, and wood
    preservation. The dangers of exposure to it have long been
    recognized, and include ulceration of the stomach and skin,
    necrosis, perforation of the nasal septum, asthma, and
    dermatitis. More significantly, there is strong evidence that
    inhaled hexavalent chromium is carcinogenic. Since 1980,
    the Department of Health and Human Service’s National
    Toxicology Program has designated various hexavalent
    chromium compounds as human carcinogens. The
    Environmental Protection Agency has been in accord since
    1984, and it confirmed its carcinogenic classification of the
    compound in a review of the toxicological data in 1998.
    EPA, Toxicological Review of Hexavalent Chromium (1998),
    available at http://www.epa.gov/IRIS/toxreview/0144-tr-
    pdf. Disturbingly, the primary evidence of hexavalent
    chromium’s carcinogenicity comes not from animal studies,
    but from epidemiological studies of workers exposed to it;
    in short, as Public Citizen states, "the principal evidence is
    actual human body counts." [Pet. Br. at 5.]
    Soon after the Occupational Safety and Health Act took
    effect in 1970, OSHA established a 100 æg/m3 permissible
    exposure limit ("PEL") for inhalation exposure to hexavalent
    chromium.1 That level did not reflect OSHA’s independent
    _________________________________________________________________
    1. Two things are noteworthy about this limit. First, it represents an
    absolute ceiling, not a time-weighted average. That is, at no time can a
    5
    judgment about the appropriate standard, but rather
    constituted a "lowest common denominator" consensus
    standard to provide workers some measure of protection
    pending OSHA’s consideration of the optimal long-term
    standard. S. Rep. No. 1282, 91st Cong., 2d Sess. 6 (1970),
    reprinted in 1970 U.S.C.C.A.N. 5177, 5182-83. The 1971
    standard remains in effect. However, although today’s
    foremost health concern regarding hexavalent chromium is
    its carcinogenicity, OSHA did not take that into account
    when promulgating the standard; rather, it was based on a
    1943 recommendation by the American National Standards
    Institute, which in turn was based on reports generated in
    the 1920s, none of which considered chromium’s
    carcinogenic effects.
    Shortly after OSHA promulgated the consensus standard,
    NIOSH, the agency responsible for conducting research and
    making recommendations to OSHA for the prevention of
    occupational disease and injury, urged OSHA to adopt a
    PEL of 1.9 æg/m3, a level 1/52 of the existing standard. At
    that time, NIOSH concluded that the evidence of the
    carcinogenicity of a few specified hexavalent chromium
    compounds was lacking, but that all other forms were
    carcinogenic. (Lurie Dec. P 7.) Subsequently, however,
    NIOSH concluded that all forms of hexavalent chromium
    should be considered carcinogenic, and it recommended
    that the 1.9 æg/m3 standard be applied to all such
    compounds. (Id.)
    _________________________________________________________________
    particular environment’s level permissibly rise above 100 æg/m3, even if
    its time-weighted average is far lower. The construction industry alone is
    permitted to use time-weighted averaging. See 29 C.F.R. S 1926.55.
    Second, the 100 æg/m3 limit is reported as "CrO3." However, as only
    52% of the mass of a CrO3 molecule is chromium, the actual permitted
    amount of hexavalent chromium is approximately 52æg/m3, reported as
    Cr(VI), the pure form. The existing permissible exposure limit is thus 100
    æg/m3, reported as CrO3, or 52 æg/m3, reported as Cr(VI). Because both
    Public Citizen’s proposed PEL and the existing PEL are reported as
    CrO3, we will refer to that measurement throughout this opinion unless
    otherwise stated. We also note that Cr(VI), CrVI, and CrO3 all refer to
    hexavalent chromium; because we faithfully reproduce quotations that
    use different notations, there is a lack of uniformity in our opinion.
    6
    In 1993, Public Citizen petitioned OSHA to issue an
    emergency temporary standard that would set a PEL of 0.5
    æg/m3 as an 8-hour weighted average. The Occupational
    Safety and Health Act requires OSHA to issue an
    emergency temporary standard without the usual notice-
    and-comment procedures if it finds that such action is
    needed to protect employees against grave danger. 29
    U.S.C. S 655(c). OSHA denied the petition because it
    contended that "the extremely stringent judicial and
    statutory criteria for issuing" an emergency standard were
    not met. (Dear Letter at 2.) It did, however, acknowledge
    that its existing standard was inadequate: "OSHA agrees
    that there is clear evidence that exposure to CrVI at the
    current PEL of 100 æg/m3 can result in an excess risk of
    lung cancer and other CrVI-related illnesses." (Id.) It
    therefore announced that
    OSHA . . . is beginning a Section 6(b) rulemaking for
    occupational exposure to CrVI. We are preparing the
    necessary health and economic impact assessments to
    support this regulatory action. We anticipate that
    Notice of Proposed Rulemaking will be published in the
    Federal Register not later than March 1995.
    (Id.)
    This timetable was short-lived. Only a month after its
    response to Public Citizen’s rulemaking petition, OSHA
    reported that the date for issuance of a proposed standard
    had slipped from March to May 1995, and by May 1995 the
    anticipated issuance date had been pushed back again to
    December 1995. Thus began a pattern of delay -- the
    November 1995 agenda reset the date to July 1996; the
    May 1996 agenda moved it to June 1997; and the
    November 1996 agenda moved it again, to September 1997.
    Amidst this ongoing delay, OSHA commissioned a
    comprehensive risk assessment of hexavalent chromium.
    This assessment, which became known as the "Crump
    Report," concluded that exposure at the current PEL (100
    æg/m3) over a 45-year working lifetime could be expected to
    result in between 88 and 342 excess cancer deaths per
    thousand workers. Moreover, the Crump Report concluded
    that significant numbers of excess cancer deaths could be
    7
    expected even at much lower levels of exposure. For
    example, exposure at 2 æg/m3 could be expected to result
    in between 1.8 and 8.9 excess cancer deaths per thousand
    workers, while exposure at 1 æg/m3 would yield 0.9 to 4.4
    excess cancer deaths per thousand workers.2
    OSHA’s November 1996 semiannual regulatory agenda
    endorsed the Crump analysis, and OSHA explicitly
    acknowledged that "[t]here appears to be no dispute that
    the current PEL is too high" and "must be greatly reduced."
    (Lure Dec. P12.) Accordingly, OSHA stated that it was
    considering a new standard 10 to 100 times lower than the
    existing one: "OSHA is preliminarily considering a new
    TWA [Time-Weighted Average] PEL in the range of 0.5 - 5.0
    æg/m3, measured and reported as chromium (VI)." (Id.)
    Even at that level, it noted, there would be significant risk
    of excess cancer deaths. (Id.)
    Addressing these events in its present brief, OSHA
    contends that it was then concerned with methodological
    imperfections in the available data. For example, the
    Crump Report did not control for the effects of smoking or
    asbestos, factors obviously related to lung cancer incidence;
    if the studied populations of chromium-exposed workers
    smoked more than the general population, smoking could
    have accounted for some of the excess deaths. Industry
    groups therefore pressured OSHA to wait for the results of
    the then-forthcoming Johns Hopkins study, which, in the
    industry’s view, was "expected to be the most accurate and
    complete database on chromium exposure and mortality
    available." (Id. at P 14-15.) OSHA also represents that
    budget cuts, government shutdowns, and new
    responsibilities under the Small Business Regulatory
    Enforcement Fairness Act of 1996 limited the resources
    available for hexavalent chromium rulemaking. In August
    1997, OSHA explained to Public Citizen that work on the
    rule was continuing, but that these considerations had
    delayed progress and prevented it from expediting the
    rulemaking. (Letter of Greg Watchman to Dr. Sidney M.
    Wolfe.)
    _________________________________________________________________
    2. The Crump Report cited measurements of exposure as Cr(VI) instead
    of as CrO3. The numbers here reflect conversion to CrO3 measurements.
    8
    Public Citizen, discouraged by what it viewed as a pattern
    of inaction, urged OSHA in March 1997 to commit to a
    timetable for rulemaking. (Lurie Dec. P17.) Instead, in its
    April 1997 agenda, OSHA announced that the expected
    issuance of a proposed standard had been delayed a full
    year, to September 1998, (id. at P10), and in a letter to
    Public Citizen declined to commit to a more concrete
    timetable. (Watchman Letter at 2.)
    In late 1997, Public Citizen filed a petition in this Court
    for review of OSHA’s allegedly unreasonable delay. See Oil
    
    Workers, 145 F.3d at 120
    . It contended that expedited
    action on a new rule was needed because, as OSHA itself
    had stated in 1996, "the sooner PELs are reduced, the
    sooner the risk of death from lung cancer . . . will be
    reduced." (Lurie Dec. P12, citing 1996 OSHA agenda.)
    However, OSHA disputed this urgency by referencing the
    Crump Report’s failure to control for smoking and asbestos
    exposure, and Intervenors Chrome Coalition and Color
    Pigment Manufacturer’s Association, who have also
    intervened in the current case, argued that the existing risk
    assessments failed to distinguish among the various
    compounds of hexavalent chromium.
    We declined Public Citizen’s request to compel agency
    action, for we concluded that the facts did not yet
    "demonstrate that inaction is . . . unduly transgressive of
    the agency’s own tentative deadlines." Oil 
    Workers, 145 F.3d at 124
    . Key to our decision was our observation that
    the Secretary of Labor has "quintessential discretion . . . to
    allocate OSHA’s resources and set its priorities," 
    id. at 123,
    and while we recognized that "delays that might be
    altogether reasonable in the sphere of economic regulation
    are less tolerable when human lives are at stake," we
    determined that OSHA and the Intervenors "raise[d] serious
    questions about the validity of the data and assumptions
    underlying [Public Citizen’s] calculations." 
    Id. (citations omitted).
    Given these scientific questions, OSHA’s superior
    technical expertise, and its professed plan to issue a
    deadline for proposed rulemaking in September 1999, we
    concluded that OSHA’s delay was not yet unreasonable. 
    Id. Following our
    ruling, OSHA adhered to its September
    1999 pledge in each of its regulatory agendas published
    9
    through April 1999. But it in fact issued no proposed rule
    in September 1999, and in its November 1999 agenda it
    announced that its new target date was June 2001. (Lurie
    Dec. P10.) OSHA explains that this was not a period of
    inactivity; rather, it completed a number of rulemaking
    projects, most of which had been pending when Public
    Citizen filed its first petition in 1993. For example, in 1997,
    OSHA promulgated a final standard regulating occupational
    exposure to methylene chloride, a widely-used chemical it
    found to be carcinogenic. See 62 Fed. Reg. 1494 (Jan. 10,
    1997). Likewise, in 1998, it issued a final rule on
    respirators, and another requiring adequate training for
    operators of powered industrial trucks. 63 Fed. Reg. 66238
    (Dec. 1, 1998). OSHA further explains that in 1999 and
    2000, it "focused most of its rulemaking resources on
    issuing an ergonomics standard before the end of the
    [Clinton] Administration’s term. A proposed rule was issued
    on November 23, 1999, and a final rule was issued less
    than a year later, a timetable that required tremendous
    agency resources." [OSHA Br. at 10 (citations omitted).]
    Meanwhile, August 2000 saw the release of the long-
    awaited Johns Hopkins study on hexavalent chromium. 3 In
    comparison to previous studies, it
    had a larger cohort, more lung cancer deaths, and had
    smoking information for most of the cohort. Many of
    the exposure estimates of the current study are from
    direct measurements; a portion were from models
    using contemporary data. More important, however,
    the ambient measures or estimates of exposure were
    concurrent with the work history and are of hexavalent
    chromium directly, not derived from other measures.
    Furthermore, the cumulative exposure groups in the
    current study represent lower exposures than those
    . . . [in a prior] study, providing better risk estimates at
    these lower levels of exposure, an important
    consideration for quantitative risk assessment.
    _________________________________________________________________
    3. Public Citizen alleges that many of the Hopkins study’s results, if not
    its actual data, had been available to OSHA since 1995. [Public Citizen
    Br. at 23.]
    10
    Herman J. Gibb et al., Lung Cancer Among Workers in
    Chromium Chemical Production, 38 Am. J. Industrial
    Medicine 115, 124 (2000). The Hopkins Study "confirm[ed]
    the elevated lung cancer risk from hexavalent chromium
    exposure observed in other studies." 
    Id. Specifically, it
    found that chromium-exposed workers were 2.24 times as
    likely to die from lung cancer as a nonexposed population,
    
    id. at 125,
    and that even exposure at a level of 1 æg/m3,
    reported as Cr(VI), led to an observed-to-expected cancer
    mortality rate of 1.57. 
    Id. Although the
    Hopkins Study explicitly sought to address
    the shortcomings in previous empirical research, namely
    the lack of controls for smoking, asbestos, and other
    environmental factors, its release did not spur OSHA into
    action. The study was released in August 2000, but OSHA’s
    November 2000 agenda pushed the date for a proposed rule
    back to September 2001. (Lurie Dec. P10.) OSHA’s second-
    most-recent agenda, issued December 3, 2001, reflected
    another, more radical departure from previous plans: for
    the first time since 1994, the hexavalent chromium
    rulemaking was denominated a "long-term action," and the
    timetable for action stated that the date for a proposed rule
    was "to be determined." (Lurie Dec. P10.)
    OSHA offers a number of explanations for the delay that
    has now become indefinite. It notes that "[t]he day the
    [Bush] Administration took office, it instructed the agencies
    that any new regulatory actions must be reviewed and
    approved by a department or agency head appointed after
    January 20, 2001." [OSHA Br. at 13-14, citing Andrew H.
    Card, Jr., Memorandum for the Heads and Acting Heads of
    Executive Departments and Agencies (Jan. 20, 2001).] As it
    was not headed by a presidential appointee until August 3,
    2001, OSHA contends that it could not begin to set its new
    regulatory priorities until that time. Even then, it asserts,
    two extraordinary unforeseen events -- the attacks on the
    World Trade Center and Pentagon and the anthrax mailings
    -- required it immediately to divert significant resources to
    safety efforts. See Testimony of John L. Henshaw, Assistant
    Secretary of Labor for Occupational Safety and Health,
    before the House Subcommittee on Labor, Health, and
    Human Services, 
    2002 WL 2010818
    (Feb. 14, 2002).
    11
    Even amidst these distractions, OSHA represents, it has
    continued to evaluate the need for a new hexavalent
    chromium rule. It claims that from 1998 through the
    present, it has "engaged outside organizations to work on
    pertinent aspects of the health-risk and feasibility issues
    that would arise in an OSHA rulemaking." [OSHA Br. at
    11]. For example, ToxiChemica International has worked on
    evaluating an update of an epidemiological study of workers
    exposed to hexavalent chromium, and NIOSH has
    investigated the mechanistic relationship between
    hexavalent chromium and cellular events related to lung
    carcinogenesis. OSHA has also conducted more than
    twenty visits to worksites where hexavalent chromium is
    present to determine patterns of employee exposure,
    specific routes of exposure, and types and costs of
    engineering controls and personal protective equipment
    used in particular industries.
    In OSHA’s submission, the problem is that it "believes
    that the information now available is inconclusive on
    important issues, such as whether the epidemiological
    studies . . . apply to all Cr VI compounds and the utility of
    the data to establish a dose-response relationship." [Id. 16.]
    Although the Hopkins Study was a step forward, OSHA
    points out that its authors acknowledged certain
    limitations, particularly in estimating the cumulative
    exposure for the different individuals in the cohort. [Id. at
    26.] The study also did not resolve the dispute over whether
    all hexavalent chromium compounds present the same
    degree of risk. [Id. at 27.] Because OSHA has decided that
    it would benefit from public input and expert criticism on
    these issues, it has published a request for information
    (RFI) in its August 2002 regulatory agenda. After the time
    for response, OSHA states, it will evaluate all of the
    information available and decide how to proceed. See 67
    Fed. Reg. 33308, 33342-43 (May 13, 2002).
    Public Citizen brought the present petition for review
    alleging that "[d]eference to an agency’s priorities and
    timetables only goes so far," and arguing that,"at some
    point, a court must tell an agency that enough is enough."
    [Public Citizen Br. at 2.] The Administrative Procedure Act,
    5 U.S.C. S 706(1), creates a right of action by an aggrieved
    12
    party to compel unreasonably delayed agency action. When
    the action sought is the promulgation of an occupational
    exposure standard under 29 U.S.C. S 655, the federal
    courts of appeals have exclusive jurisdiction under 29
    U.S.C. S 655(f), which we have interpreted to provide
    "jurisdiction to conduct judicial review over the health and
    safety standards issued by the Secretary of Labor, as well
    as over claims in which the Secretary has not yet acted but
    where her delay is allegedly unreasonable." Oil 
    Workers, 145 F.3d at 122
    .
    II. Discussion
    In denying Public Citizen’s earlier petition to compel a
    hexavalent chromium rulemaking, we acknowledged"the
    quintessential discretion of the Secretary of Labor to
    allocate OSHA’s resources and set its priorities." Oil
    
    Workers, 145 F.3d at 123
    . At the same time, however, we
    recognized that the Secretary’s discretion is not
    unbounded, and noted our obligation under the APA to
    "compel agency action unlawfully withheld or unreasonably
    delayed." 
    Id. (quoting 5
    U.S.C. S 706(1)). Our polestar is
    reasonableness, and while in 1997 we found reasonable
    OSHA’s delay in the face of scientific uncertainty and
    competing regulatory priorities, we now find ourselves
    further from a new rule than we were then. We examine
    each of OSHA’s justifications in turn.4
    _________________________________________________________________
    4. Intervenors Chrome Coalition and Color Pigment Manufacturer’s
    Association, Inc. ("CPMA") filed amicus briefs arguing, inter alia: that our
    prior decision in Oil Worker is res judicata upon this case since the facts
    are similar; that the Occupational Safety and Health Act imposes on
    OSHA no duty to act; that Public Citizen’s risk assessments and
    scientific conclusions should be stricken due to methodological defects;
    that Public Citizen lacks standing; that Public Citizen’s analysis fails to
    distinguish among various forms of hexavalent chromium; and that we
    lack subject matter jurisdiction because Public Citizen has not pled that
    its principal place of business is within our jurisdiction. We have
    considered each of their concerns and find them to be without merit. We
    note specifically that, under the Supreme Court’s decision in Panhandle
    Eastern Pipe Line Co. v. Federal Power Comm’n, 
    324 U.S. 635
    , 638-39
    (1945), courts have read circuit-selection clauses in statutes providing
    for review of agency action in the courts of appeals as venue provisions,
    not jurisdiction provisions. Also, while CPMA may be correct that a
    regulatory distinction ought to be drawn between chrome pigments and
    other types of hexavalent chromium compounds, CPMA may raise this
    concern as part of the rulemaking process.
    13
    A. Has OSHA’s Delay Been Excessive?
    In 1993, OSHA acknowledged that the existing
    hexavalent chromium standard is inadequate and "that
    there is clear evidence that exposure to Cr VI at the current
    PEL of 100 æg/m3 can result in an excess risk of lung
    cancer and other CrVI-related illnesses." (Dear Letter at 2.)
    That was fully nine years ago, and its first target date for
    a proposed rule -- March 1995 -- is now more than seven
    years past. OSHA has missed all ten of its self-imposed
    deadlines, including the September 1999 target it offered to
    this Court in Oil Workers. Far from drawing closer to a
    rulemaking, all evidence suggests that ground is being lost.
    OSHA’s December 2001 regulatory agenda demoted the
    rulemaking from a "high priority" to a "long term action"
    with a timetable "to be determined." In fact, at oral
    argument, OSHA’s counsel admitted the possibility that
    another ten or even twenty years might pass before it
    issues a rule, if it ever does.
    OSHA responds that Public Citizen’s concerns about the
    missed deadlines and recent reclassification are
    misconceived. It explains that under the Regulatory
    Flexibility Act, 5 U.S.C. S 602, agencies must publish
    regulatory agendas that include all rules the agency intends
    to propose or promulgate that are "likely to have a
    significant economic impact on a substantial number of
    small entities." A rule’s inclusion in an agency’s agenda
    does not, however, require the agency to consider or act on
    that item. See 5 U.S.C. S 602(d). The Secretary of Labor has
    recently stated her belief that "it is inappropriate to
    routinely set target dates that the agency cannot meet and
    intends to list only realistic target dates in future regulatory
    agendas," Daily Labor Report (BNA, Apr. 22, 2002), but
    OSHA represents that this is an act of grace, not necessity:
    "[B]ecause an item’s listing in the regulatory agenda does
    not mean that the agency must consider or act on that
    item, the listing of unrealistic or unachieved target dates
    cannot be a basis for compelling the agency to act." [OSHA
    Br. at 33.]
    Regarding hexavalent chromium’s recent downgrade to a
    "long-term project," OSHA clarifies that this is a reflection
    of whether the rulemaking will be completed in a short
    14
    period of time and represents that the designation carries
    no implication about a rulemaking’s relative importance to
    other matters OSHA is considering. [OSHA Br. at 31.] The
    items listed as "high priority" in the December 2001
    agenda, it says, were simply those on which OSHA intended
    to take action in fiscal 2002. See 66 Fed. Reg. 61221 (Dec.
    3, 2001). It therefore contends that the priority downgrade
    was more a clarification than a change in the agency’s
    priorities.
    We find neither of these explanations satisfactory. We
    agree with OSHA insofar as its failure strictly to follow its
    published agenda is not actionable, but this defense misses
    the point: OSHA’s persistent failure to meet deadlines is not
    the disease itself, but rather a symptom of its dilatory
    approach to the hexavalent chromium rulemaking process.
    Similarly, even if OSHA’s decision to downgrade the
    project’s priority truly represents a clarification rather than
    a change, it still gives clear evidence that at least another
    year will pass before OSHA takes even the first formal step
    toward promulgating a rule. Incidentally, we are skeptical
    of OSHA’s reassurance that the reclassification has no
    substantive implications, for five years ago it represented to
    this Court that it intended to issue a proposed rule in
    September 1999. Not only did it fail to issue a rule in 1999,
    it concedes even now that it is far from doing so.
    Section 6(b) of the Occupational Safety and Health Act
    requires the Secretary of Labor to "set the standard which
    most adequately assures, to the extent feasible, on the
    basis of the best available evidence, that no employee will
    suffer material impairment of health or functional capacity
    even if such employee has regular exposure to the hazard
    dealt with by such standard for the period of his working
    life." 29 U.S.C. S 655(b). The Supreme Court has found that
    this language compels action: "[B]oth the language and
    structure of the Act, as well as its legislative history,
    indicate that it was intended to require the elimination, as
    far as feasible, of significant risks of harm." Industrial Union
    Department, AFL-CIO v. American Petroleum Institute , 
    448 U.S. 607
    , 641 (1980). As such, the agency’s priorities are
    judicially reviewable, and this Court and others have
    compelled OSHA to take action to address significant risks.
    15
    See, e.g., United Steelworkers of America v. Pendergrass,
    
    819 F.2d 1263
    (3d Cir. 1987); In re International Chemical
    Workers Union, 
    958 F.2d 1144
    (D.C. Cir. 1992); Public
    Citizen Helath Research Group v. Brock, 
    823 F.2d 626
    (D.C.
    Cir. 1987). Indeed, OSHA itself does not seriously contest
    the existence of a private cause of action compelling it to
    proceed with a rulemaking.
    We find extreme OSHA’s nine-year (and counting) delay
    since announcing its intention to begin the rulemaking
    process, even relative to delays other courts have
    condemned in comparable cases. Indeed, in no reported
    case has a court reviewed a delay this long without
    compelling action. In Chemical Workers 
    Union, 958 F.2d at 1144
    , for example, petitioners had first requested that
    OSHA promulgate a rule for cadmium in 1986. Similar to
    this case, the court had denied an initial petition to compel
    OSHA to act, based in part on OSHA’s prediction that it
    would issue a proposed rule later that year. When it failed
    to issue a proposed rule until 1990 and estimated that a
    final rule would not be forthcoming until 1992, the court
    said:
    [E]ven if finally completed by August 31, 1992, the
    cadmium rulemaking will have taken over six years.
    This is an extraordinarily long time, in light of the
    admittedly serious health risks associated with the
    current permissible levels of cadmium exposure under
    the twenty-year-old standards still in place. . . . Under
    the circumstances, we do not see how any further
    delay . . . -- resulting in continued exposure of workers
    to dangerous levels of cadmium -- could be excusable.
    
    Id. at 1150
    (citations omitted). It therefore granted
    petitioner’s motion to impose a deadline for completion of
    the cadmium rulemaking. 
    Id. The length
    of the delay here
    is already two-and-a-half years longer than the delay the
    D.C. Circuit found unacceptable, and no proposed rule is in
    sight.
    Similarly, in Public Citizen Health Research Group v.
    Auchter, 
    702 F.2d 1150
    (D.C. Cir. 1983), OSHA had been
    petitioned in 1981 for a new exposure standard for ethylene
    oxide ("EtO"), a carcinogenic substance to which an
    16
    estimated 75,000 hospital workers were exposed. As in the
    case at bar, the agency refused to issue an emergency
    temporary standard, but acknowledged the current
    standard’s insufficiency and began the rulemaking process.
    It issued an "advance notice of proposed rulemaking" in
    1982, but it had not issued the proposed rule as of 1983,
    and it estimated that a final rule would not be issued until
    the fall of 1984. The court found the anticipated three-year
    delay unacceptable, stating that:
    Three years from announced intent to regulate to final
    rule is simply too long given the significant risk of
    grave danger EtO poses to the lives of current workers
    and the lives and well-being of their offspring. Delays
    that might be altogether reasonable in the sphere of
    economic regulation are less tolerable when human
    lives are at stake. . . . This is particularly true when
    the very purpose of the governing Act is to protect
    those lives.
    
    Id. at 1154.
    See also 
    Brock, 823 F.2d at 628
    , 629 ("With
    lives hanging in the balance, six years is a very long time,"
    and "any delay whatever beyond the proposed schedule is
    unreasonable."); Oil, Chemical & Atomic Workers
    International Union v. Zegeer, 
    768 F.2d 1480
    , 1487 (D.C.
    Cir. 1985) (addressing a delay of over five years in issuing
    a proposed rule for exposure to radioactive gases, and
    stating that a "reasonable time may encompass months,
    occasionally a year or two, but not several years or a
    decade").
    OSHA contends that among these cases, only in Auchter
    did a court compel the agency to issue a proposed rule; the
    others dealt with situations where the agency had issued a
    proposed rule but was allegedly dilatory in issuing a final
    regulation. It further notes that the D.C. Circuit later
    characterized Auchter as "one of the exceptionally rare
    cases where this court has actually issued an order
    compelling an agency to press forward with a specific
    project." In re Barr Laboratories, Inc. 
    930 F.2d 72
    , 76 (D.C.
    Cir. 1991). OSHA also points out that in Auchter , the court
    had been "persuaded, largely by agency concessions, that
    the project backed by plaintiff was plainly more‘urgent’
    17
    than any that the project’s acceleration might retard," 
    id., and it
    emphasizes that no similar concession exists here.
    While we acknowledge that Auchter, Chemical Workers
    Union, and the other cases are in some ways
    distinguishable from this one, we nonetheless regard them
    as valuable precedent. For example, in Auchter , even
    though OSHA admitted that the plaintiff ’s project was the
    most urgent on its agenda, the case at bar is not ultimately
    distinguishable because the extremity of delay more than
    overcomes the fact that hexavalent chromium does not
    dominate OSHA’s list of priorities. We also note that
    although the D.C. Circuit termed cases in which courts
    order agencies to press forward with a specific project
    "exceptionally rare," the initial decision to make hexavalent
    chromium a "high priority" came from OSHA itself, not this
    Court. It was also OSHA’s decision to announce in 1993
    that it was "beginning a . . . rulemaking for occupational
    exposure to Cr VI," and that it "anticipate[d] that Notice of
    Proposed Rulemaking will be published . . . not later than
    1995." (Lurie Dec. P9.) At all events, we think it
    "exceptionally rare" that an agency would for years classify
    an action as a "high priority," only to demote it to a "long
    term project" upon the release of a study that provides
    more convincing evidence of the danger than had previously
    existed.
    We are satisfied that OSHA’s delay in this case is
    objectively extreme, and we find its regression alarming in
    the face of its own 1996 statement that "[t]here appears to
    be no dispute that the current PEL is too high." We
    therefore conclude that, absent a scientific or policy-based
    justification for its delay, we must compel it to act.
    B. Does Scientific Uncertainty Justify OSHA’s Delay?
    In Oil Workers, the first installment of this case, Public
    Citizen relied upon the Crump Report’s finding that
    between 88 and 342 out of every 1,000 workers exposed to
    hexavalent chromium will die from cancer attributable to
    that 
    exposure. 145 F.3d at 123
    . We recognized, however,
    that there were "serious questions about the validity of the
    data and assumptions underlying Petitioner’s calculations."
    
    Id. For example,
    as the Intervenors noted, it was "wrong to
    18
    assume that all workers in industries dealing with
    chromium in some way or another are exposed to 100 æg/m3
    hexavalent chromium, every working day for 45 years." 
    Id. We likewise
    observed that some workers breathe through
    respirators that protect them from exposure to chromium,
    and that Public Citizen’s calculations failed to distinguish
    between lead chromate and other hexavalent chromium
    compounds with potentially different carcinogenicities. 
    Id. at 124.
    Finally, and most importantly, we were troubled by
    the Crump Report’s failure to control for smoking and
    asbestos inhalation, two factors likely related to lung
    cancer incidence. 
    Id. Based on
    this imperfect science and our recognition that
    "OSHA . . . possesses enormous technical expertise we
    lack," we concluded that we were "not in a position to tell
    the Secretary how to do her job." 
    Id. OSHA offers
    several
    reasons for us to continue that deferential posture. First,
    OSHA allegedly "has not yet completed its evaluation of the
    Hopkins study." [OSHA Br. at 26.] It points out that the
    study’s authors acknowledged certain limitations of their
    data, particularly in estimating the cumulative exposure for
    different individuals in the cohort, and also that the study
    did not address the previous dispute over whether all
    hexavalent chromium compounds present the same degree
    of risk. [Id. at 26-27.] OSHA summarizes that, "even
    assuming the Hopkins study is the most useful single study
    available, it does not answer all of the technically complex
    questions about carcinogenicity and other health effects
    that OSHA would need to resolve in developing a Cr VI
    rule." [Id. at 27.]
    Second, OSHA alleges that "Public Citizen virtually
    ignores the other critical components of a Cr VI
    rulemaking." [Id.] One of OSHA’s requirements is that a
    standard must be technologically feasible, and given that
    one governing hexavalent chromium would apply to
    numerous industries, the feasibility analysis is quite
    complex. While it admits that it has successfully addressed
    issues of comparable complexity in the past, it notes that
    "these efforts have not been successful where courts have
    found insufficient rigor in the agency’s analysis of scientific
    and economic issues." [Id. at 30] See, e.g., Industrial Union
    19
    
    Dep’t, 448 U.S. at 662
    (invalidating benzene standard); AFL-
    CIO v. OSHA, 
    965 F.2d 962
    (11th Cir. 1992) (vacating
    standard setting new exposure limits for over 400
    substances). The bottom line, OSHA states, is that"[t]he
    belief that a chemical may be carcinogenic does not lead
    easily to the appropriate PEL for that chemical," and forcing
    it to issue a rule prematurely will likely result in that rule
    being overturned in court. [OSHA Br. at 24.]
    We agree with OSHA that the evidence may be imperfect,
    that the feasibility inquiry is formidable, and that
    premature rulemaking is undesirable. But given the history
    chronicled above, we find these concerns insufficient to
    justify further delay in regulating hexavalent chromium.
    First, while it is true that the Hopkins study’s authors
    recognized certain limitations of their data,
    the epidemiological data as of the mid-1990s were
    sufficient for EPA, ATSDR, NIOSH, the National
    Toxicology Program, and the International Agency for
    Research on Cancer to find hexavalent chromium
    carcinogenic; for OSHA to commence a rulemaking
    proceeding; and for OSHA’s contractor to estimate that
    exposures at a fraction of the current PEL would result
    in significant excess cancer deaths.
    [Public Citizen Reply Br. at 19-20.] Moreover, OSHA based
    its delay on its professed desire to consider that study
    because of its superior data and ability to control for
    smoking. It was released in August 2000, more than two
    years ago, but it has hardly facilitated the rulemaking
    process.5 OSHA now offers it as a justification for further
    inaction, claiming that it has not completed its evaluation
    of the study’s findings and that the study’s conclusions
    "can be much better assessed when experts in the field
    have had the opportunity to review and criticize it." [OSHA
    Br. at 27.]
    We are unconvinced. Public Citizen points out that, as
    the study was published in a peer-reviewed journal, experts
    in the field have already had the opportunity to criticize it.
    _________________________________________________________________
    5. Indeed, the Hopkins study’s results were first presented publicly in
    1995. [Public Citizen Br. at 10, 44.]
    20
    [Id. at 20.] Notably, in the two years since its publication,
    "no response or letter criticizing it has been published." [Id.]
    Especially since many of the study’s findings have been
    available since 1995, 
    see supra
    at note 5, the time for
    examining it has passed; we also note that, if further
    professional criticism is absolutely necessary, the notice-
    and-comment process will provide an ample opportunity.
    Nor do we find persuasive OSHA’s broad assertion that
    the Hopkins study "does not answer all of the technically
    complex questions . . . that OSHA would need to resolve in
    developing a Cr VI rule." [OSHA Br. at 27 (emphasis
    added).] This is obviously true, but without more it is
    irrelevant, for the Occupational Safety and Health Act does
    not require scientific certainty in the rulemaking process.
    Indeed, read fairly, the Act virtually forbids delay in pursuit
    of certainty -- it requires regulation "on the basis of the
    best available evidence," 29 U.S.C. S 655(b)(5) (emphasis
    added), and courts have warned that "OSHA cannot let
    workers suffer while it awaits the Godot of scientific
    certainty." United Steelworkers of America v. Marshall, 
    647 F.2d 1189
    , 1266 (D.C. Cir. 1980).
    OSHA points to one specific shortcoming of the Hopkins
    study -- that it "did not address the previous dispute over
    whether all hexavalent chromium compounds present the
    same degree of risk." [OSHA Br. at 27] That is indeed a
    question it did not resolve, and this uncertainty is the
    principal topic of Intervenor CPMA’s brief, which argues
    that the lead chromate used in pigments is not as
    carcinogenic as other hexavalent chromium compounds.
    The Hopkins study casts no light on this issue because its
    test population did not work in the pigment industry, but
    even without better data than that which existed in Oil
    Workers in 1997, we find this uncertainty insufficient to
    delay rulemaking further. Even if the chromate in pigments
    is not carcinogenic, an argument that, tellingly, OSHA itself
    does not offer, requiring concrete findings on this
    distinction would effectively hold hostage the thousands of
    workers who are exposed to non-pigment hexavalent
    chromium. We will not sanction that result when,"even
    though OSHA acknowledges that this issue was flagged in
    the prior litigation over four years ago, OSHA does not
    21
    claim to have done anything to resolve it." [Public Citizen
    Reply Br. at 24.]6
    Finally, while we are sympathetic to OSHA’s claim that a
    thorough feasibility analysis is both highly important and
    quite difficult, we cannot allow an imperfect analysis to
    justify indefinite delay. OSHA first announced a rulemaking
    nine years ago, and by its own account it has been
    examining the issue through NIOSH for at least four years.
    OSHA does not explain why this particular feasibility
    determination requires an extreme length of time, and it
    does not offer even a projection of how much time it might
    ultimately require. In such a situation, our traditional
    agency deference begins to resemble judicial abdication,
    and we conclude that scientific uncertainties and technical
    complexities, while no doubt considerable, can no longer
    justify delay. Judges on this court are not paid to decide
    the easy cases, and neither is OSHA. Difficult challenges go
    with the territory, and courts and agencies regularly
    surmount them. The notice-and-comment process should
    itself provide a fertile forum for gathering information on
    feasibility.
    C. Do Competing Priorities Justify OSHA’s Delay?
    Although OSHA insists that since Oil Workers it has
    continued to work on health-risk and feasibility issues
    relating to an eventual hexavalent chromium rulemaking, it
    admits that the project has not been a priority. In Oil
    Workers, of course, we noted "the quintessential discretion
    of the Secretary of Labor to allocate OSHA’s resources and
    set its 
    priorities," 145 F.3d at 123
    , and OSHA contends that
    it simply exercised its discretion to concentrate its
    resources elsewhere. For example, in early 1997, it
    promulgated a final standard regulating occupational
    exposure to methylene chloride, a widely-used chemical it
    found to be carcinogenic. See 62 Fed. Reg. 1494 (Jan. 10,
    1997). Shortly thereafter, in early 1998, it issued a final
    rule on respirators, see 63 Fed. Reg. 1152 (Jan. 8, 1998),
    and later that year it issued a final rule requiring adequate
    training for operators of powered industrial trucks. See 63
    _________________________________________________________________
    6. Presumably, the difference in pigments can be addressed in the
    rulemaking itself.
    22
    Fed. Reg. 66238 (Dec. 1, 1998). During that period, OSHA
    also completed a revision to its safety standards for
    longshoring and marine terminals. See 62 Fed. Reg. 40142
    (July 25, 1997).
    In 1999 and 2000, OSHA submits that it "focused most
    of its rulemaking resources on issuing an ergonomics
    standard before the end of the former Administration’s
    term." [OSHA Br. at 10.] Because the Clinton
    Administration placed such great emphasis on quickly
    finalizing those standards, the process was remarkably
    compressed; OSHA issued a proposed rule on November 23,
    1999, and a final rule less than a year later, on November
    14, 2000, "a timetable that required tremendous agency
    resources." [Id.] It explains that in addition to the
    ergonomics standard, the former Administration gave high
    priority to completing a steel erection standard, see 66 Fed.
    Reg. 5196 (Jan. 18, 2001), and a recordkeeping rule
    designed to improve the quality of information about the
    causes of occupational injuries and illnesses. See 66 Fed.
    Reg. 5916 (Jan. 19, 2001).
    OSHA represents that the delays became worse when the
    Bush administration took office, for it instructed the
    agencies that any new regulatory actions must be reviewed
    and approved by a department or agency head appointed
    after January 20, 2001. See Andrew H. Card, Jr.,
    Memorandum for the Heads and Acting Heads of Executive
    Departments and Agencies, (Jan. 20, 2001) available at
    http://www.whitehouse.gov/omb/inforeg/regreview_
    plan.pdf. As OSHA was not headed by a presidential
    nominee until August 2001, it alleges that "it could not
    begin in earnest to set its new regulatory priorities" until
    that time, [OSHA Br. at 14], and that even then, unforeseen
    incidents such as the September 11 attacks and anthrax
    mailings demanded that it "immediately divert[ ] significant
    resources to help ensure that the rescue and cleanup
    efforts did not result in further loss of life."[Id. at 15
    (citation omitted).]
    OSHA lastly represents that, while these competing
    priorities have admittedly delayed the hexavalent chromium
    rulemaking, it is now pressing forward on that project. It
    published a request for information ("RFI") in the Federal
    23
    Register in August 2002 posing specific questions that
    would be relevant to a rulemaking and inviting the public
    to submit any other evidence it feels might be helpful to
    OSHA. Following the RFI, it pledges that it will"evaluate all
    of the information available on Cr VI . . . and decide how to
    proceed." [Id. at 16.]
    We do not lightly discount these admittedly significant
    competing priorities, especially those relating to the events
    of September 11, but when we view the rulemaking’s
    progress over the past nine years, we reach the ineluctable
    conclusion that hexavalent chromium has progressively
    fallen by the wayside. This is unacceptable, for as the D.C.
    Circuit stated, "[w]here the Secretary deems a problem
    significant enough to warrant initiation of the standard
    setting process, the Act requires that he have a plan to
    shepherd through the development of the standard-- that
    he take pains, regardless of the press of other priorities, to
    ensure that the standard is not inadvertently lost in the
    process." National Congress of Hispanic American Citizens v.
    Marshall, 
    626 F.2d 882
    , 890-91 (D.C. Cir. 1979).
    OSHA chose in 1993 to begin the rulemaking process,
    announcing its "agree[ment] that there is clear evidence
    that exposure to Cr VI at the current PEL . . . can result in
    an excess risk of lung cancer," and its "anticipation that
    Notice of Proposed Rulemaking [would] be published in the
    Federal Register not later than March 1995." (Lurie Dec.
    P9.) However, 1995 came and went without any sign of
    formal action, only for OSHA in 1996 again to declare that
    "[t]here appears to be no dispute that the current PEL is too
    high" and "must be greatly reduced." (Id.) In fact, in 1997
    OSHA declared to this Court its intention to promulgate a
    proposed rule by September 1999. Oil 
    Workers, 145 F.3d at 123
    . That deadline, like the others, passed without action.
    Now, nine years after the rulemaking process began, we
    find ourselves without even a hint as to when OSHA might
    issue a proposed rule, much less a final rule. Indeed, a
    reasonable person would likely conclude that we are further
    from a rule today than we were five years ago, a notion that
    would certainly have alarmed the Oil Workers panel. We
    find apropos the D.C. Circuit’s words in Brock :
    24
    We understand that technical questions of health
    regulation are not easily untangled. We understand
    that an agency’s limited resources may make
    impossible the rapid development of regulation on
    several fronts at once. And we understand that the
    agency before us has far greater medical and public
    health knowledge than do the lawyers who comprise
    this tribunal. But we also understand, because we
    have seen it happen time and time again, that action
    Congress has ordered for the protection of public
    health all too easily becomes hostage to bureaucratic
    recalcitrance, factional infighting, and special interest
    politics. At some point, we must lean forward from the
    bench to let an agency know, in no uncertain terms, that
    enough is enough.
    
    Brock, 823 F.2d at 627
    (emphasis added).
    We conclude that now is such a time. While competing
    policy priorities might explain slow progress, they cannot
    justify indefinite delay and recalcitrance in the face of an
    admittedly grave risk to public health. Although the agency
    has commenced a rulemaking proceeding, we will
    nonetheless grant the petition to review the inaction of the
    United States Department of Labor as a predicate for our
    necessary discussion of the remedy.
    D. What is the Proper Remedy?
    Public Citizen requests that we direct OSHA to issue a
    proposed rule within 90 days, and to submit a schedule for
    finalizing the rule within 12 months thereafter.[Public
    Citizen Br. at 53.] Neither OSHA’s brief nor its recent
    announcement contains a proposed timetable, but it insists
    that Public Citizen’s proposed pace of rulemaking"is
    unrealistic in light of the procedural, consultative, and
    analytical duties that constrain OSHA rulemaking and the
    historical time frames required for OSHA to develop a toxic
    chemical standard." [OSHA Br. at 42.] For example, the
    Regulatory Flexibility Act, 5 U.S.C. SS 601-12, requires it to
    prepare a regulatory flexibility analysis if the rule will have
    a "significant economic impact upon a substantial number
    of small entities," a mandate this rulemaking is sure to
    trigger. Also, the Small Business Regulatory Enforcement
    25
    Fairness Act, 5 U.S.C. S 609(b), requires it to convene a
    review panel to address the rule’s potential impacts on
    small entities. Finally, Executive Order 12866 requires that
    OSHA submit its proposal, including a detailed economic
    analysis, to the Office of Management and Budget, which is
    to review it within 90 days.
    While we are certain that the time for action has arrived,
    we are cognizant of our lack of expertise in setting
    permissible exposure limits, and we recognize the damage
    that an ill-considered limit might cause. At oral argument,
    we presented the parties with a somewhat novel possibility:
    that they would submit to a course of mediation, conducted
    by a senior judge of this Court, in which they might work
    together toward a realistic timetable that we would then
    enforce. Both sides stated their willingness to engage in this
    process, and we think it the most promising way to develop
    a reasonable and workable schedule. We are, however,
    highly aware that this presents yet another opportunity for
    potentially indefinite bargaining and delay. We will therefore
    submit the matter to mediation for a period not to exceed
    sixty days, after which time, if the parties have not reached
    an accord, the panel will promulgate a schedule it deems
    appropriate. We are pleased that our distinguished
    colleague, Judge Walter K. Stapleton, has agreed to
    undertake the mediation.
    III. Conclusion
    For the foregoing reasons, we hold that OSHA’s delay in
    promulgating a lower permissible exposure limit for
    hexavalent chromium has exceeded the bounds of
    reasonableness. We therefore grant Public Citizen’s petition
    to compel OSHA to proceed expeditiously with its
    hexavalent chromium rulemaking. Deferring our specific
    remedial order, we direct that the parties appear before
    Judge Walter K. Stapleton for mediation for a period not to
    exceed sixty days, following which, if the parties have not
    agreed on a mutually satisfactory timetable, we will order
    one of our own.
    26
    A True Copy:
    Teste:
    Clerk of the United States Court of Appeals
    for the Third Circuit
    27