Westmoreland Coal Co. v. Amick , 123 F. App'x 525 ( 2004 )


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  •                                UNPUBLISHED
    UNITED STATES COURT OF APPEALS
    FOR THE FOURTH CIRCUIT
    No. 04-1147
    WESTMORELAND COAL COMPANY,
    Petitioner,
    versus
    CHARLES M. AMICK; DIRECTOR, OFFICE OF WORKERS’
    COMPENSATION    PROGRAMS,     UNITED    STATES
    DEPARTMENT OF LABOR,
    Respondents.
    On Petition for Review of an Order of the Benefits Review Board.
    (03-256-BLA)
    Argued:   September 28, 2004                 Decided:   December 6, 2004
    Before WILKINSON and WILLIAMS, Circuit Judges, and Roger W. TITUS,
    United States District Judge for the District of Maryland, sitting
    by designation.
    Vacated and remanded by unpublished per curiam opinion.
    ARGUED: Douglas Allan Smoot, JACKSON KELLY, P.L.L.C., Charleston,
    West Virginia, for Petitioner. Seth A. Steed, WASHINGTON & LEE
    UNIVERSITY, School of Law, Lexington, Virginia; Richard Anthony
    Seid, UNITED STATES DEPARTMENT OF LABOR, Black Lung Longshore Legal
    Services Division, Washington, D.C., for Respondents. ON BRIEF:
    Kathy L. Snyder, JACKSON KELLY, P.L.L.C., Morgantown, West
    Virginia, for Petitioner.    Mary Z. Natkin, James M. Phemister,
    WASHINGTON & LEE UNIVERSITY, School of Law, Lexington, Virginia,
    for Respondent Amick.    Howard M. Radzely, Solicitor of Labor,
    Donald S. Shire, Associate Solicitor, Christian P. Barber, Counsel
    for Appellate Litigation, UNITED STATES DEPARTMENT OF LABOR, Office
    of the Solicitor, Washington, D.C., for Federal Respondent.
    Unpublished opinions are not binding precedent in this circuit.
    See Local Rule 36(c).
    2
    PER CURIAM:
    On March 29, 2000, Charles Moore Amick filed his third claim
    for benefits under the Black Lung Benefits Act (the BLBA or the
    Act), 
    30 U.S.C.A. §§ 901-945
     (West 1986 & Supp. 2004).               An
    Administrative Law Judge (ALJ) reviewed Amick’s claim, found that
    Amick had established a material change in condition since his
    prior black lung benefits claim, and awarded benefits. Because the
    ALJ found that the evidence did not establish the month of onset of
    total disability, the ALJ applied the default entitlement date
    provided for in 
    20 C.F.R. § 725.503
     (2002) and made benefits
    payable beginning with the month that the claim was filed. The
    Benefits Review Board (Board) affirmed, with one judge dissenting.
    Westmoreland Coal Company now petitions for review of the Board’s
    order.    Because    the   ALJ’s   factual   findings    regarding   the
    credibility of the various doctors are not supported by substantial
    evidence, we vacate the Board’s order and remand to the ALJ to
    reconsider the medical evidence.
    I.
    Amick worked in the coal mine industry for approximately
    thirty-five years.   He    had various jobs, including working as a
    truck driver, mechanic, electrician, dozer operator, timberman,
    cutting machine operator, and scoop operator.           The last eleven
    years of his coal mine employment were with Westmoreland where he
    3
    ran a supply motor, which involved loading and unloading roof
    bolts, timbers, and other supplies.           Amick retired in 1983.     Amick
    filed his first claim for benefits in 1980. That claim was denied
    in 1981 because the evidence did not establish total disability due
    to pneumoconiosis. Amick filed his second claim on April 15, 1983.
    This second claim was denied because Amick failed to appear at a
    hearing or respond to a show cause order.            Amick filed this claim,
    his third, on March 29, 2000.
    The record contains reports from nine doctors, all of whom
    agree that Amick is “totally disabled” as defined by federal
    regulations.      See   
    20 C.F.R. § 718.204
    (b)(1)    (defining   total
    disability as “pulmonary or respiratory impairment” preventing a
    miner   from   performing    coal    mine   work).     The   medical   reports
    conflict, however, as to the cause of Amick’s disability.              Amick’s
    doctors -- Drs. Koenig, Cohen, and Rasmussen -- opine that his
    disability is due, at least in part, to his coal mine employment.
    The employer’s doctors -- Drs. Zaldivar, Stewart, Castle, Daniel,
    Spagnolo, and Morgan -- uniformly opine that Amick’s disability is
    due   to   Amick’s   habit   of     smoking   approximately     one    pack   of
    cigarettes per day for nearly forty years.
    The ALJ discredited reports from several of the employer’s
    doctors “[b]ased on the failure of these physicians to discuss
    whether or not Claimant’s chronic obstructive pulmonary disease was
    related to his coal mine employment.”          (J.A. at 623.)    The ALJ also
    4
    noted that the employer’s doctors “were discussing the presence of
    simple coal workers’ pneumoconiosis as demonstrated on chest X-ray”
    and not “legal pneumoconiosis.”           (J.A. at 623.)      Finally, the ALJ
    discredited Dr. Morgan’s opinion because it was “contradictory to
    the Act.”       (J.A. at 624.)      The ALJ credited Dr. Koenig’s report
    because    it   gave    a   “very   thorough    and   complete   discussion    of
    Claimant’s pulmonary condition.”               (J.A. at 623.)     The ALJ also
    found Dr. Koenig’s report to be the “best reasoned.”                  (J.A. at
    624.)     Based on this weighing of the medical reports, the ALJ
    determined that Amick had proven a material change in condition
    since his last claim for benefits, and on a review of all of the
    evidence, the ALJ awarded benefits.             The Board affirmed, with one
    judge dissenting.
    Westmoreland now petitions for review, arguing that                  the ALJ
    erred by (1) failing to make a factual finding that Amick’s claim
    was timely; (2) applying certain amended regulations to Amick’s
    claim,    which   was   pending     on   the   date   the   regulations    became
    effective; (3) applying the wrong test to determine whether Amick
    established a material change in condition; (4) weighing the
    medical opinion evidence; and (5) applying the default entitlement
    date found in 
    20 C.F.R. § 725.503
    .
    5
    II.
    A.
    We consider first Westmoreland’s argument that the ALJ erred
    by failing to make a factual                 finding that Amick’s claim was
    timely.    Section 725.308 provides that “[a] claim for benefits . .
    . shall be filed within three years after a medical determination
    of    total   disability     due   to    pneumoconiosis       which   has   been
    communicated to the miner . . . .”                  
    20 C.F.R. § 725.308
    (a).
    Although Westmoreland argued that Amick’s claim was untimely, the
    ALJ made no explicit findings regarding the timeliness of Amick’s
    claim.    On appeal before the Board, Westmoreland once again argued
    that Amick’s claim was untimely.             The Board reviewed the evidence
    and held that Amick’s claim was timely because the time limitations
    do not apply to duplicate claims and because even assuming that the
    time limits apply, “this claim would not be time-barred because a
    review of the record before us fails to demonstrate that claimant
    received a written diagnosis of totally disabling pneumoconiosis.”
    (J.A. at 632 (emphasis added).)               The Board did not mention the
    ALJ’s failure to address the timeliness issue, but apparently
    considered the ALJ’s decision on the merits to be a rejection of
    Westmoreland’s timeliness arguments.             Westmoreland now argues that
    the   ALJ’s   failure   to    make      explicit    findings    regarding   the
    timeliness    of   Amick’s   claim      requires    remand.     Alternatively,
    6
    Westmoreland    argues    that   the     Board   erred     in   requiring    the
    communication with the miner to be written.
    Section 921(c) of Title 33, as incorporated by 
    30 U.S.C.A. § 932
     (West 2000), provides us with jurisdiction to entertain this
    petition.    That section provides, in relevant part:
    Any person adversely affected or aggrieved by a final
    order of the Board may obtain a review of that order in
    the United States court of appeals for the circuit in
    which the injury occurred . . . . [T]he court shall have
    jurisdiction of the proceeding and shall have the power
    to give a decree affirming, modifying, or setting aside,
    in whole or in part, the order of the Board and enforcing
    same to the extent that such order is affirmed or
    modified.
    
    33 U.S.C.A. § 921
    (c)(2001). Although this statute does not set out
    the standard of review in this court, we are guided by the fact
    that the Board must affirm the ALJ’s findings of fact if they are
    “supported by substantial evidence in the record considered as a
    whole.” 
    33 U.S.C.A. § 921
    (b)(3); 
    20 C.F.R. § 802.301
     (2001). Thus,
    when     reviewing   a   claim   for    benefits   under    the   BLBA,     “[w]e
    undertake an independent review of the record, as in the place of
    the Board, to determine whether the ALJ’s factual findings were
    based on substantial evidence in the record. We review questions of
    law de novo.”    Toler v. Eastern Associated Coal Co., 
    43 F.3d 109
    ,
    114 (4th Cir. 1995) (citation omitted).
    Turning to the Board’s holdings, the Board first held that the
    time limitations in 
    30 U.S.C.A. § 932
    (f) and 
    20 C.F.R. § 725.308
     do
    not apply to duplicate claims.         (J.A. at 632.)    Neither the statute
    7
    nor the regulation, however, makes any distinction between initial
    and duplicate claims.     The statute refers to “[a]ny” claim for
    benefits and the regulation refers to “[a] claim” for benefits.
    Based on this language, the Director, to whom we accord substantial
    deference in the interpretation of the regulations, Pauley v.
    BethEnergy   Mines,   Inc.,   
    501 U.S. 680
    ,    697   (1991),   advocates
    application of the time limitation to duplicate claims as well as
    initial claims, and we agree.       In the context of duplicate claims,
    we agree with the Tenth Circuit that
    a final finding by an Office of Workers’ Compensation
    Program adjudicator [or other final adjudicator] that the
    claimant is not totally disabled due to pneumoconiosis
    repudiates any earlier medical determination to the
    contrary and renders prior medical advice to the contrary
    ineffective to trigger the running of the statute of
    limitations.
    Wyoming Fuel Co. v. Director, Office of Workers’ Comp. Program, 
    90 F.3d 1502
    , 1507 (10th Cir. 1996).
    Perhaps   anticipating    that       we   would     hold   that   the   time
    limitations apply to duplicate claims, the Board held in the
    alternative that Amick’s claim was timely because there was no
    evidence of a written diagnosis communicated to Amick more than
    three years before he filed his claim.                Westmoreland argues that
    this holding is erroneous because there is no requirement that the
    miner receive a written communication of his diagnosis.                 We need
    not resolve this issue, however, because, as discussed below,
    8
    Westmoreland does not cite to any evidence, written or otherwise to
    trigger the statute of limitations.1
    Amick filed his claim in March 2000.             Accordingly, his claim
    is untimely if Westmoreland can show that a diagnosis of total
    disability due to pneumoconiosis was communicated to him before
    March 1997.      The evidence related to the timeliness issue is not in
    dispute, although the parties draw different inferences from that
    evidence. The Progress Notes from the Rainelle Medical Center show
    a diagnosis of “Black Lung 20%” in 1995 and “+CWP - 35 yrs in
    mines” in 1996, (J.A. at 30, 31), but the Progress Notes do not
    mention whether Amick was totally disabled or whether the diagnosis
    was communicated to Amick.      At the hearing before the ALJ, on June
    12, 2002, Westmoreland elicited testimony from Amick regarding
    diagnoses from Drs. Klamath and Salvador.              According to Amick’s
    testimony, Dr. Klamath told him he was totally disabled by Black
    Lung “probably two or three years ago,” (J.A. at 594), and Dr.
    Salvador told him there was “something wrong with [his] lungs . .
    . probably been four years ago.”            (J.A. at 595.)        When asked
    whether    Dr.    Salvador   told   him   that   he    was   disabled,   Amick
    testified, “I just don’t remember whether he told me at that time
    or not.”   (J.A. at 596.)     Based on Amick’s testimony in June 2002,
    the communication from Dr. Salvador would have taken place around
    1
    Pursuant to 
    20 C.F.R. § 725.308
    (c), claims for benefits are
    presumed to be timely, and the employer bears the burden of
    production that a claim is untimely.
    9
    June 1998, and the communication from Dr. Klamath would have taken
    place around 1999 or 2000.         Because none of these dates is more
    than three years before Amick filed this claim for benefits,
    Westmoreland has not carried its burden to show that Amick’s claim
    was untimely.
    Ideally, the ALJ would have made explicit the factual finding
    that    the   communication   from   Dr.    Klamath    and/or   Dr.    Salvador
    occurred in 1998 at the earliest.          Because we find, however, that
    this is the only permissible inference to be drawn from the
    undisputed evidence, we find that the ALJ’s failure to make these
    factual findings is harmless error.         See Ngarurih v. Ashcroft, 
    371 F.3d 182
    , 190 n.8 (4th Cir. 2004) (holding that appeals courts need
    not reverse agency action because of a harmless error).
    B.
    We turn next to Westmoreland’s argument that the ALJ erred in
    applying      certain   amended   regulations   to    Amick’s   claim.       The
    Secretary revised Parts 718 and 725 of the black lung regulations
    in 2001.      See 20 C.F.R. Parts 718 and 725 (2004).               The amended
    regulations     became   effective   on    January    19,   2001.     With   the
    exception of certain sections identified in 
    20 C.F.R. § 725.2
    (c),
    the amended regulations apply to claims pending as of January 19,
    2001.      It is undisputed that the Secretary did not have the
    authority to promulgate retroactive rules.            Accordingly, the only
    10
    question is whether the challenged regulations are, in fact,
    retroactive. Westmoreland argues that all of the amendments are
    impermissibly retroactive as applied to claims pending as of
    January 19, 2001.
    As an initial matter, we note that the D.C. Circuit considered
    in   some   detail   challenges    to    specific   amended   black   lung
    regulations and found several of the amended regulations to be
    impermissibly retroactive.        See Nat. Mining Ass’n v. Dept. of
    Labor, 
    292 F.3d 849
     (D.C. Cir. 2002).           The ALJ in this case,
    however, did not apply any of the regulations that the D.C. Circuit
    found to be impermissibly retroactive.       (J.A. at 620 “I will apply
    the sections of the newly revised version of Part 718 (i.e.
    subparts A, C, and D) and 725 that took effect on January 19, 2001
    that the court did not find impermissibly retroactive to the facts
    of the instant matter.”.)
    We stated the general framework for a retroactivity analysis
    in Chambers v. Reno, 
    307 F.3d 284
     (4th Cir. 2002).
    A new statute does not produce a retroactive effect
    “merely because it is applied in a case arising from
    conduct antedating the statute's enactment.” Landgraf,
    511 U.S. at 269. The question instead is “whether the new
    provision attaches new legal consequences to events
    completed before its enactment.” Id. at 270. A statute
    would attach new legal consequences to prior events if
    its application “would impair rights a party possessed
    when he acted, increase a party's liability for past
    conduct, or impose new duties with respect to
    transactions already completed.” Id. at 280.
    11
    Chambers, 
    307 F.3d at 289
    .              The only properly raised argument
    Westmoreland makes is that under amended 
    20 C.F.R. § 718.101
    (b),
    different quality standards applied to Dr. Rasmussen’s examination
    of Amick on June 23, 2000, and Dr. Zaldivar’s examination of Amick
    on January 24, 2001.2           (Appellant’s Br. at 16.)            Westmoreland,
    however, fails to elaborate on how             this regulation impaired its
    rights,     increased     its     liability,     or     imposed     new    duties.
    Westmoreland does not mention any other specific regulation.                   We
    decline to review all of the amended regulations searching for some
    retroactive effect in the absence of any argument from Westmoreland
    regarding what new legal consequences the regulations impose.                  See
    Edwards v. City of Goldsboro, 
    178 F.3d 231
    , 241 n.6 (4th Cir. 1999)
    (discussing abandonment of issues under Fed. R. App. P. 28(a)(9)
    when Appellant    fails properly to raise and discuss issues in his
    opening brief).       Moreover, we note that the ALJ did not fault
    Westmoreland    for     failing    to   comply   with    any   of    the   amended
    regulations.     Accordingly, the ALJ did not err in applying the
    amended regulations to Amick’s claim that was pending on January
    19, 2001.
    2
    Westmoreland’s only other explanation of how this regulation
    impaired its rights was raised for the first time in oral argument.
    Westmoreland argued that the application of revised 
    20 C.F.R. § 718.101
    (b) allowed the ALJ to discredit Dr. Spagnolo’s opinion
    because Dr. Spagnolo believed pneumoconiosis to be a progressive
    disease only.
    12
    C.
    Westmoreland next argues that the ALJ applied the wrong test
    to   determine   whether     Amick    established      a   material    change      in
    condition.   Westmoreland argues that, when considering a duplicate
    claim, the ALJ must consider the old and new evidence together to
    determine    whether   a    material     change       in   condition   occurred.
    Westmoreland’s    argument       is   entirely    without    merit.      In    this
    circuit, all that a miner must do to show a material change in
    condition is “prove, under all of the probative medical evidence of
    his condition after the prior denial, at least one of the elements
    previously adjudicated against him.”             Lisa Lee Mines v. Director,
    Office of Workers’ Comp. Programs, 
    86 F.3d 1358
    , 1362 (4th Cir.
    1996) (en banc), cert. denied, 
    519 U.S. 1090
     (1997)                (emphasis in
    original).    We specifically rejected the Sixth Circuit’s further
    requirement in Sharondale Corp. v. Ross, 
    42 F.3d 993
    , 999 (6th Cir.
    1994) of “consideration of the evidence behind the earlier denial
    to determine whether it ‘differ[s] qualitatively from the new
    evidence.”   
    Id.
     at 1363 n.11.
    D.
    Westmoreland argues that the ALJ erred in determining that
    Amick   established        the    existence      of    pneumoconiosis         by   a
    preponderance of the evidence because the ALJ erred in determining
    which physicians’ opinions to credit.            We agree.
    13
    The ALJ is charged with making factual findings, including
    evaluating the credibility of witnesses and weighing
    contradicting evidence. . . . Accordingly, we must affirm the
    Board if it properly determined that the ALJ’s findings are
    supported by substantial evidence, keeping in mind that “a
    reviewing body may not set aside an inference merely because
    it finds the opposite conclusion more reasonable or because it
    questions the factual basis.”
    Doss v. Director, Office of Workers’ Comp. Programs, 
    53 F.3d 654
    ,
    658-59 (4th Cir. 1995) (quoting Smith v. Director, OWCP, 
    843 F.2d 1053
    , 1057 (7th Cir. 1988).
    To establish eligibility for benefits under 20 C.F.R. Part
    718, a claimant must prove that (1) he has pneumoconiosis; (2) the
    pneumoconiosis arose out of his coal mine employment; (3) he has a
    totally disabling respiratory or pulmonary condition; and (4)
    pneumoconiosis is a contributing cause to his total respiratory
    disability.   Section 718.202(a) provides that
    [a] finding of the existence of pneumoconiosis may be
    made as follows:
    (1) A chest X-ray conducted and classified in accordance
    with § 718.102 may form the basis for a finding of the
    existence of pneumoconiosis . . . .
    . . . .
    (2) A biopsy or autopsy conducted and reported in
    compliance with § 718.106 may be the basis for a finding
    of the existence of pneumoconiosis . . . .
    (3) If the presumptions described in §§ 718.304, 718.305
    or § 718.306 are applicable, it shall be presumed that
    the miner is or was suffering from pneumoconiosis.
    (4) A determination of the existence of pneumoconiosis
    may also be made if a physician, exercising sound medical
    judgment, notwithstanding a negative X-ray, finds that
    the miner suffers or suffered from pneumoconiosis as
    defined in § 718.201. Any such finding shall be based on
    objective medical evidence such as blood-gas studies,
    electrocardiograms, pulmonary function studies, physical
    performance tests, physical examination, and medical and
    work histories. Such a finding shall be supported by a
    reasoned medical opinion.
    14
    
    20 C.F.R. § 718.202
    (a) (2004).                     There were no autopsy or biopsy
    findings      in     this    case,     and    none    of     the    presumptions         apply.
    Accordingly, the ALJ was left with the X-ray evidence and the
    medical      opinion       evidence.         The    ALJ    concluded       that    the   X-ray
    evidence       was       evenly     balanced,      and     thus,     did    not    establish
    pneumoconiosis.             (J.A. at 622.)           The ALJ then considered the
    medical opinion evidence, including the medical reports of Drs.
    Zaldivar,      Spagnolo,          Stewart,    Castle,       Daniel,        Morgan,   Koenig,
    Rasmussen, and Cohen.3
    Westmoreland first argues that the ALJ erred by discrediting
    Drs. Zaldivar, Stewart, Castle, and Daniel based on the erroneous
    finding that they failed to address whether coal mine dust exposure
    contributed         to    Amick’s     chronic       obstructive       pulmonary      disease
    (COPD).        The ALJ held that “[b]ased on the failure of these
    physicians to discuss whether or not Claimant’s chronic obstructive
    pulmonary disease was related to his coal mine employment, I accord
    less       weight    to     their    conclusions          regarding    the     presence     of
    pneumoconiosis           since    chronic     obstructive          pulmonary      disease   is
    encompassed within the definition of pneumoconiosis for purposes of
    entitlement to Black Lung benefits.”                      (J.A. at 623.)       This finding
    is not supported by substantial evidence.                      A review of the record
    3
    We note that after determining that the medical opinion
    evidence supported a finding of pneumoconiosis, the ALJ properly
    considered the medical opinion evidence together with the equivocal
    X-ray evidence to determine whether pneumoconiosis was present.
    See Island Creek Coal Co. v. Compton, 
    211 F.3d 203
     (4th Cir. 2000).
    15
    reveals that Drs. Zaldivar, Stewart, and Castle each found that
    Amick’s COPD was not related to his coal mine employment.                   (See
    J.A. at 248 (Zaldivar - “There is no evidence of coal workers’
    pneumoconiosis, nor any dust disease of the lungs in this case.”)
    (emphasis added); J.A. at 282 (Castle - “These findings are not in
    keeping with coal mine dust induced lung disease.”) (emphasis
    added); J.A. at 352 (Stewart - “[T]his disability impairment is
    secondary to chronic obstructive pulmonary disease from smoking as
    well as the asthmatic component.               It is not related in whole or in
    part    secondary      to   coal     dust        exposure   or     coal   workers
    pneumoconiosis.” (emphasis added).)
    The Board appears to have recognized that the ALJ’s finding
    was factually incorrect because it noted that “[f]urther review of
    the administrative law judge’s Decision and Order . . . shows that
    he was aware that these doctors discussed the cause of claimant’s
    chronic obstructive pulmonary disease and that he fully set forth
    his    reasons   for   finding     that    their     conclusions   that   chronic
    obstructive pulmonary disease was due to smoking, not coal mine
    employment, were unreasoned.”             (J.A. at 635.)         It is true that
    “further review” of the ALJ’s decision reveals passages in the
    “Medical Evidence” section where the ALJ noted that the doctors
    opined that Amick’s COPD was not due to coal dust exposure, but the
    ALJ was merely describing the reports in this section and not
    weighing the evidence.       When giving his reasons for discrediting
    16
    the doctors’ opinions, the ALJ specifically relied on the failure
    of the doctors to discuss the etiology of Amick’s COPD.
    The ALJ also discredited Dr. Spagnolo and several other
    physicians4 for failing to consider the medical literature cited by
    Dr. Koenig and for discussing only the presence of simple coal
    workers’ pneumoconiosis as demonstrated on chest X-ray.        According
    to the ALJ, “[t]hey did not . . . discuss legal pneumoconiosis, nor
    did they counter Dr. Koening’s [sic] findings that the chronic
    obstructive pulmonary disease present was due, at least in part, to
    coal mine employment and coal dust exposure.”5          (J.A. at 623.)
    First, as the dissenting Board judge noted, if a physician provides
    a reasoned opinion based on his evaluation of the evidence, he need
    not also address the conclusions of other physicians.         Second, as
    discussed above, the factual finding that Drs. Zaldivar, Stewart,
    and   Castle   did   not   address   legal   pneumoconiosis   is   simply
    4
    The ALJ does not make clear which other physicians he
    includes with Dr. Spagnolo. We have assumed that the ALJ intended
    to include Drs. Zaldivar, Stewart, Castle, and Daniel.
    5
    “Legal” pneumoconiosis is a statutory term referring to
    “any ‘chronic pulmonary disease resulting in respiratory or
    pulmonary impairment significantly related to, or substantially
    aggravated by, dust exposure in coal mine employment.’ ” Gulf & W.
    Indus. v. Ling, 
    176 F.3d 226
    , 231 (4th Cir. 1999) (quoting and
    adding emphasis to 
    20 C.F.R. § 718.201
     (2003)). “The term is thus
    broader than ‘medical’ or ‘clinical’ pneumoconiosis, as ‘legal’
    pneumoconiosis also encompasses ‘diseases whose etiology is not the
    inhalation of coal dust, but whose respiratory and pulmonary
    symptomatology have nonetheless been made worse by coal dust
    exposure.’ ” Lewis Coal Co. v. Director, Office of Workers’ Comp.
    Programs, 
    373 F.3d 570
    , 577 (4th Cir. 2004) (quoting Clinchfield
    Coal Co. v. Fuller, 
    180 F.3d 622
    , 625 (4th Cir.1999)).
    17
    incorrect.           Dr.     Spagnolo          also     considered        whether      legal
    pneumoconiosis was present.                   (See J.A. at 319 (Spagnolo - “Mr.
    Amick does not have a chronic restrictive or obstructive pulmonary
    impairment arising out of coalmine [sic] employment and further he
    does not have any chronic disease of the lung arising from his coal
    mine employment.”).
    The   Board       attempted       to    bolster       the    ALJ’s     findings    by
    concluding that the ALJ “implicitly” found that Spagnolo, Zaldivar,
    and Castle erred by not considering the progressive nature of
    pneumoconiosis.       (J.A. at 635-36.)               The ALJ, however, did not give
    this as a reason for discrediting the doctors’ opinions, and we
    must “judge the propriety of the [ALJ’s] action solely by the
    grounds invoked by the [ALJ].”                 SEC v. Chenery, 
    332 U.S. 194
    , 196
    (1947)(sustaining          SEC     order      upon     review      of   the    Commission’s
    grounds).
    Westmoreland also argues that the ALJ erred in discrediting
    Dr. Morgan. The ALJ’s conclusion with regard to Dr. Morgan suffers
    from   the   same     flaw       as   its      conclusions         regarding     the   other
    physicians.          The     ALJ      discredited        Dr.       Morgan’s     report    as
    contradictory       to     the     Act     because      “[h]e      stated     the   medical
    authorities and studies which he credits are against a finding that
    emphysema     and    airway        obstruction         are    related     to    coal     mine
    employment.” (J.A. at 624.) As the Board recognized, Dr. Morgan’s
    report was not contradictory to the Act because “Dr. Morgan did not
    18
    state that an obstructive impairment could not arise out of coal
    mine       employment,”    he   merely   stated   that   Amick’s    obstructive
    component did not arise out of coal mine employment.               (J.A. at 636;
    See J.A. at 387 (Morgan’s report - “[C]oal miners develop airways
    obstruction       and     bronchitis.     They    also   develop    focal   dust
    emphysema.       The latter, however, is not the same condition as is
    centriacinar emphysema which results from cigarette smoking.”).)
    The Board tries to fix the ALJ’s error by holding that the ALJ also
    discredited Dr. Morgan because he based his opinion on the lack of
    radiographic evidence of dust disease and the progressive nature of
    Amick’s disease.        The ALJ’s opinion shows that the ALJ was aware of
    the contents of Dr. Morgan’s opinion, but the only reason given by
    the ALJ for discrediting him is that his opinion was contradictory
    to the Act.
    Although the Board’s conclusions about the credibility of the
    doctors might be supported by substantial evidence,6 it is the
    ALJ’s factual findings that we must review.              The reasons that the
    ALJ gave for discrediting the doctors’ opinions are not supported
    by substantial evidence. Accordingly, we vacate the ALJ’s decision
    and remand for reconsideration of the medical opinion evidence. We
    6
    We note that a conclusion that a miner does not suffer from
    legal pneumoconiosis based on a negative x-ray might be construed
    as hostile or contradictory to the BLBA because 
    20 C.F.R. § 718.201
    allows a miner to prove pneumoconiosis based on medical opinion
    evidence even in the absence of qualifying X-rays.
    19
    note that on remand, the ALJ should be more explicit about the
    relative credentials of the doctors as well.
    Because we vacate the award of benefits, we need not address
    Westmoreland’s argument that the ALJ erred by awarding benefits
    payable beginning with the month in which Amick filed his claim,
    pursuant to the default entitlement date provided for in 
    20 C.F.R. § 725.503
    .
    III.
    For the foregoing reasons, we vacate the award of benefits and
    remand to the ALJ for reconsideration of the medical opinion
    evidence.
    VACATED AND REMANDED
    20