Penegar v. United Parcel Serv. ( 2018 )


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  •              IN THE COURT OF APPEALS OF NORTH CAROLINA
    No. COA17-404
    Filed: 1 May 2018
    North Carolina Industrial Commission, Nos. 14-769356 & 15-742389
    CARRA JANE PENEGAR, Widow and Executrix of the Estate of JOHNNY RAY
    PENEGAR, Deceased Employee, Plaintiff,
    v.
    UNITED PARCEL SERVICE, Employer, LIBERTY MUTUAL INSURANCE CO.,
    Carrier, Defendants.
    Appeal by Plaintiff and Defendants from an Opinion and Award entered 8
    December 2016 by the Full North Carolina Industrial Commission. Heard in the
    Court of Appeals 18 October 2017.
    Wallace and Graham, P.A., by Michael B. Pross, for Plaintiff-Appellant.
    Goodman McGuffey, LLP, by Jennifer Jerzak Blackman, for Defendants-
    Appellants.
    INMAN, Judge.
    The North Carolina Industrial Commission (the “Commission”) did not err in
    finding that an employee’s last injurious exposure to asbestos, which contributed to
    his development of an occupational disease, occurred during the thirty years he
    worked for his primary lifetime employer, based on the testimony of his former co-
    workers and medical experts, and in the absence of any evidence that he was exposed
    to asbestos at any subsequent job. Nor did the Commission err in calculating the
    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    employee’s average weekly wage based upon the employee’s earnings in the year
    immediately preceding his diagnosis.
    This case arises out of a workers’ compensation claim filed by Johnny Ray
    Penegar (“Decedent”) against United Parcel Service (“Employer” or “UPS”) and
    Liberty Mutual Insurance Company (“Carrier”) (collectively “Defendants”), asserting
    compensation for Decedent’s mesothelioma.          Carra Jane Penegar (“Plaintiff”),
    Decedent’s wife and executrix of his estate, was substituted as Plaintiff following
    Decedent’s death on 26 March 2015 during the pendency of this action. Both parties
    appeal from the opinion and award of the Full North Carolina Industrial Commission,
    which awarded Plaintiff compensation for all of Decedent’s medical expenses
    associated with his diagnosis of mesothelioma, total disability compensation, burial
    expenses, and death benefits.
    Defendants argue that the Commission’s findings that Plaintiff was injuriously
    exposed to asbestos while employed by UPS and that Plaintiff’s last injurious
    exposure to asbestos occurred at UPS are unsupported by competent evidence.
    Plaintiff argues that the Commission lacked jurisdiction to revise the Deputy
    Commissioner’s calculation of the average weekly wage, and, assuming jurisdiction,
    that the Commission’s calculation was incorrect. Additionally, Plaintiff asserts that
    the Commission failed to address the issue, raised by Plaintiff on appeal from the
    Deputy Commissioner’s opinion and award, of the appropriate maximum
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    compensation rate to be applied to Decedent’s claim. After careful review, we affirm
    the Commission’s finding that Decedent’s last injurious exposure to asbestos occurred
    while Decedent was employed with UPS.             We also affirm the Commission’s
    recalculation of Decedent’s average weekly wage. We dismiss as moot Plaintiff’s
    appeal from the Commission’s failure to address the Deputy Commissioner’s
    calculation of the maximum compensation rate.
    Factual and Procedural History
    Decedent worked for UPS for thirty years, from 1967 until 1998, as a feeder
    driver based in UPS’s Charlotte facility. Decedent’s duties included driving a tracker-
    trailer to destinations within 200 miles and back each day. The Charlotte facility
    was a large, open building approximately the size of two or three football fields, in
    which the main area, referred to by employees as the “shop,” consisted of various
    unseparated bays designated “tractor shop” or “package car shop” depending on what
    vehicles were being repaired or maintained in each. Decedent walked through the
    shop nearly every day to get from his truck to the employee locker room. Decedent
    would often stop in the shop to talk with mechanics while they worked.
    UPS employed its own mechanics to service the vehicles in its fleet during the
    entirety of Decedent’s employment. Standard service tasks included maintaining and
    repairing brakes. In any given week, between three and seven brake jobs were
    performed in the shop. A typical brake job included banging the brake drums on the
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    ground and using compressed air to clear off the brake dust. The brake pads used by
    UPS during Decedent’s employment contained asbestos, and would release asbestos
    fibers into the air during brake jobs. Starting in the mid-1980s, UPS provided
    protective masks to the mechanics, but did not at any time provide a protective mask
    to Decedent.
    Following his employment with UPS, from 1999 until 2002, Decedent drove a
    transfer van for Union County. He also worked for a church and for Union County
    Schools. Decedent continued to work part-time until 2012.
    On 8 February 2013, Decedent was diagnosed with mesothelioma. Prior to his
    death on 26 March 2016, Decedent filed a claim with the Commission alleging that
    his mesothelioma developed as a result of asbestos exposure during his employment
    with UPS.
    Plaintiff presented testimony from two former UPS mechanics and two medical
    experts. The mechanics testified that asbestos was present at the Charlotte facility.
    The medical experts testified that exposure to asbestos in the UPS facility caused
    Decedent to develop mesothelioma or contributed to him developing that disease.
    Defendants presented two expert witnesses—an expert in industrial hygiene and an
    expert in pathology.
    The Deputy Commissioner issued an opinion and award finding that Decedent
    was last injuriously exposed to asbestos, and the hazards of developing mesothelioma,
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    during his employment with UPS. The Deputy Commissioner awarded Plaintiff 500
    weeks of wage compensation, calculated using Decedent’s average weekly wage from
    1998 of $690.10, the last year he worked for UPS, and limited by the maximum
    compensation rate for 1998, so that Plaintiff was awarded $532.00 per week. The
    opinion and award also compensated Plaintiff for the medical expenses incurred
    treating Decedent’s mesothelioma.
    Plaintiff filed a motion for reconsideration of the maximum compensation rate,
    arguing that the Deputy Commissioner should have used the maximum
    compensation rate from 2015—the date of Decedent’s death.               The Deputy
    Commissioner denied Plaintiff’s motion.
    Both parties appealed to the Full Commission.        Defendants challenged a
    majority of the Deputy Commissioner’s findings of fact and all but one of the
    conclusions of law. Plaintiff challenged only the Deputy Commissioner’s calculation
    of the appropriate maximum compensation rate.
    The Commission, on 8 December 2016, issued its opinion and award finding
    that Decedent’s last injurious exposure to asbestos, and the hazards of mesothelioma,
    occurred while he was employed with UPS.          The Commission recalculated and
    substantially reduced Decedent’s average weekly wage, based on Decedent’s earnings
    in the year prior to his diagnosis with mesothelioma, when he was no longer employed
    by UPS. Both parties appealed.
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    Analysis
    I. Standard of Review
    “Appellate review of an award from the Industrial Commission is generally
    limited to two issues: (i) whether the findings of fact are supported by competent
    evidence, and (ii) whether the conclusions of law are justified by the findings of fact.”
    Chambers v. Transit Mgmt., 
    360 N.C. 609
    , 611, 
    636 S.E.2d 553
    , 555 (2006) (citation
    omitted). Unchallenged findings of fact are presumed to be supported by competent
    evidence, and findings of fact supported by competent evidence are binding on appeal.
    Chaisson v. Simpson, 
    195 N.C. App. 463
    , 470, 
    673 S.E.2d 149
    , 156 (2009). The
    Commission’s conclusions of law are reviewed de novo. McRae v. Toastmaster, Inc.,
    
    358 N.C. 488
    , 496, 
    597 S.E.2d 695
    , 701 (2004).
    II. Defendants’ Appeal
    Defendants challenge the Commission’s findings that (1) the brakes used by
    UPS at its Charlotte facility while Decedent was employed there contained asbestos
    and (2) Decedent was at an increased risk of asbestos exposure during his
    employment with UPS.        Defendants also argue that Plaintiff failed to present
    evidence that Decedent was not exposed to asbestos during his subsequent
    employments, and therefore, the Commission’s finding that Decedent’s last injurious
    exposure to asbestos occurred at UPS is also unsupported by the evidence. We
    disagree.
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    A. Injurious Exposure
    Defendants challenge the following findings of fact made by the Full
    Commission:
    9. Vernon Thomas Pond worked as a mechanic for
    defendant-employer from 1972 to 2003 in the same facility
    as decedent. Mr. Pond testified, based upon his work and
    experience as a mechanic, that all brake shoes he worked
    on while employed by defendant-employer contained
    asbestos.
    10. Bobby Bolin also worked for defendant-employer in
    mechanics, mostly performing maintenance on tractors
    and trailers. He began working for defendant-employer in
    or about 1967.      Mr. Bolin testified that the work
    environment was “pretty dusty” and, even though he knew
    brakes contained asbestos as early as 1967, he was not
    aware that asbestos dust “was bad” until the mid-1980s.
    Mr. Bolin testified that defendant-employer provided
    mechanics with masks to protect against dust exposure in
    the mid-1980s and restricted the blowing of dust in the
    shop, but other employees walking through the shop were
    not provided with protective masks.
    ...
    12. Based upon the preponderance of the evidence in view
    of the entire record, the Commission finds that the brakes
    utilized by defendant-employer in the maintenance of its
    trucks, tractors, and trailers contained asbestos. The
    competent and credible evidence of record demonstrates
    that such brakes contained asbestos from the mid-1960s
    until at least the mid-1980s and, to the extent the brakes
    continued to contain asbestos from the mid-1980s until
    decedent’s retirement, decedent was not supplied with a
    protective mask to curtail his exposure to asbestos fibers
    while in the shop.
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    Opinion of the Court
    ...
    23. Dr. Harpole testified that, although decedent did not
    have “a giant exposure” to the hazards of asbestos like
    someone who worked in an asbestos factory, being around
    aerosolized asbestos in the air daily, or even every few days
    over a period of years, led to significant asbestos exposure
    for decedent when he walked through defendant-
    employer’s shop.
    24. Dr. Harpole testified that decedent’s mesothelioma was
    caused by exposure to asbestos and, more likely than not,
    that decedent’s work for defendant-employer caused or
    significantly contributed to his development of
    mesothelioma.     He further testified that decedent’s
    exposure to asbestos in his employment with defendant-
    employer placed him at an increased risk, over that faced
    by the general public, for developing mesothelioma.
    25. Dr. Harpole’s opinions on causation and increased risk
    were based on his understanding that, although decedent
    did not perform brake work for defendant-employer, he did
    walk through the shop daily or every few days over the
    period of many years while brake jobs were being
    performed and brake dust was aerosolized. Dr. Harpole
    testified that if the mechanics were not “grinding” brakes,
    then it would make the causation and increased risk less
    likely, however, Dr. Harpole testified that, even if
    defendant-employer’s mechanics did not grind brakes, the
    use of compressed air aerosolized the asbestos fibers in the
    brakes, which would have been the key to decedent’s
    exposure.
    26. From 1957 until 1960, decedent served in the U.S.
    Navy as a machinist mate aboard a ship, the U.S.S.
    Uhlmann, and was likely exposed to the hazards of
    asbestos during that time. However, Dr. Harpole testified
    that decedent likely had a protracted exposure over time,
    which he explained “is much more of a risk for forming
    cancer than one giant exposure.” Dr. Harpole further
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    Opinion of the Court
    explained that the amount of plaque in decedent’s lungs
    suggested a longer-term exposure than what decedent
    would have experienced during his three to four years in
    the Navy.
    ...
    28. Dr. Barry Horn is a pulmonologist and critical care
    specialist with experience evaluating and treating
    asbestos-related diseases, including mesothelioma.
    Plaintiff tendered Dr. Horn as an expert in pulmonary
    medicine and asbestos-related diseases, including
    mesothelioma, without objection from defendants. Dr.
    Horn never personally evaluated decedent, but reviewed
    the medical records and deposition testimony related to
    this case and generated a written report summarizing his
    conclusions and opinions.
    29. Dr. Horn understood that decedent incurred asbestos
    exposure in his employment with defendant-employer
    when he walked through the maintenance areas of the shop
    twice each work day, when he presented for work and then
    when he left work at the end of his shift, over a period of
    decades. Dr. Horn further understood that the brake work
    in the shop decedent walked through did not involve
    “grinding,” but replacement work that would release
    asbestos fibers into the air for prolonged periods of time.
    30. Dr. Horn testified that, “to get mesothelioma, it
    requires remarkably little exposure to asbestos.” Dr. Horn
    explained that, even though residual brake dust contains
    anywhere between 1 and 10 percent of asbestos, that
    amount is still significant enough to cause mesothelioma.
    Dr. Horn testified, “When you blow out the dust, we’re
    talking about a lot of fibers in the air, so even if it’s one
    percent or less [than] one percent, we’re talking about a lot
    of fibers now.”
    31. Dr. Horn testified that an individual’s risk for
    developing asbestos-related illness is dose dependent,
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    meaning “[t]he more asbestos you inhale and retain in your
    lungs, the more likely you’ll develop an asbestos-related
    illness and that includes mesothelioma.”          Dr. Horn
    explained that, because decedent walked back and forth in
    defendant-employer’s premises and breathed asbestos
    fibers as a consequence of his job over a period of decades,
    his exposure to asbestos was a substantial contributing
    factor in his risk for developing mesothelioma.
    32. Dr. Horn further testified that decedent’s employment
    with defendant-employer placed him at an increased risk,
    over that faced by the general public, for the development
    of mesothelioma, because “the general public is not exposed
    to levels of asbestos that would have existed in [defendant-
    employer’s] facility” where brake repair was being
    performed.
    ...
    35. There was no question for Dr. Horn that the brake
    linings defendant-employer used in the 1960s, ‘70s, and
    ‘80s contained chrysotile asbestos. As he testified, these
    brake linings may also have contained the more potent
    form of tremolite, or amphibole, asbestos. Dr. Horn
    reviewed several publications during the course of his
    deposition that concluded that, regardless of whether
    brake linings contained amphibole asbestos, or only
    chrysotile asbestos, exposure to the asbestos dust of either
    form could cause mesothelioma, and he agreed with those
    conclusions. Dr. Horn also explained that all government
    agencies in the United States take the position that
    chrysotile asbestos, alone, can cause mesothelioma, and
    that the doses of chrysotile do not have to be extremely high
    to do so.
    36. As to “background” asbestos exposures, Dr. Horn
    agreed with Dr. Harpole that everyone receives some level
    of exposure, but testified that in order for him to conclude
    that someone has asbestos-related disease, their asbestos
    exposure has to be greater than background exposure.
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    37. Dr. Horn testified, and the Commission finds as fact,
    that decedent was clearly exposed to hazardous levels of
    asbestos during his Navy service, but decedent continued
    to have asbestos exposure thereafter while working for
    defendant-employer, and it was the latter exposure that
    either caused or substantially contributed to decedent’s
    development of mesothelioma.
    ...
    47. Dr. Roggli testified that the brake products that were
    likely in use by defendant-employer during decedent’s
    employment contained chrysotile asbestos, but it was his
    opinion that chrysotile asbestos from friction products
    could not cause mesothelioma. Dr. Roggli did allow,
    though, that exposure to chrysotile mined from Canada,
    which generally is contaminated with tremolite (a more
    potent amphibole type of asbestos) could cause
    mesothelioma.
    ...
    50. The Commission accords greater weight to the
    causation and increased risk opinions of Dr. Harpole and
    Dr. Horn over that of Mr. Agopsowicz and Dr. Roggli. Drs.
    Harpole and Horn have extensive experience specializing
    in the diagnosis and treatment of mesothelioma. Dr.
    Harpole served as decedent’s treating physician, which
    afforded him an opportunity to discuss directly with
    decedent his lifetime exposures to asbestos, and to form his
    opinions on causation and increased risk therefrom.
    Further, the Commission finds Dr. Horn’s opinions are
    well-reasoned, supported by research and a lifetime of
    study in the field of pulmonology, and in accord with those
    opinions of Dr. Harpole.
    51. The Commission finds Dr. Roggli’s opinions regarding
    an individual’s cumulative exposures to asbestos and risk
    of developing mesothelioma contradictory when applied to
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    Opinion of the Court
    decedent specifically and, therefore, assigns little weight to
    the expert opinions of Dr. Roggli. The Commission also
    assigns little weight to the testimony of Mr. Agopsowicz,
    who admits he is not qualified to render an opinion on
    causation in connection with decedent’s development of
    mesothelioma.
    52. The preponderance of the evidence in view of the entire
    record establishes that decedent was exposed to greater
    than background levels of asbestos during his service in the
    Navy in the 1950s and throughout his employment with
    defendant-employer from 1967 through 1998.
    53. Based on the preponderance of the evidence in view of
    the entire record, the Commission finds that decedent’s last
    injurious exposure to the hazards of asbestos occurred
    during his employment with defendant-employer.
    54. The preponderance of the evidence in view of the entire
    record establishes that decedent’s work for defendant-
    employer exposed him to a greater risk of contracting
    mesothelioma over the general public, due to his above-
    background levels of asbestos exposure in the course of his
    employment, and that such exposure was a significant
    contributing factor to his development of mesothelioma.
    55. The preponderance of the evidence in view of the entire
    record further establishes that mesothelioma caused or
    significantly contributed to decedent’s death.
    Defendants’ challenge to the weight the Commission assigned to testimony is beyond
    our scope of review. See Adams v. AVX Corp., 
    349 N.C. 676
    , 681, 
    509 S.E.2d 411
    , 414
    (1998) (“[O]n appeal, this Court ‘does not have the right to weigh the evidence and
    decide the issue on the basis of its weight. The court’s duty goes no further than to
    determine whether the record contains any evidence tending to support the finding.’
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    ” (quoting Anderson v. Lincoln Const. Co., 
    265 N.C. 431
    , 434, 
    144 S.E.2d 272
    , 274
    (1965)). Instead, we review the challenged findings only to determine whether they
    are supported by competent evidence. 
    Adams, 349 N.C. at 681
    , 509 S.E.2d at 414.
    The Commission’s findings are consistent with the witnesses’ testimonies and
    therefore are supported by competent evidence. Mr. Pond testified that he worked
    with UPS as a mechanic at the Charlotte facility from 1972 until 2003. He further
    testified that it was his knowledge that all brake pads, including those used by UPS
    during Decedent’s employment, contained asbestos, and that it was common practice
    for the mechanics to knock the brake drums on the floor and to use compressed air to
    clean the brake dust from the drums.             Mr. Bolin testified that it was his
    understanding that the brake pads used by UPS contained asbestos, and that it was
    not until the 1980s that UPS began providing protective masks—and then only to the
    mechanics. Both witnesses testified that they frequently saw Decedent in the shop
    where these brake jobs were performed.           Based on this testimony alone, the
    Commission’s findings that (1) the brakes used by UPS during Decedent’s
    employment contained asbestos and (2) Decedent was exposed to increased levels of
    asbestos beyond that of the general public are supported by competent evidence.
    The testimonies of Drs. Harpole and Horn, the medical experts called by
    Plaintiff, also provide competent evidence to support the Commission’s findings of
    fact. Defendants argue that their expert witnesses, Mr. Agopsowicz and Dr. Roggli,
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    Opinion of the Court
    offered testimony that contradicts the testimony of Plaintiff’s witnesses. However,
    as we mentioned above, it is not within this Court’s authority to reweigh the evidence
    and credibility of the witnesses. The Commission explicitly found that Plaintiff’s
    expert witnesses presented more credible testimony than Defendants’ expert
    witnesses, and, because the Commission is the sole judge of credibility, the
    Commission’s findings must stand. See, e.g., 
    Adams, 349 N.C. at 680
    , 509 S.E.2d at
    413 (“The Commission is the sole judge of the credibility of the witnesses and the
    weight to be given their testimony.” (citation omitted)).
    Accordingly, we hold that the Commission’s findings that while employed with
    UPS, Decedent was exposed to asbestos at levels above those of the general public
    and was injured as a result are supported by competent evidence.
    B. Last Injurious Exposure
    Defendants also challenge the Commission’s finding that Decedent’s last
    injurious exposure occurred while Decedent was employed by UPS.
    “In any case where compensation is payable for an occupational disease, the
    employer in whose employment the employee was last injuriously exposed to the
    hazards of such disease, and the insurance carrier, if any, which was on the risk when
    the employee was so last exposed under such employer, shall be liable.” N.C. Gen.
    Stat. § 97-57 (2015) (emphasis added).      The North Carolina Supreme Court, in
    Rutledge v. Tultex Corp., 
    308 N.C. 85
    , 
    301 S.E.2d 359
    (1983), explained that “[t]he
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    Opinion of the Court
    statutory terms ‘last injuriously exposed’ mean ‘an exposure which proximately
    augmented the disease to any extent, however slight.’ 
    308 N.C. at 89
    , 301 S.E.2d at
    362-63 (citation omitted). Therefore, the Court concluded that to succeed, a plaintiff
    need only show: “(1) that she has a compensable occupational disease and (2) that she
    was ‘last injuriously exposed to the hazards of such disease’ in [the] defendant’s
    employment.” 
    Id. at 89,
    301 S.E.2d at 362.
    The Commission found that “[t]here is no evidence of record that any of
    [Decedent’s subsequent] jobs exposed decedent to the hazards of asbestos.”
    Defendants concede that, as written, this finding is factually true. We note that this
    finding, in turn, is logically consistent with the Commission’s finding that Decedent’s
    last injurious exposure to asbestos occurred at UPS—because if there is no evidence
    of later exposure, the last exposure must necessarily have occurred at UPS.
    Defendants argue that it is precisely because there is no evidence of record
    regarding Decedent’s asbestos exposure at his subsequent employment that the
    Commission erred in finding that “decedent’s last injurious exposure to the hazards
    of asbestos occurred during his employment with defendant-employer.” Defendants
    argue that Plaintiff failed to carry the burden to present evidence that Decedent was
    not exposed to asbestos in his employment subsequent to his employment with UPS.
    Defendants’ argument is premised on the theory that in order for the
    Commission to find that Decedent’s last exposure was at UPS, it must first find, based
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    Opinion of the Court
    on specific evidence presented by Plaintiff, that Decedent was not later exposed at his
    subsequent employers.     We reject this argument based upon precedent and the
    legislative purpose of the Workers’ Compensation Act.
    Our courts have consistently held that the Workers’ Compensation Act “should
    be liberally construed so that the benefits under the Act will not be denied by narrow,
    technical or strict interpretation.” Stevenson v. City of Durham, 
    281 N.C. 300
    , 303,
    
    188 S.E.2d 281
    , 283 (1972) (citation omitted). Moreover, the purpose of the “last
    injurious exposure” doctrine is “to eliminate the need for complex and expensive
    litigation of the issue of relative contribution by each of several employments to a
    plaintiff’s occupational disease.” City of Durham v. Safety Nat. Cas. Corp., 196 N.C.
    App. 761, 764, 
    675 S.E.2d 393
    , 395 (2009). The doctrine provides a plaintiff with a
    reduced burden by requiring only a showing that the occupational exposure
    augmented a disease, “however slight[,]” as opposed to demonstrating how much each
    exposure resulted in the disease. See Rutledge, 308 N.C. at 
    89, 301 S.E.2d at 362
    .
    Defendants’ assertion that the Commission’s finding is not supported by the
    evidence misreads the Commission’s finding. The Commission found that there was
    no evidence that Decedent was exposed to asbestos during his subsequent
    employment, not, as Defendants argue, that there was no evidence regarding
    Decedent’s exposure during his subsequent employment. This distinction, however
    minor, is essential, as we are bound by the Commission’s findings when those findings
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    Opinion of the Court
    are supported by the evidence in the record. Here, the Commission’s finding that
    there is no evidence that Decedent was exposed to asbestos is supported by the record
    because there is no evidence that he was exposed to asbestos. Moreover, this finding
    supports the Commission’s finding that Decedent’s last injurious exposure to asbestos
    was while he was employed by UPS.
    In sum, we hold that in the absence of evidence that an employee was exposed
    to a hazardous material at subsequent employers, the burden shifts to the employer
    to produce some evidence of a subsequent exposure. Shifting the burden of production
    does not shift the burden of proof. But before the Commission can find that an
    employee was exposed to a hazardous condition at some subsequent employment, the
    record must include some evidence of exposure in that employment.
    In Hardin v. Motor Panels, Inc., 
    136 N.C. App. 351
    , 
    524 S.E.2d 368
    (2000), the
    plaintiff worked as a typist from 1988 until 1993 for the defendant-employer, during
    which time she began suffering from symptoms associated with overuse tendinitis of
    the arms. 
    Id. at 352,
    524 S.E.2d 370
    . The plaintiff resigned from her position and
    worked in several subsequent jobs, including at a department store, a fast food
    restaurant, and a gas and convenience store. 
    Id. at 352-53,
    524 S.E.2d at 370. Our
    Court held that the evidence in the record—the plaintiff’s job duties, medical evidence
    indicating a worsening of her condition, and the plaintiff’s own testimony that her
    symptoms were aggravated by her subsequent jobs—supported the Commission’s
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    Opinion of the Court
    finding that her last injurious exposure to carpal tunnel syndrome occurred while she
    worked with her subsequent employers, not while she worked with the defendant-
    employer. 
    Id. at 359-60,
    524 S.E.2d at 374.
    In contrast to Hardin, this Court in an unpublished decision, Richardson v.
    PCS Phosphate Co., 
    238 N.C. App. 198
    , 
    768 S.E.2d 64
    , 
    2014 WL 714977
    (2014)
    (unpublished), affirmed an opinion and award of the Commission finding that a
    plaintiff’s last injurious exposure to asbestos, which resulted in his diagnosis of
    mesothelioma, occurred during his time with the defendant-employer (“PCS”) and not
    at his subsequent employment (“East Group”).             The plaintiff worked for the
    defendant-employer, a phosphate products manufacturer, as a concentrator engineer
    before eventually rising to the rank of assistant mine manager. 
    Id. at *1-*2.
    The
    only finding by the Commission addressing the plaintiff’s subsequent employer
    stated:
    After retiring from PCS, [the] [p]laintiff began working for
    the East Group in 1995 on the same PCS job site. [The]
    [p]laintiff testified that in this position, he performed the
    same job duties as he had while employed as Assistant to
    the Mine Manager. [The] [p]laintiff does not believe that
    he was injuriously exposed to the hazards of asbestos while
    working for the East Group.
    
    Id. at *8.
    Our Court explained that “[b]esides [the] plaintiff’s own testimony that he
    performed essentially the same work at the same locations, there was no evidence
    presented as to whether asbestos was still present in the areas that [the] plaintiff
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    Opinion of the Court
    visited while working for the East Group, whether there was asbestos maintenance
    or abatement projects going on after 1995, whether [the] plaintiff’s activities in those
    same areas could have exposed him to asbestos after 1995, and no expert medical
    evidence linking [the] plaintiff’s work at the East Group with his mesothelioma.” 
    Id. at *8.
    This Court held, in the absence of evidence “establishing the nexus between
    [the] plaintiff’s continuing work at the PCS facility for the East Group and exposure
    to asbestos[,] . . . we are unable to conclude that the Full Commission erred in failing
    to find that [the] plaintiff’s ‘last injurious exposure’ occurred while he was working
    for the East Group.” 
    Id. at *8.
    Defendants’ appeal here, as the appeal in Richardson,
    challenges the Commission’s finding that a plaintiff’s last injurious exposure occurred
    with the defendant-employers. While Richardson is not binding authority, given the
    paucity of decisions regarding the issue before us, its reasoning is persuasive.
    The purpose of the Workers’ Compensation Act and our precedent support the
    Commission’s finding that, in the absence of evidence that Decedent was exposed to
    asbestos or any other substance causing mesothelioma during his subsequent
    employment, Decedent’s last injurious exposure to asbestos occurred at UPS. To
    require a plaintiff to present affirmative evidence that no exposure existed during all
    subsequent employment would impose a burden in stark conflict with purpose of the
    last injurious exposure doctrine and the general purpose of the Workers’
    Compensation Act.
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    Here, Plaintiff provided competent evidence that Decedent was injuriously
    exposed to asbestos during his employment with UPS and that his exposure
    contributed to his development of mesothelioma.          While there is no affirmative
    evidence proving a lack of exposure to asbestos in his subsequent employment,
    nothing in the evidence regarding his subsequent employment—as a van driver and
    a church and school employee—suggests any inference to the contrary. Without any
    such evidence, it would have been error for the Commission to find that Decedent was
    later exposed.
    We recognize that it is a plaintiff’s burden to prove his claim is compensable,
    see Henry v. A.C. Lawrence Leather Co., 
    231 N.C. 477
    , 479, 
    57 S.E.2d 760
    , 761 (1950),
    and hold that under the facts presented, Plaintiff has done so. Based on the record,
    and in the absence of any evidence establishing a nexus between Plaintiff’s
    subsequent employment and asbestos exposure, we conclude the Commission did not
    err in finding that Plaintiff’s last injurious exposure to asbestos was at UPS.
    III. Plaintiff’s Appeal
    Plaintiff argues that the Commission lacked jurisdiction to revise a
    determination made by a Deputy Commissioner in an opinion and award, when that
    issue was not raised by either party, and, assuming jurisdiction, that the Commission
    erred in calculating Plaintiff’s average weekly wage and maximum compensation
    rate. We hold the Commission had jurisdiction and properly calculated Plaintiff’s
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    average weekly wage, but did not make a determination as to the proper maximum
    compensation rate.
    A. Jurisdiction to Revise an Opinion and Award
    It is well-established in North Carolina that the Industrial Commission has
    the authority to review, modify, adopt, or reject the findings of fact found by a deputy
    commissioner. Brewer v. Powers Trucking Co., 
    256 N.C. 175
    , 182, 
    123 S.E.2d 608
    ,
    613 (1962). The Commission also has “the power to review the evidence, reconsider
    it, receive further evidence, rehear the parties or their representatives, and, if proper,
    to amend the award . . . .” 
    Id. at 182,
    123 S.E.2d at 613 (emphasis added). Inherent
    in these powers, our courts have long recognized the Full Commission’s authority to
    “strike [a] deputy commissioner’s findings of fact even if no exception was taken to
    the findings.” Keel v. H & V Inc., 
    107 N.C. App. 536
    , 542, 
    421 S.E.2d 362
    , 367 (1992).
    Plaintiff argues that this Court’s recent holding in Reed v. Carolina Holdings,
    __ N.C. App. __, 
    796 S.E.2d 102
    (2017), restricts the scope of issues the Commission
    may address on appeal from a deputy commissioner’s opinion and award. In Reed,
    we held that pursuant to Rule 701 of the North Carolina Industrial Commission we
    were without jurisdiction to address an argument raised, for the first time on appeal,
    by the defendant. Id. at __, 796 S.E.2d at 108. This holding, however, refers only to
    this Court’s jurisdiction to hear arguments not asserted, or ruled upon, below; it does
    not address the Commission’s authority to review, modify, or amend a deputy
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    commissioner’s opinion and award when an issue is not raised by the parties. The
    Commission’s authority under the Rules promulgated by the Commission has
    previously been addressed by the North Carolina Supreme Court. In Brewer, the
    Court explained that “these rules do not limit the power of the Commission to review,
    modify, adopt, or reject the findings of fact found by a Deputy Commissioner . . . .”
    256 N.C. at 
    182, 123 S.E.2d at 613
    . Accordingly, we hold that the Commission was
    well within its authority and therefore had jurisdiction to amend an aspect of the
    Deputy Commissioner’s opinion and award, even those not raised by either party on
    appeal.
    B. Average Weekly Wage
    “The determination of the plaintiff’s ‘average weekly wages’ requires
    application of the definition set forth in the Workers’ Compensation Act, and the case
    law construing that statute[,] and thus raises an issue of law, not fact.” Boney v.
    Winn Dixie, Inc., 
    163 N.C. App. 330
    , 331-32, 
    593 S.E.2d 93
    , 95 (2004) (internal
    quotation marks and citations omitted).       We therefore review the Commission’s
    calculation of Decedent’s average weekly wages de novo. 
    Id. at 331-32,
    593 S.E.2d at
    95.
    Section 97-2(5) of the North Carolina General Statutes “ ‘provides a hierarchy’
    of five methods of computing the average weekly wages[.]” McAninch v. Buncombe
    Cty. Schools, 
    347 N.C. 126
    , 130, 
    489 S.E.2d 375
    , 378 (1997) (citation omitted). “The
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    five methods are ranked in order of preference, and each subsequent method can be
    applied only if the previous methods are inappropriate.” Tedder v. A & K Enterprises,
    
    238 N.C. App. 169
    , 174, 
    767 S.E.2d 98
    , 102 (2014) (citation omitted). Section 97-2(5)
    states in relevant part:
    [Method 1] “Average weekly wages” shall mean the
    earnings of the injured employee in the employment in
    which the employee was working at the time of the injury
    during the period of 52 weeks immediately preceding the
    date of the injury, . . . divided by 52;
    ...
    [Method 2] if the injured employee lost more than seven
    consecutive calendar days at one or more times during such
    period, although not in the same week, then the earnings
    for the remainder of such 52 weeks shall be divided by the
    number of weeks remaining after the time so lost has been
    deducted.
    ...
    [Method 3] Where the employment prior to the injury
    extended over a period of fewer than 52 weeks, the method
    of dividing the earnings during that period by the number
    of weeks and parts thereof during which the employee
    earned wages shall be followed; provided, results fair and
    just to both parties will be thereby obtained.
    ...
    [Method 4] Where, by reason of a shortness of time during
    which the employee has been in the employment of his
    employer or the casual nature or terms of his employment,
    it is impractical to compute the average weekly wages as
    above defined, regard shall be had to the average weekly
    amount which during the 52 weeks previous to the injury
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    was being earned by a person of the same grade and
    character employed in the same class of employment in the
    same locality or community.
    ...
    [Method 5] But where for exceptional reasons the foregoing
    would be unfair, either to the employer or employee, such
    other method of computing average weekly wages may be
    resorted to as will most nearly approximate the amount
    which the injured employee would be earning were it not
    for the injury.
    N.C. Gen. Stat. § 97-2 (2015). “The final method, as set forth in the last sentence,
    clearly may not be used unless there has been a finding that unjust results would
    occur by using the previously enumerated methods.” 
    McAninch, 347 N.C. at 130
    , 489
    S.E.2d at 378 (citation omitted).
    The first three methods calculate the average weekly wages for an employee
    based on the employee’s actual employment with the employer in the 52-week time
    period immediately preceding the date of injury. Here, the Commission determined,
    and we agree, that these methods are inappropriate because of the length of time
    between Decedent’s employment and his diagnosis. The Commission found that
    Decedent’s date of injury1 was 8 February 2013, and that Decedent had not worked
    for UPS at any time in the 52 weeks immediately prior this date.
    1 The Commission correctly notes that “the date of diagnosis” with regard to an occupational
    disease constitutes the “date of injury[,]” for the purposes of calculating average weekly wages. See
    Pope v. Manville, 
    207 N.C. App. 157
    , 168-69, 
    700 S.E.2d 22
    , 30 (2010).
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    Regarding the fourth method, the Commission found that “[t]he record
    contains no evidence by which calculation of decedent’s average weekly wage can be
    made . . . .” This determination makes sense because the fourth method applies to
    employees who worked for only a short time for the defendant employer. Decedent
    worked for UPS for thirty years and had not worked for them in the fifteen years
    immediately prior to his diagnosis.
    The Commission then found, consistent with the requirements of 
    McAninch, 347 N.C. at 130
    , 489 S.E.2d at 378, that because “the first four statutory methods for
    calculating average weekly wage are either inapplicable or would produce a result
    that is not fair and just to both parties . . . the Commission finds that it is appropriate
    to use the fifth method to calculate average weekly wage.”                  We agree with the
    Commission’s findings.
    The Commission, in applying the fifth method, sought to determine a way to
    produce a result that “most accurately reflects the wages decedent would have
    continued to earn, but for his diagnosis with mesothelioma, and [that] is fair and just
    to both parties.” The Commission looked at Decedent’s earnings for 2012 from his
    employment with Union County—$4,272.92—which were evidenced by Decedent’s
    Social Security Earnings Statement.2 The Commission then divided this amount by
    52 weeks and obtained an average weekly wage of $82.17 with a resulting
    2  Decedent’s Social Security Earnings Statement includes Decedent’s earnings for the years
    prior to his diagnosis, which indicate a decline in earing from 2008, $9,774.78, to 2012, $4,272.92.
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    compensation rate of $54.78 for Decedent.          Decedent’s Social Security Earnings
    Statement is competent evidence that supports the Commission’s findings, and
    therefore, we are bound by such findings on appeal.
    Plaintiff argues that this calculation of average weekly wages is improper
    because it does not reflect Decedent’s 2012 part-time post-retirement earning
    capacity. We reject this argument. Section 97-2 explicitly provides that the weekly
    calculation using the fifth method should “most nearly approximate the amount
    which the injured employee would be earning were it not for the injury[,]” not what
    the injured employee could be earning. N.C. Gen. Stat. § 97-2. Because there was
    evidence in the record of Decedent’s actual earnings in the years prior to his
    diagnosis, the Commission’s findings are supported by such evidence, and we affirm
    the Commission’s calculation of Decedent’s average weekly wages.
    C. Maximum Compensation Rate
    It is well established in North Carolina that “it is the duty and responsibility
    of the full Commission to decide all of the matters in controversy between the parties.”
    Hurley v. Wal-Mart Stores, Inc., 
    219 N.C. App. 607
    , 613, 
    723 S.E.2d 794
    , 797 (2012)
    (internal quotation marks and citation omitted) (emphasis added). Plaintiff’s appeal
    to the Full Commission challenged the Deputy Commissioner’s determination of the
    maximum compensation rate, but the Commission did not decide that issue.
    However, the average weekly wage calculated by the Commission fell far below the
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    PENEGAR V. UNITED PARCEL SERV.
    Opinion of the Court
    maximum compensation rate, so that Plaintiff’s award was not subject to any
    limitation by the latter. Because we affirm the Commission’s calculation of the
    average weekly wage, and because the calculated average weekly wage falls far short
    of any of the argued maximum compensation rates, Plaintiff’s appeal of the issue is
    moot.     Accordingly, we dismiss as moot Plaintiff’s appeal of the maximum
    compensation rate.
    Conclusion
    For the foregoing reasons, we affirm the Commission’s finding of fact that
    Decedent’s last injurious exposure to asbestos occurred while Decedent was employed
    by UPS and we affirm the Commission’s recalculation of Decedent’s average weekly
    wage. We dismiss as moot Plaintiff’s appeal regarding the determination of the
    maximum compensation rate.
    AFFIRMED IN PART AND DISMISSED IN PART.
    Judges ELMORE and DIETZ concur.
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