View source for United Brotherhood of Carpenters and Joiners of America

{{#seo:
|title=United Brotherhood of Carpenters and Joiners of America: History, Structure & Asbestos Exposure
|description=The UBCJA — founded 1881 in Chicago — is one of North America's largest building-trades unions. Many members encountered asbestos building American industry.
|keywords=UBCJA, United Brotherhood of Carpenters, carpenters union asbestos, UBC mesothelioma, carpenters and joiners asbestos, UBCJA history, McCarron carpenters
|author=Larry Gates, Senior Client Advocate, Danziger & De Llano
|published_time=2026-03-04
}}
{| class="infobox" style="width:300px; float:right; margin:0 0 1em 1em; border:2px solid #1a5276; border-radius:8px; overflow:hidden;"
|-
! colspan="2" style="background:#1a5276; color:white; padding:12px; font-size:1.1em; text-align:center;" | United Brotherhood of Carpenters and Joiners of America
|-
| colspan="2" style="padding:10px; text-align:center; font-style:italic;" | One of North America's largest building-trades unions
|-
| style="padding:10px; font-weight:bold; width:45%; border-bottom:1px solid #dee2e6;" | Abbreviation
| style="padding:10px; border-bottom:1px solid #dee2e6;" | UBCJA / UBC
|-
| style="padding:10px; font-weight:bold; border-bottom:1px solid #dee2e6;" | Founded
| style="padding:10px; border-bottom:1px solid #dee2e6;" | August 12, 1881 — Chicago, Illinois
|-
| style="padding:10px; font-weight:bold; border-bottom:1px solid #dee2e6;" | Founders
| style="padding:10px; border-bottom:1px solid #dee2e6;" | Peter J. McGuire and Gustav Luebkert
|-
| style="padding:10px; font-weight:bold; border-bottom:1px solid #dee2e6;" | General President
| style="padding:10px; border-bottom:1px solid #dee2e6;" | Douglas J. McCarron (since 1995)
|-
| style="padding:10px; font-weight:bold; border-bottom:1px solid #dee2e6;" | Membership
| style="padding:10px; border-bottom:1px solid #dee2e6;" | ~445,870 (DOL LM-2)
|-
| style="padding:10px; font-weight:bold; border-bottom:1px solid #dee2e6;" | Headquarters
| style="padding:10px; border-bottom:1px solid #dee2e6;" | 101 Constitution Avenue NW, Washington, DC 20001
|-
| style="padding:10px; font-weight:bold; border-bottom:1px solid #dee2e6;" | Affiliation
| style="padding:10px; border-bottom:1px solid #dee2e6;" | Independent — disaffiliated from AFL-CIO in 2001
|-
| style="padding:10px; font-weight:bold; border-bottom:1px solid #dee2e6;" | Crafts represented
| style="padding:10px; border-bottom:1px solid #dee2e6;" | Carpenters, Floor Coverers, Interior Systems, Lathers, Millworkers & Cabinetmakers, Millwrights, Pile Drivers, Residential & Framing
|-
| style="padding:10px; font-weight:bold; border-bottom:1px solid #dee2e6;" | Regional structure
| style="padding:10px; border-bottom:1px solid #dee2e6;" | Regional councils in the United States and Canada
|-
| style="padding:10px; font-weight:bold; " | Website
| style="padding:10px;" | carpenters.org
|-
| colspan="2" style="background:#1a5276; padding:10px; text-align:center;" | <span data-nosnippet class="noai-content">[https://dandell.com/contact-us/ <span style="color:white; font-weight:bold;">Free Case Review →</span>]</span>
|}

== Executive Summary ==

The '''United Brotherhood of Carpenters and Joiners of America''' (UBCJA, often abbreviated UBC) is one of the oldest and largest building-trades unions in North America. According to its constitutional record and historical accounts, the union was chartered in '''Chicago on August 12, 1881''' by '''Peter J. McGuire''' and '''Gustav Luebkert''', and it grew rapidly to become a foundational pillar of the American labor movement.<ref name="ubcja-wiki" /><ref name="mcguire-wiki" /> Today the UBCJA represents carpenters, millwrights, pile drivers, floor coverers, lathers, interior-systems mechanics, millworkers, cabinetmakers, and residential framers — '''eight distinct crafts in all''' — and operates through a network of regional councils across the United States and Canada.<ref name="ubcja-about" />

UBCJA members built modern industrial America. From the railroad bridges of the late 19th century to the steel-frame skyscrapers of the 20th, from Gulf Coast refineries to nuclear power plants, carpenters and millwrights affiliated with the Brotherhood put up the formwork, the scaffolding, the interior finishes, and the equipment installations that made American industry possible. For most of that history — particularly the decades from the 1940s through the early 1980s — the materials supplied to job sites included pervasive asbestos-containing products: joint compound, floor tile, ceiling tile, acoustical plaster, transite board, adhesives, caulks, and asbestos-laden insulation on the steam and process piping carpenters routinely worked beside.<ref name="dandell-exposure" />

The union did not manufacture, sell, or specify those products. Asbestos-containing building materials were chosen by architects, specified by contractors, and supplied by manufacturers who knew of the hazard decades before they warned the trades.<ref name="osha-asbestos" /> UBCJA members worked with what the industry put on the job site. Today, retired UBCJA carpenters and their families are diagnosed with [[Mesothelioma|mesothelioma]], [[Asbestos Related Lung Cancer|asbestos-related lung cancer]], and [[Asbestosis|asbestosis]] at elevated rates that reflect this exposure history — and compensation is available through asbestos bankruptcy trusts and product-manufacturer claims '''without suing the union or the contractor'''.<ref name="dandell-trusts" /> This page documents the UBCJA's founding, structure, jurisdiction, and the exposure history its members carry from a century of building American industry.

== At-a-Glance ==

'''The United Brotherhood of Carpenters and Joiners of America at a glance:'''

* '''Chartered August 12, 1881''' in Chicago by Peter J. McGuire and Gustav Luebkert<ref name="ubcja-wiki" />
* '''Peter J. McGuire (1852–1906)''' — UBCJA co-founder, AFL Secretary (1886–1889), AFL First Vice-President (1890–1900), credited with first proposing Labor Day as a national holiday in 1882<ref name="mcguire-wiki" />
* '''Eight crafts represented''' — Carpenters, Floor Coverers, Interior Systems, Lathers, Millworkers & Cabinetmakers, Millwrights, Pile Drivers, and Residential & Framing<ref name="ubcja-about" />
* '''~445,870 members''' per the most recent U.S. Department of Labor LM-2 filing on record<ref name="ubcja-wiki" />
* '''Disaffiliated from the AFL-CIO in 2001''' under General President Douglas J. McCarron<ref name="ubcja-wiki" />
* '''Headquartered at 101 Constitution Avenue NW, Washington, DC 20001''' — the historic Carpenters Building<ref name="ubcja-contact" />
* '''Douglas J. McCarron''' — General President since 1995, re-elected unchallenged through 2010<ref name="mccarron-wiki" />
* '''PMR 397 for mesothelioma in carpenters''' — 34 to 50 times the general-population rate (NIOSH occupational mortality surveillance)<ref name="mlc-carpenters" />
* '''97% of carpenter mesothelioma cases occupationally attributable''' per British epidemiological research<ref name="mesonet-construction" />
* '''$30+ billion remains''' in asbestos bankruptcy trusts paying claims to carpenters and their families without litigation<ref name="dandell-trusts" />

== When and how was the UBCJA founded? ==

The UBCJA was founded at a national convention of carpenters' unions held in '''Chicago in August 1881'''. Wikipedia's history of the union dates the founding to '''August 12, 1881'''; a parallel biographical account of co-founder Peter J. McGuire dates the action to '''August 8, 1881'''.<ref name="ubcja-wiki" /><ref name="mcguire-wiki" /> The two dates likely reflect the convention's opening session and the formal adoption of the founding constitution. What is undisputed is that the union was the work of two men: '''Peter J. McGuire''' (1852–1906), a self-taught Irish-American labor organizer from New York, and '''Gustav Luebkert''', a German-American carpenter based in Chicago.<ref name="mcguire-wiki" />

McGuire's significance to American labor extends well beyond the Brotherhood. He served as Secretary of the American Federation of Labor (AFL) from 1886 to 1889 and as First Vice-President from 1890 to 1900, and he is credited with '''first proposing Labor Day as a national holiday in 1882'''.<ref name="mcguire-wiki" /> The early UBCJA constitution demanded an '''8-hour workday''' — a demand that shaped the entire late-19th and early-20th-century labor movement. By 1900 the Brotherhood was one of the largest unions in the United States, having absorbed numerous independent carpenters' locals; the "Joiners" in the union's name reflects an early merger with joiners' (interior finish carpenters') locals.

== How is the UBCJA structured? ==

The UBCJA operates on a '''three-tier organizational model''':

* '''International (headquarters):''' Sets union-wide policy, administers benefit funds and apprenticeship standards, negotiates national agreements with major industrial contractors, and represents the membership in Washington. The International is headquartered at 101 Constitution Avenue NW, Washington, DC 20001 — the historic '''Carpenters Building''', a marble structure completed in 1926 just steps from the U.S. Capitol.<ref name="ubcja-contact" /><ref name="ubcja-wiki" />
* '''Regional councils:''' The intermediate tier. A regional council aggregates member locals across a defined geographic area, coordinates training and organizing, and handles contract enforcement. Examples include the [[Southern Regional Council of Carpenters]] (eleven Southern states including Texas and Louisiana), the New England Regional Council of Carpenters, the Northeast Regional Council of Carpenters, and the Pacific Northwest Regional Council of Carpenters.<ref name="srcc-about" />
* '''Local unions:''' The members' direct home. Locals such as [[Carpenters Local Union 551]] (Pasadena, Texas) administer day-to-day member services — dispatch, dues, grievances, apprentice supervision — within a defined territory. Each local is affiliated with one regional council and through that council with the International.

In 2001, under the leadership of General President '''Douglas J. McCarron''', the UBCJA '''disaffiliated from the AFL-CIO''', citing complaints that the federation was failing to follow through on programs to organize the unorganized.<ref name="ubcja-wiki" /> The Brotherhood has operated as an independent international union since.

== Who leads the UBCJA today? ==

'''Douglas J. McCarron''' has served as the UBCJA's '''General President since 1995'''. According to the public biographical record, McCarron was re-elected '''in 2000 with more than 90 percent of the vote''', and was re-elected again in '''2005 and 2010''', running unchallenged in both later conventions.<ref name="mccarron-wiki" /> McCarron's tenure has been the longest of any UBCJA General President in the union's modern era, and his decisions — including the 2001 AFL-CIO disaffiliation and the consolidation of independent locals into larger regional councils — have shaped the organization more than any other postwar leadership.

The UBCJA's day-to-day leadership also includes a General Vice President, a General Secretary-Treasurer, and an Executive Committee, plus the elected leadership of each regional council and member local.

== What crafts does the UBCJA represent? ==

The UBCJA's official organizational map identifies '''eight crafts''' that comprise the union's membership:<ref name="ubcja-about" />

* '''Carpenters (General)''' — rough and finish carpentry, formwork, framing, and trim work across commercial, industrial, and residential construction
* '''Floor Coverers''' — installation of resilient flooring (vinyl, asbestos tile in the relevant historical period, modern vinyl composition tile), carpet, hardwood, and specialty flooring
* '''Interior Systems''' — drywall, metal-framed partitions, acoustical ceilings, and interior buildout
* '''Lathers''' — installation of metal lath and stucco substrates, primarily in commercial and institutional construction
* '''Millworkers & Cabinetmakers''' — shop-fabricated cabinetry, architectural millwork, and custom woodwork
* '''Millwrights''' — installation, alignment, and maintenance of industrial machinery and equipment, including refinery process equipment, paper-mill rolls, power-generation turbines, and conveyor systems
* '''Pile Drivers''' — driven pile, sheet pile, marine pile, and heavy foundation work in port, bridge, and waterfront construction
* '''Residential & Framing''' — single-family and multi-family residential framing, including light-gauge framing for apartment construction

Each craft carries its own asbestos exposure profile. Joint compound and ceiling work define the interior systems and general carpenter exposure picture; floor-covering installation through the 1970s involved [[Vinyl Asbestos Tile]] (VAT) and asbestos-containing mastic; millwrights installed equipment lagged with asbestos insulation; pile drivers worked shipyards and ports where asbestos insulation was pervasive on adjacent shipboard piping.

== Apprenticeship and training ==

The UBCJA operates one of the most extensive private-sector apprenticeship systems in North America. Training is administered with contractor associations through the '''Joint Apprenticeship and Training Committee''' (JATC) program. UBCJA apprentices complete '''four-year registered apprenticeships''' combining paid on-the-job training with classroom instruction at union training centers across the United States and Canada, and the International operates a centralized '''UBC International Training Center''' in Las Vegas, Nevada for advanced and instructor training.<ref name="ubcja-about" /> Modern apprentices train under post-1980s safety standards — OSHA's 0.1 f/cc asbestos PEL, mandatory respiratory protection during disturbance of suspect material, and licensed-abatement protocols — and face only a small fraction of the asbestos exposure their grandfathers did.

== UBCJA in the Gulf Coast and the petrochemical corridor ==

The UBCJA's regional council model is particularly important along the '''Gulf Coast of Texas and Louisiana''', where the [[Southern Regional Council of Carpenters]] coordinates locals across one of the most industrialized regions in the United States — Texas's [[Houston Ship Channel]], Texas City refinery row, the Beaumont–Port Arthur–Orange Golden Triangle, the Freeport petrochemical complex, the Corpus Christi refinery cluster, and Louisiana's "Cancer Alley" between Baton Rouge and New Orleans.

UBCJA carpenters affiliated with SRCC locals such as [[Carpenters Local Union 551]] (Pasadena, Texas) built and maintained these facilities through the peak asbestos era (roughly 1945–1985). On Gulf Coast refinery construction and during scheduled turnarounds, they worked alongside [[Pipefitters Local Union 211]], [[Insulators Local 22]], and [[Boilermakers Local 74]] in tight quarters where asbestos pipe insulation, gaskets, and equipment lagging generated pervasive fiber contamination — the bystander exposure pattern that puts Gulf Coast carpenters' mesothelioma rates close to the rates of the directly insulating trades.

== Asbestos and the building trades ==

For roughly four decades — from World War II through the early 1980s — asbestos was a default ingredient in American building materials. UBCJA carpenters encountered it across five overlapping product categories:<ref name="dandell-exposure" /><ref name="mesonet-construction" />

* '''Joint compound and drywall finishing''' — pre-mixed compounds from '''USG, Georgia-Pacific, National Gypsum, and Kaiser Gypsum''' contained '''3 to 15 percent chrysotile asbestos''' through approximately 1977; sanding (especially with power tools) generated airborne fibers at every coat.
* '''Ceiling tiles and acoustical applications''' — suspended ceiling tiles contained '''10 to 30 percent asbestos''', and spray-on "popcorn" textures reached '''up to 80 percent'''.
* '''Vinyl asbestos tile (VAT) and floor adhesives''' — the standard resilient floor product in commercial and industrial buildings through the 1970s; cutting, fitting, and asbestos-containing mastic application generated fiber exposure.
* '''Transite and asbestos cement board''' — used for siding, soffits, ductwork, and industrial cladding; cutting or drilling released high fiber concentrations.
* '''Caulks, adhesives, and acoustical sealants''' — frequently contained asbestos as a filler.

In addition to direct exposure, UBCJA carpenters worked '''alongside insulators, pipefitters, and boilermakers''' who were disturbing asbestos pipe insulation, block insulation, gaskets, and refractory. This '''bystander exposure''' — well-documented in the industrial-hygiene literature — meant a carpenter framing a control building at a refinery or installing floor tile in a power station inhaled the same fibers as the insulator working ten feet away.<ref name="osha-asbestos" />

== Health impact: what the research shows ==

The clinical and epidemiological literature on carpenters and mesothelioma is extensive — and consistently alarming. Highlights documented on the [[Carpenters]] page include:

* '''Proportionate Mortality Ratio (PMR) of 397''' for mesothelioma in carpenters — '''34 to 50 times''' the general-population rate, as documented in NIOSH occupational mortality surveillance.<ref name="mlc-carpenters" />
* '''97% occupational attribution''' — British researchers established that virtually all carpenter mesothelioma cases result from workplace exposure rather than environmental or domestic sources.<ref name="mesonet-construction" />
* '''Odds ratio of 50.0''' for carpenters with more than 10 years of asbestos exposure before age 30, rising to '''99.7''' for those who started before age 20 and accumulated 20+ years of exposure (Peto et al., British Journal of Cancer).<ref name="dandell-construction" />
* '''20–50 year latency''' between first exposure and mesothelioma diagnosis — carpenters who began work in the 1960s and 1970s are being diagnosed in the 2020s.<ref name="latency-study" />

For the full statistical record — product-by-product asbestos content, attributable-risk percentages, and detailed exposure metrics — see the [[Carpenters]] occupational page, which serves as the clinical reference for the trade.

== Compensation options for UBCJA members ==

A retired UBCJA carpenter or surviving family member diagnosed with mesothelioma, asbestos-related lung cancer, or asbestosis has access to multiple compensation channels — '''none of which involve suing the union, the contractor, or the building owner'''.<ref name="dandell-trusts" />

'''Asbestos bankruptcy trust funds.''' More than 60 manufacturers of asbestos-containing joint compound, ceiling tile, floor tile, transite, and adhesives have entered bankruptcy and established trusts to pay current and future claims. Over '''$30 billion remains''' in these trusts. The single largest source for joint-compound exposure claims is the [[United States Gypsum]] Asbestos Personal Injury Settlement Trust ('''$3.95 billion'''), with additional trusts from National Gypsum, Kaiser Gypsum, Owens Corning, and GAF/Ruberoid.<ref name="mlc-trusts" />

'''Personal injury claims against solvent manufacturers.''' Manufacturers that produced asbestos-containing products and remain solvent can be sued in state civil court. In Texas, the two-year personal-injury limitations period runs '''from the date of mesothelioma diagnosis''', not from the date of exposure.<ref name="dandell-statute" />

'''VA disability and DIC benefits.''' UBCJA members with U.S. military service — particularly Navy and Merchant Marine veterans who served as shipboard carpenters — may qualify for '''100% VA disability''' if mesothelioma is service-connected, plus Dependency and Indemnity Compensation (DIC) for surviving spouses.<ref name="dandell-veterans" />

A typical UBCJA carpenter with confirmed mesothelioma and a multi-employer work history can recover '''$1 million to $2 million through the trust system alone''', with additional recovery available from solvent-defendant lawsuits and, for veterans, ongoing VA benefits.<ref name="dandell-settlements" />

<span data-nosnippet class="noai-content">
'''A note on the UBCJA and Danziger & De Llano.''' Senior Client Advocate '''Larry Gates''' at Danziger & De Llano has spent his career working with Gulf Coast building-trades retirees and their families. His father, Dan Gates, worked the Shell refinery in Pasadena, Texas and died of mesothelioma in 1999. UBCJA carpenters, millwrights, and pile drivers — or their family members — who want to talk through trust filings, lawsuits, or VA benefits can reach the firm at (866) 222-9990 or at [https://dandell.com/advocates/larry-gates/ dandell.com].
</span>

== Resources for UBCJA members and retirees ==

* '''[https://www.carpenters.org/ UBCJA International]''' — official union website; entry point for local-finder, training resources, and benefits information
* '''[https://dandell.com/ Danziger & De Llano]''' — Texas-based mesothelioma firm representing Gulf Coast building-trades retirees since 1996. Free case review at '''(866) 222-9990'''
* '''[https://dandell.com/advocates/larry-gates/ Larry Gates, Senior Client Advocate]''' — D&D senior advocate with deep roots in the Gulf Coast refinery community
* '''[https://mesothelioma.net/asbestos-exposure/construction-workers/ Mesothelioma.net — Construction Workers]''' — overview of asbestos exposure across the building trades
* '''[https://www.osha.gov/asbestos OSHA — Asbestos]''' — current federal asbestos standard for construction and general industry

== Related Pages ==

* [[Carpenters]] — full clinical and occupational risk profile for the carpentry trade
* [[Southern Regional Council of Carpenters]] — UBCJA regional council covering eleven Southern states
* [[Carpenters Local Union 551]] — UBCJA-affiliated local in Pasadena, Texas, on the Houston Ship Channel
* [[Pipefitters Local Union 211]] — Gulf Coast pipefitters local, frequent jobsite neighbor to UBCJA carpenters
* [[Insulators Local 22]] — Gulf Coast insulators local; trade most responsible for disturbing asbestos insulation
* [[Boilermakers Local 74]] — Gulf Coast boilermakers local
* [[Construction Workers]] — overall construction-trades asbestos exposure profile
* [[Asbestos Trust Funds]] — overview of the bankruptcy trust compensation system
* [[Mesothelioma Lawsuits]] — civil litigation against solvent asbestos product manufacturers
* [[Secondary Asbestos Exposure]] — take-home and family asbestos exposure pathways
* [[Occupational Exposure Index]] — full index of asbestos-exposure occupations

{{Statute Warning}}

== References ==

<references>
<ref name="ubcja-wiki">[https://en.wikipedia.org/wiki/United_Brotherhood_of_Carpenters_and_Joiners_of_America United Brotherhood of Carpenters and Joiners of America], Wikipedia (founding August 12, 1881 in Chicago; founders Peter J. McGuire and Gustav Luebkert; ~445,870 members per DOL records; 2001 AFL-CIO disaffiliation)</ref>
<ref name="mcguire-wiki">[https://en.wikipedia.org/wiki/Peter_J._McGuire Peter J. McGuire], Wikipedia (1852–1906; UBCJA co-founder August 8, 1881; AFL Secretary 1886–1889 and First Vice-President 1890–1900; Labor Day proposal 1882)</ref>
<ref name="mccarron-wiki">[https://en.wikipedia.org/wiki/Douglas_J._McCarron Douglas J. McCarron], Wikipedia (UBCJA General President since 1995; re-elected 2000, 2005, and 2010)</ref>
<ref name="ubcja-about">[https://www.carpenters.org/about/ About the UBCJA], United Brotherhood of Carpenters and Joiners of America (eight crafts: Carpenters, Floor Coverers, Interior Systems, Lathers, Millworkers & Cabinetmakers, Millwrights, Pile Drivers, Residential & Framing; International Training Center in Las Vegas)</ref>
<ref name="ubcja-contact">[https://www.carpenters.org/contact-us/ Contact Us], United Brotherhood of Carpenters and Joiners of America (international headquarters at 101 Constitution Avenue NW, Washington, DC 20001)</ref>
<ref name="srcc-about">[https://southernrcc.org/ Southern Regional Council of Carpenters], SRCC (UBCJA regional council; eleven Southern states; Executive Secretary-Treasurer and CEO Kavin Griffin)</ref>
<ref name="dandell-exposure">[https://dandell.com/asbestos-exposure/ Asbestos Exposure Lawyers], Danziger & De Llano</ref>
<ref name="dandell-construction">[https://dandell.com/asbestos-exposure/construction-workers/ Construction Worker Asbestos Exposure], Danziger & De Llano</ref>
<ref name="dandell-trusts">[https://dandell.com/mesothelioma/mesothelioma-asbestos-trust-fund-payouts/ Mesothelioma Asbestos Trust Fund Payouts], Danziger & De Llano</ref>
<ref name="dandell-settlements">[https://dandell.com/settlements/ Mesothelioma Settlements], Danziger & De Llano</ref>
<ref name="dandell-statute">[https://dandell.com/mesothelioma-lawsuit/statute-of-limitations/ Mesothelioma Statute of Limitations], Danziger & De Llano</ref>
<ref name="dandell-veterans">[https://dandell.com/veterans/ Veterans Mesothelioma Benefits], Danziger & De Llano</ref>
<ref name="mlc-carpenters">[https://www.mesotheliomalawyercenter.org/asbestos-exposure/occupations/carpenters/ Carpenters and Asbestos Exposure], Mesothelioma Lawyer Center</ref>
<ref name="mlc-trusts">[https://www.mesotheliomalawyercenter.org/compensation/trust-funds/ Asbestos Trust Funds], Mesothelioma Lawyer Center</ref>
<ref name="mesonet-construction">[https://mesothelioma.net/asbestos-exposure/construction-workers/ Construction Workers and Asbestos], Mesothelioma.net</ref>
<ref name="osha-asbestos">[https://www.osha.gov/asbestos Asbestos], Occupational Safety and Health Administration (OSHA)</ref>
<ref name="latency-study">Lacourt A, Leffondré K, Gramond C, et al. [https://pubmed.ncbi.nlm.nih.gov/22075480/ Temporal patterns of occupational asbestos exposure and risk of pleural mesothelioma], Eur Respir J, 2012;39(6):1304-12 (PMID 22075480)</ref>
</references>

[[Category:Labor Unions]]
[[Category:Building Trades]]
[[Category:Carpenters]]
[[Category:Occupational Exposure]]
[[Category:Occupational Asbestos Exposure]]
[[Category:Mesothelioma Risk Occupations]]
[[Category:Asbestos Exposure]]