Asbestos Exposure at Memorial Hospital of Union County — What Tradesmen Need to Know

⚠️ OHIO FILING DEADLINE WARNING — ACT NOW

Ohio law gives you exactly two years from the date of your diagnosis to file a lawsuit under Ohio Revised Code § 2305.10. That deadline does not pause, extend, or make exceptions. If you or a family member has been diagnosed with mesothelioma, asbestosis, or another asbestos-related disease after working at Memorial Hospital of Union County or any other Ohio job site, the clock is already running. Call an asbestos attorney Ohio today — not next week, not after the holidays. Today.

Trust fund claims operate on a separate track, and most asbestos bankruptcy trusts do not impose a strict filing deadline — but trust assets are finite and deplete as claims are paid. Every month of delay reduces the pool available to you. In Ohio, you can pursue both a civil lawsuit and asbestos trust fund claims simultaneously, maximizing your potential recovery through an experienced mesothelioma lawyer Ohio. There is no reason to wait.

A Community Hospital with Industrial-Scale Hazards

Memorial Hospital of Union County in Marysville, Ohio served the region for decades as the county’s primary medical facility. For boilermakers, pipefitters, insulators, and maintenance workers who kept its mechanical systems running, that building may have been a source of decades of unprotected asbestos exposure.

Hospitals built or expanded between the 1930s and 1980s ranked among the most asbestos-intensive construction projects in American industry. They ran continuous heating and steam distribution systems, required high-temperature insulation on miles of pipe, used spray-applied fireproofing on structural steel, and demanded near-constant mechanical maintenance. Memorial Hospital of Union County, like virtually every comparable Ohio facility of its era, reportedly relied on asbestos-containing materials throughout its boiler plant, pipe systems, and building envelope — products manufactured by Johns-Manville, Owens-Corning, W.R. Grace, Armstrong World Industries, and Combustion Engineering.

Union County sits within the broader Central Ohio industrial corridor. Many of the tradesmen who worked at Memorial Hospital of Union County also rotated through larger regional job sites — including industrial facilities in Columbus, Marysville’s Honda manufacturing complex supply chain, and commercial construction projects throughout the Union-Delaware-Madison county area. Workers who moved between hospital maintenance and industrial work carried asbestos exposure risk across every site.

If you worked at this hospital as a tradesman — or if you lost a family member who did — Ohio law provides a legal avenue for compensation. An asbestos attorney Ohio can advise you on your rights under Ohio Revised Code § 2305.10, where your filing window closes two years from the date of diagnosis. That deadline is absolute. Act before it closes.

What Made This Hospital an Asbestos Hazard

The Boiler Plant and Steam Distribution Network

Hospitals of this era ran like small industrial facilities. Continuous hot water, steam sterilization, and climate control demanded large central boiler plants operating around the clock. The boiler room at Memorial Hospital of Union County reportedly housed high-pressure steam equipment alleged to have included units manufactured by Combustion Engineering, Babcock & Wilcox, and Riley Stoker — all of which incorporated extensive asbestos-containing insulation systems through the mid-to-late 20th century.

Safe operation of those systems required heavy insulation. The boiler plant itself may have been insulated with sectional block insulation and high-temperature wrapping supplied by major asbestos product manufacturers. Ohio’s long winters demanded that hospital boiler systems operate continuously for months at a stretch, driving up both the volume of insulation required and the frequency of maintenance repairs that disturbed it.

Steam Pipe Networks and Insulation Systems

Steam distribution systems carried superheated steam through pipe networks reaching every wing and floor. Before 1980, the insulation on those pipes was almost universally manufactured with asbestos content:

Sectional pipe covering — Magnesia or calcium silicate products, reportedly supplied by Johns-Manville (Thermobestos), Owens-Corning (Kaylo), and Armstrong Cork
Block insulation — High-density asbestos-containing products rated for high-temperature applications
Canvas jacketing — Asbestos-reinforced outer wrapping applied over pipe sections
Hand-packed fitting insulation — Custom-applied materials mixed and fitted by hand on elbows, valves, and flanges

Insulators and pipefitters routinely cut, applied, and removed these materials in enclosed pipe chases with little or no ventilation. The work generated visible dust clouds. Workers who performed this work are alleged to have inhaled those fibers without adequate respiratory protection.

HVAC, Ductwork, and Building Components

Other asbestos-intensive systems included:

Ductwork — Asbestos-lined flexible ducts and duct connectors, commonly supplied by Georgia-Pacific and Celotex
Air handling units — Asbestos rope gaskets and insulation wrapping on unit casings
Boiler access points — Asbestos-containing refractory materials and rope seals at boiler doors and ports, allegedly supplied by major boiler manufacturers and insulation distributors

Asbestos-Containing Materials Common to Ohio Hospitals of This Era

Specific inspection records for Memorial Hospital of Union County are not available for public review. The product categories below are documented as standard to Ohio hospitals of this construction period, consistent with materials identified in litigation involving comparable Central Ohio facilities.

Pipe Insulation and High-Temperature Materials

Sectional pipe insulation — Magnesia or calcium silicate containing asbestos, reportedly supplied by Johns-Manville (Thermobestos), Owens-Corning (Kaylo), and Armstrong World Industries
Boiler block insulation — High-temperature block and castable materials applied to boiler surfaces and furnace walls
Refractory cement — Asbestos-containing compound used for boiler repairs and routine maintenance

Fireproofing and Structural Protection

Spray-applied fireproofing — W.R. Grace Monokote and similar products reportedly applied to structural steel beams and decking throughout the facility
Disturbance hazard — Drilling, cutting, or core sampling in sprayed areas released fibers into the air of occupied work spaces

Floor and Ceiling Systems

Vinyl asbestos floor tiles — 9-inch and 12-inch tiles in service corridors and mechanical spaces, reportedly supplied by Armstrong World Industries and Pabco
Asbestos-containing mastic adhesive — Black mastic beneath floor tiles, itself reportedly containing asbestos fibers
Acoustic ceiling tiles — Asbestos-reinforced material in mechanical rooms and older building sections, reportedly supplied by Armstrong Cork and Celotex

Partition and Compartment Materials

Transite board — Asbestos-cement panels allegedly used in electrical rooms, boiler room partitions, and around pipe penetrations, consistent with standard hospital construction practice of the era
Asbestos cement panels — Fireproofing and partition material reportedly supplied by Eagle-Picher and other manufacturers

Gaskets, Packing, and Seals

Sheet gasket material — Compressed asbestos fiber for flanged connections, reportedly supplied by Garlock Sealing Technologies and similar manufacturers
Valve packing — Asbestos-based material packed into steam and hot-water valves throughout the system
Rope seals and gaskets — Boiler door seals and equipment connections reportedly containing asbestos fibers

When workers cut, sanded, broke, or disturbed any of these materials during maintenance and renovation, they released microscopic fibers into the air. Tradesmen who may have inhaled those fibers without adequate respiratory protection face the real risk of occupational disease appearing years or decades after the exposure.

Who Was Exposed — Occupational Risk by Trade

Boilermakers

Boilermakers who performed annual tube cleanings, refractory tearouts, hydrostatic testing, and major overhauls at this hospital’s central plant are alleged to have worked in direct contact with:

Asbestos block insulation on boiler exteriors — products reportedly supplied by Johns-Manville and Combustion Engineering
Asbestos-containing refractory materials inside boiler chambers
Boiler gaskets and rope seals reportedly containing asbestos
Asbestos insulation on interconnecting steam piping

These workers typically spent extended periods inside confined boiler rooms with limited air movement, potentially inhaling substantial quantities of asbestos dust during disassembly and repair work. Many Ohio boilermakers performing hospital maintenance work were members of Boilermakers Local 900, which represented workers throughout Central Ohio and surrounding counties. Members of that local who rotated through hospital maintenance and industrial plant work — including facilities in the Columbus and Central Ohio area — may have accumulated asbestos exposure across multiple job sites over the course of their careers.

If you are a retired boilermaker who has received a diagnosis of mesothelioma, asbestosis, or lung cancer, consult an asbestos cancer lawyer in your region immediately. Your two-year filing window under Ohio Rev. Code § 2305.10 began on the date of that diagnosis. Do not wait.

Pipefitters and Steamfitters

Pipefitters and steamfitters who maintained and repaired the steam distribution system may have been exposed to asbestos when they:

Removed and replaced asbestos pipe covering as routine maintenance — products including Johns-Manville Thermobestos and Owens-Corning Kaylo
Cut insulation sections to fit new or repaired piping
Applied asbestos-containing finishing cement to pipe coverings
Worked in confined pipe chases where dust from removal and installation had nowhere to go

Fiber releases during these tasks were often visibly heavy. Ohio union pipefitters performing comparable hospital work faced documented exposure conditions throughout this period. Tradesmen affiliated with the United Association locals serving Central Ohio who rotated between hospital maintenance contracts and commercial construction throughout the region are alleged to have encountered these materials repeatedly over multi-decade careers.

A mesothelioma or asbestosis diagnosis starts a two-year countdown that will not stop. Pipefitters and steamfitters diagnosed with asbestos-related disease must contact an asbestos attorney Ohio immediately to preserve their right to compensation.

Heat and Frost Insulators

Heat and frost insulators working at this facility are alleged to have:

Mixed asbestos-containing products by hand — including Johns-Manville Thermobestos, Owens-Corning Kaylo, and Armstrong cork products
Cut magnesia or calcium silicate pipe sections to fit around elbows and fittings
Applied finishing cement and canvas jacketing reportedly containing asbestos
Worked in spaces where airborne fiber was visible to the naked eye

Asbestos Workers Local 3 — based in Cleveland and representing heat and frost insulators across a broad swath of Ohio — sent members throughout the state on hospital and industrial insulation work. Local 3 members who performed insulation work at Central Ohio hospitals, including facilities in the Union County area, are alleged to have faced chronic exposure conditions across their careers. The same insulators who worked at Memorial Hospital of Union County may also have worked at larger Ohio facilities — including those serving Cleveland’s industrial corridor, where comparable materials from the same manufacturers were in identical use.

Heat and frost insulators faced among the heaviest per-shift asbestos exposures of any trade. If you are a retired insulator who has been diagnosed with an asbestos-related disease, your two-year filing deadline is already running. A mesothelioma lawyer Ohio can help protect your rights.

HVAC Mechanics

HVAC mechanics servicing air handling units and ductwork may have been exposed to asbestos when they:

Disturbed asbestos duct lining during disassembly and repair — products reportedly supplied by Georgia-Pacific and Celotex
Handled asbestos-containing gasket material and rope seals on equipment connections
Worked around fibers shaken loose from vibrating equipment with asbestos-lined housings

HVAC tradesmen in Central Ohio who worked across multiple hospital and commercial accounts — often cycling between Union County facilities and larger Columbus-area hospitals — may have encountered asbestos-containing materials at every site throughout the pre-regulation era.

If you worked as an HVAC mechanic at Memorial Hospital of Union County or comparable Central Ohio facilities and have since been diagnosed with mesothelioma or asbestosis, reach out to an asbestos cancer lawyer immediately. Ohio Rev. Code § 2305.10 gives you two years from diagnosis — and not a day more — to file your claim.

Electricians

Electricians running conduit through walls and ceiling assemblies, or working in electrical rooms, are alleged to have:

Disturbed spray-applied fireproofing — reportedly

Ohio Boiler and Pressure Vessel Registry — Equipment on File

The following boilers and pressure vessels were registered with the Ohio Department of Commerce, Division of Industrial Compliance for this facility. These records are public documents and have been used in asbestos exposure litigation to document the presence of industrial heating equipment at this site.

Reg #	Manufacturer	Yr Built	Type	MAWP (PSI)	Location	Inspector	Cert Date
103279	Leffel	1955	FT SM	125	Boiler Room	E Smith Rdb	940713
151473	A. O. Smith	1969	COIL WT	125	Mw-Boiler Room	E Smith Rdb	940713
146803	Peerless	1969	CI	30	Boiler Room	E Smith Rdb	940713
146804	Peerless	1969	CI	30	Boiler Room	E Smith Rdb	940713
151474	A. O. Smith	1969	COIL WT	125	Mw-Boiler Room	E Smith Rdb	940713
172976	Burnham/North American	1978	FT	150	Main Boiler Room	E Smith Mrr	950329
172977	Burnham/North American	1978	FT	150	Boiler Room	E Smith Rdb	940713

Source: Ohio Department of Commerce, Division of Industrial Compliance — Boiler and Pressure Vessel Program. Public record.