Multiple myeloma is a cancer of plasma cells in the bone marrow that disrupts immune function and normal blood cell production.
Studies have shown that industrial workers, including railroad personnel, face a significantly higher risk of developing this disease, particularly with prolonged occupational exposure to carcinogenic chemicals like benzene and organic solvents.
Railroad workers involved in fuel handling, solvent use, or maintenance tasks have regularly been exposed to benzene-containing products, degreasers such as TCE and other chlorinated solvents.
Each of these hazardous substances have been recognized as potential contributors to multiple myeloma.
Although diesel exhaust has not consistently shown a direct link to multiple myeloma in epidemiological reviews, the presence of benzene within diesel fumes and combustion byproducts remains a concern for bone marrow toxicity and blood cancers.
Experts have found that organic solvents used for decades in railroad shops, such as TCE, methylene chloride, and perchloroethylene, carry elevated risk in relation to multiple myeloma when exposure is frequent or cumulative.
Additionally, benzene’s role as a known carcinogen in the development of blood cancers is acknowledged by scientific literature and workplace health authorities.
Many exposed workers unknowingly handled these substances in poorly ventilated environments for years, unaware of the cumulative health risks.
Legal claims often focus on demonstrating that exposure to toxic chemicals during railroad work contributed to a later diagnosis of multiple myeloma, and that worker protection was insufficient.
Chemicals linked to increased risk of multiple myeloma in the railroad industry include:
- Benzene exposure from diesel fuel, solvents, degreasers, and creosote treatments—especially in enclosed shops or yard facilities
- Organic solvent exposure such as trichloroethylene (TCE), methylene chloride, and perchloroethylene used in cleaning, degreasing, or maintenance
- Fuel and lubricant handling involving crude oil derivatives where aromatic hydrocarbons likely present
- Pesticides and herbicides used in track vegetation control, sometimes delivered by railroad maintenance crews
- Combined exposures over long-term periods, which amplify bone marrow toxicity and carcinogenic impact
These exposure pathways illustrate how exposure to toxic chemicals in railroading can elevate the risk of plasma cell cancers like multiple myeloma, especially when legal claims focus on linking long-term job conditions to disease onset.
Legal action often involves documenting exposure history, chemical usage, employer practices, and expert medical testimony to establish causation.
Railroad Jobs Linked to an Increased Risk of Multiple Myeloma
Many job roles within the railroad industry have been associated with an increased risk of serious illnesses, including multiple myeloma.
Workers in these positions often encountered hazardous chemicals over long periods, frequently without adequate protective equipment or hazard communication.
Occupational exposure to toxic substances such as benzene, organic solvents, and degreasers was particularly common in maintenance yards, mechanical shops, and during field operations.
Tasks that involved diesel engines, solvent cleaning, or prolonged proximity to chemical-based materials contributed to the high-risk profile of these jobs.
In numerous railroad cancer cases, plaintiffs worked in job roles where toxic exposure was frequent, cumulative, and often undocumented.
Railroad employees who may have an increased risk of multiple myeloma include:
- Sheet Metal Workers – Often used solvent-based degreasers and were regularly exposed to metal fumes and coatings
- Carmen – Repaired and maintained train cars, frequently working with diesel engines, paints, and welding equipment
- Machinists – Operated in repair shops using industrial cleaners and lubricants that contained benzene or TCE
- Track Maintenance Workers – Applied herbicides and creosote-based preservatives to railroad ties and ballast
- Electricians – Used cleaners and solvents to maintain electrical components, sometimes in poorly ventilated spaces
- Locomotive Engineers – Spent extended hours in engine cabs breathing diesel exhaust and vaporized fuel emissions
- Conductors and Brakemen – Regularly around operating engines and train yards with little protection from fumes
- Signal Maintainers – Handled equipment lubricants and performed fieldwork near idling diesel locomotives
- Pipefitters and Plumbers – Dealt with underground infrastructure and cleaning agents with potential toxic exposure
- Painters and Coaters – Used industrial paints, thinners, and primers that often contained carcinogenic solvents
- Diesel Mechanics – Worked in close contact with fuel lines, exhaust systems, and solvent-based cleaning agents
- Laborers and General Shop Workers – Assigned a wide range of tasks involving fuels, degreasers, and pesticides
- Welders – Exposed to welding fumes and metal particulates that may contain toxic and carcinogenic compounds
- Bridge and Building Crews – Applied wood preservatives and handled chemically treated construction materials
Each of these job roles carries a history of occupational exposure to toxic substances, often without the protections or warnings required to prevent disease.
If you or a loved one worked in one of these positions and were later diagnosed with multiple myeloma, you may be eligible to pursue legal action.