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Proving Toxic Exposure in the Workplace

Stiberth, Scarlati & Boudreau, LLC April 15, 2025

Workers’ compensation laws in Chicago, Illinois, offer crucial protections for employees who suffer from injuries or illnesses due to hazardous conditions on the job. However, proving toxic exposure can be a challenging process.

At Stiberth, Scarlati & Boudreau, LLC, we understand how devastating it can be to suffer from toxic exposure in the workplace. We’ll provide an in-depth look at how to prove toxic exposure in the workplace under Illinois workers’ compensation laws and how our firm can assist in seeking justice.

What Is Toxic Exposure in the Workplace?

Toxic exposure refers to contact with harmful substances or materials while working that can cause adverse health effects. These substances can include chemicals, asbestos, mold, lead, fumes, dust, and a variety of other environmental hazards commonly found in certain work environments. 

Prolonged or high-level exposure to these substances can lead to serious medical conditions, including respiratory diseases, cancer, neurological damage, and other chronic illnesses.

Illinois workers’ compensation laws are designed to protect employees who suffer injuries or illnesses caused by their work environment. However, proving that toxic exposure led to an injury or illness can be challenging.

The burden of proof falls on the worker, who must demonstrate that their illness or injury was directly caused by the work environment.

The Link Between Toxic Exposure and Health Issues

In Illinois, as in many states, proving that toxic exposure caused a particular illness is a significant part of a workers’ compensation claim. Toxic exposure can lead to a variety of health issues, such as:

  • Respiratory issues: Breathing in toxic fumes or chemicals can lead to chronic conditions like asthma, bronchitis, and other lung diseases.

  • Cancer: Certain toxic substances, such as asbestos or benzene, are known to increase the risk of developing cancers like mesothelioma or leukemia.

  • Neurological disorders: Some chemicals, like lead or solvents, can cause neurological damage, leading to issues like memory loss, cognitive dysfunction, or nerve damage.

  • Skin conditions: Direct exposure to harmful substances may cause skin irritation, rashes, or more severe conditions like chemical burns.

While these conditions are commonly associated with toxic exposure in the workplace, proving a direct link between the exposure and the illness or injury is often difficult. It’s crucial to have strong documentation and evidence to support your case.

How to Prove Toxic Exposure for Workers’ Compensation

At Stiberth, Scarlati & Boudreau, LLC, we work with clients to build compelling workers’ compensation claims. Proving toxic exposure in the workplace involves gathering substantial evidence to demonstrate that the illness or injury was caused by the work environment. Below are the key steps involved in proving toxic exposure in a workers’ compensation claim:

1. Document Your Symptoms and Medical History

The first step in proving toxic exposure is to document the symptoms you’re experiencing. Keeping detailed records of your symptoms is crucial in establishing a timeline of your illness. This can include:

  • The date symptoms first appeared

  • The severity and frequency of symptoms

  • Any changes in symptoms over time

  • The types of substances or chemicals you believe you were exposed to

It’s important to seek medical attention as soon as you notice symptoms related to toxic exposure. Your medical history, including your doctor’s notes and diagnoses, will be essential in proving that the exposure led to the illness.

2. Medical Diagnosis and Evidence

One of the most critical components of proving toxic exposure is obtaining a medical diagnosis that links your condition to the toxic substance or environmental hazard. For example, if you were exposed to asbestos in the workplace, a diagnosis of mesothelioma or asbestosis would be critical evidence in your case.

Working with your doctor and other medical professionals, we can help gather the necessary documentation to prove that your illness is the direct result of toxic exposure at work. Medical reports and test results will play a vital role in demonstrating that your condition was caused by hazardous working conditions.

3. Proving Exposure to Toxic Substances

To strengthen your workers’ compensation claim, you must demonstrate that you were exposed to toxic substances at your place of employment. This can be done through:

  • Witness testimonies: Colleagues or supervisors who witnessed the exposure or were aware of the hazardous conditions can provide critical evidence. Their testimony may support the claim that toxic substances were present in the workplace.

  • Company records and safety reports: Employers are required to maintain safety data sheets (SDS) for hazardous chemicals used in the workplace. These records can show that you were exposed to dangerous substances and can help establish the link between exposure and illness.

  • Workplace inspections and investigations: If an investigation by a regulatory body, such as OSHA (Occupational Safety and Health Administration), uncovered unsafe working conditions, this can provide compelling evidence that toxic exposure occurred.

In some cases, it may also be helpful to prove that your employer failed to implement proper safety protocols or provide protective equipment to reduce exposure. This failure can strengthen your case, as it can show negligence on the part of the employer.

4. Proving the Causation of the Illness

Once you have documented the toxic exposure and obtained a medical diagnosis, you must prove that the exposure directly caused your illness or injury. This is often the most difficult aspect of a workers’ compensation claim for toxic exposure, as illnesses like cancer or respiratory diseases may take years or even decades to manifest.

Working with medical professionals who work in toxic exposure, we can help establish a clear connection between your work environment and your health condition. This often requires expert testimony and scientific evidence to demonstrate that the specific toxic substance you were exposed to is known to cause the illness.

5. Establishing the Length and Severity of Exposure

The length and severity of exposure to toxic substances will also play a crucial role in your workers’ compensation claim. 

For instance, workers who are exposed to high levels of a toxic substance over a long period are more likely to develop serious health issues. Documenting the duration of exposure and the conditions under which it occurred can strengthen your case.

In Illinois, workers’ compensation laws don’t set a specific time limit for toxic exposure claims, but the more evidence you can provide about the intensity and duration of the exposure, the better your chances of securing compensation.

6. Filing the Workers’ Compensation Claim

Once you have gathered all necessary evidence and documented your exposure, you’ll need to file a workers’ compensation claim. This process involves submitting your claim to your employer’s insurance company, along with supporting documentation such as medical records, witness statements, and evidence of exposure.

At Stiberth, Scarlati & Boudreau, LLC, we can assist you in preparing and filing your workers’ compensation claim. We’ll confirm that all the necessary documents are submitted correctly and on time, and we’ll advocate on your behalf throughout the process.

Workers' Compensation Benefits for Toxic Exposure

If you’re successful in proving toxic exposure and are awarded workers’ compensation benefits, you may be entitled to several types of compensation, including:

  • Medical expenses: Workers’ compensation will typically cover the cost of medical treatment related to your illness, including doctor visits, hospital stays, medications, and any other necessary treatments.

  • Temporary disability benefits: If your condition prevents you from working for a period of time, you may be entitled to temporary disability benefits to replace lost wages.

  • Permanent disability benefits: If your illness results in long-term or permanent disability, you may be entitled to permanent disability benefits. The amount of these benefits will depend on the severity of your condition and how it affects your ability to work.

  • Vocational rehabilitation: If your illness prevents you from returning to your previous job, vocational rehabilitation services may be available to help you retrain for a different type of work.

  • Death benefits: If toxic exposure leads to death, surviving family members may be entitled to death benefits under workers’ compensation laws.

It’s important to understand that workers’ compensation laws in Illinois don’t allow you to sue your employer directly for damages related to toxic exposure. However, you may be able to pursue other legal avenues if a third party, such as a manufacturer of toxic substances, is responsible for your exposure.

Contact Our Firm Today

At Stiberth, Scarlati & Boudreau, LLC, we’re committed to helping workers who suffer from illnesses caused by hazardous working conditions. We’re proud to serve Chicago, Illinois, and the surrounding areas of Cook County and Collar County. Call our firm today.