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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Work & Employment Rights Ontario » The Right to Refuse Unsafe Work in Ontario: Step-by-Step Guide

The Right to Refuse Unsafe Work in Ontario: Step-by-Step Guide

7 Jun 2026 5 min read No comments Work & Employment Rights Ontario
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Under the Ontario Occupational Health and Safety Act (OHSA), you have the legal right to refuse unsafe work if you believe it is likely to endanger you or your colleagues. The Ministry of Labour (MLITSD) handles these disputes directly. Terminating you for refusing is an illegal reprisal. Should you need to sue for wrongful dismissal, filing a Statement of Claim in the Superior Court of Justice currently costs about $339 CAD.

Every worker in the province deserves to return home safely at the end of their shift. Whether you are operating heavy machinery in a bustling Hamilton steel plant, scaling scaffolding on a Toronto construction site, or handling harsh chemicals in a Mississauga laboratory, workplace hazards are a serious reality. Despite strict provincial regulations, some employers prioritize speed and profit over basic human safety. When you are asked to perform a task that feels incredibly dangerous, you might fear that speaking up will cost you your job.

Fortunately, employment law in Canada offers powerful protections for safety-conscious workers. 📜 The Occupational Health and Safety Act (OHSA) explicitly outlines a worker’s fundamental “right to refuse.” However, this is not just a simple matter of walking off the job site. The law provides a highly structured, two-stage process that you must follow exactly to remain legally protected. If you bypass these steps, your employer might claim you abandoned your job. In this comprehensive guide, we will walk you through the precise steps to refuse dangerous work in Ontario without jeopardizing your career.

Step-by-Step Process in Ontario for Refusing Unsafe Work

If you are facing an immediate hazard, taking the correct administrative steps will shield you from employer retaliation. This is how most employment lawyers and union representatives advise you to handle a work refusal.

Step 1: The First Stage Refusal

The moment you identify a task or equipment that is likely to endanger you, you must immediately stop working and report the hazard to your direct supervisor. You cannot just go home; you must remain in a safe place near your workstation. Clearly state, “I am refusing this work under the OHSA because I believe it is unsafe.” The law requires your supervisor to take your complaint seriously and initiate an internal investigation right away.

Step 2: The Internal Investigation

Your supervisor cannot investigate alone. They must physically inspect the hazard in your presence, alongside a certified worker member of the Joint Health and Safety Committee (JHSC) or your union representative. During this stage, your employer might offer a fix, provide proper Personal Protective Equipment (PPE), or explain why the task is actually safe. If the issue is resolved, you return to work.

Step 3: The Second Stage Refusal

If the supervisor insists the job is safe, but you still genuinely have reasonable grounds to believe it remains dangerous, you enter the Second Stage. 🚫 You have the absolute legal right to maintain your refusal. At this point, the internal process has failed, and the employer is legally obligated to contact the Ontario Ministry of Labour, Immigration, Training and Skills Development (MLITSD).

Step 4: Calling the Ministry of Labour Inspector

While waiting for the government inspector to arrive or call, your employer can assign you alternative, safe work. They can also ask another worker to perform the dangerous task, but they must inform that second worker that the task was refused for safety reasons, doing so in front of the JHSC representative. Do not leave the workplace unless instructed to do so by management.

Step 5: The Inspector’s Final Decision

An MLITSD inspector will review the situation, often arriving on-site or conducting a phone inquiry. They will speak to you, your supervisor, and the health and safety representative. The inspector will then issue a written decision. If they rule the work is safe, you must return to the task. If they rule it is unsafe, they will issue strict orders to the employer to fix the hazard, and the company could face massive fines.

How Much Does it Cost in Ontario?

Protecting your physical safety is a fundamental right, and accessing the primary enforcement mechanisms is completely free. However, if your employer illegally fires you, legal action may be required.

Legal Action or ServiceEstimated Cost (CAD)
Ministry of Labour Intervention$0 (Free provincial service)
OLRB Reprisal Complaint$0 to file the initial application
Lawyer Initial Consultation$300 to $500 (Free reviews often available)
Contingency Fee Agreement25% to 35% of your final settlement
Small Claims Court Filing Fee$108 CAD to start a Plaintiff’s Claim
Superior Court Filing Fee$339 CAD to formally issue a claim

How Long Does the Process Take?

Workplace hazards demand immediate attention. A First Stage refusal and internal investigation usually happen within a few hours. If the Ministry of Labour is called, an inspector typically responds on the exact same day, as safety is a top provincial priority.

However, if your employer illegally terminates you for refusing unsafe work (a reprisal), the timeline shifts dramatically. 📅 Filing a reprisal complaint with the Ontario Labour Relations Board (OLRB) generally takes 6 to 12 months to reach a hearing. If an employment law firm pursues a wrongful dismissal lawsuit in the Superior Court of Justice, civil litigation can take 1 to 2 years. Remember, civil claims are bound by a strict two-year statute of limitations.

Frequently Asked Questions (FAQ)

Do I still get paid while refusing unsafe work?

Yes. Under the OHSA, you are legally entitled to your regular wages during the entire first stage of the work refusal. If the Ministry is called, you must also be paid while waiting for the inspector, provided you remain at work and are available for alternative safe duties.

Can the company fire me for calling the Ministry?

Absolutely not. Firing, suspending, or even threatening an employee for exercising their OHSA rights is called an illegal “reprisal.” If an employer does this, the OLRB can order them to reinstate your employment and pay you significant financial damages for lost wages.

Does everyone have the right to refuse work?

No, there are specific exceptions. Certain professions-such as police officers, firefighters, and hospital workers-have a limited right to refuse. They generally cannot refuse work if the danger is a normal part of their job, or if their refusal would directly endanger the life, health, or safety of another person.

Can I refuse work if the workplace is simply too hot or cold?

Generally, discomfort is not enough. You must have a reasonable belief that the extreme temperature is “likely to endanger” your health (e.g., severe risk of heat stroke or frostbite). OHSA requires employers to protect workers from extreme thermal stress, but general discomfort without serious medical risk is harder to refuse.

What if I am an independent contractor?

The OHSA definition of a “worker” is incredibly broad and protects almost everyone on a job site, including many independent contractors, temporary agency staff, and interns. Your physical safety is protected by the province regardless of how your payroll taxes are structured.

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