Resources

Ontario Workplace Safety Resources

Authoritative references and standards for Ontario health and safety professionals, employers, and workers.

External References

Legislation, Guides & Standards

A Guide to the Act

Ontario's official plain-language guide to the Occupational Health and Safety Act — rights, duties, and how the legislation applies to your workplace.

View on Ontario.ca

Occupational Health & Safety Act

The full text of Ontario's OHSA statute — the foundational legislation governing workplace health and safety across the province.

Read the Legislation

Canadian Standards Association

Access CSA Group's community portal for Canadian standards, codes, and technical publications covering safety, electrical, construction, and more.

Visit CSA Group

Duties of the Employer, Supervisor and Worker

Ontario's official guide to Part III of the OHSA — outlining the legal obligations of employers, supervisors, and workers to maintain a safe workplace.

Read the Duties Guide

The Rights of Workers

An overview of the Internal Responsibility System and the three fundamental rights every Ontario worker holds: the right to know, to participate, and to refuse unsafe work.

Learn About Worker Rights

Injury Reporting Requirements

Ontario's requirements for reporting workplace incidents, injuries, illnesses, and structural hazards — who must report, to whom, and within what timeframes.

View Reporting Requirements

Functions of Workplace Inspectors

How Ontario Ministry of Labour inspectors conduct workplace inspections and investigations, what compliance commitments mean, and what employers can expect during a visit.

Learn About Inspections

Worker Rights — Right to Refuse

Part V of the OHSA guide covering the right to refuse or stop work where a health or safety danger exists — procedures, protections, and employer obligations.

Read Part V Guide

Workplace Violence & Harassment Requirements

Ontario's legislative requirements under Part III.0.1 of the OHSA — employer obligations for workplace violence and harassment policies, programs, and investigations.

View Requirements

File a Workplace Complaint

How to file a formal health and safety complaint with the Ontario Ministry of Labour — when to use this process, what information is needed, and what to expect.

File a Complaint

Reprisal Prohibited

Part VI of the OHSA guide — the legal prohibition against employer reprisals for workers who exercise their health and safety rights, and how to seek remedy.

Read Part VI Guide

Join the Ministry Email Newsletter

Subscribe to the Ontario Ministry of Labour's email newsletter for updates on occupational health and safety legislation, enforcement, and workplace safety news.

Subscribe Now

Guide for Safety Committees & Worker Reps

Ontario's official guide for joint health and safety committees and worker health and safety representatives — roles, responsibilities, and how to be effective.

Read the Guide

Ontario's Safe Employer Program

Learn about Ontario's Supporting Safe Employers Program — how it recognizes employers with strong safety records and what it means for your workplace.

Learn About the Program

Health & Safety for Small Business

Ontario's dedicated health and safety guidance for small businesses — practical steps, resources, and obligations tailored to smaller workplaces.

Small Business Guide

Required Posters in the Workplace

A complete list of the posters Ontario employers are legally required to display in the workplace, with links to download each one.

View Required Posters

Required Training (Highlights)

An overview of the health and safety training Ontario law requires for workers, supervisors, and joint health and safety committee members.

View Training Requirements

Workplace Compliance Initiatives

Ontario Ministry of Labour's targeted compliance initiatives — sector-specific enforcement campaigns and what employers need to know to stay compliant.

View Compliance Initiatives

Industrial Health & Safety Program

The Ministry of Labour's Industrial Program — how inspectors enforce the OHSA in manufacturing, warehousing, and other industrial workplaces across Ontario.

Industrial Program

Construction Health & Safety Program

The Ministry of Labour's Construction Program — enforcement priorities, sector-specific regulations, and resources for construction employers and workers.

Construction Program

Health Care Health & Safety Program

The Ministry of Labour's Health Care Program — addressing the unique hazards faced by health care workers and the obligations of health care employers.

Health Care Program

Status of Safety in Ontario

The Ministry of Labour's annual occupational health and safety report for Ontario (April 2022 – March 2023) — injury statistics, enforcement data, and sector trends.

Read the Report