Ontario Regulation 851/90 establishes comprehensive safety requirements for industrial workplaces, covering machinery, environmental conditions, hazard control, and worker training. This article provides a practical overview to help employers assess compliance, reduce risks, and build safer, more efficient operations.

Industrial workplaces are some of Ontario’s most complex and high-risk environments. From manufacturing plants to warehouses and maintenance facilities, employers must protect workers from mechanical, chemical, and physical hazards every day.

Ontario Regulation 851/90 – Industrial Establishments, made under the Occupational Health and Safety Act (OHSA), establishes detailed legal requirements governing health and safety in industrial establishments.

The regulation is broad, covering everything from machine guarding and ventilation to lighting, noise, and maintenance practices. Its purpose is simple: to ensure that every worker in an industrial setting goes home safe.

This guide simplifies the regulation and highlights the most important areas employers should understand to maintain compliance and foster safer workplaces.

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