Ontario Regulation 381/15 sets clear requirements for managing workplace noise and protecting workers from harmful exposure. This article outlines employer responsibilities, key exposure limits, and how noise assessments and hearing conservation programs can help prevent hearing loss and ensure compliance.

Noise is one of the most common—and most underestimated—workplace hazards. In Ontario, employers are required under the Occupational Health and Safety Act (OHSA) to protect workers from exposure to excessive noise that can cause permanent hearing loss or other health effects.

Ontario Regulation 381/15: the occupational noise exposure limit and requires employers to implement protective measures to control worker exposure and sets out what employers must do to assess, control, and monitor noise levels in the workplace.

Whether you manage a manufacturing plant, warehouse, or institutional facility, understanding how this regulation applies to your operations is essential to maintaining a safe and compliant work environment.

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