What is one of the divisions of poisonous and infectious materials under current WHMIS regulations?

One of the divisions of poisonous and infectious materials under current WHMIS (Workplace Hazardous Materials Information System) regulations is focused on materials that can cause immediate and serious toxic effects. This classification is critical because substances in this category can pose an immediate threat to health and safety, requiring stringent handling and safety protocols.

Understanding this classification helps workers recognize the potential hazards associated with exposure to these materials, ensuring they take necessary precautions, such as using appropriate personal protective equipment (PPE) and following safety procedures. By specifically identifying materials that have the potential for acute toxicity, it supports the goal of minimizing risks and enhancing workplace safety in environments where hazardous materials are present.

The other categories, such as those related to allergic reactions or materials with unknown effects, do not primarily address the urgent toxicological risks associated with immediate exposure, which is why they do not represent the primary focus of this division under WHMIS regulations.