Humber/Ontario Real Estate Course 4 Exam Practice

Which substance is listed as hazardous under the Occupational Health and Safety Act?

1. Benzene

2. Lead

3. Mould

4. Radon

5. Asbestos

6. Silica

The correct answer is: Lead

Lead is recognized as a hazardous substance under the Occupational Health and Safety Act due to its severe health risks, including neurological damage and other physical ailments that can arise from exposure, especially in work environments. Lead exposure can occur through inhalation or ingestion, and its effects can be particularly harmful to children and pregnant women. The Occupational Health and Safety Act aims to protect workers from various hazards they might encounter on the job. While other substances on the list, such as asbestos and silica, are also recognized as hazardous and pose significant health risks, lead has been a focus of many regulations and guidelines aimed at limiting exposure in occupational settings. The emphasis on lead is due to its historical use in various industries and the long-term health consequences associated with detrimental exposure. Benzene, mould, radon, and silica also have their own associated hazards but are categorized differently when it comes to specific regulations and guidelines under the Occupational Health and Safety Act. Lead, however, has a long-standing acknowledgment in health and safety regulations, making it a critical substance to monitor in workplaces where lead might be present.