Asbestos Contractor/Supervisor Practice Exam

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What is the first step to take before any asbestos-containing material is disturbed?

Shut off the HVAC system
Demarcate the regulated area
Notify all employees
Perform air monitoring

The correct answer is: Shut off the HVAC system

The first step to take before any asbestos-containing material is disturbed is to shut off the HVAC system. This action is crucial because heating, ventilation, and air conditioning systems can circulate air and potentially disperse asbestos fibers throughout the work area and beyond. By turning off the HVAC system, you reduce the risk of disturbing asbestos fibers, which could lead to airborne contaminants spreading into areas where individuals who are not equipped to handle asbestos may be present. Taking this precaution helps ensure a safer and more controlled environment for workers and minimizes the chances of exposure. While notifying employees, demarcating the regulated area, and performing air monitoring are all important steps in handling asbestos safely, they come after ensuring that the environment is secure from any potential airborne asbestos. Shutting down the HVAC system lays the foundation for a safe work process when dealing with asbestos.