What is the exposure limit for asbestos fibers in a non-permissible environment?

The correct answer indicates that the exposure limit for asbestos fibers in a non-permissible environment is set at 0.1 fibers per cubic centimeter (f/cc) averaged over an 8-hour workday. This limit is established to protect workers from the harmful health effects associated with asbestos exposure, which can lead to serious respiratory diseases, including asbestosis and mesothelioma.

Regulatory agencies, such as the Occupational Safety and Health Administration (OSHA), have established permissible exposure limits (PELs) to minimize the risk of exposure during work. The 0.1 f/cc limit reflects a balance between allowing necessary work processes and minimizing health hazards associated with asbestos. This threshold is lower than other potential exposure levels, demonstrating an emphasis on reducing risk in environments where asbestos may be present.

By having a clear exposure limit, employers and employees can monitor air quality and implement necessary protective measures when working in environments where asbestos fibers could be airborne. Understanding this limit is vital for ensuring safety and compliance in the workplace.