What is the recommended action level for asbestos fibers in air, according to OSHA?

The recommended action level for asbestos fibers in air according to OSHA is indeed 0.1 fibers per cubic centimeter (f/cc). This action level is significant because it serves as a guideline to trigger specific regulatory requirements designed to protect workers from excessive exposure to asbestos, which is a known health hazard associated with serious diseases like asbestosis and lung cancer.

When airborne concentrations reach this action level, employers are required to implement a number of protective measures. These can include monitoring air quality, conducting additional training for employees, and providing appropriate personal protective equipment. The low threshold of 0.1 f/cc reflects the seriousness of asbestos exposure and underscores the importance of maintaining stringent regulations to ensure worker safety.

Options that propose higher concentrations, such as 1 f/cc, 10 f/cc, or 0.01 f/cc, do not align with OSHA's established guidelines, as they could potentially allow for dangerous levels of asbestos exposure without necessitating critical safety measures. Thus, the choice of 0.1 f/cc is essential for ensuring that appropriate protective actions are triggered to minimize health risks associated with asbestos exposure.