When are friable particles from asbestos considered dangerous?

Friable asbestos refers to materials that easily crumble and release fibers into the air when disturbed. When these fibers become airborne, they pose a significant health risk if inhaled. Inhalation of asbestos fibers can lead to serious respiratory issues, including asbestosis, lung cancer, and mesothelioma.

The context indicates that the danger stems from the potential for exposure through inhalation. When asbestos is intact and still encapsulated or wet, it is less likely to release fibers into the air, thereby reducing the associated health risks. Touching friable asbestos does not generally lead to immediate danger unless it results in the release of airborne fibers. Therefore, the critical factor in determining the danger of friable asbestos is its potential to be inhaled, which can lead to severe health consequences.