One very important characteristic of asbestos material is that asbestos fibers can be so small that they cannot be seen without a microscope. For this reason, small asbestos fibers can remain in the air for days before settling. If asbestos fibers become airborne, they can be inhaled and lead to such serious respiratory illnesses as asbestosis, mesothelioma, and lung cancer. For this reason, it is important to ensure that you, your family, and/or the occupants of your building are not being dangerously exposed to asbestos fibers. The best way to do this is to have any asbestos materials that are damaged or deteriorated removed or abated. However, it is important that all removal and abatement be carried out safely. A large part of a safe removal or abatement project is proper air clearance sampling.