Asbestos is a fibrous mineral that occurs in natural rock formations throughout the world. There are two types of asbestos fibre - amphibole and serpentine. These fibres have very good insulating properties, and are resistant to fire and corrosive materials. These fibres were commonly used in the manufacture of hundreds of Asbestos Containing Materials (ACMs). Most commercial applications of asbestos in Ontario was banned in 1985.
The health risk associated with asbestos arises from exposure through inhalation. Diseases associated with exposure to asbestos are asbestosis, lung cancer and mesothelioma. Exposure risks are greatest to those employed in the production and maintenance/removal of ACMs. To date, no link to these diseases have been documented through exposure to ACMs in the general public. The key to preventing exposure to suspected ACMs is not to disturb them. If the suspected material is of sound condition and is not being actively removed - then the risk of exposure is minimal.
You can visit these websites to learn more information about:
The health risks of asbestos
Vermiculite insulation containing amphibole asbestos
Advice for individuals who suspect ACMs in their home