We've all, by now, heard the risks of inhaling asbestos fibers in factories, in houses, in schools, etc. What many people don't realize is that there is an equally large risk of second-hand exposure.

Malignant mesothelioma is a serious form of cancer that affects the smooth lining of the chest, lungs, heart, and abdomen. Most cases of malignant mesothelioma are caused by repeated exposure to asbestos which is a flame retardant material that was used to insulate buildings.

Asbestos, being regulated by OSHA and cited by ACGIH, DOT, NIOSH, NTP, DEP, IARC, HHAG, and EPA, falls on the Hazardous substance list. Also, because of the associated carcinogenic effect, it falls on the Special Health Hazard Substance List.

Asbestos is a generic name given to six fibrous minerals that have been used in commercial products. It is mined in various parts of the world, especially in South Africa and Canada. Natural asbestos is found in two varieties: serpentine asbestos and amphibole asbestos. Asbestos it is usually mixed with other materials to actually form the products such as building materials and vehicle brakes.