Since the 1970s, the Environmental Protection Agency and the Occupational Safety and Health Administration have regulated the asbestos industry in the U.S. In the past, asbestos was used as a fire retardant and an insulator. Other products are now used in its place. The controversy involving exposure to different forms of asbestos continues.
There are two major types of asbestos called chrysotile and amphibole. It is thought that the amphibole form of asbestos is to blame for causing mesothelioma. However, asbestos is still being removed even if it is the chrysotile variety. Removal is taking place in schools and other public buildings throughout the U.S. The hope is that these measures will greatly reduce the occurrence of this cancer.
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