Misconceptions

Asbestos products are very safe in their natural state. It becomes dangerous when disturbed and the small fibers are released into the air and potentially into a person's lungs.

OSHA Limits

The U.S. Occupational Safety and Health Administration limits average workplace exposure of asbestos to 0.1 fibers per cubic centimeter of air over an eight-hour period. Over any 30-minute period, OSHA limits exposure to 1.0 fibers per cubic centimeter of air.

Advised Limits

The U.S. Environmental Protection agency estimates that breathing 0.000004 fibers per cubic centimeter of air increases the risk of getting cancer to 1 in a million, but only if this amount of asbestos remained the same throughout a person's life.

Banned Asbestos

The U.S. banned asbestos as an insulating material in 1972, but the courts did not clarify this rule until 1991. As of 2010, asbestos materials are banned for use in paper or flooring felt. Only buildings "grandfathered" (used before the ban) into current asbestos law may contain any level of asbestos.

Tips

Despite its possible danger, homeowners should leave undamaged asbestos alone. Consumers should attempt to protect asbestos from any potential damage but not cut or modify the asbestos in any way.

Source:

Princeton University: Asbestos Fact Sheet

U.S. Environmental Protection Agency: An Introduction to Indoor Air Quality

U.S. Occupational Safety and Health Administration: Asbestos Standard For General Industry

More Information:

U.S. Environmental Protection Agency: Asbestos