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Historical Document

This web site is provided by the Agency for Toxic Substances and Disease Registry (ATSDR) ONLY as an historical reference for the public health community. It is no longer being maintained and the data it contains may no longer be current and/or accurate.

  • Feature #1 - Summary Report: Exposure to Asbestos Containing Vermiculite
  • Feature #2 - Fact Sheets for Libby related sites.
  • Feature #3 - Health effects of exposure to asbestos.

Asbestos is a group of minerals that generally look like separable, long, thin fibers. These fibers are small and can be seen with a microscope. When these fibers are disturbed, causing the fibers to float in the air, they can be easily breathed into the lungs. Scientists have recognized asbestos as a health threat to humans because these fibers can be breathed into the lungs and can cause cancer and other lung diseases. We are all exposed to low levels of asbestos in the air. People are more likely to experience asbestos-related disorders when they are exposed to high concentrations of asbestos, are exposed for longer periods of time, and are exposed more often. The time lag between significant inhalation of asbestos and any adverse health manifestations can be as long as 30 or more years.

Learn more about asbestos, its effect on public health and the efforts of ATSDR to respond to this hazard.

Libby Related Site Activities

Site Activities

Fact sheets, media announcements, and other information about specific sites where ATSDR is working or has worked. This section also includes a map to locate sites across the country and find information about them... more

Health Effects

Asbestos & Your Health

Overview about types of asbestos exposure, health effects, and what people should do if they are concerned about exposure... more

Medical Community

Medical Community

Information for health care providers about working with patients concerned about exposure, and Case Studies in Environmental Medicine (CSEM)... more

More About Asbestos

More About Asbestos

General information about the geology of asbestos, types of asbestos, how it has been used in manufactured products, and how to detect asbestos... more

Libby Related Site Fact Sheets

National Asbestos Exposure Review Sites Fact Sheets

To view a site fact sheet or for additional site information, click on the map.

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