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The Toxic Substances Portal has been migrated to a new format. If you have pages linking to our site, you will need to update your links. Please use the substances spreadsheet with old and new URLs to update your pages.

About ToxFAQs™

The ATSDR ToxFAQs™ is a series of summaries about hazardous substances. Information for this series is excerpted from the ATSDR Toxicological Profiles. Each fact sheet serves as a quick and easy to understand guide. Answers are provided to the most frequently asked questions (FAQs) about exposure to hazardous substances found around hazardous waste sites and the effects of exposure on human health.

Each ToxFAQs™ is available in both the standard HTML format below or in the PDF format which provides the familiar two page print version widely used at community meetings and distributed via our mailing list. This PDF format requires Adobe Acrobat Reader external icon, which can be downloaded free from the Adobe web site.

Substances A-Z Index

ToxFAQs™ Information

All ToxFAQS followed by an * Other Languages... are available in the following languages:

  • • Arabic
  • • Chinese
  • • French
  • • Haitian
  • • Korean
  • • Portuguese
  • • Spanish
  • • Vietnamese

Also see: ATSDR en Español


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Where can I get more information?

You can get further information on our web site about all the ATSDR Toxicological Profiles and how they are developed.

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What else can ATSDR do?

ATSDR can tell you where to find occupational and environmental health clinics. Specialists in these clinics can recognize, evaluate, and treat illnesses resulting from exposure to hazardous substances. You can also contact your community or state health or environmental quality department if you have any more questions or concerns.

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How do I contact ATSDR?

Further information can be obtained by contacting the ATSDR Information Center at:

Agency for Toxic Substances and Disease Registry
Division of Toxicology and Human Health Sciences
4770 Buford Highway
Chamblee, GA 30341-3717
Phone: 1-800-CDC-INFO 888-232-6348 (TTY)
Email: Contact CDC-INFO

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Page last reviewed: February 10, 2021