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This ODH factsheet answers many common questions about perchlorate, including:

  • What is perchlorate and how does it get into the environment?

  • How does perchlorate get into my body?

  • Can I get sick from perchlorate?

  • Does perchlorate cause cancer?

  • Can a test show if I have perchlorate in my body?

  • Where can I get more information?


Local health departments are encouraged to print these factsheets for distribution in the event of a public health incident involving perchlorate.


This factsheet may be updated periodically as new scientific information becomes available or as regulations change. You can find the date of the most recent updates to this factsheet inside the PDF.