Welcome to HHREF!

The Hawaii Heptachlor Research & Education Foundation (HHREF) was established to promote public health and safety through medical monitoring, scientific research and public education programs concerning the effects of pesticides and other toxic substances on humans.

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What is Heptachlor?

Heptachlor is a manufactured chemical that was used extensively in the past for killing insects in homes, buildings, and on food crops. Use slowed in the 1970s and stopped in 1988, as it was found to be clearly toxic to humans and animals.

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Recommended Reading:

Dean B. Baker, M.D., M.P.H., Mount Sinai School of Medicine, New York
Estimation of human exposure to heptachlor in Hawaii.
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