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May 30, 2024
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Navajo Vats
Video Presentation
Hosted by U.S. EPA
Office of Superfund Remediation & Technology Innovation

Prior to the U.S. EPA's ban on toxaphene in 1986, this pesticide was used regularly on the Navajo Nation to treat cattle and sheep. As much as 20,000 gallons of the pesticide were used daily and then discarded in some 250 pit sites, two of which are now the center of bioremediation activities being conducted by U.S. EPA Region IX, the Navajo Superfund Office, and the U.S. EPA/ERT. Running time is 10 minutes. For general information contact Jeff Heimerman by telephone at 703-603-7191 (Fax: 703-603-9135) or via e-mail at

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