Food Security
Grounded in Science
Our Resource Library provides links to scientific studies, reports, and white papers related to chlorpyrifos use, regulation, environmental impacts, and human health considerations.
Crop Protection
Proven and Reliable
Chlorpyrifos offers superb versatility in controlling a wide variety of pests across numerous crops, and is a reliable rotation partner in insect resistance management programs. Learn more about chlorpyrifos’ benefits and use.
Make Yourself Heard
Informed growers and professionals can provide valuable input and expertise during EPA’s Registration Review of chlorpyrifos. Visit our Regulatory pages to learn about the process and how you can be involved.
WHAT IS Chlorpyrifos?
Chlorpyrifos has been reliably used for more than 45 years as the active ingredient in products that protect crops from damaging insect pests.
RESOURCES
Resources and information regarding Wildlife & Environment, including Endangered Species.
Follow the latest assessments, correspondence, and documentation about chlorpyrifos’ registration review.
LATEST NEWS
Court Sets Aside BiOp, Finds Proposed Salmon-Related Restrictions “Arbitrary and Capricious"
March 13, 2013
Chlorpyrifos and Bystander Exposure – EPA Seeking Input on Preliminary Assessment of Volatility and Bystander Exposure
February 11, 2013
EPA Announcement on Chlorpyrifos and Spray Drift.
July 18, 2012
Perspective – Recent Claims About Links Between Chlorpyrifos and Brain Anomalies.
May 4, 2012
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