Grapes of Wrath: California State Agency Acts to Further Restrict Use of Chlorpyrifos

On August 18, 2017, California’s Department of Pesticide Regulations (DPR) released an updated draft risk assessment for comments by the public on the popular agricultural pesticide chlorpyrifos. Farmers use chlorpyrifos to kill pests that attack a wide variety of crops including grapes, walnuts, oranges, almonds and cotton grown in California. In 2015, California farmers used more than 1 million pounds of chlorpyrifos on more than 60 crops. About 5 million to 10 million pounds of chlorpyrifos are used annually on
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