EPA reaffirms plan to ban chlorpyrifos on food | November 21, 2016 Issue - Vol. 94 Issue 46 | Chemical & Engineering News
Volume 94 Issue 46 | p. 16 | News of The Week
Issue Date: November 21, 2016 | Web Date: November 16, 2016

EPA reaffirms plan to ban chlorpyrifos on food

Agency cites concerns about neurotoxicity of organophosphate insecticide
Department: Government & Policy
News Channels: Environmental SCENE
Keywords: pesticides, chlorpyrifos, EPA, Dow AgroSciences, insecticide, organophosphates

EPA is one step closer to banning all U.S. uses of chlorpyrifos on food after formally taking a second look at the health risks associated with the organophosphate insecticide.

The agency initially proposed to revoke all food tolerances for chlorpyrifos last year, citing neurotoxicity concerns. But because of pushback from farmers and the pesticide’s maker, Dow AgroSciences, EPA reexamined toxicity data for the chemical.

After releasing its revised human health risk assessment for chlorpyrifos on Nov. 10, EPA again proposed to revoke all food tolerances. The agency says combined exposure to chlorpyrifos through food and drinking water in the U.S. is expected to exceed EPA’s safety standard.

Dow AgroSciences strongly disagrees with EPA’s conclusion. EPA’s assessment is not “based on valid, complete, and reliable scientific data,” says Phil Jost, a marketing leader for U.S. insecticides at Dow AgroSciences. Jost also says EPA failed to follow its policies for public access to data.

Dow AgroSciences claims that chlorpyrifos is safely used on more than 50 different crops in the U.S. For many pests, there are no viable alternatives, the company says.

EPA is under a court-ordered deadline to make a final determination on chlorpyrifos by March 31, 2017. The order came after EPA failed to respond to a 2007 petition from environmental groups urging EPA to ban chlorpyrifos. The groups argue that the pesticide is linked to neurodevelopmental risks in children.

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