- Research has linked the insecticide to developmental problems in children
- Chlorpyrifos, an insecticide, was phased out of residential use in 2001
- Chlorpyrifos is the most widely used insecticide in the US
(CNN)Environmental Protection Agency Administrator Scott Pruitt denied a petition Wednesday requesting that the agency ban the use of the chlorpyrifos on all United States food crops. Chlorpyrifos, a product of Dow Agrosciences, is an insecticide proved effective against mosquitoes, cockroaches and fire ants, which has been registered for use in the US since 1965.