E.P.A. Denies an Environmental Group's Request to Ban a Widely Used Weed Killer

E.P.A. Denies an Environmental Group's Request to Ban a Widely Used Weed Killer
http://www.nytimes.com/2012/04/10/business/energy-environment/epa-denies-request-to-ban-24-d-a-popular-weed-killer.html?_r=1

"The Environmental Protection Agency on Monday said that the widely used herbicide 2,4-D would remain on the market, denying a petition from an environmental group that sought to revoke the chemical's approval."