Research
Weed Killers By The Glass
Beginning on May 15, 1995, a network of environmental organizations began testing tap water for weed killers in cities across the U.S. Corn Belt, in Louisiana, and in Maryland. Samples were collected every three days from people's homes or offices. Samples collected were sent to the Iowa State Hygienic Lab and analyzed for the presence of atrazine and cyanazine, two of the most heavily used