Contrasting Pesticide Occurrence in Urban and Agricultural Streams in the Midwestern United States

Peter C Van Metre1, Mark William Sandstrom2, Lisa H. Nowell2, Barbara J Mahler3, Jeffrey W Frey2, Michelle Hladik4 and Robert W Gilliom2, (1)USGS Texas Water Science Center, Austin, TX, United States, (2)US Geological Survey, Denver, CO, United States, (3)U.S. Geological Survey, Austin, TX, United States, (4)USGS California Water Science Center Sacramento, Sacramento, United States
Abstract: