Geological Survey (U.S.) 62 National Water-Quality Assessment Program (U.S.) 20 United States. Environmental Protection Agency. Prevention, Pesticides, and Toxic Substances 18 National Cancer Institute (U.S.). Division of Cancer Cause and Prevention 13 National Institutes of Health (U.S.) 13 United States. Environmental Protection Agency 13 American Chemical Society. Division of Pesticide Chemistry 12 Carcinogenesis Testing Program (U.S.) 12 Eddy-Miller, Cheryl A. 11 Wyoming. Dept. of Agriculture 11 United States. Environmental Protection Agency. Enforcement and Compliance Assurance 8 Wyoming. Dept. of Environmental Quality 8 American Chemical Society. Meeting 7 Remley, Kendra J. 7 United States. Environmental Protection Agency. Office of Pesticide Programs 7 United States. National Agricultural Statistics Service 7 American Chemical Society. Division of Agrochemicals 6 United States. Environmental Protection Agency. Office of Pesticide Programs. Criteria and Evaluation Division 6 Carcinogenesis Program (National Cancer Institute (U.S.)). Carcinogen Bioassay and Program Resources Branch 5 Kuivila, Kathryn M. 5 NetLibrary, Inc 5 Thomson, W. T. 5 United States. Environmental Protection Agency. Office of Research and Development 5 American Chemical Society 4 Ator, Scott W. 4 Chemical Rubber Company 4 Gilliom, Robert J. 4 Orlando, James L. 4 Society of Chemical Industry (Great Britain) 4 Wargo, John, 1950- 4 Baker, Nancy Tucker, 1957- 3 California Bay-Delta Authority 3 Carson, Rachel, 1907-1964 3 Denver, J. M. 3 Dunlap, Thomas R., 1943- 3 National Center for Environmental Research (U.S.) 3 Soil Science Society of America 3 Tracor Jitco, Inc 3 United States 3 United States. Agency for Toxic Substances and Disease Registry 3 United States. Congress. House. Committee on Agriculture, 3 United States. Environmental Protection Agency. Office of the Inspector General, 3 United States. Office of Aviation Medicine 3 Ware, George Whitaker, 1927- 3 Whorton, James C., 1942- 3 Academic Search Ultimate 2 American Chemical Society. Division of Agricultural and Food Chemistry 2 Bartos, Timothy T. 2 Bode, Robert W. 2 Brodie, Janet Farrell, 2 more ...