A C S S Y M P O S I U M S E R I E S 652 Fumigants Environmental Fate, Exposure, and Analysis E DITORS James N. Seiber James A. Knuteson University of Nevada-Reno DowElanco James E. Woodrow University of Nevada-Reno N. Lee Wolfe U.S. Environmental Protection Agency Marylynn V. Yates University of California- Riverside S. R. Yates Agricultural Research Service, U.S. Department of Agriculture Developed from a symposium sponsored by the Division of Agrochemicals Am e ric a n C he m ic a l So c ie ty, Wa shing to n, DC