WERNER STUMM is an internationally renowned aquatic scientist at the Federal Institute for Environmental Science and Technology, EAWAG, Swiss Federal Institute of Technology, ETH. His numerous publications include Chemistry of the Solid-Water Interface, Aquatic Chemical Kinetics, and Aquatic Surface Chemistry, all published by Wiley. JAMES J. MORGAN is Marvin L. Goldberger Professor of Environmental Engineering Science at the California Institute of Technology. Professor Morgan was the founding editor of Environmental Science and Technology. He is also a recipient of the American Chemical...