Edward Paul, Self, 308 Brooklyn Blvd., Sea Girt, NJ 08750, Victor Atiemo-Obeng, Research & Engineering Sciences, The Dow Chemical Company, 1776 Bldg., Midland, MI 48674, Piero M. Armenante, Otto H. York Department of Chemical, Biological, and Pharmaceutical Engineering, New Jersey Institute of Technology, 323 King Blvd., Newark, NJ 07102-1982, and Otute Akiti, Chemical Engineering and Process Safety, CMC, Exelixis, Inc., P O Box 511, South San Francisco, CA 94083.