1. Analytical Science & Technology, Kimberly-Clark Corporation, Neenah, Wisconsin 54956, Process Analytical Chemistry Center, Honeywell Laboratories, Morristown, New Jersey 07962-1021, Chemical Sciences Group, Monsanto Company/Searle, Skokie, Illinois 60077, Pacific Northwest National Laboratory, Richland, Washington 99352, Center for Process Analytical Chemistry (CPAC), University of Washington, Seattle, Washington 98195-1700, and The Procter & Gamble Company, Center Hill Road, Cincinnati, Ohio 43224