1. P.E.
2. Member, ASCE
3. Process Consultant, Enviro Enterprises, Inc., P.O. Box 117, 365 Bailey Loop, LaBarge, WY 83123-0117.
4. PhD, Process Consultant, University of Utah, Salt Lake City, UT 84112.
5. Prin. Res. Sci., Thames Water Utilities Ltd., Spencer House, Manor Farm Rd., Reading RG2 0JN, U.K.