1. Environmental Engineer, Air Force Research Laboratory, AFRL/MLQF, 139 Barnes Dr., Suite 2, Tyndall AFB, FL 32403-5323.
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana–Champaign, 205 N. Mathews Ave., Urbana, IL 61801.
3. Graduate Engineer, URS Corp., 9400 Amberglen Blvd., Austin, TX 78729; MS Student, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana–Champaign, Urbana, IL 61801.
4. Environmental Engineer, Construction Engineering Research Laboratory, U.S. Army Corps of Engineers, 2902 Newmark Dr., P.O. Box 9005, Champaign, IL 61826.