1. Visiting Research Assistant Professor, Dept. of Civil and Environmental Engineering, Ven Te Chow Hydrosystems Laboratory, Univ. of Illinois at Urbana-Champaign, 205 N. Mathews Ave., Urbana, IL 61801; presently, Senior Engineer, Alden Research Laboratory, 30 Shrewsbury St., Holden, MA 01520-1843 (corresponding author).
2. Research Associate, Dept. of Civil and Environmental Engineering, Ven Te Chow Hydrosystems Laboratory, Univ. of Illinois at Urbana-Champaign, 205 N. Mathews Ave., Urbana, IL 61801.
3. Research Associate, IIHR-Hydroscience and Engineering, Univ. of Iowa, 300 S. Riverside Dr., Iowa City, IA 52246; formerly, Research Associate, Dept. of Civil and Environmental Engineering, Ven Te Chow Hydrosystems Laboratory, Univ. of Illinois at Urbana-Champaign, 205 N. Mathews Ave., Urbana, IL 61801.
4. Research Assistant Professor, Dept. of Civil and Environmental Engineering, Ven Te Chow Hydrosystems Laboratory, Univ. of Illinois at Urbana-Champaign, 205 N. Mathews Ave., Urbana, IL 61801.
5. General Superintendent, Metropolitan Water Reclamation District of Greater Chicago (MWRDGC), 100 East Eire St., Chicago, IL 60611.
6. Principal Civil Engineer, Metropolitan Water Reclamation District of Greater Chicago (MWRDGC), 100 East Eire St., Chicago, IL 60611.
7. Civil Engineer, Metropolitan Water Reclamation District of Greater Chicago (MWRDGC), 100 East Eire St., Chicago, IL 60611.
8. Dept. of Civil and Environmental Engineering, Ven Te Chow Hydrosystems Laboratory, Univ. of Illinois at Urbana-Champaign, 205 N. Mathews Ave., Urbana, IL 61801.