1. Assistant Professor, Dept. of Civil and Environmental Engineering, Washington State Univ., Pullman, WA 99164 (corresponding author). E-mail: mbeutel@wsu.edu
2. President, Flow Science Inc., 370 Neff Ave., Harrisonburg, VA 22801. E-mail: hannoun@flowscience.com
3. Senior Biologist, San Diego Water Dept. Water Quality Laboratory, 5530 Kiowa Dr., La Mesa, CA 91942. E-mail: jpasek@sandiego.gov
4. Project Engineer, Flow Science Inc., Two Penn Center, Ste. 200, Philadelphia, PA 19102. E-mail: kbkavanagh@flowscience.com