1. Assistant Professor, Dept. of Civil and Environmental Engineering, Manhattan College, 4513 Manhattan College Parkway, Riverdale, NY 10471; formerly, Graduate Student Researcher, Dept. of Civil and Environmental Engineering, Carnegie Mellon Univ., 5000 Forbes Ave., Pittsburgh, PA 15213 (corresponding author).
2. Graduate Student Researcher, Dept. of Civil and Environmental Engineering, Carnegie Mellon Univ., 5000 Forbes Ave., Pittsburgh, PA 15213.
3. Professor, Director of Water Quality in Urban Environmental Systems (Water-QUEST), Dept. of Civil and Environmental Engineering, Carnegie Mellon Univ., 5000 Forbes Ave., Pittsburgh, PA 15213.