1. Environmental Engineer, Siemens Water Technologies, 13 Hamelacha St., Rosh Ha'ayin, Israel; formerly, Environmental Engineer, Neopharm Ltd., 8 Hashiloach St., Petach-Tiqva 49170, Israel.
2. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Hartford, 200 Bloomfield Ave., West Hartford, CT 06117.
3. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Massachusetts, 18 Marston Hall, Amherst, MA 01003 (corresponding author).
4. Professor, Dept. of Civil and Environmental Engineering, Univ. of Massachusetts, 18 Marston Hall, Amherst, MA 01003.