1. Ph.D. Student, Dept. of Environmental Engineering, Egypt-Japan Univ. of Science and Technology, P.O. Box 179, New Borg Al-Arab City, Alexandria 21934, Egypt; Faculty of Engineering, Dept. of Irrigation and Hydraulics Engineering, Tanta Univ., Seperbay Campus, El-Gharbia, Tanta 31733, Egypt (corresponding author).
2. Dean of School of Energy Resources, Environment and Chemical and Petrochemical Engineering, Egypt-Japan Univ. of Science and Technology, P.O. Box 179, New Borg Al-Arab City, Alexandria 21934, Egypt; Professor, Dept. of Environmental Health, High Institute of Public Health, Alexandria Univ., Alexandria 21544, Egypt
3. Associate Professor, Faculty of Engineering, Dept. of Civil Engineering, Assiut Univ., Assiut 71515, Egypt; Faculty of Engineering, Dept. of Civil Engineering, Taif Univ., Saudi Arabia.
4. Associate Professor, Dept. of Civil and Environmental Engineering, Tokyo Institute of Technology, Meguro-ku, Tokyo 152-8552, Japan; Faculty of Engineering, Dept. of Civil Engineering, Kafr El-Sheikh Univ., Kafr El-Sheikh 33516, Egypt.
5. Professor, Dept. of Water Pollution Research, National Research Centre, P.O. Box 12622, Giza, Egypt.
6. Professor, Dept. of Civil and Environmental Engineering, Tokyo Institute of Technology, 2-12-1-M1-4, Ookayama, Meguro-ku, Tokyo 152-8552, Japan.