1. Environmental Engineer, TVCM Corp., Kaohsiung, Taiwan.
2. Professor, Institute of Environmental Engineering, National Sun Yat-Sen Univ., Kaohsiung, Taiwan (corresponding author).
3. Professor, Dept. of Civil Engineering, Univ. of Nebraska, Lincoln, NE.
4. Project Manager, China Petrochemical Development Corporation, Kaohsiung, Taiwan.
5. Manager, Chinese Petroleum Corporation, Taipei, Taiwan.