1. Professor and Director, Institute of Environmental Engineering, National Sun Yat-Sen Univ., Kaohsiung 80424, Taiwan (corresponding author).
2. Ph.D. Candidate, Institute of Environmental Engineering, National Sun Yat-Sen Univ., Kaohsiung 80424, Taiwan.
3. Engineer Director, U.S. Environmental Protection Agency, Kansas City, KS 66101-2907.
4. Researcher, Industrial Technology Research Institute, Tainan County 734, Taiwan.