1. Ph.D. Candidate, Institute of Environmental Engineering, National Sun Yat-Sen Univ., Kaohsiung 80424, Taiwan.
2. Professor, Institute of Environmental Engineering, National Sun Yat-Sen Univ., Kaohsiung 80424, Taiwan (corresponding author).
3. Professor, Dept. of Biological Science, National Sun Yat-Sen Univ., Kaohsiung 80424, Taiwan.
4. Senior Research Scientist, Organochemicals Div., National Institute for Agro-Environmental Sciences, Ibaraki 305-8604, Japan.
5. Engineer Director, U.S. Environmental Protection Agency, Kansas City, KS 66117.