1. Department of Environmental Engineering and Health, Chia Nan Jr. College of Pharmacy, Tainan, Taiwan, Republic of China
2. Department of Civil and Environmental Engineering, University of Delaware, Newark, Delaware 19716
3. Department of Plant and Soil Science, University of Delaware, Newark, Delaware 19716
4. New Jersey Department of Environmental Protection, Division of Science and Research, Trenton, New Jersey 08625
5. Laboratory for Ecotoxicology, National Institute of Public and Environmental Protection, 3720 BA Bilthoven, The Netherlands