1. Department of Applied Chemical and Biological Sciences, Ryerson Polytechnic University, Toronto, Ontario, M5B 2K3, Canada
2. Pulp and Paper Centre, Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario, M5S 1A4, Canada
3. National Water Research Institute, Environment Canada, Burlington, Ontario, L7R 4A6, Canada
4. Department of Biology, McMaster University, Hamilton, Ontario, L8S 4K1, Canada