1. University of Alberta, Department
of Chemistry, Edmonton, Alberta
T6G 2G2 Canada
2. Environmental
Studies Program
and Department of Chemistry, Richardson College for the Environment, University of Winnipeg, Winnipeg, Manitoba, R3B 2E9 Canada
3. Division of Analytical and Environmental
Toxicology, Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Alberta
T6G 2G3 Canada