1. Environment Canada, Room 300 Park Plaza, 2365 Albert Street, Regina, Saskatchewan, Canada, S4P 4K1
2. Fisheries and Oceans, Freshwater Institute, 501 University Crescent, Winnipeg, Manitoba, Canada, R3T 2N6
3. Environment Canada, National Water Research Institute, Burlington, Ontario, Canada, L7R 4A6
4. Axys Analytical Services Ltd., P.O. Box 2219, 2045 Mills Road, Sidney, British Columbia, Canada, V8L 3S8
5. Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada, T6G 2E9
6. Environment Canada, 2nd Floor, Twin Atria Building, 4999 98th Avenue, Edmonton, Alberta, Canada, T6B 2X3