1. Department of Chemistry, P.O. Box 3065, University of Victoria, Victoria, British Columbia, Canada V8W 3V6
2. Fisheries and Oceans Canada, Marine Environmental Quality Section, Institute of Ocean Sciences, 9860 West Saanich Road, P.O. Box 6000, Sidney, British Columbia, Canada V8L 4B2
3. Fisheries and Oceans Canada, Pacific Biological Station, 3190 Hammond Bay Road, Nanaimo, British Columbia, Canada V9T 6N7
4. Vancouver Aquarium Marine Science Centre & University of British Columbia, P.O. Box 3232, Vancouver, British Columbia, Canada V6B 3X8