1. Department of Chemistry, Box 3065, University of Victoria, Victoria, British Columbia, Canada, V8W 3V6
2. Contaminants Science Section, Institute of Ocean Sciences, Fisheries and Oceans Canada, 9860 West Saanich Road, Sidney, British Columbia, Canada, V8L 4B2
3. Habitat and Enhancement Branch, Fisheries and Oceans Canada, Suite 200, 400 Burrard Street, Vancouver, British Columbia, Canada V6C 3S4