1. Environmental Chemistry and Technology Program, University of Wisconsin-Madison, 660 N. Park Street, Madison, Wisconsin 53706, United States
2. U.S. Geological Survey, Upper Midwest Water Science Center, USGS Mercury Research Laboratory, 8505 Research Way, Middleton, Wisconsin 53562, United States
3. U.S. Environmental Protection Agency Office of Research and Development, Center for Computational Toxicology and Exposure, Great Lakes Toxicology and Ecology Division, 6201 Congdon Blvd, Duluth, Minnesota 55804, United States
4. St. Croix Watershed Research Station, Science Museum of Minnesota, 16910 152nd St. N., Marine on St. Croix, Minnesota 55047, United States
5. State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, 99 Lincheng West Road, Guanshanhu District, Guiyang, Guizhou 550081, China
6. Department of Marine Sciences, University of Connecticut, Groton, Connecticut 06340, United States
7. Department of Natural Sciences, University of Alaska Southeast, Juneau, Alaska 99801, United States
8. University of Wisconsin Aquatic Sciences Center, 1975 Willow Dr., Madison, Wisconsin 53706, United States