1. Department of Environmental Toxicology, University of California, Davis, USA
2. U.S. Geological Survey, Upper Midwest Water Science Center, USA
3. U.S. Geological Survey, New Jersey Water Science Center, USA
4. U.S. Geological Survey, Idaho Water Science Center, USA
5. Reed Harris Environmental Ltd, Toronto, Canada
6. Idaho Power Company, USA
7. U.S. Geological Survey, Water Mission Area, USA