1. Mid-Continent Ecology Division, U.S. Environmental Protection Agency, 6201 Congdon Blvd., Duluth, Minnesota 55804, United States
2. Wisconsin Water Science Center, U.S. Geological Survey, 8505 Research Way, Middleton, Wisconsin 53562, United States
3. National Center for Computational Toxicology, U.S. Environmental Protection Agency, 109 T.W. Alexander
Drive, Research Triangle Park, North Carolina 27711, United States
4. National Research Council, U.S. Environmental Protection Agency, 6201 Congdon Blvd., Duluth, Minnesota 55804, United States
5. Great Lakes National Program Office, U.S. Environmental Protection Agency, 77 West Jackson Blvd., Chicago, Illinois 60604, United States
6. Math, Science,
and Technology Department, University of Minnesota Crookston, 2900 University Avenue, Crookston, Minnesota 56716, United States
7. Badger Technical Services, 6201
Congdon Blvd., Duluth, Minnesota 55804, United States