1. US Environmental Protection Agency (EPA) Office of Research and Development National Exposure Research Laboratory Cincinnati OH
2. Department of Biology Western University London Canada
3. Department of Geological Sciences University of Manitoba Winnipeg Canada
4. Departments of Earth and Environmental Sciences and Civil and Environmental Engineering University of Waterloo Waterloo Canada
5. US Geological Survey National Research Program Lakewood CO
6. School of Geosciences University of South Florida Tampa FL
7. Department of Forest Resources and Environmental Conservation Virginia Tech Blacksburg VA
8. EPA Office of Research and Development Washington DC
9. EPA Office of Research and Development National Exposure Research Laboratory Las Vegas NV
10. Oak Ridge Institute of Science and Education National Exposure Research Laboratory Cincinnati OH
11. US Fish and Wildlife Service National Wetland Inventory Falls Church VA