Affiliation: | 1. Department of Biological Sciences, Central Washington University, Ellensburg, WA, U.S.A;2. Office of Research and Development, National Risk Management Research Laboratory, US EPA, Cincinnati, OH, U.S.A;3. Office of Research and Development, National Exposure Research Laboratory, US EPA, Cincinnati, OH, U.S.A;4. Office of Research and Development, National Health and Environmental Effects Research Laboratory, US EPA, Duluth, MN, U.S.A;5. Office of Research and Development, National Health and Environmental Effects Research Laboratory, US EPA, Corvallis, OR, U.S.A;6. Department of Geology and Earth Systems Interdisciplinary Center, University of Maryland, College Park, MD, U.S.A;7. Pegasus Technical Services, Cincinnati, OH, U.S.A |