Ken M. Fritz,^1,* Stephanie Fulton,^2,** Brent R. Johnson,^1,*** Chris D. Barton,^3,**** Jeff D. Jack,^4,***** David A. Word,^4,****** Roger A. Burke<sup>5,*******

1</sup>1Office of Research and Development, National Exposure Research Laboratory, US Environmental Protect
²2Region 4, Watershed Protection Division, US Environmental Protection Agency, Atlanta, Georgia 30303
³3Department of Forestry, University of Kentucky, Lexington, Kentucky 40546 USA
⁴4Department of Biology, University of Louisville, Louisville, Kentucky 40292 USA
⁵5Office of Research and Development, National Exposure Research Laboratory, US Environmental Protect

^*E-mail addresses: fritz.ken@epa.gov
^**fulton.stephanie@epa.gov
^***johnson.brent@epa.gov
^****barton@uky.edu
^*****Deceased
^******daword@gmail.com
^*******burke.roger@epa.gov