Beth Lemberg, David Szlag, Hale W. Thurston, and Haynes C. Goddard

Beth Lemberg is with EPA's Office of Research and Development National Risk Management Research Laboratory in Cincinnati, OH. David Szlag is with EPA's Office of Research and Development National Risk Management Research Laboratory in Cincinnati, OH. Hale W. Thurston is with USEPA's Office of Research and Development National Risk Management Research Laboratory in Cincinnati, OH. Haynes C. Goddard, is with EPA's Office of Research and Development National Risk Management Research Laboratory in Cincinnati, OH.