1. Office of Research and Development, Drinking Water Management Branch, Center for Environmental Solutions & Emergency Response, Water Infrastructure Division, U.S. Environmental Protect Agency, 26W. Martin Luther King Dr., Cincinnati, Ohio 45268, United States
2. Office of Research and Development, Center for Environmental Solutions & Emergency Response, Water Infrastructure Division, Oak Ridge Associated Universities (ORAU) Student Services Contractor to the U.S. Environmental Protect Agency, Cincinnati 45268, United States
3. Office of Research and Development, Center for Environmental Solutions & Emergency Response, Water Infrastructure Division, U.S. Environmental Protect Agency, 26W. Martin Luther King Dr., Cincinnati, Ohio 45268, United States