Heather E Golden, Environmental Protection Agency Cincinnati, Cincinnati, OH, United States, Charles Lane, US Environmental Protection Agency, Cincinnati, OH, United States, Jay Christensen, US EPA, ORD, NERL, ESD, Las Vegas, NV, United States, Adnan Rajib, ORISE Fellow at US Environmental Protection Agency, Cincinnati, OH, United States, Samson G Mengistu, National Research Council c/o US Environmental Protection Agency, Office of Research and Development, Cincinnati, OH, United States and Qiusheng Wu, University of Tennessee, Geography, Knoxville, United States