1. Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, Missouri.
2. Center for Disease Control and Prevention, National Institute for Occupational Safety and Health, Cincinnati, Ohio.
3. Global Energy Partners, LLC, Oakhurst, California.
4. Office of Research and Development, National Risk Management Research Laboratory, U.S. Environmental Protection Agency, Cincinnati, Ohio.
5. Shaw Environmental and Infrastructure, Inc., Cincinnati, Ohio.