Department of Microbiology and Department of Civil and Environmental Engineering, University of Tennessee, Knoxville, Tennessee 37996, School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0512, Tetra Tech Inc., 661 Anderson Drive, Pittsburgh, Pennsylvania 15220, Geosyntec Consultants, 8120 Main Street, Dexter, Michigan 48130, Microbial Insights, 2340 Stock Creek Boulevard, Rockford, Tennessee 37853-3044, Savannah River National Laboratory, Aiken, South...(At 2010-06-14)