1. University of Illinois at Urbana−Champaign, Department of Civil and Environmental Engineering, 205 North Mathews Avenue, Urbana, Illinois 61801, United States
2. Colorado School of Mines, Department of Civil and Environmental Engineering, 1500 Illinois Street, Golden, Colorado 80401, United States
3. University of California at Riverside, Department of Chemical and Environmental Engineering, 900 University Avenue, Riverside, California 92521, United States
4. Stanford University, Department of Materials Science and Engineering, 450 Serra Mall, Stanford, California 94305, United States
5. CDM Smith, 110 Fieldcrest Avenue, Edison, New Jersey 08837, United States