1. Civil and Environmental Engineering Department
2. Virginia Tech
3. Blacksburg
4. USA
5. Hampton Roads Sanitation District
6. Civil and Environmental Engineering
7. University of California Davis
8. Davis
9. Brown and Caldwell
10. Walnut Creek
11. ARA Consult
12. A-6020 Innsbruck
13. Austria
14. DC Water Authority
15. Washington DC
16. Department of Earth and Environmental Engineering
17. Columbia University
18. New York
19. Virginia Beach