1. PhD Associate Professor, Polytechnic Univ., 6 Metrotech Center, Brooklyn, NY 11201.
2. Senior Project Manager, GZA Geoenvironmental, 2 Penn Plaza, New York, NY 10121.
3. Graduate Research Assistant, Univ. of Massachusetts, Amherst, MA 01003.
4. Highway Research Engineer, FHWA, 6300 George Town Pike, McLean, VA 22101.