1. Senior Project Engineer and Bioremediation Specialist, Malcolm Pirnie, Inc., Emeryville, CA 94608.
2. Graduate Student, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, CA 94720-1710.
3. Environmental Engineer, c/o Malcolm Pirnie, Inc., Emeryville, CA 94608.
4. Associate, Malcolm Pirnie, Inc., East Lansing, MI 48823.
5. Engineer, Malcolm Pirnie, Inc., Emeryville, CA 94608.
6. Professor, Dept. of Civil and Environmental Engineering, Univ. of Iowa, Iowa City, IA 52242-1527.
7. Vice President, Malcolm Pirnie, Inc., Emeryville, CA 94608.
8. Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, CA 94720-1710.