1. Assistant Professor, Environmental Engineering, Penn State Harrisburg, 777 W. Harrisburg Pike TL-105, Middletown, PA 17057.
2. Water Resources Engineer, URS Corporation, 200 Orchard Ridge Drive, Suite 101, Gaithersburg, MD 20878.
3. Explosives Safety Engineer, Facilities Certification Branch (N546), Naval Ordnance Safety and Security Activity (NOSSA), 3817 Strauss Ave., Farragut Hall, Suite 108, Code N54, Indian Head, MD 20640.
4. Environmental Scientist, Michael Baker, Jr., 100 Airside Drive, Moon Township, PA 15108.