Committees
- Member, CLEANER Committee, National Research Council (NRC)
- Member, Publications Committee, American Academy of Environ. Engineers (AAEE)
- Board member, Hazard Assessment and Control of Toxic Substances in Water, International Water Association (IWA), 7/00-present.
- Scientific committee member, Leading Edge Technologies, International Water Association (IWA), 7/03-present.
- Panel member, NCEES Environmental Engrg. minimum competency requirements, 11/04.
- International Expert Committee for the Mexican Institute of Petroleum for the evaluation of projects of the Biotechnology Program on Petroleum, 2/00-2/04.
- AWWARF Project Advisory Committee, 1998
- Expert Advisor, Brownfields Technical Advisory Committee, State of Iowa, 1997
- Expert Advisor, Underground Storage Tank Interim Study Committee of the General Assembly of Iowa, 1993, 1995.
- Consultant, Government of the Commonwealth of Dominica, Roseau, 1991 (Assisted in formulation of environmental policies for economic growth)
- Consultant, The City of Ann Arbor, MI, 1991 (Designed and implemented a landfill groundwater monitoring plan)