S.S. Papadopulos & Associates, established in 1979, provides professional consulting services for groundwater issues. Its services include water resource studies, contamination studies, remediation feasibility studies and design, geochemical studies, software development and applied research. The company also specializes in modeling services that include management of aquifer systems, development of agricultural water budgets, simulation of contaminant flow and assessment of saltwater intrusion into coastal aquifers. In addition to directing technical investigations, the company serves as a negotiator and witness in a variety of judicial, administrative and regulatory forums. It performs these services on behalf of other industries, government agencies and law firms. Located in Bethesda, Md., S.S. Papadopulos & Associates contributes to the development of the field of groundwater science through the publication of papers and textbooks. It also provides presentations at technical conferences.