Expert Services

publications

Fuzzy Rule-Based Expert System for Risk-Based Corrective Act...

GIS Technologies as Evidence...

Field data and modeling MTBE remediation by SVE...

contact
Nicole T. Sweetland, PhD (805) 683-2409 E-mail

Online Data Management System

DBS&A provides technical expertise in support of environmental, water resource, and water rights disputes. Our staff includes specialists in hydrogeology, geology, geochemistry, contaminant fate and transport, groundwater modeling, document indexing and management, data visualization, courtroom exhibits, and expert opinion report production.

Name	Expertise
T. Neil Blandford, P.G. nblandford@dbstephens.com	Groundwater and contaminant modeling Water rights analysis Water supply investigations
John Burkstaller, P.E. jburkstaller@dbstephens.com	Water resources planning Water and wastewater treatment Aquifer storage and recovery
Kenny Calhoun, GISP kcalhoun@dbstephens.com	Geographic information systems (GIS) Aerial and satellite imagery analysis Environmental database development
Stephen J. Cullen, Ph.D., P.G., REA II, CEM (NV), CPSS scullen@dbstephens.com	Soil and groundwater contaminant hydrogeology Remediation planning and cost allocation Vadose zone monitoring and hydrology
Daniel B. Stephens, Ph.D., P.Hg., P.G. dan.stephens@dbstephens.com	Hydrogeology Environmental forensics Remedial action programs
Nicole T. Sweetland, Ph.D., P.G. nsweetland@dbstephens.com	Hydrogeology Environmental forensics Contaminant fate and transport