TerraBase® is an intuitive, SQL-compliant relational database application designed for environmental professionals and managers who need to assess and manage chemical, geological, and spatial data at one or more sites. TerraBase® allows for the automated import of chemical and field data of any media through standard electronic formats delivered from an analytical laboratory or geotechnical data from field activities. Data can be rapidly queried and displayed spatially in ArcView, 3D Analyst automatically. TerraBase® is equipped with powerful reporting capabilities allowing the user to print spatial and tabular results in pre-formatted reports as well as output data queries automatically to other applications (Microsoft Excel, Word, Access, Crystal Reports, etc.). TerraBase® has the unique capability to efficiently manage up to four levels of analytical data quality that can be combined by the environmental data user to obtain the "best analytical result". TerraBase® makes it significantly easier for an environmental scientist or manager to understand environmental data and its spatial relationships. He or she can make appropriate, informed decisions regarding site environmental issues.