1. Bristol Environmental Consultants, Inc. Provides Specialty Environmental Capabilities for Source Determination, Fate and Transport Analysis, and Expert Consulting

2. Data visualization and modeling tools used to guide decisions 1. Site setting2. Disposal history 4. Observed plume 3. Geology 5. Conceptual model 6. Predicted impact

3. Example Capabilities Geochemical modeling Statistical analysis

4. Environmental Geological, Geochemical and Chemical Modeling Capabilities: Details Vadose zone models: –WHI UnSatSuite: HELP; PESTAN; SESOIL; VS2DT, VLEACH –USGS VS2DI –Chemflo Saturated models: –Various 1-D and 2-D analytical flow models for both slug injection and continuous injection of substances Data visualization/graphing/2-& 3-D: –Surfer, Grapher, Sigmaplot, Rockworks 2005 Chemical/geochemical models: –Chemstat(statistical software) –PHREEQE (geochemical modeling) –HSC (Eh/pH diagrams, speciation diagrams)