Hydrogeology

  1. Groundwater Investigation and Remediation
    1. Site Characterization
      1. Geologic Investigation
        1. Surface Mapping
          1. Subsurface Exploration
            1. Stratigraphic Analysis
            2. Drilling and Sampling
              1. Drilling Methods
                1. Continuous Core Sampling
                  1. Split-Spoon Sampling
                    1. Borehole Logging
                    2. Geophysical Methods
                      1. Electrical Resistivity
                        1. Ground Penetrating Radar
                          1. Seismic Methods
                            1. Electromagnetic Methods
                            2. Hydrogeologic Testing
                              1. Aquifer Testing
                                1. Slug Testing
                                  1. Tracer Testing
                                  2. Chemical Sampling
                                    1. Groundwater Sampling
                                      1. Soil Sampling
                                        1. Quality Assurance
                                      2. Remediation Technologies
                                        1. Source Control
                                          1. Source Removal
                                            1. Source Containment
                                              1. Institutional Controls
                                              2. Hydraulic Control
                                                1. Pump and Treat Systems
                                                  1. Hydraulic Barriers
                                                    1. Permeable Reactive Barriers
                                                    2. In-Situ Treatment
                                                      1. Bioremediation
                                                        1. Chemical Oxidation
                                                          1. Chemical Reduction
                                                            1. Thermal Treatment
                                                            2. Physical Treatment
                                                              1. Air Sparging
                                                                1. Soil Vapor Extraction
                                                                  1. Dual-Phase Extraction
                                                                  2. Natural Attenuation
                                                                    1. Monitored Natural Attenuation
                                                                      1. Intrinsic Bioremediation
                                                                        1. Enhanced Natural Attenuation

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                                                                    11. Contaminant Hydrogeology

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                                                                    13. Groundwater Modeling