• Mapping Subsurface Voids

    Mapping Subsurface Voids

    Mapping Subsurface Voids

  • Delineate Abandoned Landfill

    Delineate Abandoned Landfill

    Delineate Abandoned Landfills

  • Depth to Bedrock Studies

    Depth to Bedrock Studies

    Depth to Bedrock Studies

  • Remote Scour Monitoring

    Remote Scour Monitoring

    Remote Scour Monitoring

  • Bedrock Fracture Characterization

    Bedrock Fracture Characterization

    Bedrock Fracture Characterization

  • Seismic Site Class Studies

    Seismic Site Class Studies

    Seismic Site Class Studies

  • Locating Abandoned USTs

    Locating Abandoned USTs

    Locating Abandoned USTs

  • Void Studies for Bridge Construction

    Void Studies for Bridge Construction

    Void Studies for Bridge Construction

ESP’s geophysical services are proven to help solve problems and add value to environmental and engineering projects. The goals of our geophysical studies are to reduce risk and lower design and construction costs.

Example Geophysical Services:

  • Locating underground storage tanks (USTs)
  • Collecting surface wave seismic data for IBC site class
  • Delineating buried waste such as municipal landfills
  • Exploring the extent of sinkholes and karst features
  • Mapping dam seepage paths
  • Locating voids
  • Mapping lake sediment thickness
  • Locating steel reinforcement and PT cables
  • Evaluating groundwater-bearing fractures and aquifers
  • Mapping depth to bedrock

Typical Geophysical Methods:

  • Ground-Penetrating Radar (GPR)
  • Electromagnetic induction (EM)
  • Seismic refraction
  • Surface wave seismic (MASW)
  • Seismic reflection
  • Electrical Resistivity Imaging (ERI)
  • Induced Potential (IP)
  • Self-Potential (SP)
  • Micro-gravity
  • Magnetometer and gradiometer
  • Borehole geophysics
  • Overwater/underwater geophysics