Hydro Geo Chem, Inc.

Expert Witness Services


Hydro Geo Chem, Inc. has an active practice providing expert witness testimony and litigation support.

Our staff has provided expert witness testimony in the following areas:

  • In-situ remediation of soil and groundwater
  • Vapor transport of contaminants through unsaturated soil
  • Design and performance of soil vapor extraction systems
  • Landfill gas generation
  • Groundwater flow through fractured rocks
  • Groundwater resource adjudication
  • Surface water/groundwater interactions
  • Fate and transport of petroleum hydrocarbons
  • Environmental impacts to real estate values
  • Dating of environmental releases for insurance claims
  • Allocation of environmental liabilities

Our expert witnesses are supported by a technical staff experienced in document management and preparation of trial exhibits. We have full in-house capabilities to prepare high quality artistic and computer-generated graphics for trial exhibits including computer animations of numerical modeling results.

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