Site Investigation & Consulting

GSE’s site investigation and remediation consultants are a team of environmental scientists and engineers who provide focused environmental studies, cost-effective solutions, and positive regulatory results for our clients. GSE’s capabilities include comprehensive Resource Conservation and Recovery Act (RCRA) and Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) investigations; hydro geologic studies; sampling of soil, soil gas, groundwater, air, surface water, and sediments; aquifer testing; contaminant fate and transport modeling; expert interpretation of sampling, aquifer test, and modeling results; and spill remediation. Our remediation experts can perform multimedia sampling and transport modeling to characterize site conditions and contaminant distributions in soil, soil vapor, groundwater, surface water, and air. GSE’s environmental professionals also have extensive experience in designing and conducting feasibility studies and pilot tests to evaluate various remediation technologies.


  • Site Characterization
  • RCRA and CERCLA Investigations
  • Treatability and Pilot Studies
  • Community Involvement Support
  • Negotiation Support
  • Soil and Groundwater Assessment
  • Risk Assessment