Contamination / Remediation

Identifying and evaluating environmental impacts

With years of experience in subsurface site investigations, Shannon & Wilson is a leader in identifying the nature and extent of environmental impacts to groundwater, surface water, soils, air, and sediment. We develop solutions based on a thorough understanding of the regulatory, financial, technical, and operational constraints our clients face.  From environmental site assessments to the intricacies of complex site remediation, we engineer cost-effective solutions to meet our clients' needs. 


  • Environmental site assessments
  • Hazardous materials surveys and abatement oversight for asbestos, radon, PCBs, and lead-based paint
  • PFAS evaluations
  • Storage-tank management
  • Spill prevention, control, and countermeasure (SPCC) plans
  • Stormwater pollution prevention plans (SWPPPs)
  • Remedial investigations/feasibility studies
  • Site remediation and closure
  • Vapor intrusion assessments
  • Groundwater monitoring and plume modeling

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