Environmental Investigation and Remediation

ERRG’s scientists, geologists, engineers, construction managers, and crews provide our clients with the full-suite of environmental services within a single firm, from initial investigation through design, remediation, and site closure.


  • Soil, Groundwater, and Soil Gas Investigations
  • Geophysical Subsurface Investigation
  • CERCLA Investigations (PA/SIs, RI/FSs, Proposed Plans, RODs)
  • Mining Investigation, Cleanup, and Reclamation
  • Pilot/Treatability Studies
  • SWPPP Development and Implementation (BMPs)
  • Soil Excavation and Disposal
  • Waste Characterization/Profiling
  • Transportation and Disposal
  • Groundwater/Soil Vapor Treatment System Installation
  • Industrial Site Closure and Decommissioning
  • UST/AST Removal/Closures
  • Aquatic Ecosystem Restoration

Featured Projects