Environmental Assessments

GEOTILL provides a variety of environmental investigation services, including:

  • UST closure assessments
  • Tier 1 source investigations/delineations
  • Tier 2 evaluations
  • Phase II environmental site assessments (ESAs)
  • Hydrogeologic investigations
  • RCRA facility investigations (RFIs)
  • Waste site remedial investigations (RIs)

We specialize in preparing investigation work plans, field sampling plans, and quality assurance project plans. Our geologists and scientists are experts in a variety of site investigative techniques, including sampling soil, sediment, groundwater, surface water, soil gas, and air; conducting aquifer testing, risk assessment, and computer modeling; and analyzing and interpreting chemical, hydrologic, and geophysical data.