Letterle & Associates has substantial experience performing environmental investigations and assessments for numerous clients at current and former industrial and commercial facilities. Our staff of qualified professionals has experience in conducting:

  • Environmental site investigations and characterizations
  • Phase I and Phase II Environmental Site Assessments
  • Groundwater fate and transport modeling
  • Human health and ecological risk assessments
  • Due diligence audits
  • Property transfer assistance
  • Geophysical investigations
  • Aquifer characterization
  • Underground storage tank closure assessments
  • Vapor intrusion investigation, monitoring and modeling
  • Groundwater modeling and monitoring