The staff of scientists and engineers at Letterle & Associates has been solving environmental problems and effectively remediating sites for clients for more than 15 years.

Our experience has included designing and operating various types of remediation systems, including: Dual phase (groundwater and soil vapor) extraction; vacuum enhanced groundwater extraction; standard pump and treat; free-phase product recovery; enhanced bioremediation; oxygen and chemical injection; and air sparging. Our innovative and cost effective approach to remediation services has resulted in returning devalued properties back to productive use. Our remediation services experience includes:

  • Remedial feasiblity evaluation
  • Pilot testing and design
  • Remedial action plans
  • Engineering design for remediation systems
  • Plume control/containment systems
  • Cost/benefit analysis
  • Construction management services
  • Subcontractor management
  • Turnkey installation of remediation systems