Eastern Illinois

Site Conditions
– Source Areas & Groundwater Plumes
Eastern Illinois –
CCl4 with plume in Silty Clay
(TH:15-25 ft)

Illinois – Installed, 2015

Operating Facility

  • CCL4 in Groundwater in Glacial Till Soils
  • 15-25 ft (silty clay with thin sand and silt seams)
  • 2015 – Pilot Study to control plume migration
  • 2016 – Success: Source Area Recovery Wells Shutdown

Plume Control & Groundwater Remediation

  • Groundwater modeling indicated that 28 additional TreeWell units required to insure plume control – Additional Planted 2017

  • Model at 20 GPD/tree

  • Results – Hydraulic Impact 2016, 2017

Pre-Planting
November, 2014

April 2016

August 2017

Combining Technologies

  • Source area reduction with Electrical Resistance Heating (ERH)
  • Groundwater Plume Control with Expanded TreeWell system