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This case study reviews a former manufacturing facility in Indianapolis that had released high levels of chlorinated solvents into the groundwater, creating a large plume extending to the White River. A combined in situ biogeochemical reduction solution rapidly mitigated the threat to river and saved the client $380,000.

Case study highlights:

  • Large TCE plume effectively treated using combined technology solution from REGENESIS, including PlumeStop and S-MicroZVI
  • Accurate mapping of CVOC flux zones using FluxTracers saves $380,000 in project costs
  • Safe and efficient installation meets time and budget requirements

Wilcox Environmental Engineering, Inc., a leading engineering and consulting firm based in Indianapolis, was hired by the responsible party to investigate the site. After evaluating the remedial options, Wilcox worked with REGENESIS to design a solution for in situ remediation of the TCE plume using biogeochemical reduction in the onsite plume area and sorption-enhanced chemical reduction in the offsite plume. This approach entailed placing permeable reactive barriers (PRBs) perpendicular to groundwater flow in strategic plume areas.