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What is in-situ chemical oxidation (ISCO)?

In-situ chemical oxidation (ISCO) is an environmental remediation technique where chemical oxidants such as persulfate, permanganate, or hydrogen peroxide are injected into contaminated soil and groundwater to destroy organic contaminants like TCE, PCE, and petroleum hydrocarbons in place — without excavation.

What contaminants can IET remediate?

IET specializes in TCE remediation, chlorinated remediation, and comprehensive environmental treatment. We remediate chlorinated solvents (TCE/trichloroethylene, PCE/perchloroethylene, DCE, vinyl chloride), petroleum hydrocarbons (BTEX, gasoline, diesel, MTBE), heavy metals (chromium, lead), NAPL, DNAPL, PAHs, creosote, and mixed contamination using ISCO, ISCR, bioremediation, EZVI, and ISGS technologies.

How long does environmental remediation take?

Remediation timelines vary by technology and site conditions. ISCO can achieve significant contaminant reduction in weeks to months. Enhanced bioremediation typically requires 2–5 years of active treatment. IET's patented ferric iron-activated persulfate provides sustained treatment lasting over 2 years to prevent contaminant rebound.

What states does IET provide environmental drilling services?

IET provides environmental and geotechnical drilling services nationwide including Pennsylvania, Ohio, North Carolina, South Carolina, Texas, Florida, New Jersey, New York, Virginia, Georgia, Tennessee, Indiana, Illinois, and more. IET operates 50+ specialized rigs including CME, Geoprobe, AMS, and barge drilling equipment.

Large-Scale Municipal Project

Chestnut Street Groundwater Remediation

Loveland, OhioMarch-April 2023

Project Overview

IET executed one of its largest municipal remediation projects for the City of Loveland at the Chestnut Street Property. This multi-phase, month-long program completed 171 injection points with both drilling and material injection, representing a $3.1 million investment in comprehensive groundwater remediation for the community.

Project Phases

Phase 1 (March 6-15, 2023)

66 injection points completed

Phase 2 (March 16-31, 2023)

56 injection points completed

Phase 3 Final (April 1-12, 2023)

49 injection points with demobilization

Total Deployment

171 injection points across all phases

Project Details

• Client: The City of Loveland
• Site: Chestnut Street Property, Loveland, OH
• Completion Date: March 6 - April 12, 2023
• Total Injection Points: 171
• Project Duration: 37 days
• Total Project Value: $3,098,211
• Contract: 2023_COL_Chestnut-001
• PO Number: RG978952