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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.

Chemical Facility EHC Well Injection

Florham Park, NJ

February 2013

EHC Injection

Lump-Sum Well Injection Program

A chemical manufacturing facility contracted IET for a lump-sum EHC injection program targeting existing monitoring wells to treat chlorinated solvent contamination. Large quantities of hydrogen-releasing compound were delivered directly into existing wells, with site restoration included. IET's flexible approach accommodated field conditions to optimize treatment delivery.

87,500+ lbs

EHC Injected

11 wells

Injection Points

Program Scope

Lump-sum EHC injection program:Large quantity hydrogen-releasing compound delivered to 11 existing monitoring wells

Field adjustments:Program adapted to site conditions to optimize treatment delivery efficiency

Site restoration:Complimentary extra days on site and site restoration services provided

Project Information

Client

Chemical Manufacturing Facility

Location

Florham Park, New Jersey

Technology

EHC (Enhanced Hydrogen Release)

Ship Date

February 20, 2013

Delivery Method

Well-based injection (existing monitoring wells)

Customer Service

Complimentary extra days & restoration