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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.

New Jersey ISEB Bioaugmentation Program

Parsippany, NJ

May 2019

ISEB Technology

DHC Bioaugmentation with Reductant

An environmental consulting firm contracted IET for an in-situ enhanced bioremediation (ISEB) program utilizing Dehalococcoides (DHC) microbial inoculum combined with an electron donor reductant. Each injection event included chase water for complete subsurface distribution.

56 events

ISEB Injections

74 units

DHC Inoculum

Program Components

Materials

• Sodium ascorbate electron donor reductant

• BAC-9 Dehalococcoides microbial inoculum

ISEB Injection Services

• 56 base injection events with chase water for complete distribution

• Additional volume injections per event for full zone coverage

Mobilization/Demobilization

Complete crew and equipment mobilization/demobilization services

Project Information

Client

Environmental Consulting Firm

Location

Parsippany, New Jersey

Completion Date

May 2019

Technology

ISEB with DHC bioaugmentation

Bacterial Culture

BAC-9 Dehalococcoides

Electron Donor

Sodium ascorbate