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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.

St. Louis Northeast PRB with Advanced Microbial Enhancement

St. Louis, MO

December 2019

AMR Enhanced

Advanced AMR-Enhanced Barriers

An environmental consulting firm contracted IET for a Northeast PRB expansion featuring advanced microbial remediation compound enhancement. The program included complete materials and field services for NE1 and NE3 barriers, plus materials supply for the Southern Plume treatment zone.

Treatment Components

Northeast PRB NE1 (Complete Program)

All materials and field labor included for barrier installation

Northeast PRB NE3 (Complete Program)

All materials and field labor included for barrier installation

Southern Plume Treatment (Materials Supply)

• Electron donor substrate (Provect-IR): large volume

• Zero Valent Iron: micro-scale iron powder

• Advanced Microbial Remediation (AMR) compound

• Magnesium oxide, vitamin and nutrient package

• Hydrolyzed kelp and calcium propionate electron donors

Additional Services

• Stand-by time during field operations

• Equipment storage and logistics

• Complete mobilization/demobilization

Project Details

Client

Environmental Consulting Firm

Location

St. Louis, Missouri

Completion Date

December 2019

On-Site Duration

8 days total field operations

Special Technology

Advanced Microbial Remediation (AMR) compound enhancement

Scope

Complete PRB installation (NE1, NE3) + materials supply (Southern Plume)