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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.

Enhanced Bioremediation

Kexit Property Remediation

Rossville, GeorgiaAugust 2025

Project Overview

IET executed a nine-day enhanced bioremediation program at the Kexit LLS Property in Rossville, GA for Terracon. The extensive project involved 37 concrete core locations for subsurface access, deploying a comprehensive blend of enhanced reductive dechlorination reagents including Zero Valent Iron, Provect-IR and ERD substrates, and specialized microbial nutrients.

Treatment Formula

Provect-IR & ERD

11,551 lbs total of enhanced reductive substrates

Zero Valent Iron

4,366 lbs for enhanced dechlorination

Specialized Nutrients

Vitamin B2 (7,920g), Red Yeast Rice (16,851g), Vitamin B12 (570g)

Supporting Reagents

Propionate (1,850 lbs), sulfite/nutrients (740 lbs combined)

Project Details

• Client: Terracon
• Site: Kexit LLS Property, Rossville, GA
• Completion Date: August 2025
• Technology: Enhanced Bioremediation with ZVI
• Injection Duration: 7 days (9 days total with crew support)
• Concrete Cores: 37 locations
• Total ZVI: 4,366 lbs
• Total Substrates: 11,551 lbs