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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.

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CME Drilling Equipment Fleet

Overview

CME drilling equipment represents our largest fleet of specialized drilling rigs. From compact ATV-mounted units to track rigs, CME's versatile line of equipment provides solutions for virtually any drilling application.

CME Models in Our Fleet

CME 550-X

High Torque ATV Rig

1 Unit

2011

CME 750-X

High Torque ATV Rig

1 Unit

2004

CME 45C

Truck Rig

1 Unit

1976

CME 75

ATVs and Truck Mounted

3 Units

Various

CME 55

ATV Rig

1 Unit

Available

CME 850

Track Rig

1 Unit

Available

Key Capabilities

Diverse configurations for different terrain and access conditions
High-torque drilling for challenging geology
ATV-mounted units for sensitive/restricted areas
Proven environmental drilling and injection performance

Applications

• Environmental site characterization
• Monitoring well installation
• Direct-push injection operations
• Soil sampling and remediation
• Geotechnical investigations