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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.

Kwiklean Cleaners Assessment

Charlotte Area, NC

January 2024

Dry Cleaning Facility

Multi-Component Investigation

Hart & Hickman contracted IET for a comprehensive three-component assessment at the Kwiklean dry cleaning facility, including permanent wells, soil borings, and vapor investigation.

Permanent Wells

Soil Borings

Soil Gas Points

Permanent Well Installation

Configuration: Four 2" flush-mounted monitoring wells

Depth: Approximately 25 feet (10 ft screen sections)

Completions: Manholes with 2' x 2' concrete pads

Total Well Material: 65 linear feet

Services: Complete well development included

Soil Gas Investigation

• Three temporary soil gas points to 6 feet
• Hand auger advancement for sample collection
• Soil samples collected from gas point locations
• Interior and exterior installations

Project Execution

Client

Hart & Hickman, PC (Job No. DSO-181A-D)

Project Manager

Colin Carraway, PG

Duration

January 15-18, 2024 (3 days)

Total Cost

$10,700

Special Requirements

Concrete coring, hand augering upper 5 ft, IDW drumming

IDW Management

8 drums of soil/water waste containerized