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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.

Service Cleaners Interior Drilling

Charlotte Area, NC

January 2024

Dry Cleaning Facility

Interior & Exterior Investigation

Hart & Hickman contracted IET for a comprehensive assessment requiring both interior building sampling and exterior permanent well installation. The project demanded specialized interior drilling capabilities with hand auger clearance and concrete coring.

Soil Borings

8 borings

Interior borings: 5-7 ft depth

Permanent Wells

3 wells

2" diameter, ~35 ft depth

Technical Approach

Well Construction

• 2" PVC screens and riser (10-15 ft screen length)
• Well depth: ~35 feet below grade
• 2' x 2' concrete well pads
• Full well development performed

Interior Work

• Hand auger 5 feet per boring location
• Concrete coring as needed for interior access
• Equipment decontamination between all locations
• IDW containerized in 9 drums

Project Information

Client

Hart & Hickman, PC (Job No. DSO.183A)

Duration

January 16-18, 2024 (3 days)

Well Material

110 linear feet total

Total Cost

$10,942