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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.

Dry Cleaner Multi-Zone Treatment Program

Millington, TN

April 2009

Dry Cleaning Facility

Four Saturated Zones Plus Galleries

An environmental consulting firm contracted IET for comprehensive injection services at a dry cleaning facility in Millington, TN. The program featured four distinct saturated treatment zones plus two infiltration galleries for complete plume management.

Program Components

Saturated Zone Treatments

• Zone 1: Primary source area
• Zone 2: Mid-plume treatment
• Zone 3: Extended coverage
• Zone 4: Downgradient monitoring

Infiltration Galleries

• Gallery 1: Northern distribution
• Gallery 2: Southern distribution
• Passive plume interception
• Long-term sustained release

Project Details

Client

Environmental Consulting Firm

Location

Millington, Tennessee

Completion Date

April 2009

Facility Type

Dry cleaning facility