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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.

Cleveland Soil Treatment Program

Cleveland, OH

December 2010

Soil Treatment

Multi-Depth Soil Oxidation

Environmental Management Specialists contracted IET for comprehensive soil treatment program utilizing activated persulfate-peroxide chemistry across five color-coded treatment zones with varying depths and treatment intensities.

Treatment Zones

Yellow Area (0-4' BGS)

Shallow soil treatment

130 units

Light Green Area (3-6' BGS)

Mid-shallow treatment

44 units

Blue Area (4-14' BGS)

Deep soil treatment

316 units

Purple Area (4-14' BGS) - Largest Zone

Primary treatment area

1,082.5 units

Magenta Area (4-14' BGS)

Secondary deep treatment

213 units

Areas designated by color based on site plan map

Project Information

Client

Environmental Management Firm

Location

Cleveland, Ohio

Total Units Treated

1,785.5 units across five color-coded zones

Completion Date

December 2010