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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.

Memphis Three-Area Program

Memphis, TN

January 2009

Three Areas

Variable-Density Treatment

An environmental consulting firm contracted IET for a three-area injection program with customized point spacing based on each area's contamination profile and coverage requirements.

Area Specifications

Area A

• 4 injection locations

• Coverage: 2,400 ft²

• Materials per proposal

Area B (Largest)

• 10 injection locations

• Coverage: 6,400 ft²

• Materials per proposal

Area C

• 6 injection locations

• Coverage: 4,050 ft²

• Materials per proposal

Project Details

Client

Environmental Consulting Firm

Location

Memphis, Tennessee

Total Coverage

12,850 ft² across three areas

Completion Date

January 2009

Total Points

20 injection locations