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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.

Safe Harbor Pavement Assessment

Lewisville, TX

January 2024

Pavement Project

Pavement Geotechnical Study

Colliers Engineering contracted IET for a comprehensive pavement assessment requiring continuous SPT sampling, Shelby tube collection, and complete concrete coring/patching services.

Borings

90 ft

Total Depth

$4,408

Project Cost

Sampling Program

Continuous SPT Sampling

31 SPT tests at 5-foot intervals for first 10 feet of each boring

Shelby Tube Samples

5 undisturbed Shelby tube samples (3" x 30") with waxing and caps

Surface Work

9 concrete/asphalt cores with complete patching restoration

Project Information

Client

Colliers Engineering (Project# 23006982A)

Completion Date

January 30, 2024

Sales Representative

Randall Cutter

Site

Safe Harbor Pavement, Lewisville