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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.

Geotechnical Drilling Project

State Highway 71, Bastrop, TX

July 2025

Project Overview

IET completed geotechnical soil boring services at a site on State Highway 71 in Bastrop, Texas. The project involved collecting undisturbed soil samples using Shelby tube sampling methods to assess subsurface conditions for engineering design purposes.

Services Performed

Soil borings to 40 feet depth (70 linear feet total)
Thin wall Shelby tube sampling
Sample capping and sealing
On-site mobilization and setup

Project Details

Completion Date:

July 15, 2025

Total Depth:

70 linear feet

Sampling Method:

Thin Wall Shelby Tubes

Client:

Colliers Engineering

Key Features

Undisturbed soil sample collection for geotechnical analysis
Professional sampling techniques ensuring sample integrity
Efficient mobilization and project execution in Texas