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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.

DPT & Hollow-Stem Auger Project

1035 Mecklenburg Highway, Charlotte area, NC

November 12-14, 2025

Project Overview

IET completed a comprehensive drilling investigation combining direct push technology (DPT) and hollow-stem auger drilling methods. The project included installation of five temporary 2-inch monitoring wells to 40 feet, soil borings both inside and outside a building, concrete coring, and subsequent well abandonment—all completed with hand-clearing of each location.

Services Performed

Five 2" temporary monitoring wells to 40 feet (235 linear feet)
Hand clearing to 5 feet using decontaminated auger
Two soil borings to 15 feet inside building
Concrete coring for interior access
Complete well abandonment services

Project Details

Completion Date:

November 12-14, 2025

Project Duration:

3 days (2-man DPT crew)

Total Depth:

235 linear feet drilled

Client:

Hart & Hickman, PC

Key Features

Multi-method approach combining DPT and hollow-stem auger drilling
Interior building investigation with concrete coring capabilities
Complete turnkey service from installation to abandonment
Proper decontamination protocols between boring locations