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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.

Land Drilling & Rock Coring

2200 Coates Road, Grandbury, TX

September-October 2025

Project Overview

IET executed an extensive land-based drilling and rock coring program in Grandbury, Texas, for WSP. The multi-phase project involved 365 linear feet of soil drilling and 275 linear feet of rock coring, managing weather standby periods while maintaining a geotechnical rig on-site for continuous capability to advance the investigation.

Services Performed

Soil drilling (365 linear feet)
Rock coring (275 linear feet)
Geotechnical rig daily rate operations
Weather standby management (4 days)
Multiple mobilizations for phased work

Project Details

Completion Date:

September 16-26 & October 23-28, 2025

Soil Drilling:

365 linear feet

Rock Coring:

275 linear feet

Client:

WSP (Project P140252US001)

Key Features

Multi-phase project with flexible scheduling and weather management
Comprehensive drilling program combining soil and rock investigations
Professional geotechnical rig operations with experienced crew
Maintained site readiness during weather delays