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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.

PDC Banbrook Major Investigation

Oklahoma City, OK

February 2024

Large-Scale Project

Large-Scale Geotechnical Program

Olsson contracted IET for a major geotechnical investigation supporting PDC Banbrook development. This progressive invoice represents significant drilling operations with extensive rock coring requirements.

Total Borings

1,475 ft

Total Footage (Progressive)

Drilling Breakdown

Auger Boring

Footage (0-80 ft)400 ft

Rate$20.25/ft

NQ Rock Core

Footage364 ft

Rate$38/ft

Core Boxes18 boxes

Project Information

Client

Olsson (Project# 023-0771)

Completion Date

February 1, 2024

Equipment

Air compressor (2 weeks rental)

Progressive Invoice

$26,316