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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.

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RemediationISCO — Provect OXInvoice #4424

Provect OX ISCO Injection — Welded Tubes, Orwell OH

Orwell, OH May 11–21, 2026 Client: HzW Environmental Consultants

Reagent Delivered

26,880 lbs Provect OX

Treatment Areas

Areas 1, 2, and 3 (9 field days)

Contract Value

$175,431.20

Project Overview

IET delivered a comprehensive Provect OX in-situ chemical oxidation (ISCO) program at the Welded Tubes facility in Orwell, Ohio for HzW Environmental Consultants. The program addressed soil and groundwater contamination across three treatment areas (Areas 1, 2, and 3) over a 9-day field program from May 11–21, 2026.

A total of 26,880 pounds of Provect OX was delivered using IET's direct push probe rig and proprietary injection trailer system. Provect OX is a self-activating chemical oxidant combining hydrogen peroxide and calcium peroxide that generates sustained dissolved oxygen and free radical species — making it effective for petroleum hydrocarbons and co-contaminant treatment in industrial settings.

The turnkey program included full IET supervision, injection equipment, transportation logistics, forklift services, and complete field documentation for regulatory reporting.

Scope of Work

26,880 lbs Provect OX delivered and injected across 3 treatment areas
9 operational days with IET probe rig and injection trailer
Full IET field supervision for all 9 treatment days
Administration including hazmat shipping, forklift management, and daily reports
3-man crew with full per diem and mob/demob
Work period: May 11–21, 2026

Project Details

Client

HzW Environmental Consultants LLC — Mentor, OH 44060

Site

Welded Tubes — Orwell, OH

IET Sales Rep

Wade Meese

Technology

Provect OX (ISCO — Self-Activating Chemical Oxidant)

Reagent Quantity

26,880 lbs Provect OX

Treatment Areas

Areas 1, 2, and 3

Field Days

9 days (May 11–21, 2026)

Equipment

Probe Rig + IET Injection Trailer

Related IET Services

Chemical Oxidation (ISCO)Petroleum Remediation Ohio Services Injection Services All Case Studies