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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.

Shell Wharf Coal Tar ISGS Remediation

Montreal-EST, QC, Canada

August 2015

Coal Tar / ISGS

Coal Tar ISGS Treatment

Laganiere Recon ULC contracted IET for specialized In-Situ Geochemical Stabilization (ISGS) services at the Shell Wharf facility in Montreal to address coal tar DNAPL contamination. This REWARD project utilized ISGS technology for coal tar NAPL encapsulation and stabilization, reducing contaminant flux while destroying dissolved-phase constituents.

$173,711 CAD

ISGS Services

$199,724 CAD

Total w/ Taxes

Canadian Tax Details

In-Situ Remedial Services - ISGS Coal Tar Treatment$173,711.00 CAD

5% GST (GST# 840134373RT0001)$8,686 CAD

9.975% QST (QST# 1220819007TQ0001)$17,328 CAD

Total (CAD)$199,724.22

Project Details

Client

Laganiere Recon ULC

Location

35 Avenue Laganiere, Montreal-EST, QC H1B 5T1

PO Number

LR150641

Ship Date

August 7, 2015

Project Name

REWARD

Supplier

IET (Innovative Environmental Technologies)

Currency

All prices in CAD

Technology

ISGS - In-Situ Geochemical Stabilization for Coal Tar