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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.

Springfield Phase I Bioremediation

Springfield, IL

July 2002

Multi-Component Bio

Three-Technology Approach

Environmental Management contracted IET for Phase I bioremediation program combining ORC slow-release oxygen, bacterial BioSlurry injections with IET's LPD product, and calcium peroxide treatments for comprehensive petroleum biodegradation.

$90,098

Phase I Investment

Treatment Package

ORC Points (40 @ 10-12' BGS)

Slow-release oxygen for sustained aerobic activity

$26,480

BioSlurry Injections (53 points)

• 7 points @ 8-10' BGS: BioSlurry + 10 gal LPD ($4,767)

• 46 points @ 10-12' BGS: Enhanced BioSlurry ($31,326)

• Total LPD (Liquid Petroleum Degrader): High-count Pseudomonas

Calcium Peroxide (17 points @ 8-10' BGS)

Targeted oxygen enhancement zones

$10,200

Infiltration Gallery

Supplemental treatment distribution

$750

Project Team

Client

Environmental Management, Springfield, IL

Project Manager

Eric Andrews

Microbiologist

105 hours @ $85/hr

Site Foreman

90 hours @ $50/hr

Duration

9 days (4-person crew)

Ship Date

July 20, 2002