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Soil Remediation System

HydroGreen

EHCS - 1270 SUMMARY

The EHCS - 1270 Soil Remediation System utilizes an In-Situ treatment technology designed to deactivate and neutralize petroleum based hydrocarbons. The EHCS - 1270 treatment technology works on the principal of converting a wide range of hydrocarbon compounds into their basic solid, liquid and vapor phase primary elements of carbon and water by utilizes a three stage catalytic technology consisting of EHCS 1270s - Substrate, EHCS 1270c - Catalyst and EHCS 1270ta - Termination Agent to disassemble the chemical structure of the target hydrocarbons. These primary elements are rendered inert enabling the remediated soil to remain in place with no further treatment required. Post treatment soil retains no harmful hydrocarbon byproducts as a result of the process and is brought back to a state, which vigorously supports healthy plant growth.

EHCS - 1270 emulsifies pre treatment solid components which consist of asphaltic and paraffin-based materials. The target contaminates are held in suspension through the use of biodegradable anionic and non-anionic surfactants, assuring that cleaned soil does not become re-contaminated as surrounding contaminates are disassembled. These suspended hydrocarbon contaminates are then treated through a methane catalytic reaction and alkali stabilization process to ensure the pH is properly maintained during remediation. Resulting byproducts of the process include water end elemental carbon with TPH (Total Petroleum Hydrocarbons) and BTEX (benzene, toluene, ethyl benzene and xylene) reduced down to levels that comply with all state and federal limits. Existing Heavy metals and non-hydrocarbon-based compounds remain present but dormant void of the necessary acidifier required to enhance chemical activity.

EHCS - 1270 has undergone an extensive series of tests and approvals to ensure compliance with USEPA guidelines regarding soil remediation action and waterway discharge restrictions. EHCS ? 1270 meets EPA Aquatic Toxicity and discharge limits by complying with PH, Sulfate and Chloride discharge guidelines along with Volatiles (EPA 8260), TPH and Semi-volatiles (EPA 8270) as well as the Mysid Shrimp test A summary of various test results are presented in the following table