Geraghty & Miller, Inc.

Boris Dynkin

Suthan S Suthersan

Terence R Regan

Richard Cushing

A method and apparatus for removing volatile contaminants from the phreatic zone of contaminated ground. The apparatus is a system comprised of at least one air injection well and at least two pressure relief wells arranged in a line. Air is injected into the contaminated ground water to allow sparging of the volatile contaminants from a linear region between injection and relief wells. The volatile contaminants are captured by the injected air and carried to the extraction line for removal and treatment.

Method and system to achieve two dimensional air sparging

Methods for vacuum extraction of contaminants from subsurface media which involves vacuum withdrawal through a conduit, of vaporized contaminant, assisted by a tube for allowing air bubbles to flow through the liquid-phase hydrocarbon zone thereby causing enriched hydrocarbon vapors to be extracted through the vacuum applied to the conduit.

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Newton, MA, United States of America

Boris Dynkin