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The specific remediation methods are linked directly to site-specific conditions. OHI has implemented excavation of contaminated soil; soil vapor extraction and air sparging; on-site soil treatment using thermal desorption, asphalt encapsulation, and bioremediation; groundwater pump and treat systems; in-situ chemical oxidation, and dual-phase extraction, reactive barriers, among others. We work hard to select the appropriate remediation method in order to resolve contamination issues whatever they may be.