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Table <br /> 4 <br /> Remedial Technologies <br /> Relative Cost Comparison <br /> and <br /> Feasibility Study Summary <br /> Relative <br /> Remedial Total Feasibility Study <br /> Technologies Cost summary <br /> In Situ <br /> Volatilization Moderate Based on known site conditions, <br /> volatilization appears to be a <br /> feasible alternative due to the <br /> soil and chemical characteristics. <br /> Biodegradation Moderate Biodegradation appears to be a <br /> feasible alternative for <br /> remediation of the site soils. <br /> Not feasible for groundwater. <br /> Leaching Moderate Due to current site conditions and <br /> difficult permitting process, <br /> leaching does not appear to be a <br /> viable alternative. <br /> Vitrification High Due to the high costs and depth of <br /> tainted soils, vitrification does <br /> not appear to be a feasible <br /> remedial alternative. <br /> Passive <br /> Remediation Low Ongoing remedial program at site <br /> (no action) as well as low cost associated <br /> with this alternative indicate <br /> that it is a feasible remedial <br /> alternative. <br />