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Table 3 <br /> Design Basis Summary for Landfill Gas Collection System <br /> PARAMETER POINT OF COMPLIANCE <br /> Ave.Thickness of Wastes 20 ft <br /> (Estimated in 1.3-Acre Waste Segment) <br /> No.Acres of Waste 1.3 <br /> Average No.Vertical Gas Wells 1 well per acre <br /> Existing Gas Wells 0 <br /> Assumed Gas Well Deficit 1 <br /> Blower Use existing system <br /> Header Line 230 ft <br /> Flare System Use existing flare <br /> 3.3 DESIGN PARAMETERS FOR IN-SITU TREATMENT <br /> In-situ treatment involves technologies that treat impacted groundwater in place without <br /> removing it from the aquifer. In-situ treatment technologies that have been employed at <br /> other sites with similar impacts and which were considered herein include: <br /> • In-Situ Air Sparging&Vapor Extraction System (IAS &VES) <br /> • Bio-Enhancement/Inoculation <br /> • Metal Enhanced Reductive Dehalogenation (MERD) <br /> • Phytoremediation <br /> • Vitrification <br /> • Intrinsic Remediation (Natural Attenuation) <br /> Common design parameters that were used to evaluate remediation and other applicable in- <br /> situ treatment technologies are tabulated below. These data were used in conjunction with <br /> hydrogeologic and groundwater chemistry data to define the configuration of viable <br /> treatment technologies and to develop performance and cost data that could be used to <br /> evaluate and rank the alternative remediation technologies. <br /> Engineering Feasibility Study Geo-Lo Page ■ 11 <br /> Corral Hollow Sanitary Landfill A S S O C I A T[Sg <br /> January 25,2013 <br />