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TABLE V <br /> RECOMMENDATIONS <br /> SECOR recommends that a total of three soil borings, S13-1 through S13-3 (Figure 3), be drilled at the <br /> site in conjunction with the environmental and geotechnical investigations. One boring each will be <br /> located in the proposed building pad area, the proposed pump island canopy area and the area of the <br /> proposed USTs. Soil borings S13-2 and S13-3 will be completed to a depth of approximately 20 feet <br /> bgs. Soil boring SBA will be completed to a depth of approximately 50 feet bgs. SB-1 will be utilized <br /> to evaluate liquefaction potential for subsurface soils beneath the property because of shallow <br /> groundwater (7 to 10 feet bgs). It is also recommended that a minimum of three groundwater <br /> monitorng wells be installed (MW-1, MW-2, and MW-3) to evaluate if shallow groundwater beneath <br /> the property has been impacted by offsite sources (refer to Table IV, Surrounding Land Use). <br /> Item Recommendation Unit Costs <br /> #of Borings 4 geotechnical/environmental borings Some additional job costs for liquefaction analysis <br /> 3 groundwater monitoring wells and groundwater monitoring well installation. <br /> Analysis TPHg,TPHd,TRPH Standard job costs. No additional costs. <br /> BTEX, MTBE <br /> VOCs <br /> V-1 <br /> JN 40007-130-01 <br /> kar:\winword\97-04 apr\a-tracy.doc <br />