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Time oil 4 <br /> 14000 East Highway 88 Lockeford California May 27, 1998 <br /> Soil Vapor Extraction Test- W-5 <br /> ® The maximum applied vacuum and resulting air flow achieved at Well W-5 <br /> were 3 inches of water column and 26 9 cfm, respectively <br /> ® An influent vapor sample was collected from Well W-5 near the end of the <br /> SVE test Certified analytical reports indicate an TPH-g concentration of <br /> 221 ppmv BTEX compounds were also detected in the samples and are <br /> summarized in Table 9 The above analytical results combined with the <br /> flow rate corresponds to an estimated mass removal rate of 2 4 lbs/day <br /> (Attachment B) <br /> Soil Vapor Extraction 'west- W-6 <br /> o The maximum applied vacuum and resulting air flow achieved at Well W-6 <br /> were 3 inches of water column and 19 9 cfm, respectively <br /> o An influent vapor sample was collected from Well W-6 near the end of the <br /> SVE test Certified analytical reports indicate an TPH-g concentration of <br /> 139 ppmv BTEX compounds were also detected in the samples and are <br /> summarized in Table 9 The above analytical results combined with the <br /> flow rate corresponds to an estimated mass removal rate of 1 1 lbs/day <br /> (Attachment B) <br /> Soil Vapor Extraction Test- W-7 <br /> o The maximum applied vacuum and resulting air flow achieved at Well W-7 <br /> were 2 inches of water column and 19 6 cfm, respectively <br /> o An influent vapor sample was collected from Well W-7 near the end of the <br /> SVE test Certified analytical reports indicate an TPH-g concentration of <br /> 2,670 ppmv BTEX compounds were also detected in the samples and are <br /> summarized in Table 9 The above analytical results combined with the <br /> flow rate corresponds to an estimated mass removal rate of 20 9 lbs/day <br /> (Attachment B) <br /> Soil Vapor Extraction Test- W-8 <br /> © The maximum applied vacuum and resulting air flow achieved at Well W-8 <br /> were 2 inches of water column and 20 7 cfm, respectively <br /> o Influent and effluent vapor samples were collected from Well W-8 two <br /> hours after the start of the SVE test Certified analytical reports indicate <br /> • <br /> 7GO05-001-01/rNFLTFST <br />