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Time oil 3 <br /> 14000 East Highway 88,i ockeford,Califomia May 27, 1998 <br /> • ® An influent sample vapor le was collected from Well W-1 near the end of the <br /> P P <br /> SVE test Certified analytical reports indicate an TPH-g concentration of <br /> 763 parts per million by volume (ppmv) BTEX compounds were also <br /> detected in the samples and are summarized in Table 9 The above <br /> analytical results combined with the flow rate corresponds to an estimated <br /> mass removal rate of 3 8 lbs/day (Attachment B) <br /> Soil Vapor Extraction Test- W-2 <br /> o The maximum applied vacuum and resulting air flow achieved at Well W-2 <br /> were 2 inches of water column and 12 6 cfm, respectively <br /> o An influent vapor sample was collected from Well W-2 near the end of the <br /> SVE test Certified analytical reports indicate an TPH-g concentration of <br /> 7,240 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 36 5 lbs/day <br /> (Attachment B) <br /> Soil Vapor Extractions Test- W-3 <br /> o The maximum applied vacuum and resulting air flow achieved at Well W-3 <br /> were 2 5 inches of water column and 19 9 cfm, respectively <br /> o An influent vapor sample was collected from Well W-3 near the end of the <br /> SVE test Certified analytical reports indicate an TPH-g concentration of <br /> 179,000 ppmv BTEX compounds were also detected in the samples and <br /> are summarized in Table 9 The above analytical results combined with the <br /> flow rate corresponds to an estimated mass removal rate of 1,425 lbs/day <br /> (Attachment B) <br /> Soil Vapor Extraction Test- W-4 <br /> o The maximum applied vacuum and resulting air flow achieved at Well W-4 <br /> were 3 5 inches of water column and 14 2 cfm, respectively <br /> o An influent vapor sample was collected from Well W-4 near the end of the <br /> SVE test Certified analytical reports indicate an TPI -g concentration of <br /> 3,130 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 17 1 lbs/day <br /> (Attachment B) <br /> • <br /> 7co05-001-0111NFL TEST <br />