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• f <br /> TABLE 1 - SUMMARY OF VAPOR EXTRACTION TEST DATA <br /> BEACON STATION 419 <br /> 2350 EAST WATERLOO ROAD, STOCKTON, CA <br /> Time Influent Analytical and Mass Extraction Vacuum Influence <br /> ("H2O) <br /> DP ("H2O) Vacuum Temp Flowrate Field TPHg TPHg Mass TPHg <br /> ("H2O) (F) (scfm) Concentration Influent Analysis Extraction Rate Effluent Analysis MW-9 MW-7 <br /> (ppm) (ppm) (ppd) (ppm) <br /> 1000 Start Flow VW-11' <br /> 1000 08 40 80 74 14,700 035 0 <br /> 1015 08 40 80 74 14,100 035 0 <br /> 1030 08 36 80 74 21,960 6,200 184 <5 0 033 0 <br /> 1045 08 36 84 74 21,500 033 005 <br /> 1100 08 36 1 83 74 21,300 035 05 <br /> 1130 12 60 83 91 22,000 040 07 <br /> 1200 12 60 92 91 21,750 8,000 292 030 08 <br /> 1205 Start Flow VW-2 <br /> 1230 003 50 98 14 2,530 0 0 <br /> 1300 003 53 99 14 4,100 0 0 <br /> 1330 003 53 99 14 4,150 0 0 <br /> 1400 003 53 99 14 4,200 3,800 1 21 0 0 <br /> Distance From Extraction Well VW-1 (Ft) 19 56 <br /> Notes: <br /> DP= Differential Pressure <br /> scfm=standard cubic feet per minute <br /> ppm= parts per million volume <br /> TPHg =total petroleum hydrocarbons as gasoline <br /> MTBE= methyl tert-butyl ether <br /> ppd=pounds per day <br />