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i i • - <br /> Canepa's Car Wash-Sail Vapor Extraction(SVF)System-Vapor Phase Carbon(Authority To Construct Permit No.N-174-2-1) _ <br /> SVE Carbon System Flow Soil Vapor Concentration(PID measurent) <br /> Dale Technician System on? Influent("H20) Influent(Ft/Min)I Influent CFM Ffflucnt("H20) Ef Iuent(FaliD) Effluent CFM Influent(ppm) Between Tank(ppm) Effluent(ppm) Notes <br /> 311312002 RJY Started 0.75 to 1 3 3,900 191 3.6 7,600 177 111 0 0 <br /> 371512602 RJY1Bill C. on 0.65 to 1,5 3,900 191 3.8 7,800 182 92 1.3 0 <br /> 3125/2002 Bill C. on 0.4 to 0.9 3,225 158 3.3 7,300 170 70 0 0.5 slight leak near influent port <br /> 4/112002 Bill C. on 0.6 to 0.8 3,338 164 3.2 7,175 167 70 0 L I slight leak near influent port <br /> 419!2002 Bill C. on 0 6 to 0.8 3,338 164 3.2 7,175 167 63 0 0 leak fixed <br /> 4/15/2002 hill C cu 0.6 to 0.8 3,338 164 3.7 7,700 179 67 0 0 <br /> 4/2112002 Bill C. on 0,7 3,325 163 3.8 7,800 182 65 0.7 0.7 <br /> 4/29/2002 Bill C. an 0,7 3,325 163 3.7 7,700 179 59 0 0 <br /> 5/212002 Rob Young an 0,6 to 0.7 3,100 152 3.8 7,800 182 50 0 0 <br /> 5/6/2002 Bill C. on 0-6 3,200 157 3.7 7,700 179 57 i.3 L3 <br /> Note:All measurements assume standard temperature and pressure.Flow velocity measured using a Dwyer 165-6 pilot tube. <br /> Measurement of air velocity assumes dry air at 70 Fahrenheit,29.9 inches of lig Barometric Pressure,and a density of air of 0.075 lb!cubic foot.Velocity converted to FI/Min using <br /> the manufacturers provided pressure vs.velocity curve. <br /> The influent duct diameter is 3 inches. <br /> The,effluent duct diameter is 2 inches. <br /> The influent flow velocity has been observed to fluctuate and therefore,the mean velocity is used to calculate the flow rate, <br /> 77 Table of Canepa's Vapor Phase Carbon Treatment SVE System Laboratory Analytical Results _ <br /> Date Sample ID benzene toluene W ethyl benzene xylenes MTBE OVM(ppFn) <br /> 3113/2002 17078-Inlat-3113102-1440 0.75 1.3 0.47 5.2 Q,5 ]1 I <br /> 3/13/2002 1707B-.Mid-3113102.1443 X0.15 <115 <0,15 <0.25 <1.5 0 <br /> Nate;Air matrix units are reported as ppmv(µLIL). <br /> Canepa's SVE Vapor Phase Carbon2002 Carbon SVE <br />