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CAMBRIA <br /> Estimated Initial TPHg Mass in Soil-Former Shell Service Station/Pershing Oil,4445 N Pershing Avenue, Stockton,California <br /> Depth Interval Shape Contour Contour Height(h) Soil Volume Estimated Average Samples Used to Total Mass of <br /> (fbg) Length(di) Width(dz) (ft) (cu ft) TPHg Concentration Calculate Average TPHg in Sotl <br /> 01) (ft) (mg/kg) TPHg Concentration (lb) <br /> 0-10 <br /> Western dispenser cylinder 4 4 10 126 67 TR-1 0 10 <br /> Eastern dispenser cylinder 8 8 10 503 34 TR-2A and 10 ppm 205 <br /> 0-20 <br /> T1-N,TI-S,T2-N,T2-S, <br /> T3-N,T3-S,VEW-1, <br /> Former USTs ellipsoid 36 205 20 11,592 544 VEW-2 75676 <br /> I <br /> TOTAL 759 <br /> Abbreviations and]Votes. <br /> fbg=feet below grade Soil Volumes <br /> ft=feet Ellipsoid=n14(di)(d2)(h) <br /> cu ft=cubic feet Cylinder=n(di/2)`(h) <br /> mg/kg=milligrams per kilogram <br /> lb=pounds TPHg Mass =Soil volume(cu ft)x Avg TPHg concentration(mg/kg)!1,000,000(mg/kg)x 120 lb/cu ft <br /> I <br /> a <br /> 0837 0 Pago 1 <br />