Laserfiche WebLink
CAMBRIA <br /> Table 6.Estimated Benzene Mass Remaining in Soil-Shell-branded Service Station,6131 Pacific Avenue,Stockton,California <br /> Soil Interval Impacted Soil Impacted Soil Soil Volume Representative Benzene Estimated Soil Total Impacted Total Residual <br /> Thickness Area Concentration Bulk Density Soil Mass Benzene Mass in Soil <br /> (tbg) (ft) (sq-ft) (cu-ft) (mg/kg) (lb/cu-ft) Ob) (lb) <br /> 43-58 <br /> Former UST Area 15 101 1,515 110 79.9 121,049 13.3 <br /> 15 193 2,895 50 79.9 231,311 11.6 <br /> 15 347 5,205 5.0 79.9 415,880 2.08 <br /> 15 526 7,890 0.50 79.9 630,411 0.315 <br /> 15 747 11,205 0.050 79.9 895,280 0.0448 <br /> Northern Dispenser Area 15 514 7,710 0.0165 79.9 616,029 0.0102 <br /> Total Estimated Residual Benzene: 85.6 <br /> Notes: <br /> Soil Volume=Impacted soil thickness x impacted soil area[excludes soil volume of greater impact] Total Impacted Soil Mass=Soil Volume(cu-ft)x Bulk Density(1b1cu-f) <br /> Residual benzene Mass=Impacted soil mass(lb)x Concentration(mg/kg)/1,000,000(mg/kg) <br /> Derived from:Hydrology for Engineers;Linsley,Kohler&Paulhus,1982,McGraw-Hill,Inc.pg.179. <br /> Bulk(Dry) <br /> Abbreviations: Soil Type: Density(Ib/curt): <br /> fbg=Feet below grade Sand 94.8 <br /> ft=feet Sandy loam 89.9 <br /> sq-ft=square feet Loam 84.9 <br /> cu-ft=cubic feet Silt loam 79.9 <br /> mg/kg=milligrams per kilogram Clay loam 79.9 <br /> Ib=pounds Clay 74.9 <br /> Peat 25.0 <br /> 0854 Page 2 of 2 <br />