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CALCULATIONS-Continued <br />• Former Beacon Station No 695 <br /> 900 South Cherokee Lane <br /> Lodi, California <br /> Method: <br /> Anthmetic Mean (Average) of TPH Concentrations, [TPH) = (TPH] <br /> n <br /> Where [TPM is concentration (mg/kg) and n is number of analytical results <br /> Mass of TPH Excavated, TPH = [TPAVl (Excavated Soil Volume) (Soil Density) <br /> 1X106 <br /> Equivalent Volume of TPH Excavated, TPH = TPH mass <br /> Dennty of TPH <br /> Calculations: <br /> 1) Mass of TPH as Gasoline Removed <br /> 17,861.8 <br /> [TPH as Gasoline] _ 66 = 270.6270.6 niglkQ <br /> Mass of TPH as Gasoline = (270.6 mgllg) (2,641 yds') (2,970 Ibmlyd ) <br /> (1X106 mg/dg) <br /> Mass of TPH as Gasoline = 2,122 lbm <br /> mIb <br /> E4uavalent Yb4 me of TPH as Gasoline = 6.1 2,122 2 I bl <br /> Equivalent Volume of TPH as Gasoline = 345 gallons <br /> IMSOM 915 <br />