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TPHg in Sod- Mass Calculations <br /> Based on parameters referenced under report Section 2 2 4 <br /> Original Condition-Pre-remediation <br /> A B C D E F G H I <br /> Zone Zone Sod Tphg <br /> Area Thickness Volume Density Sod Mass Concentration TPH-q Mass <br /> (sq ft ft cu ft lbs/cu Ft Pounds Kilogram (mg/kg) Grams Pounds <br /> -ZONE 80 15 1,200 120 144,000 65,308 4435 289,642 639 <br /> B-ZONE 85 25 2,125 120 255,000 115,650 1300 150,345 332 <br /> C-ZONE 4,4351 10 44,350 1201 5,322,000 2,413,6811- 2001 482,736 1,064 <br /> t TOTAL TPHG lbs 2,035 <br /> c=Axs <br /> D=Assumed --- <br /> - <br /> E = CXD <br /> F = E X 0 453529 <br /> G = Estimated avg based on analysis <br /> H = FXG/ 1000 <br /> 1 = H/454 <br /> TPHg Total Petroluem Hydrocarbons as Gasoline <br /> mg/kg milligrams/per kilogram <br /> TPHg concentrations above 101 mg/kg were detected in only 3 of 11 sod borings As a result of <br /> such limited data,the error in the calculated TPHg mass total may be high, 50 percent or more RMXs <br /> estimates were intentionally conserviatrve, based on the high side The probable error,therefore, <br /> more likely overstates the calculated mass than understates it <br />