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CALCULATIONS <br />• Beacon Station No 695 <br /> 900 South Cherokee Lane <br /> Lodi, Califorma <br /> To provide example calculations of total petroleum hydrocarbon (TPH) as gasoline extracted from the soil and emitted to <br /> the atmosphere by the soil vapor extraction system <br /> Assumptions• <br /> n Assumes worst case TPH as gasoline concentrations remain constant throughout course of system operation <br /> Method: <br /> 1) Extraction <br /> TPH _ [TPHJ LBMOLE / 86LB (14402��� <br /> i tQ�a 1x106 387FT3 l LBMOLE DAY <br /> Where TPH, is mass flow rate of TPH as gasoline in lbs/day extracted from soil <br /> Q, is the inlet soil vapor process stream flow rate in scfin <br /> [TPH], is the inlet concentration of TPH as gasoline in ppmv prior to the control device <br /> 2) Emission <br /> TPH, _ (p6) [TPHJ 0 $ <br /> 1440 } <br /> ��r3 (LBMOLE) DAY <br /> Where TPIL is mass flow rate of TPH as gasoline in lbs/day emitted to the atmosphere <br /> Qp is the effluent soil vapor discharge rate in scfin <br /> [TPHJ is the effluent concentration of TPH as gasoline in ppmv <br /> 10 <br /> LRP619 SJS <br />