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PERCENT REDUCTION OF PETROLEUM HYDROCARBONS IN SOIL <br /> Beacon Station No 695 <br /> 900 South Cherokee Lane <br /> Lodi, California <br /> I. Total Petroleum Hydrocarbons as Gasoline <br /> Assumpbons:. <br /> 1 TPH as gasoline prior to remediation = 105,569 lbs <br /> 2 TPH as gasoline remaining after remediation = 11,220 lbs <br /> 3 Equation <br /> (TPHg before remedumon) - (TPHg after remediation) x 100 <br /> (TPHg before remediation) <br /> l(105,569 lbs) - (11,220 lbs) } x 100 <br /> (105,569 1&) } <br /> IL = 89 percent TPH as gasoline removed <br /> II. Benzene <br /> Assumptions: <br /> 1 Benzene prior to remediation = 138 6 lbs <br /> 2. Benzene after remediation = 19 7 lbs <br /> M5002 915 <br />