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PERCENT REDUCTION OF DISSOLVED HYDROCARBONS <br /> 1 • Former Exxon Service Station No. 7-3330 <br /> 3128 West Benjamin Holt Drive <br /> Stockton, California <br /> I Total Petroleum Hydrocarbons as Gasoline <br /> Assumptions: <br /> 1) Total dissolved TPH as gasoline = Initial dissolved TPH as gasoline + Remaining dissolved TPH as <br /> gasoline <br /> 2) Equation: <br /> Total Dissolved TPH as Gasoline - TPH as Gasoline Remaining <br /> Total Dissolved TPH as Gasoline <br /> ((1.8 lbs + <0.047 lbs) - (<0.047 lbs) } x 100 <br /> l 1.8 lbs + <0.047 lbs J <br /> 1 <br /> 7.5 percent reduction in dissolved TPH as Gasoline <br /> II Benzene <br /> Assumptions: <br /> 1) Total dissolved benzene = Initial dissolved benzene + Remaining dissolved benzene <br /> 2) Equation: <br /> Total Dissolved Benzene - Remaining Dissolved Benzene x 100 <br /> Total Dissolved Benzene <br /> r(0.16 lbs + <0.0005 lbs) - (<0.0005 lbs) 1 x 100 <br /> l 0.16 lbs + <0.0005 lbs 1 <br />` > 99.7 percent reduction in dissolved Benzene <br /> 1 <br /> RPT001.810 <br />