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4. The values in Table A listed below are used for contamination <br /> calculations. <br /> TABLE A <br /> Source: MSDS and Handbook of Chemistry and Physics <br /> MATERIAL DENSITY POUNDS/GALLON POUNDS/FOOT <br /> Diesel 0 . 800 6 . 61 49 . 5 <br /> Gasoline 0 . 732 6 . 10 43 . 0 <br /> Benzene 0 . 879 7 . 32 56 . 0 <br /> Toluene 0 . 866 7. 20 56 . 0 <br /> LE <br /> t <br /> hy <br /> ibenzene 0 . 867 7. 21 56 . 0 <br /> Xylene 0 . 860 7 . 18 56 . 0 <br /> MTBE 0 . 740 6 . 18 44. 0 <br /> 5. The contamination concentrations approximate a straight line <br /> from the highest reported concentration at the former UST pit to <br /> the Non detected concentration limits noted in Figure 5 for soil <br /> and Figure 6 for groundwater. <br /> 6 . One foot of soil weighs approximately 100 pounds and one <br /> `J foot3 of groundwater weighs approximately 63 pounds <br /> TABLE B <br /> Original concentrations of Contaminants Reported in PPM <br /> MATTER SOIL CONC WATER CONC <br /> HIGH LOW AVERAGE HIGH LOW AVERAGE <br /> TPHG 77 0 39 .69 . 10 .40 <br /> TPH'D NA NA NA 0 O O <br /> B 0.53 0 0.27 .019 0 0. 1 <br /> T 0. 35 0 0. 18 .022 0 .011 <br /> E 1. 5 0 0. 75 .017 0 0. 09 <br /> X 0. 30 0 0. 15 .075 0 0.038 <br /> MTBE 0 0 1 0 .005 0 0.003 <br /> 7 . The original contamination concentrations in the soil and <br /> groundwater, highest, lowest and average, in parts per million, <br /> y 10 <br />