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Figure E.1 <br /> 0-1 Hydrocarbon Concentrations <br /> 1,000,000 1000 <br /> General Long-Term Trend <br /> 100,000 100 <br /> a <br /> a <br /> w <br /> N <br /> N <br /> d <br /> C <br /> Y <br /> 10,000 10 <br /> rn H —6 Benzene(ugfQ <br /> N = tToluene(ugIL) <br /> a <br /> p Z Q —Ethyl benzene (ug/L) <br /> 1,000 1 —Total Xylenes (ug/L) <br /> utTPH-gasoline (mg/L) <br /> r +TPH-diesel (mg/L) <br /> tj C NAPH Thickness (feet) <br /> X <br /> LU <br /> 100 0.1 7 —Stan of Bio Pilot Study <br /> M c <br /> v <br /> U <br /> o Note: <br /> Id U Only detected values shown. <br /> 2 <br /> 10 0.01 a <br /> 1 0.001 <br /> 1990 2000 2010 2020 2030 2040 2050 <br /> Appendix_D_E_Time_Senes_Charts2.xls,E.10-1 <br />