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Figure E.8 <br /> RWA Hydrocarbon Concentrations <br /> 1,000,000 1000 <br /> General Long-Term Trend <br /> 100,000100 t Benzene(ug/L) <br /> d —tom Toluene(ug/L) <br /> d <br /> W —�—Ethyl benzene(ug/L) <br /> C - -Total Xylenes(ug/L) <br /> 10,000 10 v ---*--Benzene,HS(ug/L) <br /> t31 <br /> Z —Toluene,HS(ug/L) <br /> C _ -6 Ethyl benzene HS(ug/L <br /> a <br /> Q —Total Xylenes,HS(ug/L) <br /> Z <br /> 1,000 1 � �—TPH-gasoline(mg/L) <br /> v C7 TPH-diesel(mg/L) <br /> C E <br /> 0TPH-gas,HS(mg/L) <br /> to <br /> X C TPH-diesel,HS(mg/L) <br /> m 100Start of Bio Pilot Study <br /> 0.1 20- <br /> c <br /> m <br /> v <br /> c <br /> 0 <br /> U <br /> 10 = <br /> 0.01 <br /> Note: <br /> Only detected values shown.I <br /> 1 0.001 <br /> 1990 2000 2010 2020 2030 2040 2050 <br /> Append ix_D_E_Time_Series_Charts.xls,E.8 Rw-1 <br />