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3 <br /> Table A Historical Groundwater Sample Analytical Data(Continued) <br /> ' Monitor Well Number MW1 MW2 MW3 <br /> Date Sampled 12/18/01 12/18/01 12/18/01 <br /> Analyte Units µg/L µg/L pg/L <br /> Benzene <0.5 0.5 2.8 <br /> :3 Toluene 0.6 1.0 1.4 <br /> Ethylbenzene <0.5 <0.5 1.6 <br /> Total Xylenes <l.p <1.0 4.5 <br /> TPH-G <50 154 210 <br /> TPH-D <50 <50 <50 <br /> TPH-MO <500 <500 <500 <br /> TPH-K <250 <250 <250 <br /> MTBE <0.5 <0.5 82 <br /> Ethanol <13 <13 <13 <br /> jTertiary-Butanol <5.0 <5.4 54 <br /> .! Di-isopropyl Ether <0.5 <0.5 <0.5 <br /> Ethyl tertiary-Butyl Ether <0.5 <0.5 <0.5 <br /> j Tert-Amyl methyl Ether <0.5 <0.5 <0.5 <br /> 1,2-Dichlaroethane <0.5 4.3 71 <br /> 1,2-Dibromoethane <0.5 <0.5 <0.5 <br /> r Monitor Well Numher MW1 MW2 MW3 <br /> Date Sampled 6128102 6/28/02 6128/02 <br /> Analyte Units y }iglL µglL µg/L <br /> Benzene <0.5 <0.5 4.7 <br /> Toluene <0.5 <0.5 I.3 <br /> Ethylbenzene <Q.5 <0,5 3.7 <br /> !I Total Xylenes <1.0 <1.4 4.6 !' <br /> TPH-G <50 <50 480 <br /> j TPH-D <50 <50 <50 <br /> TPH-MO <500 <500 <500 <br /> TPH K <250 <250 <250 <br /> MTBE <0.5 <0.5 190 <br /> Ethanol <13 <13 <26 <br /> ` <br /> Tertiary-Butanol <5.0 <5.0 <10 <br /> 1 �?' <br /> Di-isopropyl Ether <0.5 <0.5 <1.0 <br /> Ethyl tertiary-Butyl Ether <0.5 <0.5 <1.0 <br /> + Tert-Amyl methyl Ether <0.5 <0.5 <1.0 <br /> 1,2-Dichloroethane <0.5 3.3 93 <br /> ' ],2-Dihromoethane <0.5 <0.5 <1.0 <br /> Units: ltg/L=parts per billion <br /> Analytical: <br /> BTEX=benzene,toluene,ethyl benzene,total xylenes. <br /> { TPH-G=total petroleum hydrocarbons,quantified as gasoline. L <br /> TPH-D,K.MO T total petroleum hydrocarbons quantified as diesel(D),kerosene(K),or motor oil(MO). <br /> MTBE=methyl tert-butyl ether. <br /> a <br /> i <br /> l Lv <br /> t <br /> 110ET-STKP10011PROJECTS13024 CSUS-Multi-CampuslWork PlanTroblem Assessment Work P1an\Table A.doc <br /> i <br /> t i <br /> 4 <br />