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TABLE 1 <br /> EXTRACTED GROUNDWATER ANALYTICAL DATA <br /> Chevron Service Station 9-1452 <br /> 334 East Main Street <br /> Ripon,California <br /> Sample ID Date TPHg Benzene Toluene Ethyl- Total MtBE TBA TAME Methanol <br /> benzene Xylenes <br /> (µ9n) (µ9A) (µ9A) (µgA) (µ9n) (µg4) (µg4) (µ9A) (µgA) <br /> MW-8 Initial 11/18/03 770 <0 5 <0 5 <0 5 <0 5 11,000 190 660 890 <br /> 12/04/03 1,500 <10 <10 <10 <10 19,000 980 1,000 <200 <br /> 01/16/04 1,400 <5 <5 <5 <5 20,000 690 1,200 <240 <br /> 02/17/04 1,800 <10 <10 <10 <10 20,000 1,200 1,200 310 <br /> MW-8 Final 11/18/03 1,100 <0 5 <0 5 <0 5 <0 5 16,000 400 960 1,300 <br /> t� 12/04/03 1500 <10 <10 <10 <10 18,000 860 1,100 <200 <br /> /k4v 01/16/04 2,600 <10 <10 <10 <10 34,000 1,500 2,000 <200 <br /> 02/17/04 1,700 <10 <10 <10 <10 22,000 1,000 1,300 <200 <br /> MW-8 Batch 11/18/03 1,100 <0 5 <0 5 <0 5 <0 5 16,000 440 950 900 <br /> 12/04/03 1,400 <10 <10 <10 <10 23,000 870 1,000 490 <br /> 01/16/04 1,600 <5 <5 <5 <5 23,000 890 1,400 <200 <br /> 02/17/04 1,500 <10 <10 <10 <10 20,000 920 1,200 <200 <br /> Explanations <br /> µ911 =Micrograms per liter <br /> TPHg R Total petroleum hydrocarbons as gasolene <br /> MtBE =Methyl tertiary butyl ether <br /> TBA =Tertiary butyl alcohol <br /> TAME =Tertiary amyl methyl ether <br /> Initial =Sample collected from well MW 8 with disposable bailer pnor to batch groundwater extraction <br /> Final =Sample collected from well MW 8 with disposable bailer after batch groundwater extraction <br /> Batch =Sample collected from tank of vaocuum truck with disposable bailer following completion of batch groundwater extraction <br /> Notes <br /> Samples also analyzed for ethyl tertiary butyl ether(EtBE) di isopropyl ether(D IPE) ethanol ethylene dibromide(EDB) and <br /> 1 2 dichloroethane(1 2 DCA) Analytes not detected at or above method detection limits <br /> I Zhevron1914521Report/Batch Extraction/Batch Extraction Results As 1 of 1 <br />