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r rr rr r r�r r ■r rr r rr rr rr rr rr rr r r ,ar rr <br /> Table 3 <br /> Groundwater Analytical Data i <br /> Soil Borings <br /> i <br /> ARCO Service Station 4932 <br /> 16 E Harding Way <br /> Stockton,California <br /> Depth TPH as Ethyl- <br /> Sample Date Sampled Gasoline Benzene Toluene benzene Xylenes MtBE TAME TBA 1,2-DCA <br /> Humber Sampled feet,bgs (ug/1-) (ug/L) (ug/L) (ug/L) (ug/L) OWL) (ug/L) (ug/L) (ug/L) <br /> SB-1 7/9/2001 33' <50 <0 50 <0 50 <0 50 <050 2,400 <20 <200 <20 <br /> 7/10/2001 48' <50 <0 50 <0 50 <0 50 <050 16 <2 0 <20 140 <br /> 7/10/2001 68' <50 <0 50 <0 50 <0 50 <050 <2 0 <2 0 <20 <2 0 <br /> I <br /> SB-2 7/12/2001 33' 56,000 4,500 4,700 3,000 11,000 160,000 300 <1,000 <100 <br /> 7/12/2001 50' 36,000 7,700 74 2,300 6,600 37,000 <50 1,100 370 <br /> 7/12/2001 65' <50 <0 50 <050 <050 1 1 47 <2 0 <20 40 <br /> 7/12/2001 77' <50 <050 <050 <0 50 <0 50 78 <2 0 <20 <2 0 <br /> TPH=Total Petroleum Hydrocarbons <br /> ug/L=micrograms per liter <br /> MtBE=Methyl tert butyl ether <br /> TAME=tert-Amyl methyl ether <br /> TBA=tert-Butyl alcohol <br /> 1,2-DCA=1,2 Dichloroethane <br /> TPH as Gasoline,Benzene,Toleune, Ethylbenzene,and Xylenes(BTEX)were analyzed by EPA Method 801518020 <br /> Fuel oxygenates MtBE,TAME,TBA, 1,2-DCA, Di-isopropyl ether(DIPS),Ethylene dibromide(EDB),and Ethyl tert butyl ether(EtBE)were analyzed by <br /> EPA Method$2606 <br /> RIPE,EDB,and EtBE were also analyzed by EPA Method 82606 All were reported as nondetectabie <br /> I <br /> I <br /> 9 <br /> Projects/ARCO/4932/Report/AddAssess xrs <br />