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j <br /> TABLE 3 <br /> GROUNDWATER ANALYTICAL SUMMARY <br /> _. <br /> 'ARCO Service Station No. 6100 <br /> 25775 Patterson Pass Road <br /> Tracy, California <br /> Ethyl- Total Nitrate <br /> Date TPHG Benzene Toluene benzene Xylenes MTBE TBA TAME DIPE ETBE Ethanol as NO3 QA/QC <br /> Sample ID Collected (}ig/L) (µ.g/L) (µg/L) (µg/L) (µg/L) (}rg/L) (µg/L) (pg/L) (}ig/L) (t ) (µg/L) (mg/L) Review <br /> VW-5 02/08/01 <50.0 2.25 <0.500 <0.500 0.574 9.41 <200 <2.00 <2.00 <2.00 NA <1.0 <br /> 11/06/01 300 2.9 <0.50 0.65 <0.50 3.3 <100 <1.0 <1.0 <1.0 NA NA <br /> 03/26/02 <50 <0.50 <0.50 <0.50 <0.50 6.7 <5.0 <0.50 <0.50 <0.50 NA NA <br /> 06/21/02 60[2] 2.1 <0.50 0.52 <0.50 1.6 <5.0 <0.50 <0.50 <0.50 NA NA <br /> 06/17/03 220 1.4 <0.50 <0.50 0.98 <0.50 <20 <1.0 <1.0 <1.0 <100 NA A <br /> VW-6 02/08/01 12,100 4,440 <100 <100 715 160 <200 <2.00 <2.00 <2.00 NA <1.0 <br /> 11/06/01 24,000 12,000 <100 <100 <100 230 <20,000 <200 <200 <200 NA NA <br /> 03/26/02 <10,000[2] 5,100 <100 <100 <100 270 <50[l] <5.0[1] <5:0[1] <5.0[1] NA NA <br /> 06/21/02 <20,000 7,000 <200 <200 <200 330 170 <5.0 <5.0 <5.0 NA NA <br /> 09/18/02 9,800 5,500 28 <25 40 300 270 <25 <25 <25 NA NA <br /> 12/23/02 20,000 8,600 <50 <50 <50 310 <100 <10 <10 <10 NA NA <br /> 03/24/03 <50,000 5,100 <500 <500 <500 2,800 <20,000 <500 <500 <500 <100,000 NA <br /> 06/16/03 11,000[3] 6,900 <25 <25 50 170 <4,000[1,5] <200[l] <200[1] <200[l] <20,000[l] NA J <br /> VW-20 06/16/03 63,000 13,000 13,000 1,100 10,000 <250[l] <10,000[l] <500[l] <500[l] <500[l] <50,000[l] NA J <br /> Arco_6uarterly_Data Pf3 "VAr1J5 <br />