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TABLE 3 <br /> GROUNDWATER ANALYTICAL SUMMARY <br /> ARCO Service Station No 6100 <br /> 25775 Patterson Pass Road <br /> Tracy,California <br /> Ethyl- Total 1,2- Nitrate <br /> Sample Date TPHG Benzene Toluene benzene Xylenes MTBE TBA TAME DIPE ETBE Ethanol DCA EDB as NO3 QA/QC <br /> ID Collected (µ ) ( ) ( ) ( ) ( /L)) ( ) ( ) ( ) ( /L) ( ( ) (99/L) {jig/L) (m /L) Review <br /> VW-5 02/08/01 <50 0 225 <0 500 <0 500 0 574 941 <200 <2 00 <2 00 <2 00 NA NA NA <10 <br /> 11/06/01 300 29 <0 50 065 <0 50 33 <100 <1 0 <1 0 <1 0 NA NA NA NA <br /> 03/26/02 <50 <0 50 <0 50 <0 50 <0 50 67 <5 0 <0 50 <0 50 <0 50 NA NA NA NA <br /> 06/21/02 60[2] 2 1 <0 50 052 <0 50 16 <5 0 <0 50 <0 50 <0 50 NA NA NA NA <br /> 06/17/03 220 14 <0 50 <0 50 098 <0 50 <20 <1 0 <10 <1 0 <100 NA NA NA A <br /> 12/23/03 86 063 <0 50 <0 50 058 <0 50 <20 <1 0 <1 0 <1 0 <100 <0 50 <0 50 NA A <br /> VW-6 02/08/01 12,100 4,440 <100 <100 715 160 <200 <2 00 <2 00 <2 00 NA NA NA <1 0 <br /> 11/06/01 24,000 12,000 <100 <100 <100 230 <20,000 <200 <200 <200 NA NA 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 NA NA <br /> 06/21/02 <20,000 7,000 <200 <200 <200 330 170 <5 0 <5 0 <5 0 NA NA NA NA <br /> 09/18/02 9,800 5,500 28 <25 40 300 270 <25 <25 <25 NA NA NA NA <br /> 12/23/02 20,000 8,600 <50 <50 <50 310 <100 <10 <10 <10 NA NA NA NA <br /> 03/24/03 <50,000 5,100 <500 <500 <500 2,800 <20,000 <500 <500 <500 <100,000 NA NA NA <br /> 06/16/03 11,000[3] 6,900 <25 <25 50 170 <4,000[1,5] <200[1] <200[l] <200[l] <20,000[l] NA NA NA ! <br /> 09/19/03 9,500 5,900 <250 <250 <250 <250 40,000 <500 <500 <500 <50,000 <250 <250 NA A <br /> VW-20 06/16/03 63,000 13,000 13,000 1,100 10,000 <250[l] <10,000[l] <500[1] <500[l] <50011] <50,000[l] NA NA NA J <br /> I <br /> Arco_6100_Quaner1y_Data Page 2 of 3 srKArus <br /> 1 <br />