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TABLE 3 <br /> GROUNDWATER ANALYTICAL SUMMARY <br /> Former ARCO Station No 6100 <br /> 25775 Patterson Pass Road <br /> Tracy,California <br /> Ethyl- Total <br /> Sample Date GRO+ Benzene Toluene benzene Xylenes MTBE <br /> ID Collected ( ) ( ) OWL) OWL) (991L) ( ) <br /> MW-15 06/22/04 110,000 A 13,000[5] J 33,000[5] J 3,200[5] J 21,000[5] J <500 A <br /> 09/07/04 100,000 A 12,000 A 28,000 A 3,400 A 21,000 A <500 A <br /> VW-1 06/22/04 110,000 A 32,000 A 25,000 A <1,000 A 18,000 A <1,000 A <br /> 09/07/04 120,000 A 32,000 A 23,000 A 890 A 13,000 A 620 A <br /> VW-2 02/08/01 28,700 6,680 524 112 1,890 395 <br /> 03/26/02 33,000 9,700 670 1,000 3,500 350 <br /> 03/16/04 1,400 A 320 A 67 A <5 0 A 49 A 61 A <br /> 06/22/04 36,000 A 9,000 A 3,500 A 310 A 5,400 A <250 A <br /> 12/21/04 31,000[8] J 6,400[7] J 1,800 A 710 A 6,300 A 120 A <br /> 03/15/05 26,000 A 1,600 A 6,000 A 1,200 A 3,700 A <120 A <br /> 06/21/05 12,000 A 720 A 110 A 480 A 2,100 A 58[10] J <br /> 09/19/05 5,800 A 130 A 85 A 62 A 230 A <5 0 A <br /> 03/28/06 <500 A 15 A 10 A 54 A 31 A <5 0 A <br /> Arco_6I00_Quartcr1y_Data Page 4 of 9 5TRATU5 <br />