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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
<br /> Sample Date GRO+ Benzene Toluene benzene Xylenes MTBE
<br /> ID Collected ( IL) ( ) ( ) ( L) ( L) ( /L)
<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 /> 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 /> VW-3 02/08/01 33,800 2,540 2,820 194 5,550 1,000
<br /> 03/26/02 43,000 6,000 4,700 930 8,800 490
<br /> 03/16/04 24,000 A 3,100 A 870 A <50 A 3,600 A 180 A
<br /> 06/22/04 86,000 A 22,000 A 22,000 A 880 A 12,000 A 970 A
<br /> VW-4 02/08/01 605,000 33,900 27,500 3,070 24,200 1,890
<br /> 09/18/02 160,000 21,000 24,000 2,900 26,000 1,200
<br /> 06/22/04 78,000 A 9,300 A 10,000 A 1,600 A 23,000 A <250 A
<br /> VW-5 02/08/01 <50 0 2 25 <0 500 <0 500 0 574 9 41
<br /> 11/06/01 300 29 <0 50 065 <0 50 33
<br /> 03/26/02 <50 <0 50 <0 50 <0 50 <0 50 67
<br /> 06/21/02 60[2] 2 1 <0 50 052 <0 50 16
<br /> 06/17/03 220 A l 4 A <0 50 A <0 50 A 098 A <0 50 A
<br /> 12/23/03 86 A 0 63 A <0 50 A <0 50 A 058 A <0 50 A
<br /> 03/16/04 180 A <0 50 A <0 50 A <0 50 A <0 50 A <0 50 A
<br /> Arco_6100 Quanerly_Data Page 2 of 4 5TRATU5
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