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Table 1 <br /> Groundwater Monitoring Data <br /> 1995 to Present <br /> ARCO Service Station No 2130 <br /> 7906 North EI Dorado Street, Stockton, California <br /> Elevation Statte Water Groundwater Ethyl- Total <br /> Weil Top of Casing Top of Screen Level Elevation TPHG Benzene Toluene benzene Xylene MTBE <br /> Number Date (feet msl) (feet b s) (feet b s) (feet msl) }t L L pg/L µg/L pg1L µ L Observations <br /> MW-3 02/28/95 16 10 6000 55 88 -3978 73 0 7 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-3 05/19/95 16 10 53 94 -37 84 52*** <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-3 08/28/95 16 10 55 64 -3954 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-3 12/07/95 1610 5430 -3820 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-3 02/05/96 16 10 51 73 -35 63 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-3 05/30/96 1610 4879 -3269 <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S <br /> MW-3 09/18/96 1610 5273 -3663 <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S <br /> MW-3 11/26/96 1610 5041 -3431 <50 1 9 <0 5 <0 5 <0 5 <3 No FP,No S <br /> MW-3 03/24/97 16 10 4529 -2919 <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S <br /> MW-3 05/20/97 1610 45 93 -2983 <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S <br /> MW-3 08/19/97 1610 4956 -3346 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-3 11/19/97 1610 4762 -31 52 <50 13 1 1 <0 5 0 83 <5 No FP,No S <br /> MW-3 03/04/98 1610 4295 -26 85 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-3 06/26/98 1610 4067 -24 57 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-3 09/01/98 1610 4250 -2640 71 6 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-3 12/02/98 1610 3975 -23 65 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-3 03/31/99 1610 36 17 -2007 <50 054 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-3 06/04/99 16 10 3756 -2146 102 0 569 <0 5 445 0 885 <5 No FP,No S <br /> MW-3 09/02/99 1610 4216 -2606 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-3 11/29/99 1610 4024 -24 14 <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S <br /> MW-3 03/16/00 1610 3621 -20 11 <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S <br /> MW-3 06/26/00 16 10 3989 -2279 <50 <0 5 <0 5 <0 5 <0 5 <2[2] No FP,No S <br /> MW-3 09/28/00 16 10 43 14 -2704 59 3 [31 <0 5 <0 5 <0 5 <0 5 <2[2] No FP,No S <br /> PAVILION1MyDocuments\ARC0121301QTRLY1200012130Q300 Delta <br /> Page 3 of 10 11/22100 <br />