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s Taft 1 • <br /> Groundwater Monitoring Data <br /> 1995 to Present <br /> ARCO Service Station No. 2130 <br /> 7906 North EI Dorado Street, Stockton, California <br /> Page 1 of 8 <br /> Well Elevation Static Water Groundwater Ethyl- Total <br /> Number Date Top of Casmg Top of Screen Level Elevation TPHG Benzene Toluene benzene Xylene MTBE Observations <br /> MW-1 02/28/95 1458 6000 54 21 -3963 340 2 1 <0 5 0 6 <0 S NA No FP, No S <br /> MW-1 05/19/95 1458 5241 -3783 210 29 <0 5 0 7 <0 5 NA No FP,No S <br /> MW-1 08/28/95 1458 5404 -3946 240 3 2 <0 5 10 <0 5 NA No FP,No S <br /> MW-1 12/07/95 1458 5267 -3809 190 17 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-1 02/05/96 1458 5011 -35 53 230 25 <0 5 05 <0 5 NA No FP,No S <br /> MW-1 05/30/96 1458 4717 -3259 180*** 12 <0 5 <0 5 <0 5 <4** No FP,No S <br /> MW-1 09/18/96 1458 5096 -3638 200 16 <0 5 <0 5 <0 5 <5** No FP,No S <br /> MW-1 31/26/96 1458 4880 -34 22 220 15 <05 <0 5 <0 5 5 No FP,No S <br /> MW-1 03/24/97 1458 43 73 -29 15 <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S <br /> MW-1 05/20/97 1458 4432 -29 74 230 <7** <0 6** <0 5 0 5 <5** No FP,No S <br /> MW-1 08/19/97 1458 4778 -33 20 200 65 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-1 11/19/97 1458 4595 -3137 170 7 0 077 <0 5 063 <5 No rT,No S <br /> MW-1 03/04/98 1458 4133 -26 75 <50 051 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-1 06/26/98 1458 3913 -2455 248 173 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-1 09/01/98 1458 4089 -2631 249 5 19 <0 5 <05 <0 5 <5 No rT,No S <br /> MW-1 12/02/98 1458 38 20 -23 62 227 <0 5 <0 5 <0 5 <0 5 127 No FP,No S <br /> MW-1 03/31/99 1458 3468 -20 10 152 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-1 06/04/99 1458 3598 -2140 168 263 <0 5 <0 5 <0 5 109 No FP,No S <br /> MW-1 09/02/99 1458 4049 -2591 232 104 <05 <0 5 <0 5 <5 No FP,No S <br /> MW-1 11/29/99 1458 3864 -2406 129 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S <br /> MW-2 02/28/95 1519 6000 5508 -39 89 110 <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-2 05/19/95 1519 5315 -3796 400 23 <0 5 21 <0 5 NA No FP,No S <br /> MW-2 08/28/95 1S19 5483 -3964 650 84 <1* 9 3 11 NA No FP,No S <br /> MW-2 12/07/95 1519 5347 -3828 540 18 <1* 3 <]* NA No FP,No S <br /> MW-2 02/05/96 1519 5193 -3674 310 28 0 6 13 08 NA No FP,No S <br /> MW-2 05/30/96 15 19 4791 -3272 510 31 10 59 13 <7** No FP,No S <br /> I <br /> CP\C1ARCHIVE1ARCo1--1301QTRLY12130g499 x1s FT Corporation <br /> 02/07/2000 <br />