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T401 <br /> Groundwater Monitoring Data <br /> ARCO Service Station No 2130 F <br /> 7906 North El Dorado Street, Stockton, California <br /> Page 2 of 7 <br /> Well Elevation Static Water Groundwater Total <br /> Number Date Top of Casing Top of Screen Level Elevation TPHG Benzene Toluene Eth lbenzene Xylene MTBE Observations <br /> MW-2 04/21/92 15 19 6170 -4651 1,500 16 <0 5 22 53 NA No FP,No S <br /> MW-2 05/11/92 15 19 6236 4717 NA NA NA NA NA NA No FP,No S <br /> MW-2 06/23/92 15 19 6244 -4725 NA NA NA NA NA NA No FP,No S <br /> MW-2 07/08/92 15 19 6366 -4847 2,100 140 36 27 45 NA No FP,No S <br /> MW-2 08/10/92 15 19 6458 4939 NA NA NA NA NA NA No FP, No S <br /> MW-2 09/15/92 15 19 6522 -5003 NA NA NA NA NA NA No FP,No S <br /> MW-2 10/06/92 1519 6538 -5019 950 90 54 12 79 NA No FP,No S <br /> MW-2 11/11/92 1519 6469 4950 NA NA NA NA NA NA No FP,No S <br /> MW-2 12/04/92 1519 6396 4877 NA NA NA NA NA NA No FP,No S <br /> MW-2 01/20/93 1519 6269 4750 1,400 41 <2 5 24 64 NA No FP,No S <br /> MW-2 03/22/93 1519 6079 -4560 NA NA NA NA NA NA No FP,No S <br /> MW-2 04/06/93 1519 6027 -4508 1,000 71 <2 5 31 88 NA No FP,No S <br /> MW-2 07/30/93 15 19 6098 -4579 1,200 35 26 30 15 NA No FP,No S <br /> MW-2 11/29/93 1519 6005 -4486 1,100 28 3 3 18 45 NA No FP,No S <br /> MW-2 03/23/94 15 19 55 14 -3995 1,200 14 77 69 52 NA No FP,No S <br /> MW-2 06/22/94 15 19 5522 -4003 1,200 54 15 13 58 NA No FP,No S <br /> MW-2 09/28/94 15 19 5906 4387 1,600 370 29 47 13 NA No FP,No S <br /> MW-2 12/01/94 15 19 5800 4281 220 21 <0 5 26 <0 5 NA No FP,No S <br /> MW-2 02/28/95 15 19 5508 -3989 110 <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-2 05/19/95 15 19 5315 -3796 400 23 <0 5 21 <0 5 NA No FP,No S <br /> MW-2 08/28/95 15 19 5483 -3964 650 84 <1* 93 1 1 NA No FP,No S <br /> MW-2 12/07/95 15 19 5347 -3828 540 18 <1* 3 <1* NA No FP,No S <br /> MW-2 02/05/96 15 19 5193 -3674 310 28 06 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 /> MW-2 09/18/96 15 19 5180 -3661 920 150 <2 5* 22 35 <15* No FP,No S <br /> MW-2 11/26/96 15 19 4960 -3441 520 21 <0 5 27 06 7 No FP,No S <br /> MW-3 01/07/92 1610 6000 6305 -4704 2,100 41 <3 0 <3 0 57 NA No FP,No S <br /> MW-3 02/24/92 1610 6237 4663 NA NA NA NA NA NA No FP,No S <br /> MW-3 03/31/92 1610 62 17 4616 NA NA NA NA NA NA No FP,No S <br /> MW-3 04/21/92 1610 6251 -4641 110 49 <0 5 <0 5 46 NA No FP,No S <br /> MW-3 05/11/92 1610 63 17 -4707 NA NA NA NA NA NA No FP,No S <br /> MW-3 06/23/92 1610 6326 -4716 NA NA NA NA NA NA No FP,No S <br /> N\xls\0805\11406\010997r1 As Rev 2 2113197 <br />