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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 Static Water Groundwater Ethyl- Total <br /> Well Top of Casing Top of Screen Level Elevation TPHG Benzene Toluene benzene }xylene MTBE <br /> Number Date feet ms]) {feet b s) (feet bgs) {feet ms]) F L µg/[- pF2L L µ L g/L Observations <br /> MW-7 02/28/95 1416 5350 5361 -3945 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-7 05/19/95 14 16 5173 -3757 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-7 08/28/95 14 16 53 51 -3935 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-7 12/07/95 14 16 52 10 -3794 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-7 02/05/96 14 16 4958 -35 42 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> MW-7 05/30/96 14 16 4665 -3249 <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S <br /> MW-7 09/18/96 14 16 5043 -3627 <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S <br /> MW-7 11/26/96 14 16 4830 -34 14 <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S <br /> MW-7 03/24/97 14 16 4320 -2904 <200*** <2** <0 5 <0 5 <0 5 <4** No FP,No S <br /> MW-7 05/20/97 14 16 43 8t -2965 <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S <br /> MW-7 08/19/97 14 16 47 25 -33 09 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-7 11/19/97 14 16 4542 -3 t 26 <50 2 6 2 9 0 80 4 5 <5 No FP,No S <br /> MW-7 03/04/98 14 16 4077 -2661 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-7 06/26/98 14 16 3857 -2441 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-7 09/01/98 14 16 4042 -2626 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-7 12/02/98 14 16 3770 -2354 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-7 03/31/99 14 16 3416 -2000 <50 1 11 106 0 932 273 <5 No FP,No S <br /> MW-7 06/04/99 14 16 35 49 -2133 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-7 09/02/99 14 16 4002 -25 86 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S <br /> MW-7 11/29/99 14 16 38 21 -2405 <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S <br /> MW-7 03/16/00 14 16 3414 -1998 <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S <br /> MW-7 06/26/00 14 16 3678 -2262 <50 <0 5 <0 5 <0 5 <0 5 <2[2] No FP,No S <br /> MW-7 09/28/00 14 16 4102 -2686 <50 <0 5 <0 5 <0 5 <0 5 <2[2] No FP,No S <br /> MW-7 12/19/00 14 16 3663 -2247 <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S <br /> C 1ARCU121301QTRLY1200012130g400 x1s Delta <br /> 7 of 10 1130/01 <br />