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• TABLE 1 <br /> GROUNDWATER MONITORING DATA <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 msl) _eft btc) (ft btc) (feet msl) --mg/L _- mg/L__- m2/L _mg/L mg/L mg/L Observations <br /> MW-5 08/28/95 1510 5800 5461 -3951 130 27 <0 5 45 06 NA No FP, No S <br /> 12/07/95 1510 5320 -3810 <200** 21 <0 5 07 <0 5 NA No FP, No S <br /> 02/05/96 1510 5067 -3557 <200** 30 <0 5 09 <0 5 NA No FP, No S <br /> 05/30/96 1510 4770 -3260 140*** 15 <0 5 52 <0 5 <4** No FP, No S <br /> 09/18/96 1510 51 56 -3646 <300*** 33 <0 5 90 <0 5 <3 No FP, No S <br /> 11/26/96 1510 4934 -3424 <200*** 1 9 <0 5 05 <0 5 <4** No FP, No S <br /> 03/24/97 1510 4424 -2914 <200*** 32 <0 5 1 6 30 <8** No FP, No S <br /> 05/20/97 1510 4485 -2975 270 31 50 50 15 <20** No FP, No S <br /> 08/19/97 1510 4837 -3327 100 20 <0 5 38 <0 5 <5 No FP, No S <br /> 11/19/97 1510 4662 -31 52 <50 12 094 <0 5 091 <5 No FP, No S <br /> 03/04/98 1510 41 90 -2680 <50 56 1 8 1 6 31 <5 No FP, No S <br /> 06/26/98 1510 3964 -2454 <50 419 0 624 0 794 0 999 <5 No FP, No S <br /> 09/01/98 1510 4144 -2634 <50 132 <0 5 1 39 0 535 515 No FP, No S <br /> 12/02/98 1510 3874 -2364 <50 0 693 <0 5 <0 5 <0 5 894 No FP, No S <br /> 03/31/99 1510 3517 -2007 <50 1 33 0 586 <0 5 1 52 994 No FP, No S <br /> 06/04/99 1510 3648 -21 38 <50 503 0 721 <0 5 1 6 706 No FP, No S <br /> 09/02/99 1510 41 05 -2595 <50 614 <0 5 1 83 0 848 <5 No FP, No S <br /> 11/29/99 1510 3916 -2406 <50 0 585 0 633 <0 5 1 45 269 No FP, No S <br /> 03/16/00 1510 3516 -2006 57 5 170 <0 5 <0 5 <0 5 493 No FP, No S <br /> 06/26/00 1510 3780 -2270 523 369 <0 5 22 0 825 <2[2] No FP, No S. <br /> 09/28/00 1510 4205 -2695 <50 1 34 <0 5 <0 5 <0 5 <2[2] No FP, No S <br /> 12/19/00 1510 3768 -2258 <50 0 561 1 49 <0 5 300 566 No FP, No S <br /> 03/15/01 1510 3550 -2040 91 6 [3] <2[4] 6 71 [4] <2 [4] <2 [4] 89 2 [2] No FP, No S <br /> 06/20/01 1510 3882 -2372 78[3] 2 5[4] 5 5[4] 4 7[4] 11[4] 60[2] No FP, No S <br /> 09/12/01 1510 4305 -2795 <50 <2[4] <2[4] <2[4] <2[4] 29[2] No FP, No S <br /> 12/12/01 1510 3989 -2479 <50 <1 0[4] <1 0[4] <1 0[4] 1 2[4] 25[2] No FP, No S <br /> 03/13/02 1510 3699 -21 89 <50 <0 50 061 <0 50 <0 50 35[2] No FP, No S <br /> 06/18/02 1510 3919 -2409 <50 <0 50 061 <0 50 330 7 8[2] No FP, No S <br /> 09/11/02 1510 4433 -2923 63 34 so 19 14 9 1[2] No FP, No S <br /> k U5 BP ARC0121301Quarter1y13_QTR 021Arco_2130_3QMR02 <br /> 5 of 11 <br />