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• <br /> TABLE 1 <br /> GROUNDWATER MONITORING DATA <br /> ARCO Service Station 0548 <br /> 1612 Hamner Lane <br /> I Stockton, California <br /> (Page 2 of 3) <br /> Well/ Static <br /> Sample Elevation of Water Elevation of Ethyl- Total <br /> Nunber Date Top of Casing Level Groundwater TPHg Benzene Toluene benzene Xylenes TOG Observations <br /> NW-3 cont'd <br /> MN-3(62) 09/02/93 9.95 45.51 -35.56 <50 <0.5 <0.5 <0.5 <0.5 NS No FP, No S, Yes 0 <br /> MW-3(62) 12/16/93 9.95 43.46 -33.51 **'140 <0.5 <0.5 <0.5 <0.5 NS No FP, No S, No 0 <br /> MW-3(40) 04/08/94 9.95 40.50 -30.55 330 27 16 2.5 17 NS No FP, No S <br /> MW-4 <br /> W-25-MW4 10/30/91 11.57 50.45 -38.88 <50 <0.50 <0.50 <0.50 <0.50 NA No FP, No S, No 0 <br /> MW-4(63) 03/18/92 11.57 47.24 -35.67 <50 <0.50 <0.50 <0.50 <0.50 NA No FP, No S, No 0 <br /> MW-4(63) 06/10/92 11.57 48.94 -37.37 <50 <0.50 <0.50 <0.50 <0.50 NA No FP, No S, No 0 <br /> MW-4(64) 09/04/92 11.57 50.65 -39.08 <50 <0.50 4.50 <0.50 <0.50 NA No fP, No S, Yes 0 <br /> MW-4(64) 12/04/92 11.57 49.73 -38.16 <50 <0.50 <0.50 <0.50 <0.50 NA No FP, No 5, Yes 0 <br /> MW-4(63) 03/04/93 11.57 46.89 -35.32 60 <0.5 <0.5 <0.5 <0.5 NA No FP, No S, Yes 0 <br /> MW-4(63) 06/07/93 11.57 45.22 -33.65 <50 <0.5 <0.5 <0.5 <0.5 NA No FP, No S, No 0 <br /> MW-4(63) 09/02/93 11.57 46.96 -35.39 <50 <0.5 <0.5 <0.5 <0.5 NA No FP, No S, No 0 <br /> MW-4(63) 12/16/93 11.57 44.88 -33.31 <50 <0.5 <0.5 <0.5 <0.5 NA No FP, Na S, Na 0 <br /> MW-4(41) 04/08/94 11.57 41.97 -30.40 26 1.2 2.0 0.5 2.6 NS No FP, No S <br /> NW-5 <br /> W-44-MW5 03/29/93 9.37 44.25 -34.88 930 16 <0.5 1.9 9.7 NA No FP, No S, Yes 0 <br /> MW-5(61) 06/07/93 9.37 43.38 -34.01 1,100 40 1.4 42 58 NA No FP, No S, Yes 0 <br /> MW-5(60) 09/02/93 9.37 45.32 -35.95 1,200 76 1.7 52 57 NA No FP, No S, Yes 0 <br /> MW-5(60) 12/16/93 9.37 43.03 -33.66 820 34 1.4 39 41 NA No FP, No S, Yes 0 <br /> MW-5(39) 04/08/94 9.37 39.99 -30.62 4,800 640 68 670 800 NS No FP, No S <br /> See notes on page 3 of 3 <br /> 0429ccer/30004-11 <br />