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TABLE 1 ,
<br /> GROUNDWATER MONITORING DATA
<br /> ARCO Service Station 0548
<br /> 1612 Hemmer Lane
<br /> Stockton, California
<br /> (Page 1 of 2)
<br /> Well/ Static
<br /> Sample Elevation of Water Elevation of Ethyl- Total
<br /> Number Date Top of Casing Level Groundwater TPHg Benzene Toluene benzene Xylenes TOG Observations
<br /> 11Y-1 '
<br /> W-49-MW1 10/30/91 10.36 49.58 -39.22 <50 2.1 <0.50 <0.50 0.96 NSNo FP, No S, No 0
<br /> W-49-MW1# 10/30/91 10.36 HM NM <50 <0.50 <0.50 <0.50 <0.50 NS N5
<br /> MW-1((56) 03/18/92 10.36 46.30 -35.94 130 18 0:50 <0.50 1.7 NS No FP, No S, No 0
<br /> MW-1(56) 06/10/92 10.36 48.10 -37.74 <50 1.0 <0.50 <0.50 <0.50 NS No FP, No S, No 0
<br /> MW-1(56) 09/04/92 10.36 49.85 -39.49 260 8.7 *<1 *<1 <1* NS No FP, No S, Yes'O
<br /> MW-1(56) 12/04/92 10.36 48.83 -38.47 ***150 7.0 <0.50 <0.50 <0.50 NS No FP, No S, Yes 0
<br /> MW-1* 03/04/93 10.36
<br /> MW-1(56) 06/07/93 10.36 44.24 -33.88 *160 0.9 <0.5 <0.5 <0.5 <0.5 No FP, No S, Yes 0
<br /> MW-1(56) 09/02/93 10.36 46.14 -35.78 130 0.9 <0.5 <03 <0.5 <0.5 No FP, No S, Yes 0
<br /> MW-1(56) 12/16/93 10.36 43.92 -33.56 110 1.3 0.7 0.6 1.5 <0.5 No Fp, No S, Yes 0
<br /> 11W-2
<br /> W-49-MW2 10/30/91 9.82 49.10 -39.28 <50 <0.50 <0.50 <0.50 <0,50 NS No FP, No S, No 0
<br /> MW-2(61) 03/18/92 9.82 48.81 -35.99 <50 <0.50 <030 <0.50 <0.50 NS No FP, No S, No 0
<br /> MW-2(61) 06/10/92 9.82 47.57 -37.75 <50 <0.50 <0.50 <0.50 <0.50 NS No FP, No S, No 0
<br /> MW-2(60) 09/04/92 9.82 49.36 -39.54 <50 <0.50 <0.50 <0.50 <0.50 NS No FP, No S, Yes 0
<br /> MW-2(61) 12/04/92 9.82 48.35 -39.53 <50 <0.50 <0.50 <0.50 <0.50 NS No FP, No S, Yes 0
<br /> MW-2(61) 03/04/93 9.82 45.46 -35.64 ***57 **<0.6 <0.5 <0.5 <0.5 NS No FP, No S, Yes 0
<br /> MW-2(61) 06/07/93 9.82 43.84 -34.02 <50 <0.5 <0.5 <0.5 <0.5 NS No FP, No S, No 0
<br /> MW-2(61) 09/02/93 9.82 45.65 -35.83 <50 <0.5 <0.5 <0.5 <0.5 NS No FP, No S, No 0
<br /> MW-2(61) 12/16/93 9.82 43.49 -33.67 <50 2.9 <0.5 <0.5 <0.5 NS No FP, No S, No 0
<br /> ,
<br /> 11W-3
<br /> W-49-MW3 10/30/91 9.95 49.00 -39.05 <50 <0.50 <0.50 <0.50 <0.50 NS No FP, No S, No'0
<br /> NW-3(62) 03/18/92 9.95 45.78 -35.83 <50 <0.50 <0.50 <0.50 <0.50 NS No FP, No S, No 0
<br /> NW-3(62) 06/10/92 9.95 47.47 -37.52 60 <0.50 <0.50 <0.50 <0.50 NS No FP, No S, No 0
<br /> I MW-3(62) 09/04/92 9.95 49.22 -39.27 **<73 <0.50 <0.50 <0.50 <0.50 NS No FP, No S, Yes 0
<br /> MW-3(62) 12/04/92 9.95 48.30 -38.35 **<150 <0.50 <0.50 <0.50 <0.50 NS No FP, No S, Yes 0
<br /> MW-3(62) 03/04/93 9.95 45.43 -35.48 **<140 <0.5 <0.5 <0.5 0.7 NS No FP, No S, Yes 0
<br /> 14W-3(62) 06/07/93 9.95 43.75 -33.80 **<150 <0.5 <0.5 <0.5 <0.5 NS No FP, No S, Yes 0
<br /> MW-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 /> See notes on page 2 of 2
<br /> 1213ccar/30004-8
<br /> b,,;,
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