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Table 1m
<br /> 17
<br /> Y I�
<br /> age I of 4
<br /> Groundwater Monitoring Data J N
<br /> ARCO Service Station No. 548, 1612 Hammer Lane, Stockton, California
<br /> w
<br /> V
<br /> Well Elevation Static Top Elevation
<br /> Sample of Top Water of of Ethylw Total O
<br /> N
<br /> Number Date of Casing Level Screen Groundwater TPHG Benzene Toluene benzene X lenes MTBE Observations „
<br /> W
<br /> O
<br /> MWM1 v
<br /> -49-MW I 10/30/91 10.36 49.58 48.51 -39.22 <50 2. 1 <0.90 <0.50 0.96 NA No FP, No S, No O
<br /> W49-MW1# 10/30/91 10.36 NM NM <50 <0.50 <0.50 <0.50 <0.50 NA n
<br /> MW- 1 (56) 03/18192 10.36 46.30 -35.94 130 18.00 <0.50 <0.50 1 .7 NA No FP, No S , No O O
<br /> MW- 1 (56) 06/10/92 10.36 48. 10 -37.74 <50 1 .0 <0.50 <0.50 <0.50 NA No FP, No S, No O
<br /> MW- 1 (56) 09/04/92 10.36 49.85 -39.49 260 8.7 * *<1 **< I **<1 NA No FP, No S, Yes
<br /> MW4 (56) 12/04/92 10.36 48.83 -38.47 ***150 7A <0.50 <0.50 <0.50 NA No FP, No S, Yes O
<br /> MW-1 * 03/04/93 10.36 * * • * * * * NA No FP, No S, Yes O
<br /> MW- 1 (56) 06/07/93 10.36 44.24 -33.88 160 0.9 <0.5 <0.5 <0.5 NA No FP, No S, Yes O
<br /> MW-1 (56) 09/02/93 10.36 46. 14 -35.78 130 0.9 <0.5 <0.5 <0.5 NA No FP, No S , Yes O
<br /> MW4 (56) 12/16/93 10.36 43 .92 -33.56 110 1 .3 0.7 0.6 1 .5 NA No FP, No S, Yes O
<br /> MW- 1 (56) 04/08/94 10.36 40.94 -30.58 150 22 26 4.5 31 NA No FP, No S, O-NE
<br /> MW-1 06/22/94 10.36 41 .40 -31 .04 75 1 .7 2.2 3. 1 6.5 NA No FP, No S, O=
<br /> NE
<br /> MW-1(44) 09/23/94 10.36 43.62 -33.26 150 4.6 1 .4 1 .9 4.2 NA No FP, No S, O=
<br /> NE
<br /> MW4 (46) 12/02/94 10.36 42.81 -32.45 60 3.0 IA 1 .4 2.4 NA No FP, No S, O
<br /> MW- 1(56) 02/15/95 10.36 41 . 19 •30.83 59 2. 1 2.5 1 .0 3.3 NA No FP, No S, O=
<br /> NE
<br /> MW4 (56) 05/12/95 10.36 39.33 -28.97 84 4.7 4. 1 1 .7 6.5 NA No FP, No S. Yes O
<br /> MW-1 (56) 08/29/95 10.36 40.89 -30.53 190 8.0 5.8 4.7 18 NA No FP, No S, Yes O
<br /> MW- 1(56) 12/04/95 10.36 39.53 -29.17 78 2.3 1 .4 1 A 5.3 NA No FP. No S, Yes O In
<br /> MW-1 02/02/96 10.36 37.57 -27.21 59 3.4 1 5 LS 4.9 NA No FP, No S, No 0 M
<br /> O
<br /> MW-1(56) 05/10/96 10.36 35.04 -24.68 92 5 .5 2A 2.4 12 <3 No FP, No S, No 0 N
<br /> MW- 1 (56) 08/29/96 10.36 36.77 -26.41 100 4.2 IA 3 .2 12 <3 No FP, No S, No ID
<br /> MW- 1 (56) 11/20/96 10.36 35.75 -25.39 140 6.0 I .5 4.6 18 <3 No FP, No S, No 0 00
<br /> V
<br /> MW-2 N
<br /> <0.50 NA No FP, No S , No O
<br /> W-49-MW2 10/30/91 9.82 49. 10 47.00 -39.28 <50 <0.50 <0.50 <0.50
<br /> MW-2(61 ) 03/18/92 9.82 48.81 -35.99 <50 <0.50 <0.50 <0.50 <0.50 NA No FP, No S , No O
<br /> MW-2(61 ) 06/10/92 9.82 47.57 -37.75 <50 <0.50 <0.50 <0.50 <0.50 NA No FP, No S , No O
<br /> MW-2(61) 09/0Q92 9.82 49.36 -39.54 <50 <0.50 <0.50 <0.50 <0.50 NA No FP, No S. Yes O
<br /> M-2(61 ) 12!04/92 9.82 48.36 -39.53 <50 <0.50 <0.50 <0.50 <0.50 NA No FP, No S, Yes O
<br /> -2(61 ) 03/04/93 9.82 45.46 -35.64 ***57 **<0.6 <0.5 <0.5 <0.5 NA No FP, No S , Yes O
<br /> MW-2(61 ) 06/07/93 9.82 43.84 -34.02 <50 <0.5 <0.5 <0.5 <0.5 NA No FP, No S , No O
<br /> MW-2(61 ) 09/02/93 9.82 45.65 -35.83 <50 <0.5 <0.5 <0.5 <0.5 NA No FP, No S , No
<br /> MW-2(61 ) 12/16/93 9.82 43.49 -33.67 <50 2.9 <0.5 <0.5 <0.5 NA No FP, No S , No 0 O
<br /> N
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