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<br /> Table 1
<br /> Groundwater Monitoring Data
<br /> 1995 to Present
<br /> ARCO Service Station No 548, 1612 Hammer Lane, Stockton, California
<br /> Well Elevation Static Top Elevation Groundwater
<br /> Sample of Top Water of of Flow Ethyl- Total
<br /> Number Date of Casing Leel Screen Groundwater Direction TPHG Benzene Toluene benzene X lcnes MTBE III Observations
<br /> MW-2 (6 1) 02/15/95 982 4067 4700 -3085 E <50 <0 5 <0 5 050 <0 5 NA No FP,No S,O=NE
<br /> MW-2 (6 1) 05/12/95 982 3885 -2903 E <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No O
<br /> MW-2 (61) 08/29/95 982 4044 -3062 E *<52 <0 5 <0 5 10 <0 5 NA No FP,No S,No O
<br /> MW-2 (61) 12/04/95 982 3908 -2926 L *<60 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No O
<br /> MW-2 02/02/96 982 3709 -2727 E <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No O
<br /> MW-2 (61) 05/10/96 982 34 55 -2473 E <50 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S,No O
<br /> MW-2 (6 1) 08/29/96 982 3629 -2647 E **<60 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S,No O
<br /> MW-2 (6 1) 11/20/96 982 3525 -2543 E <50 05 <0 5 <0 5 <0 5 <3 No FP,No S,No O
<br /> MW-2 (61) 03/19/97 982 3152 -2170 L-SE <50 06 <0 5 <0 5 <0 5 <3 No FP,No S,No O
<br /> MW-2 05/27/97 982 3179 -21 97 E-SE <50 1 2 <0 5 <0 5 <0 5 <3 No FP,No S,No O
<br /> MW-2 (60) 08/12/97 982 33 18 -23 36 F 52 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No O
<br /> MW-2 (6 1) 11/18/97 982 3288 -2306 E <50 26 14 065 1 5 <5 No FP,No S,No O
<br /> MW-2 (60) 02/16/98 982 2948 -1966 SE <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No O
<br /> MW-2 (60) 06/23/98 [P] 982 2698 -17 16 SL <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No O
<br /> MW-2 (60) 09/29/98 [P] 982 2878 -1896 E <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No O
<br /> MW-2 (60) 12/30/98 [P] 982 2653 -1671 SE <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No O
<br /> MW-2 (60) 03/31/99 [P] 982 25 11 -1529 E-SE <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No O
<br /> MW-2 (60) 06/28/99 [P] 982 2625 -1643 SE <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No O
<br /> MW-2 (60) 09/10/99 [P] 982 2828 -1846 E <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No O
<br /> MW-2 (60) 12/13/99 [P] 982 27 35 -1753 E <50 <0 5 <0 5 <0 5 <0 5 348 No FP,No S,O=NE
<br /> MW-2 (60) 03/28/00 [P] 982 2407 -1425 SE <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S,No O
<br /> MW-2 (61) 06/26/00 [P] 982 25 12 -1530 E <50 <0 5 <0 5 <0 5 <0 5 <2 0[2] No FP,No S,No O
<br /> MW-2 09/28/00 [P] 982 2768 -1786 E-NE <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S,No O
<br /> C WZCO105481Q1RLY10548Q300 pelta
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