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TWA' r -
<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 Level Screen Groundwater Direction TP1lG Benzene Toluene benzene Xylenes MTBE [11 Observations
<br /> MW-1 (56) 02/15/95 1036 41 19 4851 -3083 E 59 2 1 25 10 33 NA No FP,No S,O=NE
<br /> MW-I (56) 05/12/95 1036 3933 -2897 E 84 47 41 1 7 65 NA No FP,No S,Yes 0
<br /> MW-1 (56) 08/29/95 1036 4089 -3053 E 190 80 5 8 47 l8 NA No FP,No S,Yes 0
<br /> MW-1 (56) 12/04/95 1036 3953 -29 17 E 78 23 1 4 14 53 NA No FP,No S,Yes 0
<br /> MW-1 02/02/96 1036 3757 -2721 E 59 34 l 5 1 5 49 NA No FP,No S,No O
<br /> MW-1 (56) 05/10/96 1036 3504 -2468 E 92 55 21 24 12 <3 No FP,No S,No O
<br /> MW-1 (56) 08/29/96 1036 3677 -2641 E 100 42 14 32 12 <3 No FP,No S,No O
<br /> MW-1 (56) 11/20/96 1036 3575 -2539 E 140 60 1 5 46 18 <3 No FP,No S,No 0
<br /> MW-1 (56) 03/19/97 1036 3202 -2166 E-SE 230 11 22 64 20 <3 No FP,No S,No O
<br /> MW-1 (56) 05/27/97 1036 3227 -2191 U-SE 300 18 16 10 25 <3 No FP,No S,No 0
<br /> MW-1 (55) 08/12/97 1036 3364 -23 28 E 110 7 075 48 96 <5 No FP,No S,No 0
<br /> MW-I (56) 11/18/97 1036 33 38 -2302 E 180 15 1 3 10 14 <5 No FP,No S,No 0
<br /> MW-1 (57) 02/16/98 1036 3003 -1967 SE <50 1 9 28 074 27 <5 No FP,No S,Yes 0
<br /> MW-1 (56) 06/23/98 [P] 1036 2748 -17 12 SE 103 458 0 581 3 17 146 <5 No FP,No S,No 0
<br /> MW-1 (55) 09/29/98 [P] 1036 2925 -18 89 E 151 124 <0 5 807 238 <5 No FP,No S,Yes 0
<br /> MW-1 (55) 12/30/98 [P] 1036 2702 -1666 SE 619 372 <0 5 142 <0 5 <5 No FP,No S,No O
<br /> MW-1 (55) 03/31/99 [P] 1036 2563 -1527 E-SE <50 143 <0 5 0 662 <0 5 <5 No FP,No S,No 0
<br /> MW-1 (55) 06/28/99 [P] 1036 2675 -1639 SE 252 245 <0 5 123 298 651 No FP,No S,No O
<br /> MW-1 (55) 09/10/99 [P] 1036 2875 -1839 E 199 139 <0 5 8 13 701 502 No FP,No S,No 0
<br /> MW-1 (55) 12/13/99 [P] 1036 27 85 -1749 E <50 <0 5 <0 5 <0 5 <0 5 5 88 No FP,No S,O=NE
<br /> MW-1 (55) 03/28/00 [P] 1036 2461 -1425 SE 109 329 <0 5 186 089 443 No FP,No S,No 0
<br /> MW-1 (56) 06/26/00 [P] 1036 2560 -1524 E 702 646 <0 5 1 46 092 <2 0[2] No FP,No S,No 0
<br /> MW-1 09/28/00 [P] 1036 28 14 -1778 E-NE 548 2 18 <0 5 1 11 <0 5 <2 5 No FP,No S,No O
<br /> MW-1 12/18/00 [P] 1036 2680 -1644 E <50 0 559 <0 5 <0 5 0 562 11 6[2] No FP,No S,No O
<br /> C IARCQ105481Q1RLY1200010548g400 xls Delta
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<br /> 1/30/01
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