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<br /> Tab* •
<br /> Groundwater Monitoring Data -
<br /> 1995 to Present
<br /> ARCO Service Station No. 548, 1612 Hammer Lane, Stockton, California Page 2 of
<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 Durection TPHG Benzene Toluene benzene Xylenes MTBE[1] Observations
<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 -1716 SE <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No 0
<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 0
<br /> MW-2 (60) 12/30/98 [P] 982 2653 -1671 SE <50 <05 <05 <0 5 <05 <5 No FP,No S,No 0
<br /> MW-2 (60) 03/31/99 [P] 982 2511 -1529 E-SE <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No 0
<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 0
<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 0
<br /> MW-3 (62) 02/15/95 995 4069 4300 -3074 E **84 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,O=NE
<br /> MW-3 (62) 05/12/95 995 3880 -2885 E **100 <0 5 <0 5 <05 <0 5 NA No FP,No S,No 0
<br /> MW-3 (62) 08/29/95 995 4027 -3032 E *<170 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> MW-3 (62) 12/04/95 995 3906 -2911 E *<150 <0 5 <05 <0 5 <0 5 NA No FP,No S,No 0
<br /> MW-3 02/02/96 995 3710 -2715 E *<100 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> MW-3 (62) 05/10/96 995 3453 -2458 E **<100 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S,No 0
<br /> MW-3 (62) 08/29/96 995 3621 -2626 E **<90 <0 5 <0 5 <0 5 <0 5 *<4 No FP,No S,No 0
<br /> MW-3 (62) 11/20/96 995 3531 -2536 E **<90 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S,No 0
<br /> MW-3 (62) 03/19/'97 995 3154 -2159 E-SE **<80 <0 5 <0 5 <0 5 <05 <3 No FP,No S,No 0
<br /> MW-3 05/27/97 995 3116 -2121 E-SE **<70 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S,No 0
<br /> MW-3 (62) 08/12/97 995 3314 -2319 E <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No O
<br /> MW-3 (62) 11/18/97 995 3295 -2300 E <50 15 087 <0 5 068 <5 No FP,No S,No O
<br /> MW-3 (63) 02/16/98 995 2905 -1910 SE 140 050 071 <0 5 <0 5 <5 No FP,No S,No 0
<br /> MW-3 (62) 06/23/98 [P] 995 2694 -1699 SE <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No 0
<br /> MW-3 (62) 09/29/98 [P] 995 2872 -1877 E <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No 0
<br /> MW-3 (62) 12/30/98 [P] 995 2656 -1661 SE <50 <0 5 <0 5 <05 <0 5 <5 No FP,No S,No 0
<br /> MW-3 (62) 03/31/99 [P] 995 2509 -1514 E-SE <50 <0 5 <0 5 <05 <0 5 17 No FP,No S,No 0
<br /> MW-3 (62) 06/28/99 [P] 995 2625 -1630 SE <50 <0 5 <0 5 <0 5 <0 5 236 No FP,No S,No 0
<br /> MW-3 -62 09/10/99 [P] 995 2828 -1833 E <50 <0 5 <0 5 <0 5 <0 5 277 No FP,No S,No 0
<br /> MW-4 (63) 02/15/95 1157 4212 4400 -3055 E <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,O=NE
<br /> MW-4 (63) 05/12/95 1157 4028 -2871 E <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> MW-4 (63) 08/29/95 1157 4172 -3015 E <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No O
<br /> MW-4 (63) 12/04/95 1157 4044 -2887 E <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> MW-4 02/02/96 1157 3854 -2697 E <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> CM{ARCHrvT\ARC)\0548\OTRLY10548g399xIs ��
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