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,o, 9 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station No 5469 <br /> 130 S Wilson Way, Stockton, CA <br /> P1 TOC Depth to Calc Ethyl- <br /> / <br /> Well No Date NP Elevation Water GW GRL Benzene Toluene Xylenes MTBE DO <br /> {ft MSL) {ft BGS) <br /> Elev iN91L) #Fi50-1 (pg/L) b{�1¢ #py►L) #P9n-1 (mg/L) pH Comments <br /> (ft MSL) i <br /> MW 7 6/25/2001 1649 3820 2171 NS NS NS NS NS NS Not sampled <br /> 6/2812001 P 3834 2185 <50 <0 5 <0 5 <05 <05 <2 0[2] <br /> 9/14/2001 P 3967 -2318 <50 <05 <05 <0 5 <0 5 <2 0[2] <br /> 12114/2001 P 4080 -2431 <50 <0 50 <0 50 <050 <0 50 18[2] <br /> 2/21/2002 P 4065 -2416 <50 <0 50 <050 <0 50 <0 50 59[2] <br /> 04123!2002 P 1649 4051 2402 <50 <0 50 <0 50 <0 50 <0 50 110[2] <br /> 0911912002 P 4249 -2600 1 400[15] <10 <10 <10 <10 110[2] <br /> 12/11/2002 P 4333 2684 73[18] 12 <1 0 <1 0 1 9 98[2] <br /> 01/14/2003 NP - - <50[14] <0 50[14] <0 50[14] <0 50[14] <0 50[14] 1 3(2] <br /> 0211212003 NP - - <50 <0 50 <0 50 <0 50 <0 50 <0 50[2] <br /> 02!26!2003 P 4298 2649 <50 <050 <0 50 <0 50 0 55 <0 50[2] <br /> 05/1912003 P 4219 -2570 <50 <0 50 <0 50 <0 50 071 <0 50[2] <br /> 09/0912003 P 4369 -2720 <50 <050 <0 50 <0 50 <0 50 <0 50[21 <br /> 12/10/2003 P 4446 -2797 <50 <0 50[23 24<0 50[23 24<0 50[23 24<0 50[23 240 50[2 23 2 <br /> 0310412004 P 4370 2721 <50 <050 <0 50 <0 50 <0 50 <0 5012 28] <br /> 0610812004 P 4328 -2679 <50 <0 50 <050 <0 50 <0 50 <0 50[2] <br /> 09/14/2004 1649 4492 2843 <50 <050 <050 <0 50 <050 <050 7 8 Well inaccessible <br /> 1210912004 P 4579 -2930 <50 <0 50 <0 50 <0 50 <0 50 090 26 77 <br /> 0311612005 P 4473 -2824 <50 <0 50 <050 <0 50 <0 50 <0 50 67 77 <br /> 06!0812005 P 4265 -2616 <50 <0 50 <0 50 <0 50 <0 50 <0 50 73 70 <br /> 09!0812005 P 4337 -26 B8 <50 <050 <050 <0 50 <0 50 <0 50 1 8 78 <br /> 1210812005 P 4385 -2736 <50 <0 50 <0 50 <0 50 <0 50 <0 50 94 72 <br /> 02/27/2006 4236 -2587 - - - - - - - - Well inaooessible <br /> 03106/2006 P 4232 2583 <50 <050 <0 50 <0 50 <0 50 <0 50 57 6 9 <br /> 05/3012006 P 3964 -23 15 1 <50 <0 50 <0 50 <0 50 <0 50 <0 50 61 77 <br /> I � <br /> 5469-Table 1 Page 7 of 11 SECOR <br />