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A <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> Former ARCO Service Station No 2168 <br /> 441 W Charter Way, Stockton CA <br /> Top of Depth to Water Level Ethyl- Total <br /> Well Date P/ Casing Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP Elevation (feet bgs) (feet msl) (pg1L) (pg/L) (pg1L) (irg1L) (pg/L) (ug1L) Wg1L) (mg1L) Comments <br /> MW-1 05/29/2003 - 1045 -- - -- -- - - -- Not Sampled <br /> 08/04/2003 P 1045 2308 -12 63 6,700 R -- 2200 <50 <50 1 160 <50 1 11 <br /> 11/03/2003 P 1045 2423 -1378 3,700 - 1,000 <25 28 81 27 212 <br /> 11/03/2003 P-f- <br /> 02/0912004 P 1045 2397 -1352 5,300 -- 1,200 <25 74 64 025 296 <br /> MW-1 B 8/30/2000 1026 2125 -1099 504 - 160 69 12 262 <2 NA <br /> 11/21/2000 -- 1026 21 36 -11 10 1 500[4] - 506 165 255 553 <br /> <2 NA <br /> 2/15/2001 -- 1026 2162 -1136 721 [7] - 233 102 175 242 <2 08 <br /> 5/17/2001 - 1026 2095 -1069 425[5] - 158 395 909 73 <2 29 <br /> 8/16/2001 - 1026 2234 -1208 67 -- 066 <0 5 22 15 <2 2 <br /> 12/6/2001 - 1026 2337 -1311 77[8] - 30 063 22 13 <0 50 1 1 <br /> 2114/2002 - 1026 2171 -1145 <50 -- 58 068 <0 50 076 <0 50 17 <br /> 6/13/2002 -- 1026 2206 -11 80 <50 - 3 6(11] <0 50 <0 50 0 60[11] <0 50 13 <br /> 8/22/2002 - 1026 2314 -1288 <50 - 28 <0 50 <0 50 052 <0 50 1 1 <br /> 11/13/2002 -- 10 26 24 00 -13 74 <50 - 7 <0 50 <0 50 <0 50 <0 50 - <br /> 02/12/2003 1026 - -- -- - - - - -- - - Not Sampled <br /> 05/29/2003 1026 -- - - -- - - - __ - Not Sampled <br /> i <br /> 08/04/2003 P 1026 2317 -1291 <50 - <0 50 <0 50 <0 50 <0 50 <0 50 219 <br /> 11/03/2003 P 1026 2470 -1444 <50 -- 076 <0 50 <0 50 <0 50 <0 50 221 <br /> 02/09/2004 P 1026 2456 -1430 <50 1 <0 50 <0 50 <0 50 <0 5o <0 50 284 <br /> MW-1C 8/30/2000 -- 1021 2219 -1198 537 - 63 <2 <2 406 <2 NA <br /> 11/21/2000 -- 1021 2169 -1148 62 3[41 - 5 69 121 0 999 351 <2 NA <br /> 2/15/2001 -- 1021 2180 -11 59 <50 -- 988 142 164 259 <2 08 <br /> 5/17/2001 - 1021 2123 -1102 <50 - 909 0 708 1 57 1 18 <2 1 1 <br /> 8/16/2001 - 1021 2266 -1245 <50 -- 42 065 <0 5 083 <br /> <2 24 <br /> 12/6/2001 -- 1021 2357 -1336 <50 -- 93 <br /> <0 50 14 072 <0 50 1 3 <br /> 2/14/2002 - 1021 2217 -1196 <50 � <�50 0 9[�] 0 66[i 1] <0 50 <0 50 1 3 <br /> 6/13/2002 -- i0 21 2241 -1220 4 8[11] <br /> 8/2212002 - 1021 2329 -1308 <50 4 <0 50 1 1 099 <0 50 13 <br /> 11/13/2002 -- 1021 2438 -1417 <50 - <0 50 <0 50 <0 50 <0 50 <0 50 - <br /> 02/12/2003 - 1021 -- -- - -- - -- - -- -- Not Sampled <br /> 05/29/2003 -- 1021 -- - - -- - -- Not Sampled <br /> 08/04/2003 P 1021 2330 -1309 <50 - <0 50 <0 50 <0 50 <0 50 <0 50 1 1 <br /> 11/03/2003 P 1021 24 35 -14 14 <50 w <0 50 <0 50 <0 50 <0 50 <0 50 1 56 <br /> Page 2 of 12 <br /> Report Date April 21,2004 <br />