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s • • <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station No 2093 <br /> 3425 Tracy Blvd, Tracy, CA <br /> TOC Depth to Water Level Ethyl- Total <br /> Well Date PI Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (�rg1L) (pgIL) (pg/L) (Pg/L) (jigIL) (Erg/L) (pgIL) (mglL) Comments <br /> ATR-1 2112!1996 - 5058 1230 3828 120 - <0 5 <0 5 22 <0 5 -- - <br /> 4/18/1996 - 5058 1290 3768 -- - -- -- -- - ~ <br /> 7/18/1996 - 5058 1328 3730 <50 <0 5 <0 5 <0 5 <0 5 <5 - <br /> 11/15/1996 - 5058 1374 3684 - - - -- - - -- - <br /> 3/14/1997 NP 5058 1368 3690 <50 -- <0 5 <0 5 <05 <0 5 - 03 <br /> 8/4/1997 - 5058 1304 3754 -- -- -- - -- -- - 022 <br /> 8111/1997 NP 5058 1343 3715 <50 - <0 5 <0 5 <05 <0 5 23 -- <br /> 11/17/1997 -- 5058 1329 3729 -- - - - - -- - -- <br /> 3/30/1998 NP 5058 1258 3800 <50 -- <0 5 <0 5 <0 5 <0 5 <5 0 2 <br /> 6/25/1998 -- 5058 1356 3702 - -- -- -- -- _ <br /> 9/11/1998 NP 5058 1320 3738 <50 -- <0 5 <0 5 <0 5 <0 5 <25 104 <br /> 12/15/1998 - 5058 1302 3756 - -- - -- -- - -- 13 <br /> 3/17/1999 NP 5058 1279 3779 <50 - <0 5 <0 5 <0 5 <0 5 <5 0 51 <br /> 5/14/1999 -- 5058 1306 3752 - - -- - - -- -- 22 <br /> 9/16/1999 NP 5058 1336 3722 <50 -- <0 5 <0 5 <05 <0 5 <5 0 33 <br /> 12/22/1999 - 5058 1319 3739 - - -- -- - - - 177 <br /> 2/29/2000 NP 5058 1245 3813 <50 - <0 5 <0 5 <05 <0 5 <2 5 49 <br /> 6/7/2000 NP 5058 1318 3740 - - -- - - -- -- -- <br /> 9/25/2000 NP 5058 1339 3719 <50 - <0 5 <0 5 <0 5 255 <2 5 03 <br /> 12/29/2000 -- 5058 1299 3759 -- -- -- - -- -- - 53 <br /> 3/27/2001 -- 5058 - -- -- - - -- - - - Well inaccessible <br /> 6/20/2001 - 5058 1301 3757 - - -- - -- <br /> 9/12/2001 - 5058 - - - - -- - - -- - Well inaccessible <br /> 12/19/2001 -- 5058 - - - - - - _ - Well inaccessible <br /> 3/14/20002 -- 5058 - - -- - - -- -- - Well inaccessible <br /> 6/28/2002 - 5058 -- - - - -- - - Well inaccessible <br /> 9/11/2002 _ 5058 __ _ _ _ -- - -- - - Well inaccessible <br /> 12/17/2002 - 5058 - -- - - - - - - <br /> 03/31/2003 P 5058 1292 3766 <50 -- <0 50 <0 50 <0 50 <0 50 0 61* 1 3 <br /> 06/09/2003 - 5058 1252 3806 -- - - - ~ - -- -- <br /> 09/18/2003 P 5058 1315 3743 <50 - <0 50 <0 50 <0 50 <0 50 0 56* 090 <br /> 12/24/2003 -- 5058 1298 3760 -- - -- -- - - -- - <br /> 03/IV20041 P 2238 1284 954 <50 <0 50 <0 50 <0 50 <0 50 <0 50* Is <br /> Report Date May 6,2004 Page 2 of 25 <br />