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• � Page 19 of 24 <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2093 <br /> 3425 Tracy Blvd Tracy,CA <br /> Well Depth Groundwater Groundwater Product Ethyl- Xylenes <br /> Well Date Elevation to Water Elevation Elevation Thickness TPHg Benzene Toluene benzene (total) MTBE DO <br /> Number Sampled (ft,MSL) (ft TOC) (ft,MSL) . .Change(ft) (ft) (ppb) (ppb)_ (ppb) (ppb) (ppb) .,.,(ppb) (mg/L) <br /> SMW 1 10/27/1995 -- - -- 7,600 640 33 440 410 <br /> (cont) 2/12/1996 1200 -- 3,800 390 <0 5 220 98 <br /> 4/18/1996 1258 -0 58 500 60 <0 5 20 7 4 - <br /> 7/1811996 1285 -027 3,400 200 <5 130 56 60 <br /> 11/15/1996 1340 -- 0 55 2,500 180 <2 5 62 21 590 -- <br /> 3/14/1997 NP 1335 005 1,700 130 <0 5 <0 5 <0 5 230 0 13 <br /> 6/4/1997 NP 1273 - 062 - 520 36 31 14 1 5 47 005 <br /> 8/11/1997 -- <br /> 11/17/1997 NP 1296 -- <50 <0 5 <0 5 <0 5 <0 5 290 <br /> 3/30/1998 NP 1215 0 81 910 4 6 <0 5 <0 5 1 1 110 1 6 <br /> 6/26/1998 NP 1270 -055 692 0 666 <0 5 <0 5 <0 5 76 5 16 <br /> 9/11/1998 NP 1290 -020 <50 <0 5 <0 5 <0 5 <0 5 290 1 7 <br /> Well no longer monitored or sampled <br /> TEX-1 10/26/1995 (a) 1286 -- -- <350 <5 <0 6 <0 5 <0 5 - <br /> 2/12/1996 1090 -- 1 96 - -- -- -- _ <br /> 4/18/1996 11 35 -045 <50 <0 5 <0 5 <0 5 <0 5 <br /> 7/18/1996 1152 - -017 - -- -- <br /> 11/15/1996 1230 - -078 - -- - <br /> 3/14/1997 -- -- -- <br /> 6/4/1997 -- --8/11/1997 -- -- -- -_ <br /> 11/17/1997 -- -- - <br /> 3/30/1998 1100 _- <br /> 6/25/1998 100 1000 -- -- - -- -- -- <br /> 9/11/1998 -- -- -- -. <br /> 12/15/1998 1147 - - -- -- - - 01 <br /> 5/14/1999 1150 - -003 - - 4 80 <br /> 9/16/1999 1170 -- -020 -- -- -- - -- -- 2 4 <br /> 12/22/1999 1156 014 -- -- -- 183 <br /> 2/29/2000 1098 - 068 -- -- -. .. 4 0 <br /> 6/7/2000 -- <br /> 9/25/2000 <br /> 12/21/2000 1188 -- <br /> 3/27/2001 11 34 - 0 54 <br /> 6/20/2001 1163 019 - <br /> K U5 8P ARM020931QuaAerlyl2 QTR 02`Table 1-2-1)U <br />