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rr rr r� +r rr rr r ri rr � rr rr ■r rr rr rr • rr <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 P/ Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (lig/L) (E,g1L) (Frg/L) (MIL) (pg1L) (pgll-) (pg/L) (mg1L) Comments <br /> ATR-7 6!20/2001 P 4965 1247 3718 <50 — <0 50 <0 50 <0 50 <0 50 580* — <br /> 9112/2001 P 4965 1250 3715 <50 — <050 <0 50 <0 50 <0 50 140 12 <br /> 12/19/2001 P 4965 1235 3730 <50 — <0 50 <0 50 <0 50 <0 50 7 2* 101 <br /> 3/14/2002 P 4965 1242 3723 <50 — <0 50 <0 50 <0 50 <0 50 14* 066 <br /> 6/28/2002 P 4965 1248 3717 <50 — <05 <0 5 <0 5 <0 5 0 97* 36 <br /> 9/11/2002 P 4965 1244 3721 <50 -- <05 <0 5 <0 5 <0 5 1 1* 29 <br /> 12/17/2002 P 4965 1196 3769 <50 — <05 <0 5 <0 5 <0 5 <0 5* 39 <br /> 03/31/2003 P 4965 1237 3728 <50 — <0 50 <0 50 <050 <0 50 <0 50* 28 <br /> 06/09/2003 P 4965 1234 3731 <50 — <050 <0 50 <0 50 <0 50 <0 50* 30 <br /> 09/18/2003 P 4965 1252 3713 <50 — <0 50 <0 50 <0 50 <0 50 <0 50* 38 <br /> 12/24/2003 P 4965 1240 3725 <50 — <050 <0 50 <0 50 <0 50 <0 50* 34 <br /> 03/12/2004 P 2144 1253 891 <50 — <0 50 <0 50 <0 50 <0 50 <0 50* 20 <br /> 06/01/2004 — 2144 1248 896 — — — -- -- -- — -- Not Sampled <br /> 09/20/2004 — 2144 1258 886 — — -- - — — — — Not Sampled <br /> 12/1312004 -- 2144 1251 893 1 — I — I -- I -- I -- I — — — Not Sampled <br /> ATR-8 8/25/1991 — 4598 — — 2,700 — 110 <0 5 130 98 - — <br /> 9/25/1991 — 4598 885 3713 1,400 — 95 <0 5 51 97 — — <br /> 1/23/1992 - 4598 829 3769 <50 — 25 <0 5 <0 5 <0 5 — — <br /> 4/20/1992 — 4598 811 3787 — — — — — -- — — <br /> 4/21/1992 — 4598 — — 140 — 14 09 14 93 -- -- <br /> 7/8/1992 — 4598 848 3750 87 — 4 <0 5 92 08 — — <br /> 10l711992 - 4598 869 3729 — -- — -- -- -- — — <br /> 10/8/1992 -- 4598 -- — 140 — 78 32 11 88 — - <br /> 1/18/1993 — 4598 709 3889 — -- — -- -- — — — <br /> 1/19/1993 — 4598 -- — 980 — 14 17 11 34 — <br /> 4/14/1993 — 4598 780 3818 — — -- -- -- — — -- <br /> 4/15/1993 — 4598 -- -- 110 — 42 <05 46 49 — - <br /> 8/31/1993 — 4598 981 3617 700 — 15 15 41 71 -- -- <br /> 10/27/1993 — 4598 868 3730 52,000 — 620 2,100 2 800 8,700 — — <br /> 2/17/1994 -- 45 98 825 3784 — — — — — — — - ",014 ft free product <br /> present <br /> 5/20/1994 — 4598 855 3754 — - — — — — — — ^,014 ft free product <br /> present <br /> Report Date February 22,2005 Page 15 of 27 <br />