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i i • <br /> Page 15 of 20 <br /> "fable 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2093 <br /> 3425 Tracy Blvd Tracy,CA <br /> I <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 /> ATR-10 4/20/1992 1001 3806 -0 01 -- -. -- _ .. <br /> (cont) 4/21/1992 -- -- -- <50 <0 5 <0 5 <0 5 <0 5 <br /> 7/8/1992 1017 3790 - <50 <0 5 <0 5 <0 5 <0 5 <br /> 10/7/1992 1023 3784 006 - <60 <0 5 <0 5 <0 5 <0 5 -- <br /> 1/18/1993 961 38 46 0 62 - <60 <0 5 <0 5 <0 5 <0 5 -- <br /> 4l14/1993 9 94 3813 -0 33 -- <50 <0 5 <0 5 <0 5 <0 5 - <br /> 8/30/1993 1023 3784 -029 - <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 10/27/1993 1024 3783 -001 - <50 <0 5 <0 5 <0 5 <0 5 - - <br /> 2/18/1994 1002 3806 022 -- <10 <0 3 0 4 <0 3 <0 5 - <br /> 5/20/1994 1009 3798 -007 - <10 <0 3 <0 3 <0 3 <0 5 - <br /> 10/7/1994 1024 37 83 015 <50 <0 5 <0 5 <0 5 <0 5 - - <br /> 12/16/1994 997 3810 027 -- <60 <0 5 <0 5 <0 5 <0 5 -- -- <br /> 2/2811995 10 15 3792 -018 <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 4/25/1995 1027 3780 -012 - <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 7/27/1995 1038 3769 Oil -- - -- -_ -- <br /> 10/26/1995 1041 3766 003 -- -- -- .. _ <br /> 2/12/1996 1001 38 06 040 <50 <0 5 <0 5 <0 5 <0 5 - <br /> 4/18/1996 1023 3784 -022 -- -- -- .. .. -- <br /> 7/18/1996 1040 3767 -017 <50 <0 5 <0 5 <0 5 <0 5 <5 - <br /> 11/15/1996 1093 37 14 -0 53 - -- -- .. <br /> 3/14/1997 -- -- - - <br /> 6/4/1997 -- -- .. <br /> 8/11/1997 NP 1056 3761 -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 11/17/1997 1047 3760 009 - -- - _. _ <br /> 3/30/1998 NP 1005 38 02 042 <50 <0 5 <0 5 <0 5 <0 5 <5 0 2 3 <br /> 6/25/1998 1025 3782 -0 20 - -- -- __ __ _ <br /> 9/11/1998 NP 1035 3772 -0 10 <50 <0 5 <0 5 <0 5 <0 5 <2 5 143 <br /> 12/15/1998 1021 3786 014 -- - -- -- -- -- 0 6 <br /> 3/17/1999 NP 1011 3796 010 <50 <0 5 <0 5 <0 5 <0 5 <5 0 1 30 <br /> 5/14/1999 1031 3776 020 -- -- -- -- -- 170 <br /> 9/16/1999 NP 1044 3763 -0 13 <50 <0 5 <0 5 <0 5 <0 5 <5 0 3 9 <br /> 12/22/1999 1035 37 72 009 -- -- - -- 154 <br /> 2/29/2000 NP 1003 3804 032 -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 5 1 <br /> 6/7/2000 NP 1035 3772 -0 32 - -- _ __ .. .. <br /> 9/2512000 NP 1045 37 62 -010 <50 <0 5 <0 5 <0 5 <0 5 <2 5 060 <br /> 12/21/2000 1030 37 77 015 -- -- -- __ __ __ 7 1 <br /> 3/27/2001 P 1022 3785 008 -- <50 0 <0 500 <0 500 <0 500 <0 500 <2 00' 2 3 <br /> K V5 BP ARCM209314uarterly\2 OTR 02\Table 1_2_3)ds <br />