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• 08 of 21 <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) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (mg1L) <br /> ATR 11 9/25/2000 NP 1021 3663 -0 86 <50 <0 5 <0 5 <0 5 <0 5 893 0 5 <br /> (cont) 12/21/2000 915 3769 106 -- -- -- - - - 4 5 <br /> 3/27/2001 P 906 3778 009 <50 0 <0 500 <0$00 <0 500 <0 500 <2 00` 3 7 <br /> 6/20/2001 925 3769 019 - - -- - _ _ <br /> 9/12/2001 P 1031 3653 -106 <50 <0 50 <0 50 <0 50 <0 50 <2 5 16 <br /> 12/19/2001 9 14 3770 1 17 - -- - -- "" " <br /> 3/14/2002 P 918 37 66 -004 - <50 <0 50 <0 50 <0 50 <0 50 <2 5 160 <br /> 6/28/2002 -- - -- -- -- - - .- <br /> 9/11/2002 P 942 3742 <50 <0 5 <0 5 <0 5 <0 5 <0 5" 2 0 <br /> 12/17/2002 - -- __ _ - - -� <br /> 3/31/2003` P 910 3774 •• <50 <0 5 <0 5 <0 5 <0 5 <0 5 1 9 <br /> ATR 12 10/16/1990 4708 -- -- <60 <0 5 <0 5 <0 5 <0 5 <br /> 10/19/1990 933 3775 -- "- <br /> 1/10/1991 9 16 3792 0 17 <50 <0 5 <0 5 <0 5 <0 5 <br /> 4/10/1991 898 3810 018 <50 <0 5 <0 5 <0 5 <0 5 - <br /> 7/12/1991 928 3780 -0 30 <50 <0 5 <0 5 <0 5 <0 5 - <br /> 9/24/1991 952 3756 -024 - -- -- <br /> 9/25/1991 __ __ -- <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 1/23/1992 906 3802 - <50 <0 5 <0 5 <0 5 <0 5 <br /> 4/20/1992 900 38 08 006 - -- -- -- -� <br /> 4/21/1992 -- -- - <50 <0 5 <0 5 <0 5 <0 5 - -- <br /> 7/8/1992 9 21 3787 -- - <60 <0 5 <0 5 <0 5 <0 5 <br /> 10/7/1992 932 3776 -011 <50 <0 5 <0 5 <0 5 <0 5 - <br /> 1/18/1993 8 32 38 76 100 - <50 <0 5 <0 5 <0 5 <0 5 <br /> 4/14/1993 879 3829 -047 <60 4 5 <0 5 <0 5 <0 5 <br /> 8/31/1993 939 3769 060 -- <50 <0 5 <0 5 <0 5 <0 5 - <br /> 10/27/1993 936 3772 003 <50 <0 5 <0 5 <0 5 <0 5 - <br /> 2/18/1994 902 3806 0 34 <10 0 4 0 5 <0 3 <0 5 <br /> 5/20/1994 906 3802 -004 <10 <0 3 <0 3 <0 3 <0 5 -- <br /> 10/7/1994 -- -- - -- - -- - <br /> 12/16/1994 -- -- - -- <br /> 2/2811995 -- -- -. - - - <br /> 4/25/1995 -- - - - <br /> 4/26/1995 -- -- ._ <br /> 7/27/1995 - <br /> 10/26/1995 - - - .- <br /> K 1W procesaV 5 BP ARC0102093\0warteri}/51 OTR 03\2093 GW MR 1403 <br />