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Page�5 of 20 <br /> Table 1 Y <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 Data Elevation to Water Elevation Devation Thickness TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSE.) (ft,TOC) A MSL) Change(ft) (ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> ATR-10 10£7/92 1023 3784 -006 <50 <0 5 <0 5 <0 5 <0 5 <br /> (cont) 1118/93 961 3846 0 62 <50 <0 5 <0 5 <0 5 <0 5 - <br /> 4/14/93 994 38 13 -0 33 <50 <0 5 <0 5 <0 5 <0 5 <br /> 8130/93 1023 3784 -029 - <50 <0 5 <0 5 <0 5 <0 5 <br /> 10/27/93 1024 37 83 -0 01 -- <50 <0 5 <0 5 <05 <0 5 <br /> 2116/94 1002 3805 0 22 <10 <0 3 04 <0 3 <0 5 -- <br /> 5/20/94 1009 3798 -007 <10 <0 3 <0 3 <0 3 <0 5 -- <br /> 10l7/94 1024 3783 -015 <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 12/16/94 9 97 3810 027 -- <50 <0 5 <0 5 <0 5 <0 5 - <br /> 2/28/95 10 15 3792 -018 <50 <0 5 <0 5 <0 5 <0 5 -- - <br /> 4/25195 1027 3780 -012 -- <50 <0 5 <0 5 <0 5 <0 5 <br /> 7127195 1038 37 69 -011 - <br /> 10/26/95 1041 3766 -003 __ <br /> 2112/96 10 0`1 3806 040 <50 <0 5 <0 5 <0 5 <0 5 <br /> 4118/96 1023 3784 -0 22 -- -- -- -- <br /> 7/18/96 1040 3767 -017 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 11/15(96 1093 3714 -0 53 -- -- .. <br /> 3114/97 -- -- <br /> 6/4/97 -- -- <br /> 8/11197 NP 1066 3751 -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> 11/17/97 1047 3760 009 _- __ __ <br /> 3130/98 NP 1006 3802 042 -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 23 <br /> 6125/98 1025 3782 -020 -- _- -- <br /> 9/11/98 <br /> _9111/98 NP 1035 3772 -010 - <50 <0 5 <0 5 <0 5 <0 5 <2 5 143 <br /> 12/15/98 1021 3786 0 14 -- -- -- - -- -- 0 6 <br /> 3117199 NP 1011 3796 010 <60 <0 5 <0 5 <0 5 <0 5 <5 0 130 <br /> 5/14199 10 31 3776 -0 20 -- -- -- -- - 170 <br /> 9/16(99 NP 1044 3763 -013 <50 <0 5 <0 5 <0 5 <0 5 <5 0 3 9 <br /> 12/22199 1035 3772 009 __ __ -- -- -- -- 154 <br /> 2129100 NP 1003 3804 032 - <50 <05 <0 5 <0 5 <0 5 <2 6 5 1 <br /> 6(7100 NP 1035 3772 -0 32 <br /> 9/25(00 NP 1045 3762 -010 - <50 <0 5 <0 5 <0 5 <0 5 <2 5 060 <br /> 12/21/00 1030 37 77 015 -- -- -- -- 7 1 <br /> 3127/01 P 10 22 3786 0 08 <50 0 <0 500 <0 500 <0 500 <0 500 <2 00' 23 <br /> 6120/01 i 0 81 3726 -0 59 -- -- <br /> 9/12/01 Well inaccessible <br /> Projects/ARCO/2093/Reports/Tables/gwtab1es2093 As <br />