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Table 1 Pa�i of 20 <br /> I ' <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 /> ATR-7 718192 -- - -- - -- - - <br /> (cont) 1017/92 1221 3744 .. .. .. _ <br /> 10/8192 -- -- <50 <0 5 <0 5 <0 5 <0 5 -- -- <br /> 1/18193 1133 3832 - -- <br /> 1119193 -- -- <50 1 <0 5 0 6 <0 5 - -- <br /> 4114/93 1176 3790 <br /> 4/15193 <50 2 9 <0 5 <0 5 <0 5 <br /> 8131/93 1224 3741 -- - <50 <0 5 <0 5 <0 5 <0 5 -- — <br /> 10/27/93 1223 3742 0 01 -- <50 <0 5 <0 5 <0 5 13 -- <br /> 2(18/94 i l 93 3772 030 <10 <0 3 <0 3 <0 3 <0 5 - - <br /> 5/20/94 1200 37 65 -007 <10 <0 3 <0 3 <0 3 <0 5 -- <br /> 10/7194 1223 3742 -0 23 -- <50 <0 5 <0 5 <0 5 <0 5 .- . <br /> 12/16194 11 94 3771 029 <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 2/28/95 1200 3766 -006 <50 <0 5 <0 5 <0 5 <0 5 -- - <br /> 4/25195 1241 3724 -0 41 <50 <0 5 <0 5 <0 5 <0 5 -- - <br /> 7/27/95 1261 37 04 -020 -- <50 <0 5 <0 5 <0 5 <0 5 .. <br /> 10/26195 1267 36 98 -006 <50 <0 5 <0 5 <0 5 <0 5 - -- <br /> 2/12196 119S 3770 072 - <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 4118196 1235 3730 -040 <50 <0 5 <0 5 <0 5 <0 5 -- <br /> 7118/96 1245 3720 -010 - <50 <0 5 <0 5 <0 5 <0 5 28 -- <br /> 11/15/96 1311 3564 -066 <50 <0 5 <0 5 <0 5 <0 5 120 -- <br /> 3114/97 1320 3645 -009 -- <50 <0 5 <0 5 <0 5 <0 5 6 3 010 <br /> 614197 NP 1244 3721 076 <50 <0 5 <0 5 <0 5 <0 5 <2 5 013 <br /> 8/11/97 NP 1272 3693 -028 -- <50 <0 5 <0 5 <0 5 <0 5 22 -- <br /> 11/17/97 NP 1266 3699 006 <50 <0 5 <0 5 <0 5 <0 5 3 5 -- <br /> 3130/98 NP 1211 37 54 055 <50 <0 5 <0 5 <05 <0 5 <5 0 1 3 <br /> 6125198 NP 1246 3719 -0 35 <50 <0 5 <0 5 <0 5 <0 5 <5 0 2 5 <br /> 9/11/98 NP 1251 3714 -005 <50 <0 5 <0 5 <0 5 <0 5 <2 5 1 14 <br /> 12/15/98 NP 1241 3724 010 - <50 <0 5 <0 5 <05 <0 5 <5 0 220 <br /> 3117/99 NP 1223 3742 018 <50 <0 5 <06 <0 5 <0 5 <5 0 200 <br /> 5(14/99 NP 1241 3724 -018 - <50 <0 5 <0 5 <0 5 <0 5 <5 0 190 <br /> 9/16199 NP 1258 3707 -017 <50 <0 5 <0 5 <0 5 <0 5 <5 0 360 <br /> 12/22/99 NP 1262 3713 006 <50 <0 5 <0 5 <0 5 <0 5 <2 50 420 <br /> 2129100 NP 1206 3759 046 - <50 <0 5 <0 5 <0 5 <0 5 <2 50 470 <br /> 6/7/00 NP 1265 3710 -049 <50 <0 5 <0 5 <0 5 <0 5 572 -- <br /> 9/25/00 NP 1271 3694 -016 <50 <0 5 <0 5 <0 5 <0 5 <2 50 060 <br /> Pro)ects/ARCO/209NReportsrTables/4wtables2093 As <br />