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• Tablo Paof 18 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2093 <br /> 3425 Tracy Blvd,Tracy,California <br /> Floating <br /> Well Depth product Groundwater Groundwater Total <br /> Date Elevation to Water thickness Elevation Elevation Change TPHg Benzene Toluene Ethylbenzene Xylenes MTBE DO <br /> Sampled (feet,MSL) (feet,TOC) In feet (feet,MSL) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/1) <br /> ATR-2 04/20/92 1153 -- 3769 007 <50 <0 5 <0 5 <0 5 <0 5 <br /> (cont) 07/08/92 1175 3747 -022 <50 2 8 <0 5 <0 5 <0 5 <br /> 10/07/92 11 83 -- 3739 -008 59 5 7 <0 5 <0 5 <0 5 <br /> 1118/93 -- -- -- -- - -- -- - - - <br /> W14/93 1129 -- 37 93 -- 55 3 8 07 0 8 1 9 <br /> 08/30/93 1196 3726 -067 <50 <0 5 <0 5 <0 5 <0 5 - <br /> 10/27/93 i 1 95 -- 3727 001 <50 <0 5 <0 5 <0 5 <0 5 <br /> 02/18/94 1154 - 3768 041 <10 07 09 <0 3 0 7 <br /> 05/20/94 111611 - 3781 -007 <10 0 9 <0 3 <0 3 <0 5 <br /> 10/07/94 1193 3729 -032 <50 <0 5 <0 5 <0 5 <05 <br /> 12/16/94 1156 3766 037 <50 <0 5 <0 5 <0 5 <0 5 <br /> 02/28/95 1160 -- 3762 -004 <50 <0 5 <0 5 <0 5 <0 5 <br /> 04/25/95 1195 3727 -035 <50 <0 5 <0 5 <0 5 <0 5 <br /> 07/27/95 1291 - 3631 -096 <60 <0 5 <0 5 <0 5 <0 5 <br /> 10/26/95 1226 - 3696 065 <50 <0 5 <0 5 <0 5 <0 5 <br /> 02/17/96 1140 3782 086 <50 <0 5 <0 5 <0 5 <0 5 <br /> 04/18/96 1190 -- 37 32 050 <250 <2 5 <2 5 <2 5 <2 5 <br /> 07/18/96 1210 - 3712 -020 <50 <0 5 <0 5 <0 5 <0 5 500 <br /> 11/15/96 1270 -- 3652 -060 <50 <0 5 <0 5 <0 5 <0 5 750 <br /> 03/14/97 P 1270 -- 3662 000 <50 <0 5 <0 5 <0 5 <0 5 280 008 <br /> 06/04/97 NP 1202 -- 3720 068 <50 064 <0 5 <0 5 <0 5 480 006 <br /> 08/11/97 P 1233 36 89 -0 31 <50 <0 5 <0 5 <0 5 <0 5 440 <br /> 11/17/97 P 1226 -- 3696 007 <60 <0 5 <0 5 <0 5 <0 5 98 <br /> 03/30/98 NP 1182 37 40 044 <50 <0 5 <0 5 <0 5 <0 5 18120' 1 2 <br /> 06/25/98 NP 1205 - 3717 -0 23 <50 <0 5 <0 5 <0 5 <0 5 109 1 6 <br /> 09/11/98 NP 12 12 - 37 10 -007 <50 <0 5 <0 5 <0 5 <0 5 250 1 67 <br /> 12/15/98 NP 1201 -- 3721 Oil <50 <0 5 <0 5 <0 5 <0 5 <5 0 1 5 <br /> 03/17/99 NP 1165 3757 036 <50 <0 5 <0 5 <0 5 <0 5 <5 0 2 3 <br /> 05/14/99 NP 1206 - 3717 -040 <50 <0 5 <0 5 <0 5 <0 5 <5 0 190 <br /> 09/16/99 NP 1223 -- 3699 -018 <50 <0 5 <0 5 <0 5 <0 5 <5 0 37 <br /> 12/22/99 NP 1214 3708 009 <50 <0 5 <0 5 <0 5 <0 5 <2 50 743 <br /> 02/29/00 NP 1160 -- 3772 064 <50 <0 5 <0 5 <0 5 <0 5 4 83 5 1 <br /> 06/07/00 NP 1211 3711 -0 61 <50 <0 5 <0 5 <0 5 <0 5 126 <br /> 09/25/00 NP 1211 -- 3711 000 <50 <0 5 <0 5 <0 5 <0 5 141 030 <br /> 12/29/00 P 1203 3719 008 <50 0 <0 500 <0 500 <0 500 <0 500 89" 5 6 <br /> 03127(01 P 11.92 — 3730 Oil <50 0 <0 500 <0 500 <0 500 <0 500 37 2' 4 1 <br />