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TablaT P*f 18 <br /> Groundwatef 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-5 03/14/97 1094 -- -- -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 015 <br /> (cont) 06/04/97 NP 1026 -- -- - 97 27 <0 5 <0 5 <0 5 <2 5 017 <br /> 08/11/97 NP 1044 220 34 06 <0 5 <0 5 69 - <br /> 11/17/97 NP 1060 -- - -- 190 28 065 <0 5 <0 5 51 - <br /> 03/30/98 NP 981 -- 88 <0 5 <0 5 <0 5 <0 5 62 21 <br /> 06/25/98 NP 10 11 -- ._ -- <50 <0 5 <0 5 <0 5 <0 5 911 1 5 <br /> 09/11/98 Welllnaocessable -- -- - "- - -- <br /> 12J15198 NP 1020 134 <0 5 <0 5 <0 5 <0 5 898 17 <br /> 03/17/99 NP 981756-- -- -- <br /> 0 586 <0 5 0 876 102 <5 0 74 <br /> 05/14/99 NP 1034 <50 <0 5 <0 5 <0 5 <0 5 <5 85 <br /> 09/16199 NP 1040 - -- <50 <0 5 <0 5 <0 5 <0 5 S12 22 <br /> 12/22/99 NP 1030 - -- -- <50 <0 5 <0 5 <0 5 <0 5 <2 50 635 <br /> 02/29/00 NP 970 <50 <0 5 <0 5 <0 5 <0 5 306 29 <br /> 06/07/00 Well Inaccessible -- '• —— " -� <br /> 09/25/00 NP 1057 -- - - <50 <0 5 <0 5 <0 5 <0 5 <2 50 040 <br /> 12/29/00 P 1019 -- -- 038 136 128 <0 500 <0 500 0 656 <2 00" 5 1 <br /> 03/27/01 P 1004 •• 015 808 <0 500 <0 500 <0 500 0 537 18 0' 35 <br /> ATR-6 03/10/89 4935 -- -- - <200 <06 <0 5 <0 5 <0 5 - - <br /> 06/21/89 1154 3781 <50 <0 3 <0 3 <0 3 03 <br /> 09/18/89 1160 3775 -006 <50 05 13 03 38 <br /> 12/27/89 1157 -- 3778 003 <50 <0 3 <0 3 <0 3 04 <br /> ON 18/90 1168 3767 -011 <50 19 24 06 5 <br /> 10/16/90 -- -- -- -- <50 <0 5 <0 5 <0 5 <0 5 <br /> 10/19/90 1180 - 3755 -- - -- - <br /> 01/10/91 1164 3771 016 <60 <0 5 <0 5 <0 5 <0 5 <br /> 04/10/91 1162 -- 3783 012 <50 <0 5 <0 5 <0 5 <0 5 <br /> 07/10/91 1176 -- 3759 -024 <50 <0 5 <0 5 <0 5 <0 5 <br /> 09/24/91 1195 -- 3740 019 <50 <0 5 <0 5 <0 5 <0 5 <br /> 01/23/92 1166 3769 029 <50 <0 5 <0 5 <0 5 <0 5 <br /> 04/20/92 11 56 -- 3779 010 - -- - <br /> 04/21/92 -- -- - <50 <0 5 <0 5 <0 5 <0 5 <br /> 07/08/92 1172 3763 - <60 <0 5 <0 5 <0 5 <0 5 <br /> 10/07/92 1182 -- 3753 -010 <50 <0 5 <0 5 <0 5 <0 5 <br /> 01/18/93 1104 - 3831 078 <50 <0 5 <0 5 <0 5 <0 5 1 <br /> 04/14/93 1142 -- 3793 -038 310 75 <0 6 <0 5 <0 5 <br />