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Tab P.0of 18 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Statton#2093 <br /> 3425 Tracy Blvd,Tracy,California <br /> Floating <br /> Well Depth product Groundwater Groundwater Total <br /> Date Sevation 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 03/10/89 4873 -- -- -- 6 600 693 <5 0 327 7 <br /> 06/29/89 1062 3821 - 2,200 490 2 4 280 13 -- <br /> 09/18/89 1098 -- 37 75 -046 1,000 68 1 1 63 5 8 <br /> 12/27/89 1076 3797 022 2,200 94 2 150 <1 - <br /> 04/18/90 1090 -- 3783 014 1,900 120 2 6 6 8 140 <br /> 10/16/90 -- - -- - 1,000 18 47 79 16 - <br /> 10/19/90 11 10 -- 3763 -- -- -- -- -- - <br /> 01/10/91 1084 3789 026 350 71 12 16 26 <br /> 04/10/91 1067 3806 017 $70 46 <0 5 7 <0 5 <br /> 07/10/91 1102 -- 3771 035 1,200 95 <0 5 18 15 -- <br /> 09/24/91 1129 -- 37 44 027 <50 <0 5 <0 5 <0 5 <0 5 <br /> 01/23/92 1078 -- 3795 051 180 14 15 15 <0 5 <br /> 04/20/92 1070 -- 3803 008 -- -- - - <br /> 04/21/92 -- - 290 16 <0 5 2 <0 5 <br /> 07/08/92 1097 -- 3776 -- 240 <0 5 <0 5 06 <0 5 <br /> 10/07/92 11 11 3762 0 14 -- -- -- -- -- <br /> 10/08/92 -- -- -- -- 160 <0 5 <0 5 <0 5 <0 5 <br /> 01/18/93 994 -- 3879 -- -- -- -- -- - <br /> 01/19/93 -- -- -- 1,000 25 <05 79 13 <br /> 04/14/93 1047 3826 -- - -- -- <br /> 04/15/93 -- -- -- 810 1 5 <0 5 83 09 <br /> 08/31/93 11 16 - 3767 -- 80 <0 5 <0 5 <0 5 <0 5 <br /> 10/27/93 1111 -- 3762 005 63 <0 5 <0 5 <0 5 <0 5 <br /> 02/18/94 1073 3800 038 160 3 5 1 4 <br /> 05/20/94 1082 3791 -009 600 <0 3 2 12 17 <br /> 10/07/94 1114 - 3759 -032 660 <0 5 <0 5 <0 5 <0 5 <br /> 12/16/94 1077 3796 037 410 6 5 <0 5 <0 5 <0 5 <br /> 02/28/95 1080 -- 3798 003 60 <0 5 0 6 <0 5 <0 5 <br /> 04/26/95 1104 -- 3769 024 83 <0 5 <0 5 <0 5 <0 5 <br /> 07/27/95 1127 3746 023 58 <0 5 <0 5 <0 5 12 <br /> 10/26/95 (c) 1051 -- -- - - -- -- -- <br /> 10/27/95 -- -- - <620 <5 <0 5 <0 5 <0 5 <br /> 02/12/96 960 - - 92 1 <0 5 <0 5 <0 5 <br /> 04/18/96 806 -- -- 60 <0 5 <0 5 <0 5 <0 5 <br /> 07/18/96 1011 - 280 48 <0 5 <0 5 <0 5 14 <br /> 11/15/96 -- -- -- - - -- <br /> 03/14/97 1094 - <50 <0 5 <0 5 <0 5 <0 5 <25 015 <br />