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s � <br /> Pel <br /> Groundwater Elevation and Analytical Data Page 5 of 14 <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 TPH-G Benzene Toluene Ethylbenzene Xylenes MTBE DO <br /> Sampled (feet,MSL) (feet,TOC) in feet (feet,MSL) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/l) <br /> ATR-4 4120192 11 12 — 3791 —0704 — __ <br /> (Cont) 4121192 -- -- -- -- 560 150 <5 36 29 _ <br /> 718192 11 31 -- 3772 -- 590 150 21 36 39 - <br /> I OM92 11 45 3758 -014 _ __ — <br /> 1018/92 — -- -- -- 1,200 240 4 8 62 97 » _ <br /> 1118193 1045 » 3858 __ _1/19/93 — -- -- 1,200 240 5 5 44 90 _ <br /> 4114193 1087 - 3816 __ _ _ — <br /> 4/15l93 _ _ <br /> 8131193 (c) 1098 _ 10D 33 810 33 4 2<0 5 6 6 13 -- <br /> 13 <br /> 10/27/93 1098 - - 200 12 12 7 9 16 » <br /> 2118194 1031 950 140 5 73 30 <br /> 5120194 1071 - 8,100 590 5 9 190 220 — <br /> 1017194 1100 1,100 30 1 16 7 3 <br /> 12/16/94 1061 -- » - 1,600 310 2 3 350 200 - <br /> 2128195 1068 4 600 180 <5 750 100 » <br /> 4/26195 1094 -- — 1,100 19 <1 110 8 3 <br /> 7127195 11 11 -- - -- 1,700 12 <2 5 170 8 4 <br /> 10/26/95 1118 <br /> 10/27/95 -- _- - — 600 7 <1 30 2 _ <br /> 2112196 1043 - — - 6,300 <0 5 <0 5 340 150 _ <br /> 4118196 1077 — - — 770 <1 0 <1 0 41 19 _ <br /> 7118196 1052 -- 2,600 12 <5 52 <5 560 11/15196 1151 -- » — 440 <0 5 <0 5 0 8 2 2 140 <br /> 3/14/97 1157 — - — 150 1 5 <0 5 <0 5 <0 5 870 007 <br /> 614!97 NP 1093 — — — 420 8 7 14 1 2 13 5 4 008 <br /> 8/11/97 NP 1055 -- — 320 2 4 1 1 <0 5 ,57 63 <br /> 11/17/97 NP 1120 -- -- — 420 3,3 14 <0 5 076 48 <br /> 3130198 NP 1038 - — — <50 <0 5 <0 5 <05 <0 5 <5 0 1 1 <br /> 6125/98 NP 1040 - — 658 <0 5 <0 5 <05 <0 5 <5 0 1 <br /> 9111198 NP 1106 — — -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 084 <br /> 12!15198 NP 1076 -- — — <60 <0 6 <0 5 <0 5 <0 5 <60 1 1 <br /> ATR-5 3/10189 4873 — » -- -- 6,600 693 <5 0 327 7 — <br /> 6129189 1052 — 3821 — 2,200 490 2 4 280 13 -- » <br /> 9/18189 1098 -- 3775 -0 46 1,000 68 1 1 63 5 8 <br /> _ <br /> 12/27/89 1076 - 3797 022 2,200 94 2 150 <1 — <br /> 4/18/90 1090 — 3783 -014 1,900 120 2 6 6 8 140 -- <br /> 10/16/90 — — -- -- 1,000 18 4 7 79 16 -- <br /> 10119190 11 10 -- 3763 -- _ <br /> 1/10/91 1084 — 3789 026 350 71 12 16 2 6 — — <br /> 7G600-026-001/GW Tables <br />_ I <br />