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Table 1 Page 3 of 17 <br /> - <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 thlckness 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) (mgA) <br /> ATR-2 08/30/93 1196 - 3726 -067 <50 <0 5 <0 5 <0 5 <0 5 - - <br /> (cont} 10/27/93 1195 - 37 27 0 01 <50 <0 5 <0 5 <0 5 40 5 -- - <br /> 02N 8194 1154 - 3768 0 41 <10 07 0 9 <0 3 0 7 -- - <br /> OSM/94 11 61 - 37 61 -007 <10 09 <03 <0 3 <0 5 - - <br /> 10/07/94 1193 - 37 29 -032 <50 <0 5 <0 5 <0 5 <0 5 - - <br /> 12/16/94 1156 - 3766 037 <50 <0 5 <0 5 <0 5 <0 5 - - <br /> 0=8195 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 /> 07127/95 1291 - 36 31 -0 96 <50 <0 5 <0 5 <0 5 <0 5 - - <br /> 10/26/95 12 26 - 3696 065 <50 <0 5 <0 5 <0 5 <0 5 -- - <br /> 02/12196 11 40 - 3782 086 <50 <0 5 <0 5 <0 5 <0 5 - - <br /> 04118196 11 90 - 3732 -0 50 <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 /> 11/15196 1270 -- 3652 -060 <50 <0 5 <0 5 <0 5 <0 5 750 - <br /> 03/14/97 P 1270 - 36 52 000 <50 <0 5 <0 5 <05 <0 5 280 008 <br /> 06/04/97 NP 1202 - 3720 068 <50 0 84 <0 5 <0 5 <0 5 480 006 <br /> 08111197 P 1233 - 3689 -031 <50 <0 5 <0 5 <0 5 <0 5 440 <br /> 11/17/97 P 1226 -- 3696 007 <50 <0 5 <0 5 <0 5 <0 5 98 <br /> 03/30/98 NP 1182 - 3740 044 <50 <0 5 <0 5 <0 5 <0 5 1 Mr 12 <br /> 06/25198 NP 1205 - 3717 -0 23 <50 <0 5 <0 5 <0 5 <0 5 109 16 <br /> 09111198 NP 1212 - 3710 -007 <50 <0 5 <0 5 <0 5 <0 5 250 167 <br /> 12!15198 NP 1201 - 3721 011 <50 <0 5 <0 5 <0 5 <0 5 <5 0 15 <br /> 03/17/99 NP 1165 - 3757 036 <50 <0 5 <0 5 <0 5 N 5 <5 0 2 3 <br /> 05/14/99 NP 1205 - 3717 -0 40 <50 <0 5 <05 <0 5 <0 5 <5 0 190 <br /> 09/16139 NP 1223 -- 3699 -018 <50 <0 5 <0 5 <0 5 <0 5 <5 0 37 <br /> 12122/99 NP 1214 - 3708 009 <60 <0 5 <0 6 <0 6 <0 5 <2 60 7.43 <br /> I <br /> ATR-3 04/23/67 49 93 1179 -- 3814 - 17,000 2,300 180 <5 0 2,300 - -- <br /> 12rM87 11 93 - 3800 -014 - 5,000 50 530 250 - - <br /> 03124188 1258 - 3735 -065 43,000 8,300 8,700 4,400 7,800 - - <br /> 0612m 11 17 - 3876 141 70,000 6,160 4,221 1,800 4,750 - - <br /> 09/29/88 1223 - 3770 -106 57,400 8,850 17,600 2,190 8,170 - - <br /> 02122/89 1182 - 3811 041 110,000 1,000 2,100 480 2,000 - - <br /> 06r.em - - - -- 4,500 890 520 250 1,100 - - <br /> 09118A39 1219 - 3774 - 7,400 1,000 1,300 460 2,200 - - <br /> 12128A99 1201 - 3792 018 27,000 840 1,400 840 5,600 - - <br />