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0 • <br /> Table 1 Page 3 of 14 <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 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 7127/95 1291 36 31 -0 96 <50 <05 <0 5 <0 5 <05 <br /> (Cont) 10/26/95 1226 - 3696 0 65 <50 <05 <0 5 <0 5 <05 - <br /> 2/12196 11 40 - 3782 086 <50 <0 5 <0 5 <0 5 <0 5 -- - <br /> 4/18196 1190 - 3732 -050 <250 <2 5 <2 5 <25 <2 5 <br /> 7118/96 1210 -- 3712 -0 20 <50 <0 5 <0 5 <05 <0 5 S00 <br /> 11/15/96 1270 -- 36 52 -0 60 <50 <D 5 <0 5 <0 5 <0 5 750 <br /> 3114/97 P 1270 - 3652 0 DO <50 <0 5 <0 5 <0 5 <0 5 280 008 <br /> 614197 NP 1202 3720 0 68 <50 0 64 <05 <0 5 <0 5 480 006 <br /> 8111/97 P 1233 - 3689 -0 31 <50 <05 <0 5 <0 5 <05 440 <br /> 11/17/97 P 1226 -- 3696 007 <50 <05 <0 5 <0 5 <05 98 <br /> 3!30198 NP 11 82 - 3740 044 <50 <0 5 <0 5 <05 <0 5 18120' 12 <br /> 6/25198 NP 12 D5 -- 3717 -023 <50 <0 5 <0 5 <05 <0 5 109 1 6 <br /> 9111/98 NP 1212 3710 -007 <50 <0 5 <0 5 <05 <0 5 250 1 67 <br /> 12/15/98 NP 1201 -- 3721 Oil <50 <0 5 <0 5 <0 5 <0 5 <5 0 15 <br /> ATR-3 4123187 4993 11 79 -- 3814 -- 17,000 2,300 180 <5 0 2,300 - -- <br /> 12/22/87 11 93 - 3800 -014 -- 5 000 50 530 2S0 <br /> 3124188 1258 -- 3735 -065 43,000 8,300 8,700 4,400 7,800 -- <br /> 6123188 11 17 - 38 76 141 70,000 6,160 4,221 1,800 4,750 - <br /> 9/29188 1223 - 3770 -1 06 57,400 8,850 17,600 2,190 8,170 <br /> 2)22/89 11 82 -- 3811 0 41 110,000 1,000 2,100 480 2,000 - - <br /> 6/29189 - - -- -- 4,500 890 520 250 1,100 -- <br /> 9/18189 1219 -- 3774 - 7 400 1,000 1,300 460 2,200 - <br /> 12/28/89 1201 -- 3792 018 27,000 840 1,400 840 5,600 _ <br /> 4118190 1215 -- 3778 -014 4,800 1,000 490 340 1,500 <br /> 10/16/90 1235 - 3758 -020 14,000 1,900 1,300 780 4,600 - <br /> 10/19/90 1228 - 3765 007 - -- _ <br /> 1110/91 1201 -- 3792 027 2,600 610 230 160 670 - <br /> 4/10/91 1182 - 3811 019 3,000 910 120 110 190 <br /> 7110191 1223 - 3770 -0 41 19,000 420 300 340 760 <br /> 9/24191 1257 - 3736 -034 2,000 280 81 69 130 - -- <br /> 1123192 1212 Sheen 3781 045 - - - <br /> 4120192 11 93 Sheen 3800 019 - - _ <br /> 718192 1222 Sheen 3771 -0 29 - - - <br /> 1017192 1238 Sheen 3755 -016 -- _ - <br /> 1118193 1122 Sheen 3871 116 - - <br /> 4114193 1149 Sheen 3844 -027 -- <br /> 7G600-026-001/GW Tables <br />