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TO Pe•f 14 <br /> 9 <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) (mgd) <br /> ATR-7 7118196 1245 -- 3720 -010 <50 <05 <0 5 <05 <0 5 28 — <br /> (cont) 11/15/96 1311 — 36 54 -0 66 <50 <05 <0 5 <05 <0 5 120 <br /> 3114197 1320 36 45 -009 <50 <0 5 <0 5 <0 5 <0 5 6 3 010 <br /> 614197 NP 1244 3721 076 <50 <0 5 <0 5 <0 5 <05 <2 5 013 <br /> 8111197 NP 1272 -- 3693 -028 <50 <0 5 <0 5 <0 5 <0 5 22 <br /> — <br /> 11/17/97 IVP 1266 36 99 006 <50 <0 5 <0 5 <0 5 <0 5 3 5 <br /> 3130196 IVP 1211 3754 0 55 <50 <05 <05 <0 5 <0 5 <5 0 13 <br /> 6125198 NP 1246 -- 3719 -035 <50 <05 <0 5 <05 <0 5 <50 25 <br /> 9111198 NP 1251 - 3714 -0 05 <50 <0 5 <0 5 <05 <0 5 <25 1 14 <br /> 12/15198 NP 1241 — 3724 6 10 <50 <0 5 <0 5 <0 5 <0 5 <5 0 220 <br /> ATR-8 8125/91 45 98 — -- — 2,700 110 <0 5 130 98 -- <br /> 9125191 885 -- 3713 -- 1,400 95 <0 5 51 97 <br /> 1123192 829 -- 3769 056 <50 2 5 <05 <0 5 <0 5 <br /> 4120192 811 - 3787 018 -- — <br /> 4121192 -- -- -- — 140 14 09 14 9 3 <br /> 718192 848 - 3750 — 87 40 <0 5 9 2 O S <br /> 1017192 869 - 37 29 -0 21 _ _ <br /> 1018192 — -- -- 140 7 8 32 11 8 8 <br /> 1/18/93 7 09 -- 38 89 -- — <br /> 1119193 -- — -- 980 140 1 7 11 34 — <br /> 4114193 7 80 3818 — -- <br /> 4/15/93 _ _ _ -- 110 4 2 <05 4 6 4 9 — <br /> 8131!93 981 - 3617 — 700 150 15 41 71 <br /> 10/27/93 868 -- 3730 1 13 52,000 620 2,100 2,800 8,700 _ <br /> 2117/94 825 014 3783 053 -- -- <br /> 5120194 855 014 3753 -030 <br /> 10/7/94 870 014 3738 -015 <br /> 12/16/94 8 21 Sheen 3777 039 <br /> 2/28/95 845 002 3754 -023 <br /> 4/26195 8 51 050 3782 0 28 -- -- _ <br /> 7127195 9 85 012 36 21 -161 <br /> 10/26/95 928 003 3672 051 - <br /> 2112196 7 87 002 3812 140 <br /> 4118196 8 45 002 37 54 -058 -- — _ _ <br /> 7118196 895 3703 -051 88,000 72 220 620 2,500 <500 <br /> 11/15/96 940 — 3658 -0 45 52,000 110 130 240 1,300 <200 <br /> 3/14197 924 - 3674 016 350 42 <0 5 16 26 e25 010 <br /> 614197 NP 869 — 3729 055 1,200 42 5 2 8 2 150 <25 003 <br /> 7G600-026-001/GW Tables <br />