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• � i <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station #2133 <br /> 2908 Benjamin Holt Drive <br /> Stockton, California <br /> i <br /> Well depth Product Groundwater Groundwater Ethyl- Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSI_) (ft,TOC) (ft) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> E-8 12/8194 1537 1440 039 190 35 1 11 24 <br /> (coni) 3/8/95 1293 -1196 2 44 200 13 <0 5 2 9 <0 5 <br /> 611195 1146 -1049 147 650 26 1 85 15 - <br /> 9/11/95 1366 -1269 220 370 74 <0 5 21 <0 5 <br /> 12/5/95 1400 -1303 0 34 150 2 8 <0 5 1 1 <0 5 - <br /> 3/18196 905 808 495 2,000 19 <0 5 93 13 <br /> 6/18196 980 -883 075 2,300 41 47 18 4 9 <5 <br /> 9125/96 1228 -1131 248 2,000 31 <1 14 1 4 <10 <br /> 1214/96 1173 -1076 055 1,800 29 <5 15 <5 <50 - <br /> 3/19/97 NP 714 -617 459 840 19 11 94 0 82 01 <br /> 6/5/97 NP 882 - -785 1 68 900 13 1 4 47 1 3 <5 0 2 <br /> 8119/97 NP 1027 -930 1 45 1,000 13 4 24 0 84 <5 0 2 <br /> 11/25/97 NP 1047 950 020 140 <0 5 <05 <0 5 <05 <5 <br /> 3119/98 NP 419 - -322 628 <50 <0 5 <0 5 <0 5 <0 5 <5 24 <br /> 6/24198 NP 622 -525 203 <50 <0 5 <0 5 <0 5 <0 5 57 1 5 <br /> 9/10/98 NP 804 -707 -182 548 <0 5 <0 5 <0 5 <0 5 <5 <br /> 12/17/98 NP 804 -- -707 000 <50 <0 5 <0 5 <0 5 <0 5 205 <br /> 3/10199 NP 5 83 -486 221 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 6/22/99 NP 776 -679 -193 <50 0 519 <0 5 <0 5 <0 5 <5 27 <br /> 9113199 NP 951 - -854 -175 <50 <05 <0 5 <0 5 <0 5 <5 21 <br /> 12/16/99 NP 940 -843 Oil <50 <0 5 <0 5 <0 5 <0 5 307 1 8 <br /> 3/23/00 NP 473 - -376 467 <50 <05 <0 5 <05 <0 5 154 12 <br /> 6/21/00 NP 691 -594 218 <50 <0 5 <0 5 <0 5 <0 5 <2 5 0 5 <br /> 9/13/00 NP 873 -776 1 82 <50 <0 5 <0 5 <0 5 <0 5 <2 5 1 42 <br /> 12/15/00 P 820 -- -723 0 53 444 0 741 0 802 <0 500 <0 500 267 060 <br /> 3/1/01 NP 616 -519 204 <50 0 <0 500 <0 500 <0 500 <0 500 261 31 <br /> 5/10/01 P 622 -525 -006 198 <0 500 0 772 0 608 1 52 <2 50 27 <br /> 8/22101 P 8 97 -800 -275 360 1 2 1 4 0 63 20 <2 5 -- <br /> 12/5/01 P 815 -718 082 280 1 1 <0 50 <0 50 071 48 1 12 <br /> 3/11/02 P 640 -543 175 77 <0 50 <0 50 <0 50 <0 50 29 1 62 <br /> 6/6102 P 731 -634 -091 51 <0 50 <0 50 <0 50 <0 50 67 083 <br /> 9/24/02 Well Inaccessible,Roadway Repaved <br /> 12/17/02 Well Inaccessible,Well Paved Over <br /> Prolects/ARCO/2133/Reports/Tables/gwtables2133 As 15 <br />