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Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Drive <br /> Stockton California <br /> well Depth Product Groundwater Groundwater Ethyl- Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene benzene (total) MtHE DO <br /> Number Sampled (ft,MSL) (n,TOC) (ft) (ft,MSL) Change(ft) (ug/1) (ugA) (ugA) (ugA) (ug1) (ugA) (mg/L) <br /> 3/21194 1462 1382 1 32 <10 <0 3 <0 3 <G3 <0 5 <br /> PR 1 6/27/94 14 98 1418 036 <10 <0 3 <0 3 <0 3 <0 5 — <br /> (cont) 9/29/94 16 09 1529 1 11 <50 <0 5 <0 5 <0 5 <0 5 <br /> 121194 1566 1486 043 <50 <0 5 <0 5 <05 <0 5 <br /> 3!8!95 1347 1267 219 <50 <0 5 <0 5 <05 <0 5 <br /> 611/95 11 94 11 14 1 53 <50 <05 <0 5 <05 <0 5 <br /> 9/11/95 1382 1302 1 88 <50 <05 <0 5 <0 5 <05 <br /> 12/5/95 1422 1342 040 — - <br /> 3/18/96 1005 925 417 <50 <0 5 <05 <0 5 <05 <br /> 6118195 1023 943 018 <br /> 9125/96 12 55 -1175 232 <50 <0 5 <05 <0 5 <0 5 <5 <br /> 12/4/96 12 05 — 1125 050 <br /> 3119/97 NP 8 04 724 401 <50 <05 <0 5 <0 5 <05 0 3 <br /> 6/5/97 NP 9 27 847 123 <50 <05 <0 5 <05 <0 5 <5 0 9 <br /> 8119/97 NP 1076 996 149 <50 <05 <0 5 <05 <0 5 <5 0 3 <br /> 11/25/97 NP 11 09 1029 0 33 <50 <0 5 <0 5 <05 <05 <5 <br /> 3/19/98 P 4 58 378 651 <50 <0 5 <0 5 <05 <0 5 <5 21 <br /> 6124/98 Well box inaccessible <br /> 9/10/98 NP 848 768 <50 <05 <05 <0 5 <0 5 <5 <br /> 12/17/98 NP 847 767 001 <50 <0 5 <05 <0 5 <0 5 <5 <br /> 3110/99 P 6 32 552 215 <50 <0 5 <05 <0 5 <0 5 <5 4 7 <br /> 6/22/99 NP 813 7 33 1 81 <50 <0 5 <0 5 <0 5 <0 5 <5 2 9 <br /> 9113199 NP 9 84 9 04 1 71 <50 <05 <0 5 <0 5 <0 5 <5 25 <br /> 12/16/99 NP 97$ 893 Oil <50 <05 <0 5 <0 5 <0 5 <2 5 47 <br /> 3/23/00 P 520 440 453 <50 <05 <0 5 <0 5 <0 5 <2 5 2 6 <br /> 6/21/00 P 6 91 611 171 <50 <05 <0 5 <0 5 <0 5 <2 5 4 6 <br /> 9/13/00 NP 9 12 832 221 <50 <05 <0 5 <05 <0 5 <25 1 32 <br /> 12/15/00 P 8 63 783 049 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 106 <br /> 3001 P 698 618 165 <50 0 <0 500 <0 500 <0 500 0 502 <2 50 4 1 <br /> 5/10101 Well inaocessible <br /> 8/22101 Well inaccessible <br /> 12/5/01 Well inaccessible <br /> 3/11102 Well inaccessible <br /> 616/02 P 783 703 <50 <0 50 <0 50 <0 50 <0 50 <2 5 018 <br /> 9/24102 P 979 899 196 <50 <0 50 <0 50 <050 <0 50 <2 5 0 35 <br /> 12/17/02 P 846 766 133 <50 <0 50 <0 50 <0 50 <050 <20 <br /> 3/18103 P 787 707 059 <50 <0 50 <0 50 <0 50 <050 <2 5 1 58 <br /> 6/17/03 P 8 21 741 0 34 <50 <0 50 <0 50 <050 <0 50 <2 5 030 <br /> 9/24103 a P 1000 — 920 179 <50 <0 50 <0 50 <0 50 <0 50 0 52 247 <br /> I IProjectslARCO121331Tableslgwtables2133 Page 24 of 36 <br />