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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) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) {ft MSL) Change(ft) (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) (mgA-) <br /> E-10 8126188 126 - <br /> 11/28/88 2 780 5 240 690 3 570 <br /> 2127/89 2 970 3,020 750 5,030 <br /> 5130189 5 520 5 760 1 060 6 900 <br /> 8122189 2 590 3 220 570 5200 » <br /> 1214189 - 1 300 1200 400 3200 <br /> 114190 1637 1511 - <br /> 211190 1614 » 1488 023 <br /> 2115/90 1612 1486 002 <br /> 2/22190 1690 1564 078 - <br /> 3/8/90 15 90 1464 100 339 606 268 1,480 <br /> 4/5190 16 06 1480 016 - <br /> 4119/90 1620 1494 014 <br /> 5110190 - - - <br /> 5124/90 1642 1516 - <br /> 615190 1640 1514 002 <br /> 6119/90 1714 1588 074 3 510 3 180 790 6 490 <br /> 7112/90 1721 1595 007 - <br /> all W90 1757 1631 036 » <br /> 9117190 1782 1656 025 - <br /> 9119/90 1782 1656 000 20,000 36 39 <50 7 700 <br /> 10/11/90 1794 - 1668 012 - <br /> 12/6/90 1778 1652 016 <br /> 2112191 1747 - 1621 031 7 800 1,100 730 320 3 600 <br /> 2125191 1741 1615 006 - - - <br /> 4/2M t 1656 -1530 085 8200 670 180 200 750 <br /> 7/16191 1911 1785 2 55 9,400 850 230 210 1,100 <br /> 10/8191 1960 1834 049 8 700 860 150 260 820 <br /> 1122192 1824 -1698 1 36 32 000 3200 800 3 600 3 600 <br /> 4/22192 1714 1588 1 10 26 000 2 800 1 300 880 3 400 <br /> 7/29192 1862 1736 14B 42,000 3,400 1,100 1,400 6,400 <br /> 10/29/92 1899 1773 0 37 25,000 3 600 700 1,200 4 000 <br /> 1127/93 15 77 1451 322 31 000 2 500 540 1,100 3 100 - <br /> 4/29/93 1396 1270 181 28 000 2,500 640 1 400 4 400 <br /> 815193 1552 1426 156 32,000 3,300 630 1,700 5,700 <br /> 11/10/93 1585 1459 0 33 31 000 2 600 290 1 500 4 400 <br /> I1Projects"C0121331Tables4gwtables2133 Page 17 of 36 <br />