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Page 18 of 33 <br /> I <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> 11 <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Dr,Stockton,CA <br /> II <br /> Well Depth Product Groundwater Groundwater Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene Ethylbenzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (it,MS61 Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> E-11 11/28/88 — -_ -- 440 380 110 460 - <br /> (cont) 2127189 -- - -- - 400 250 120 820 <br /> 5130/89 -- - - 437 162 97 281 <br /> 8122189 -- -- -- - 160 36 38 220 - <br /> 1214/89 -- — -- 240 26 38 290 <br /> 1/4/90 1839 -- -14 971 -- - -- -- -- - <br /> 211190 1819 -- -1477 020 - - <br /> 2115190 1816 — -1474 0 03 -- - <br /> 2122/90 1893 -1551'1 -077 - -- -- -- - <br /> 318/90 1791 -- i-14 49E 102 801 31 3 75 6 242 <br /> 415/90 1817 — 1-1475 -026 -- - -- -- <br /> 4/19190 1825 -- -1483 -008 - <br /> 5/10190 1855 - -1513 -030 - - <br /> 5/24190 1850 -- -15 08 005 - <br /> 615190 1847 -- -1505 003 - -- -- <br /> 6/19/90 1920 -- -1578 -073 -- 135 166 20 111 <br /> 7/12190 1930 -- .1588 -010 - -- -- <br /> a <br /> 8116/90 1965 - -1623 -035 <br /> 9117190 1994 -16 52 -029 -- -- -- - <br /> 9/19/90 1994 -- -1652 000 680 90 B 2 14 110 - <br /> 10/11/90 2003 - -166, -009 -- -- - -- <br /> 12/6190 18 97 -- -1555 106 -- -- - <br /> 2/12/91 1953 -- -1611 -056 1,400 120 13 21 300 <br /> -- -15 98 0 13 - -- <br /> 2/25191 19 40 -- -- ' <br /> 4123191 1856 -- ;„ -1514 0 84 400 22 <0 5 1 7 11 <br /> 7/16/91 22 19 -- -1877 363 4,100 420 35 40 360 <br /> i 0/6191 2173 -- -1831 046 5,700 410 19 62 380 <br /> 1122192 2000 -- -1658 1 73 6,200 220 64 <14 120 <br /> 4/22/92 1908 -- -15 66 092 14,000 570 57 150 510 <br /> 7129192 20 64 -- -1722 1 56 21,000 790 36 280 830 -- <br /> 10/29/92 2100 — -1758 036 6,600 390 <20 68 150 <br /> 1/27/93 1768 -- -14 26 332 51,000 B30 180 390 950 -- <br /> 4129/93 1591 -- -1249 177 28,000 530 <100 156 730 - <br /> 815193 1753 -- -1411 162 54,000 540 <130 200 550 <br /> 11/10/93 1756 -- -141' 003 30,000 290 120 95 280 <br /> 3/21/94 17 20 -- -1378 0 36 4 900 220 16 39 170 <br /> Pro1e012133/Reports/Tables/gwtables2133 xls <br /> s • <br />