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• 0 Page 7 of 34 <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Dr,Stockton,CA <br /> Well Depth Product Groundwater Groundwater Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene Ethyibenzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOG) (ft) (ft,MSl_) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> E-5 2122190 1907 -- -1662 -178 -- -- -- -- .. <br /> (cont) 318190 1703 - -1458 204 272 394 978 532 -- -- <br /> 4/5/90 1731 -- -1486 -028 -- - -- -- .. _ <br /> 4119190 1726 -1481 005 <br /> 5/10/90 1765 -- -1520 -039 - -- -- - .. <br /> 5124/90 1761 - -1516 004 -- -- -- - -- -- ._ <br /> 615190 1757 - -1512 004 -- -- -- -- <br /> 6119190 1849 - -1604 -092 - 2,150 30 200 780 -- -- <br /> 7/12/90 1837 -- -1592 012 <br /> 8/16190 1865 - -1620 -028 -- -- - -- _ <br /> 9/17/90 1901 -- -1656 -036 -- -- -- -- -- .. _ <br /> 9/18190 1901 - -1656 000 30,000 7,400 210 860 8,300 - <br /> 10/11/90 1911 - -1666 -010 -- -- -- __ <br /> 1216/90 1895 -- -1650 016 <br /> 2114191 1862 -1617 033 18,000 6,300 120 560 4,300 -- <br /> 2125191 1859 -- -1614 003 -- -- - -- -- <br /> 4/23191 1787 - -1542 072 10,000 8,400 <0 50 270 680 -- - <br /> 7115/91 dry -- -- -- -- -- -- __ -- <br /> 1 ON91 <br /> -10/8/91 dry -- <br /> 1/22192 1923 -- -1678 -- -- -- -- -- -- <br /> 4/22/92 1831 -- -1586 092 28,000 4,300 130 560 1,700 - - <br /> 7/29192 1960 -- -1715 -129 -- - -- -- - __ <br /> 10/29/92 dry - -- -- -- -- -- -- -- <br /> 1/27/93 <br /> -1/27/93 1690 -1445 -- 26,000 4,000 110 470 800 -- - <br /> 4/29/93 1508 -1263 1 82 41,000 6,300 110 920 2,200 -- <br /> 8/5/93 1680 - -1435 -172 26,000 4,700 <50 560 560 -- <br /> 11/10193 1719 -- -1474 -039 19,000 2,500 <50 380 690 - -- <br /> 3/21/94 1660 -1415 059 13,000 1,700 40 300 650 - <br /> 6/27/94 1627 - 1382 033 9,400 1,800 17 260 520 - <br /> 9/29/94 1723 -1478 -096 7,900 1,200 <20 200 330 - <br /> 12/8/94 1683 -- -1438 040 6,800 1,300 30 220 410 -- <br /> 3/8/95 1434 -1189 249 39,000 3,000 <50 460 1,400 - -- <br /> 6/1/95 1275 -1030 159 2,300 69 <2 5 11 53 -- <br /> 9/11195 1475 -1230 -200 1,200 <3 4 6 14 -- - <br /> 12/5195 1541 -- -1296 -066 -- -- -- -- _ <br /> 3118196 960 -- -715 581 150 059 <0 5 <0 5 065 - -- <br /> Projects/ARCO/2133/Reports/Tables/gwtables2133 As <br />