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0 0 of 36 <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 Ethyfbenzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/Q <br /> E-4 8126188 233 -- -- -- -- -- <br /> 11/28/68 - -- -- <br /> 2/27/69 -- - - 753 29 123 324 - -- <br /> 5/30/89 -- - __ <br /> 8122189 -- - - - 570 <25 44 64 <br /> 1214/89 -- <br /> 1/4/90 1738 - -1505 — -- -- -- <br /> 211/90 1716 -1483 022 <br /> 2/15190 1714 -- -1481 002 -- -- -- -_ <br /> 2122190 1798 -- -1665 -084 - -- -- -- -- <br /> 3/8/90 1690 -- -1457 108 244 182 101 193 <br /> 4/5/90 1720 - -1487 030 -- -- - -- _ <br /> 4/19/90 1721 - -1488 -001 <br /> 5110190 1754 -1521 -033 <br /> 5124190 1749 -- -1516 005 -- - - _ <br /> 6/5190 1742 -- -1509 007 <br /> 6118190 1829 -- -1596 -087 <br /> 7112190 1825 -- -1592 004 -- _ <br /> 8116190 1855 - -1622 -030 -- -- - __ <br /> 9/17/90 1890 - -1657 -035 -- -- -- -- -- _ <br /> 9119190 1890 - -1657 000 4,400 33 37 160 430 - <br /> 10/11/90 1898 -- -1665 -008 - -- -- — __ <br /> 1216190 1882 -- -1649 016 -- -- -- — -- <br /> 2/12191 1848 -1615 034 3,200 750 9 73 270 <br /> 2/25191 1843 -- -1610 005 -- -- -- -- <br /> 4123/91 1762 1529 081 -- -- -- __ <br /> 7116191 20 30 - -1797 -268 - -- -- - __ <br /> 10/8/91 20 90 -- -1857 -060 - -- __ -_ -- <br /> 1/22/92 1901 -1668 189 8,500 1,100 140 10 220 - <br /> 4/22/92 1805 -- -1572 096 6,300 730 12 110 200 <br /> 7/29192 1963 -1730 -158 7,700 1,000 14 130 310 - <br /> 10/29/92 1999 -- -1766 -036 5,600 1,300 16 130 180 - <br /> 1/27/93 1672 - -1439 327 10,000 470 26 130 270 -- <br /> 4/29193 1494 - -1261 178 14,000 1,300 22 280 520 -- <br /> 815193 1663 - -1430 -169 9,400 900 a20 160 240 <br /> Projects/ARCO/2133/Reports/TablWgwtables2133 As <br />