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• Pa0of 33 <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 Ethylbenzene (total) MtBE DO <br /> Number Sampled (ft,MSL} ft,TOC) [ft) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> E-2 8126188 288 - -- -- - -- -- <br /> 11/28/88 -- -- 79 4 5 12 <br /> 2/27/89 -- - - 300 78 99 476 <br /> 5130/89 -- - - 638 103 194 753 <br /> 8/22189 -- 85 <25 <25 <25 <br /> 12/4/89 -- -- -- 102 82 <0 6 53 <br /> 114/90 1790 -- -1504 - - _ __ -- <br /> 2/1/90 1770 -- -1484 020 - <br /> 2115190 1767 -- -1481 003 - - <br /> 2122/90 1844 - -1558 -077 - - - _ <br /> 3/8/90 1740 -- -1454 104 108 245 156 339 <br /> 4/5/90 1769 -- -1483 -029 -- - - - -- <br /> 4/19/90 1772 -- -1486 -003 <br /> 5/10/90 1803 -- -1517 -031 <br /> 5/24190 1796 -- -1510 007 - <br /> 6/5/90 1795 -- 1509 001 -- -- -- - <br /> 6118190 1886 - -1600 091 636 8 63 88 <br /> 7/12/90 1876 - -1590 010 -- - - -- <br /> 8/16190 1905 -- -1619 -029 - - <br /> 9/17190 1940 - -1654 -035 -- - - - - <br /> 9/19/90 1940 -- -1654 000 2,000 10 19 80 200 <br /> 10/11/90 1949 -- -1663 -009 -- - - - -- <br /> 1216190 1934 -- -1648 015 <br /> 2111191 1900 -- -1614 034 - <br /> 2/25/91 1893 -- -1607 007 - - - -- -- <br /> 4/23191 1805 -- -1519 088 1,300 19 <0 5 12 1 8 <br /> 7/15/91 2075 1789 -270 1,600 62 20 73 43 <br /> 10/8/91 2130 -- -1844 -055 2,200 55 <2 5 33 6 <br /> 1/22/92 1947 -- -1661 1 83 2,400 41 14 22 47 <br /> 4/22/92 1862 1576 085 1,200 37 22 37 6 <br /> 7/29/92 2007 -- 1721 -145 1,800 45 45 93 47 <br /> 10/29/92 2052 -- -1766 -045 540 12 <0 5 25 14 <br /> 1/27/93 1723 -1437 329 1,900 47 94 75 70 <br /> 4129/93 1543 -- -1257 1 80 3,400 110 15 15 29 <br /> 8/5/93 1710 -- -1424 -167 2,300 45 <5 12 5 <br /> 11/10/93 -- - -- - <br /> Projects/ARCO/2133/Reports/Tables/gwtables2133 As <br />