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<br /> Table 1
<br /> Groundwater Elevation and Analytical Data ,
<br /> ARCO Service Station#2133
<br /> 2908 Benjamin Halt 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,TQC) (ft) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L)
<br /> E-10 8126/88 126 -- -- -- -- -- -- -- --
<br /> 11/28/88 -- -- - -- 2,780 5,240 690 3,570 -- -
<br /> 2/27/89 -- - - 2,970 3,020 750 5,030 - -
<br /> 5/30/89 - - -- - - 5,520 5,760 1,060 6,900 -- --
<br /> 8/22/89 -- - - 2,590 3,220 570 5,200 - --
<br /> 1214/89 -- -- - - 1,300 1,200 400 3,200 - -
<br /> 1/4/90 1637 -- -1511 -- -- -- -- __
<br /> 2/1/90 1614 -- -1488 023
<br /> 2/15/90 1612 -- -1486 002 -- -- - .- -- __
<br /> 2122190 1690 -- -1564 -078 -- -- -- --
<br /> 3/8/90 1590 - -1464 100 -- 339 606 268 1,480 -
<br /> 4/5/90 16 06 - -1480 -016 - --
<br /> 4/19/90 1620 -1494 -014
<br /> 5/10/90 -- -- -- - - -- -- - - -
<br /> 5/24/90 1642 -- -1516 - -- -- -- --
<br /> 615/90 1640 -1514 002 -- -- -- -- __
<br /> 6/19/90 1714 -1588 -074 - 3,510 3,180 790 6,490 -- -
<br /> 7/12/90 1721 -- -1595 -007 -- -- -- .. _
<br /> 8/16190 1757 -- -1631 -036 -- -- -- --
<br /> 9/17/90 1782 -1656 -025 - -- - -- -_
<br /> 9119/90 1782 -- -1656 000 20,000 36 39 <50 7,700 -
<br /> 10/11/90 1794 -- -1668 -012 -- -- -- -- --
<br /> 1216/90 1778 - -1652 016 - -- -- --
<br /> 2/12191 1747 -- -1621 031 7,800 1,100 730 320 3,600 - --
<br /> 2/25191 1741 -1615 006 -- -- -- -- -.
<br /> 4/23191 1656 - -1530 085 8,200 670 180 200 750 -
<br /> 7/16/91 1911 -- -1785 -255 9,400 850 230 210 1,100 -- --
<br /> 10/8/91 1960 -- -1834 -049 8,700 860 150 260 820
<br /> 1122/92 1824 -- -1698 136 32,000 3,200 800 3,600 3,600 - --
<br /> 4/22/92 1714 -1588 110 26,000 2,800 1,300 880 3,400 -- -
<br /> 7/29/92 1862 -1736 -148 42,000 3,400 1,100 1,400 6,400 -- --
<br /> 10/29/92 1899 - -1773 -037 25,000 3,600 700 1,200 4,000 -1/27/93 1577 -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 /> 8/5/93 1552 - -1426 -156 32,000 3,300 630 1,700 5,700 - --
<br /> 11/10/93 1585 - -1459 -033 31,000 2,600 290 1,500 4,400 - --
<br /> Projects/ARCO/2133/Reports/Tables/gwtables2133 As
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