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Tablo Pag*30
<br /> Groundwater Elevation and Analytical Data
<br /> ARCO Service Station#2133
<br /> 2908 Benjamin Holt Dr,Stockton,California
<br /> Well Depth Product Groundwater Groundwater Total
<br /> Date Elevation to Water thickness, Elevation Elevation change TPH G Benzene Toluene Ethylbenzene Xylenes MTBE DO
<br /> Sampled (feet,MSL) (feet,TOC) in feet (feet,MSL) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) mg/1
<br /> E 10 12/4/1989 -- -- - - 1,300 1,200 400 3200
<br /> (cont) 114!1990 1637 1511 -
<br /> 2/1/1990 1614 -- 1488 023
<br /> 2/15/1990 1612 -- -1486 002 -
<br /> 2/22/1990 1690 -- -1564 -078 - -
<br /> 3/8/1990 15 90 -1464 1 00 339 606 268 1,480
<br /> 4/5/1990 1606 -- -1480 -016 - - -
<br /> 4/19/1990 1620 -1494 -014 -
<br /> 5/10/1990 -- - - -
<br /> 5/24/1990 1642 -- 1516 -
<br /> 6/5/1990 1640 -- -1514 0 02 -
<br /> 6/19/1990 1714 1588 0 74 3,510 3,180 790 6,490
<br /> 7/12/1990 1721 -1595 007 --
<br /> 8/16/1990 1757 -- -1631 -0 36 -
<br /> 9/17/1990 1782 - -1656 0 25 - -- - -
<br /> 9/19/1990 1782 -1656 0 00 20,000 36 39 <50 7,700
<br /> 10/11/1990 1794 -1668 -012 - -- -
<br /> 12/6/1990 1778 -- -1652 016 - - -
<br /> 2/12/1991 1747 -1621 0 31 7,800 1,100 730 320 3,600
<br /> 2/25/1991 1741 -- -1615 006 - - - -
<br /> 4/23/1991 1656 -1530 0 85 8,200 670 180 200 750
<br /> 7/16/91 1911 -- -1785 -255 9,400 850 230 210 1 100
<br /> 10/8/1991 1960 -- 1834 -049 8,700 860 150 260 820
<br /> 1/22/1992 1824 -- -1698 1 36 32,000 3,200 800 3,600 3,600
<br /> 4/22/1992 1714 -1588 110 26,000 2,800 1,300 880 3,400
<br /> 7/29/1992 1862 -1736 1 48 42,000 3,400 1 100 1,400 6,400
<br /> 10/29/1992 18 99 -1773 -037 25,000 3,600 700 1,200 4,000
<br /> 1/27/1993 1577 -1451 322 31,000 2,500 540 1,100 3,100
<br /> 4/29/1993 1396 - 1270 1 81 28,000 2,500 640 1,400 4,400
<br /> 8/5/1993 1552 - -1426 -1 56 32,000 3,300 630 1 700 5,700
<br /> 11/10/1993 1585 -- 1459 -033 31,000 2,600 290 1,500 4,400
<br /> 3/21/1994 1529 -1403 0 56 28 000 2,900 290 1,700 4,500
<br /> 6/27/1994 1510 -1384 019 25,000 3,000 180 1,900 4,100
<br /> 9/29/1994 1611 - -1485 101 27,700 3,200 150 1 780 2,900
<br /> 12/8/1994 1571 -- -1445 0 40 18,000 3 300 110 1,700 3,000
<br /> 3/8/1995 1328 -- -1202 2 43 38,000 2,100 260 1,800 4,000
<br /> 6/1/1995 1449 274 1323 121 - -- - -
<br /> 9/11/1995 1501 1 31 1375 052
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