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Tab Pa9 eof 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/l <br /> E 11 6/5/1990 1847 -1505 003 - - <br /> (cont) 6/19/1990 1920 - -1578 -073 135 16 6 20 111 <br /> 7/12/1990 1930 - -1588 010 - <br /> 8/16/1990 1965 -- 1623 0 35 - <br /> 9/17/1990 1994 -- -1652 -0 29 - - - - <br /> 9/19/1990 1994 - -1652 000 680 90 8 2 14 110 <br /> 10111/1990 2003 - -1661 -009 -- - <br /> 12/6/1990 1897 -15 55 106 - -- - <br /> 2/12/1991 1953 -1611 -0 56 1,400 120 13 21 300 <br /> 2/25/1991 1940 - -1598 0 13 - - - - <br /> 4/23/1991 1856 -1514 0 84 400 22 <0 5 1 7 11 <br /> 7/16/91 2219 -18 77 -363 4 100 420 35 40 360 <br /> 10/8/1991 21 73 -1831 046 5,700 410 19 62 380 <br /> 1/22/1992 20 00 -- -1658 173 6,200 220 64 <14 120 <br /> 4/22/1992 1908 1566 0 92 14,000 570 57 150 510 <br /> 7/29/1992 2064 - 1722 156 21,000 790 36 280 830 <br /> 10/29/1992 21 00 - 1758 0 36 6,600 390 <20 68 150 <br /> 1/27/1993 1768 - -1426 332 51,000 830 180 390 950 <br /> 4/29/1993 1591 -- -1249 1 77 28,000 530 <100 156 730 <br /> 8/5/1993 1753 -1411 -1 62 54,000 540 <130 200 550 <br /> 11/10/1993 17 56 -1414 -003 30,000 290 120 95 280 <br /> 3/21/1994 1720 -1378 036 4,900 220 16 39 170 <br /> 6/27/1994 1704 - -1362 016 3,400 210 7 9 22 120 <br /> 9/29/1994 18 12 -1470 108 2,200 180 13 24 65 <br /> 12/8/1994 1773 -- -1431 0 39 1,800 150 7 9 25 28 <br /> 3/8/1995 1525 - 11 83 248 8,600 85 <17 35 32 <br /> 6/1/1995 1375 -1033 1 50 8,900 180 <17 50 71 <br /> 9/11/1995 1596 - -1254 2 21 7,500 38 <20 32 49 <br /> 12/5/1995 1634 -- -1292 0 38 1,100 13 <8 6 5 <br /> 3/18/1996 1100 - 7 58 534 2,000 24 <0 5 4 3 65 <br /> 6/18/1996 1205 -863 -1 05 620 11 9 3 2 32 <5 <br /> 9/25/1996 1445 -- 1103 -240 400 4 <0 5 1 5 33 <5 <br /> 12/4/1996 1393 -- -1051 052 280 3 5 <0 5 1 4 2 <5 <br /> 3/19/1997 NP 950 -608 4 43 <50 <0 5 <0 5 <0 5 <0 5 1 1 <br /> 6/5/1997 NP 11 17 -775 1 67 <50 <0 5 <0 5 <0 5 <0 5 <5 1 5 <br /> 8/19/1997 NP 1264 -922 1 47 <50 <0 5 <0 5 <0 5 <0 5 <5 1 7 <br /> 11/25/1997 NP 1285 -- -943 -021 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 3/19/1998 NP 6 57 -315 628 <50 <0 5 <0 5 <0 5 <0 5 <5 32 <br /> i <br />