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0 Tablig Page'0540 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station 42133 <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/I <br /> 2/22/1990 1790 -1561 0 82 - - - <br /> E 3 3/8/1990 16 82 -- -1463 108 9,860 2 380 1,780 8,270 <br /> (cont) 4/5/1990 1726 1497 044 - <br /> 4/19/1990 1715 -- -1486 0 11 - - <br /> 5/10/1990 1747 -1518 -032 <br /> 5/24/1990 1742 -- -1513 0 05 <br /> 6/5/1990 1738 -1509 004 <br /> 6/18/1990 Dry - <br /> 7/12/1990 1819 - 15 90 <br /> 8/16/1990 Dry - <br /> 9/17/1990 1832 -1603 <br /> 9/19/1990 1832 - -1603 0 00 <br /> 10/11/1990 Dry -- <br /> 12/6//990 Dry - <br /> 2/11/1991 1830 -1601 -- <br /> 2/25/1991 1826 -1597 004 <br /> 4/23/1991 1779 -1550 0 47 <br /> 7/15/1991 Dry - - <br /> 10/8/1991 Dry - -- <br /> 1/22/1991 Dry -- - <br /> 4/22/1992 Dry <br /> 7/29/1992 Dry -- - <br /> 10/29/1992 Dry - -- - - - <br /> 1/27/1993 1669 -1440 - 57,000 2,700 180 660 1,900 <br /> 4/29/1993 1493 -1264 1 76 32,000 3,400 140 930 2 500 <br /> 8/5/1993 1670 -- -1441 -177 27,000 1,800 fig 670 1,400 <br /> 11/10/1993 1714 1485 -044 47,000 1,700 <50 740 2,000 <br /> 3/21/1994 1660 - -1431 054 24,000 1,500 86 620 1 500 <br /> 6/27/1994 1625 -1396 035 19,000 1,500 36 670 1 400 <br /> 9/29/1994 1704 -1475 -079 24,000 1,600 77 630 1,300 <br /> 12/8/1994 1668 - -1439 0 36 21,000 2,700 58 890 1,900 <br /> 3/8/1995 1420 - 1191 248 94,000 1,600 130 640 2 600 <br /> 6/1/1995 1268 -- 1039 1 52 58,000 1,900 24 590 2,500 <br /> 9/11/1995 1501 -1272 -2 33 29,000 1 900 <50 640 1 900 <br /> 12/5/1995 1522 -1293 -021 - <br /> 3/18/1996 1040 - -811 482 15,000 480 12 390 660 <br /> 6/18/1996 11 05 -- -876 -065 <br /> 9/25/1996 1352 -- -1123 -2 47 7,600 160 <5 160 300 <50 <br />