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0 P9 of 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-3 8122189 — -- - _- -- -- <br /> (cont) 1214/89 -- -- -- <br /> 1/4190 17 34 -- -1505 -- - -- -- <br /> 211/90 1710 — -1481 024 -- -- - <br /> 2/15/90 1708 -1479 002 <br /> 2122190 17 90 -- -1561 -082 <br /> 318190 1682 -- -1453 108 - 9,860 2,380 1,780 8,270 <br /> 415/90 1726 — -1497 -044 -- - -- -- <br /> 4/19/90 17 15 - -1486 Oil - -- <br /> 5/10/90 1747 -- -1518 -032 <br /> 5124190 1742 -- -1513 005 <br /> 615190 1738 -- -1509 004 <br /> 6118/90 dry -- -- -- - - <br /> 7/12190 1819 -- 1590 <br /> 8116190 dry -- -- <br /> 9/17/90 1832 -- -1603 -- <br /> 9/19/90 <br /> 9/19/90 18 32 -- -1603 000 <br /> 10/11/90 dry -- -- - - -- <br /> 12/6/90 dry -- - <br /> 2111191 1830 -- -1601 -- <br /> 2125191 1826 -- -1597 004 <br /> 4123191 1779 -- -1550 047 <br /> 7115191 dry -- -- -- - -- -- - <br /> 10/8/91 dry -- <br /> 1122191 dry -- - <br /> 4/22/92 dry -- -- <br /> 7/29/92 dry -- - - - - -- <br /> 10/29/92 dry -- -- -- -- -- -- -- <br /> 1/27/93 1669 -- -1440 -- 57,000 2,700 180 660 1,900 -- <br /> 4/29/93 1493 -- -1264 176 32,000 3,400 140 930 2,500 -- <br /> 8/5/93 1670 -- -1441 -177 27,000 1,800 69 670 1,400 - <br /> 11/10/93 1714 -- -1485 044 47,000 1,700 <50 740 2,000 <br /> 3/21/94 1660 -- -1431 054 24,000 1,500 86 620 1,500 - <br /> 6/27/94 1625 - -1396 035 19,000 1,500 36 670 1,400 <br /> 9/29/94 1704 -- -1475 -079 24,000 1,600 77 630 1,300 <br /> 12/8194 1668 -- -1439 036 21,000 2,700 58 890 1,900 - <br /> Projects/ARCO/2133/ReportwTables/gwtables2133)ds <br />