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0 Table0 Pag0of 31 <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/I <br /> E 3 2115190 1708 -1479 002 <br /> (cont) 2122190 17 90 - -1561 -082 - -- - - <br /> 3/8/90 1682 -- -1453 108 -- 9,860 2,380 1,780 8,270 <br /> 415/90 1726 -1497 -0 44 <br /> 4/19190 1715 -- -1486 011 - <br /> 5/10/90 1747 - -1518 -032 - <br /> 5/24/90 1742 -1513 005 <br /> 6/5/90 1738 - -1509 004 - <br /> 6/18/90 Dry - -- - <br /> 7/12/90 1819 -- -1590 - <br /> 8/16/90 Dry -- - <br /> 9/17/90 1832 -1603 - <br /> 9/19/90 1832 -- -1603 000 - <br /> 10/11/90 Dry -- -- -- -- <br /> 12/6/90 Dry -- -- <br /> 2111191 1830 -- -1601 - <br /> 2/25/91 1826 -- -1597 004 - <br /> 4/23/91 1779 -- -15 50 047 <br /> 7/15/91 Dry -- - <br /> 10/8/91 Dry .. .- <br /> 1/22/91 Dry -- - - <br /> 4/22/92 Dry - - -- <br /> 7/29/92 Dry -- <br /> 10/29/92 Dry -- -- -- -- - - -- <br /> 1127/93 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 /> 815193 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 0 54 24,000 1,500 86 620 1,500 <br /> 6/27/94 1625 - -1396 0 35 19,000 1,500 36 670 1,400 <br /> 9/29/94 1704 -- -1475 -079 24,000 1,600 77 630 1,300 <br /> 1218/94 1868 -1439 036 21,000 2,700 58 890 1,900 <br /> 3/8/95 1420 -- -1191 248 94,000 1,600 130 640 2 600 <br /> 6/1/95 1268 -1039 152 58,000 1,900 24 590 2,500 <br /> 9/11/95 1501 -- -1272 -2 33 29,000 1,900 <50 640 1,900 <br /> 1215195 1622 -- .1293 -0 21 -- - - - <br /> 3/18/96 1040 -- -811 482 15,000 480 12 390 660 <br /> 6/18/96 11 05 -- -876 -0 65 -- -- - - <br />