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i • • <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station #2133 <br /> 2908 Benjamin Holt Drive <br /> Stockton, California <br /> Well Depth Product Groundwater Groundwater Ethyl- Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mglL) <br /> E-6 5/24190 1813 -1512 002 - - - <br /> (cont) 6/5/90 1812 - -1511 001 <br /> 6/19/90 1880 -1579 068 <br /> 7/12190 1872 -1571 008 <br /> 8/16190 dry - -- <br /> 9/17/90 dry - <br /> 10/11/90 dry -- - -- -- -- <br /> 12/6/90 dry -- -- <br /> 2112/91 1886 -1585 - <br /> 2125191 1884 -1583 002 - - <br /> 4/23/91 1814 -- -1513 070 - - - <br /> 7/15/91 dry -- <br /> 10/8/91 dry <br /> 1/22/92 dry - <br /> 4/22/92 1855 -1554 <br /> 7/29192 dry -- <br /> 10/29/92 dry -- -- -- -- -- -- -- <br /> 1/27/93 1728 -1427 -- 26,000 3,300 310 1,000 1,600 -- <br /> 4/29193 1547 -1246 181 33 000 3,200 270 1,400 2,300 - <br /> 8/5/93 1711 -1410 -164 16,000 2,500 57 1,100 1,000 - <br /> 11/10/93 17 34 -1433 -023 27,000 2,500 73 1 200 1,800 <br /> 3/21/94 1684 -- -1383 050 21,000 2,000 150 1,200 2,100 <br /> 6/27/94 1658 1357 0 26 17,000 2,000 47 1,300 1,600 <br /> 9/29194 - -- - 29,400 3,100 <100 1,800 2,900 <br /> 1218194 1588 -1287 -- 18,000 2,100 240 1,800 2,600 - <br /> 3/8/95 282 1334 - -1033 254 47,000 880 170 870 2,900 <br /> 6/1195 -- -- <br /> 9/11/95 1410 -1109 - 15,000 320 <20 400 130 <br /> 12/5/95 141 1455 -1314 -205 -- -- -- -- -- <br /> 3/18/96 938 -797 517 1,200 14 <5 24 27 <br /> 6/18/96 990 -849 -052 - -- -- - -- -- <br /> 9/25196 1262 -- -1121 -272 3,700 42 <5 120 99 <50 <br /> 12/4196 1204 -1063 058 -- -- -- -- - -- -- <br /> 3/19/97 NP 756 -615 448 <50 <0 5 <0 5 <0 5 <0 5 02 <br /> Proiects/ARCO/2133/Reports/Tables/gwtables2133 As 10 <br />