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Page 18 of 34 <br /> Table 1 <br /> i Groundwater Elevation and Analytical Data <br /> 11 ARCO Service Station#2133 <br /> 2908 Benjamin Holt Dr,Stockton,CA <br /> 11 <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) (mg1L) <br /> E-10 6121/00 P 704 -578 -226 3,770 434 367 560 286 429 006 <br /> (cont) 9/13100 NP 879 -- -753 -175 1,130 155 662 106 470 1,030 185 <br /> 12/15/00 P 825 - -69191 054 18,200 1,440 824 245 424 10,700 070 <br /> 312101 P 619 sheen 1 -4 93 206 6,830 1,770 <50 0 131 228 19,600 <br /> 5/10/01 P 662 -536 -043 4,500 879 229 721 354 2,750 <br /> 8/22101 P __ " - <br /> 9 05 -7 79 -243 8,800 810 250 360 1,500 13,000 -- <br /> 1215161 P 848 — -72121 057 11,000" 2,400 110 580 600 37,000 676 <br /> E-11 8/26/88 342 <br /> 11/28/88 -- -- - -- -- 440 360 110 460 -- <br /> 2/27/89 <br /> 5!30/89 .. ._ - - 400 250 120 820 <br /> -- -- 437 162 97 281 -- - -- <br /> 8/22189 -- -- - -- -- 160 36 38 220 - -- <br /> 12/4/89 - -- 240 26 38 290 - <br /> 1/4/90 1839 - -1497 -- -- <br /> 2/1/90 <br /> -2/1/90 1819 -- .1477 020 -- -- - _ -- - <br /> 2/15/90 1816 -14 7�4 003 <br /> 2122190 1893 -- -1551 077 -- __ __ <br /> 318190 1791 -1449 1 02 801 31 3 756 242 -- - <br /> 4/5190 1817 -- -14 75 -026 - -- -- -- -- <br /> 4/19/90 1825 -- -1483 -008 -- -- - -- <br /> 5/10/90 1855 -1513 030 -- -- .. -- <br /> 5/24/90 1850 - -1508 005 -- -- _ -- -. -- <br /> 6/5190 1847 -- -1505 003 -- -- _11 <br /> 6/19/90 1920 -1578 -073 135 166 20 -- <br /> 7/12190 1930 -1588 010 __ -- <br /> 8116190 1965 -- -16 23 035 <br /> 9/17/90 1994 -- -1652" -029 -- ._ __ <br /> 9/19/90 1994 -- -16 52 060 680 90 82 14 110 <br /> -- <br /> 10/11/90 2003 -- -166111 009 -- .. __ <br /> 1216/90 18 97It <br /> 15 55 106 -- <br /> 2112191 <br /> 1953 -- .1611 -056 1,400 120 13 21 300 -_ <br /> 2125/91 1940 -15 98 013 -- -- — <br /> 4123191 1866 -- -1514 084 400 22 <0 5 17 11 <br /> 7/16/91 2219 - -1877 363 4,100 420 35 40 360 <br /> 11 <br /> 10/8/91 2173 -- -1831 046 5,700 410 19 62 380 — _- <br /> Projects/ARCO/2133/Aeports/Tableslgwtables2133 As <br />