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T$b1e1 Paof30 v <br /> 9 <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 TPI-Ig Benzene Toluene Ethyfbenzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft} ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> 3110199 NP 595 - -479 2 26 <50 <0 5 <0 5 <0 5 <0 5 <5 2 9 <br /> 6122199 792 -- -676 -197 -- -- - __ __ 2 9 <br /> 9113199 NP 9 66 -- -850 -174 <50 <0 5 <0 5 <0 5 <0 5 <5 1 8 <br /> 12/15/99 9 61 -845 005 -- - - -- 6 7 <br /> 3123100 P 484 -- -368 477 <50 <0 5 <0 5 <0 5 <0 5 <2 50 3 4 <br /> 6121100 710 -- -594 -226 -- -- - -- - - 005 <br /> 9113100 NP 889 -- -7 73 -179 <50 <0 5 <0 5 <0 5 <0 5 <2 50 1 58 <br /> 12/15/00 838 -- -722 0 51 -- -- -- _ -_ 085 <br /> 311101 NP 627 -- -511 211 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 2 6 <br /> 5/10101 6 36 — -520 -009 — — — — — — 2 4 <br /> E 8 8126188 0 97 -- — -- - 271 8 <2 5 46 - <br /> 11/28/88 -- -- -- - -- 210 4 21 76 <br /> 2/27/89 - -- -- -- 227 2 5 5 7 478 -- <br /> 5/30/89 -- -- -- -- 132 5 4 8 1 273 <br /> 8/22/89 -- -- _- - 535 13 2 20 <br /> 12/4/89 -- -- — 28 1 <0 3 18 <br /> 1/4/90 <br /> 211/90 - <br /> 2/15/90 -- -- .. <br /> 2122!90 -- — .. <br /> E-8 3/8190 1554 -- -1457 -- 389 3 4 2 2 153 <br /> (cont) 415190 1579 -- -1482 -025 - -_ _ <br /> 4/19190 1589 -- -1492 -010 <br /> 5110190 1616 -- -1519 -027 - <br /> 5/24190 1614 -- -1517 002 .. <br /> 6/5190 -- -- — - -- -- - <br /> 6/18/90 1697 -- -1600 - 147 2 9 2 4 127 <br /> 7/12190 1690 -1593 007 -- -- — -- <br /> 8/16/90 1730 -- -1633 -040 -- - <br /> 9117/90 1754 -1657 -024 _. _ _ _ <br /> 9/18190 1754 -- -1657 000 140 23 <0 5 15 16 <br /> 10/11/90 1767 -- -1670 -013 -- -- _- <br /> 12/6/90 -- -- -- - -- -- - <br /> 2/12/91 1813 -- -1716 - 1,300 110 15 17 65 <br /> 2125/91 1805 -- -1708 008 -- -- __ <br /> 4/23191 16 39 -- -1542 1 66 310 9 3 <0 5 <0 5 0 87 <br /> 7116/91 1889 -- -1792 -2 50 200 18 <0 5 0 7 2 5 <br /> 10/8/91 1946 -- -1849 -057 <50 7 8 <0 5 <0 5 0 61 <br />