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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 TPI-Ig Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) ft) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> PR-2 7116/91 1822 -17 57 -238 <50 <0 5 <0 5 <0 5 <0 5 <br /> (Cont) 10/8/1991 1882 -- -1817 -060 - - - <br /> 1122l1992 1717 -1652 165 <50 <0 5 <05 <0 5 <0 5 <br /> 4/22/1992 1629 -1564 088 <50 <0 5 <05 <0 5 <0 5 <br /> 7/29/1992 1789 -- -1724 -160 <50 <0 5 <05 <0 5 <0 5 <br /> 10/29/1992 1831 -1766 -042 <50 <05 <0 5 <0 5 <0 5 <br /> 1/27/1993 1499 - -1434 332 <50 <05 <0 5 <0 5 <0 5 <br /> 4/29/1993 1319 -- -1254 180 <50 <05 <0 5 <0 5 <0 5 <br /> 8/5/1993 1477 -1412 -1 58 <50 <0 5 <0 5 <0 5 <0 5 <br /> 11/10/1993 1483 -- -1418 -006 <50 <0 5 <0 5 <0 5 <0 5 <br /> 3/21/1994 1430 -- -1365 053 <10 <0 3 <0 3 <0 3 <0 5 <br /> 6/27/1994 1422 -- -1357 008 <10 <0 3 <0 3 <03 <0 5 <br /> 9/29/1994 1541 - -1476 119 <50 <0 5 <0 5 <05 <0 5 <br /> 12/8/1994 1506 -- -1441 035 <50 <0 5 <0 5 <0 5 <0 5 <br /> 3/8/1995 1255 -- -1190 251 <50 <0 5 <0 5 <0 5 <0 5 <br /> 6/1/1995 1109 -- -1044 146 <50 <0 5 <0 5 <0 5 <0 5 <br /> 9/11/1995 1326 -1261 -217 <50 <0 5 <0 5 <0 5 <0 5 <br /> 12/5/1995 1364 -- -1299 -038 -- <br /> 3/18/1996 845 — -780 619 <50 <0 5 <0 5 <0 5 <0 5 <br /> 6/18/1995 945 -880 -100 -- - <br /> 9/25/1996 11 83 -- -11 18 -238 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 12/4/1996 11 29 -- -1064 054 - -- <br /> 3/19/1997 P 683 - -618 446 <50 <0 5 <0 5 <0 5 <0 5 23 <br /> 6/5/1997 853 -788 170 - -- - - 0 8 <br /> 8/19/1997 NP 997 -932 -144 <50 <05 <0 5 <0 5 <0 5 <5 0 9 <br /> 11/25/1997 1012 -- -947 -015 - <br /> 3/19/1998 P 392 - -327 620 <50 <0 5 <0 5 <0 5 <0 5 <5 67 <br /> 6/24/1998 591 — -526 -199 -- - -- <br /> 9/10/1998 P 757 - -692 -166 <50 <05 <0 5 <0 5 <0 5 <5 <br /> 12/17/1998 769 - -704 -012 - -- __ _- <br /> 3/10/1999 P 563 -- -498 206 <50 <0 5 <0 5 <0 5 <0 5 <5 29 <br /> 6/22/1999 738 - -673 -175 -- -- -- - 3 9 <br /> 9/13/1999 NP 912 -- -847 -174 <50 <05 <0 5 <0 5 <0 5 <5 33 <br /> 12/15/1999 902 -- -837 010 - -- -- 3 3 <br /> Projects/ARCO/2133/Reports/Tables/gwtables2133 As 28 <br />