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0 Tabl Page*f 30 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Or,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) (feel) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) mgll <br /> E 12 4/23/1991 1710 -- -1514 098 <50 6 9 <0 5 <0 5 <0 5 <br /> (cont) 7116191 1974 -- -1778 264 320 11 <0 5 <0 5 0 9 <br /> 10/8/1991 20 29 - 1833 0 55 210 4 5 <0 5 <0 5 <1 0 <br /> 1/22/1992 1856 - 1660 173 630 2 9 1 3 <2 5 0 8 <br /> 4/22/1992 1769 1573 0 87 660 4 3 <3 2 0 9 2 1 <br /> 7/29/1992 1918 -1722 1 49 830 18 2 9 27 5 4 <br /> 10/29/1992 1955 -1759 -0 37 400 6 7 <0 5 1 3 2 7 <br /> 1/27/1993 1626 -1430 329 380 1 5 2 5 1 2 <1 <br /> 4/29/1993 1443 -- -1247 183 520 2 7 <2 <1 <2 <br /> 8/5/1993 1608 -1412 -165 830 0 6 <0 5 1 6 2 2 <br /> 11/10/1993 1622 - -1426 -014 280 <0 7 2 7 <2 4 1 7 <br /> 3/21/1994 1577 -- -1381 045 200 2 0 1 2 1 8 61 <br /> 6/27/1994 1560 -1364 0 17 220 0 8 <0 3 0 3 <0 5 <br /> 9/29/1994 1668 -- -1472 -108 330 <0 5 <0 5 <0 5 0 8 <br /> 12/8/1994 1626 1430 042 150 <0 5 1 0 1 0 2 1 <br /> 3/8/1995 1380 -- 11 84 246 200 <0 5 <1 <0 5 1 8 <br /> 6/1/1995 1232 1036 1 48 <50 <0 5 <0 5 <0 5 <0 5 <br /> 9/11/1995 1370 -1174 1 38 <50 <0 5 <0 5 <0 5 <0 5 <br /> 12/5/1995 1488 -- -1292 1 18 <50 <0 5 <0 5 <0 5 <0 5 <br /> 3/18/1996 918 -722 570 <50 <0 5 <0 5 <0 5 <0 5 <br /> 6/18/1996 985 -- -789 067 <50 <0 5 <0 5 <0 5 3 3 13 <br /> 9/25/1996 1223 -- -1027 238 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 12/4/1996 11 70 - 974 0 53 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 3/19/1997 8 01 - -605 369 <50 <0 5 <0 5 <0 5 <0 5 8 3 <br /> 6/5/1997 NP 960 -- -7 64 -159 <50 <0 5 <0 5 <0 5 <0 5 <5 103 <br /> 8/19/1997 NP 11 07 - -911 -147 <50 <0 5 <0 5 <0 5 <0 5 <5 6 2 <br /> 11/2511997 NP 11 44 - -948 -0 37 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 3/19/1998 P 518 -322 626 <50 <0 5 <0 5 <0 5 <0 5 <5 4 8 <br /> 6/24/1998 NP 724 - -528 -206 <50 <0 5 <0 5 <0 5 <0 5 <5 1 8 <br /> 9/10/1998 NP 883 -- 687 -159 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 12/17/1998 N P 897 -- -701 -014 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 3/10/1999 NP 679 4 83 2 18 <50 <0 5 <0 5 <0 5 <0 5 <5 37 <br /> 6/22/1999 NP 878 -- 682 -1 99 <50 <0 5 <0 5 <0 5 <0 5 <5 0 5 <br /> 9/13/1999 NP 1043 -847 1 65 <50 <0 5 <0 5 <0 5 <0 5 <5 6 4 <br /> 12/16/1999 NP 1030 -834 013 <50 <0 5 <0 5 <0 5 <0 5 <2 5 5 0 <br /> 3/23/2000 P 542 - -346 4 88 <50 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> 6/21/2000 P 7 96 -- -600 2 54 <50 <0 5 <0 5 <0 5 <0 5 <2 5 0 1 <br /> 9/13/2000 NP 9 71 -775 175 <50 <0 5 <0 5 <0 5 <0 5 <2 5 1 53 <br />