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�*� � � � � � � W � � � � � � molir M <br /> TABLE 1 GROUNDWATER MONITORING DATA, FORMER EXXON RS 7-3942, 4444 N PERSHING AVENUE, STOCKTON, CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration(µg/L) <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> No Date (ft msl) (ft) (ft ms I) (ft) Benzene Toluene benzene Xylenes TPH-g MTBE <br /> MW13 03/03/98 808 1809 -1001 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 03/03/98 <2 0* <br /> 05/20/98 1698 -890 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 05/20/98 <2 0* <br /> 08/19/98 1838 -1030 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 08/19/98 <2 0* <br /> 11/18/98 1882 -1074 000 -- -- -- -- -- -- <br /> 03/30/99 1688 -8 80 000 -- -- -- -- -- -- <br /> 05/05/99 1709 -901 000 <0 5 <0 5 <0 5 <0 5 <50 <2 0 <br /> 08/20/99 18,72 -1064 000 -- -- -- -- -- -- <br /> 12/06/99 19 10 -1102 000 -- -- -- -- -- -- <br /> 02/29/00 1682 -874 000 <1 <1 <1 <1 <50 <1 <br /> 05/16/00 1618 -810 000 -- -- -- -- -- -- <br /> P1 01/30/91 779 3024 -2245 000 -- -- -- -- -- <br /> 05/02/91 30 13 -2234 000 340 5 430 520 3,700 <br /> 07/16-17191 3109 -2330 000 160 <2 5 160 240 3,000 - <br /> 10/15/91 31 68 -23 89 000 69 3 4 63 73 1,300 - <br /> 01/28/92 2993 -22 14 000 110 26 270 330 2,000 -- <br /> 04/30/92 2956 -21 77 000 120 <10 540 600 4,700 -- <br /> 08/13/92 31 57 -2378 000 72 4 5 260 260 2,900 -- <br /> 10/08/92 32 17 -2438 000 18 2 8 52 45 1,100 - <br /> 02/23/93 28 82 -2103 000 66 1 8 200 200 2,300 - <br /> 05/18/93 2746 -19 67 000 43 18 290 220 3,200 -- <br /> 08/22/93 2772 -1993 000 44 6 9 160 130 1,900 -- <br /> 12/30/93 27 07 -1928 000 210 52 840 770 7,800 -- <br /> 02/17/94 2675 -1896 000 57 29 250 190 2,300 - <br /> 05/10/94 2641 -1862 000 120 60 450 370 4,800 - <br /> 08/02/94 27 87 -2008 000 100 16 310 200 3,200 -- <br /> 11/01/94 2820 -2041 000 52 <0 5 160 120 1,700 - <br /> f\projects\73942\master\wp\Q50013942gw As Pace 2U o 137 <br />