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=11111110 � iiiiiiim W MIC � <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 ms]) (ft) (ft ms]) (ft) Benzene Toluene benzene Xylenes TPI -g MTBE <br /> MW6 02/13/96 892 Well dry -- -- -- -- <br /> 04/18/96 Well dry -- -- -- -- -- <br /> 08/08/96 Well dry -- -- -- -- --11/04/96 Well dry -- -- -- -- -- -- <br /> 02/03/97 Well dry -- -- -- -- -- -- <br /> 05/08/97 748 Well dry -- -- -- -- <br /> 08/26/97 Well dry -- -- -- -- --11/11/97 Well dry -- -- -- -- -- -- <br /> 03/03/98 15 55 -807 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 03/03/98 <2 0* <br /> 05/20/98 14 85 -737 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 05/20/98 <2 0* <br /> 08/19/98 1671 -923 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 08/19/98 <2 0* <br /> 11/18/98 17 16 -968 000 <0 5 <0 5 <0 5 <0 5 <50 <2 5 <br /> 03/30/99 -- -- -- <br /> 05/05/99 15 58 -8 10 000 <0 5 <0 5 <0 5 <0 5 <50 <2 0 <br /> 08/20/99 1681 -9 33 000 -- -- -- -- -- <br /> 12/06/99 13 70 -622 000 <1 <1 <1 <1 <50 <1 <br /> 02/29/00 1496 -748 000 <1 <1 <1 <1 <50 <1 <br /> 05/16/00 1478 -730 000 <1 <1 <1 <1 <50 <1 <br /> MW7 07/16/87 8 35 18 11 -976 000 78 35 32 678 1,000 -- <br /> 04/11/88 2121 -12 86 000 26 <2 0 10 <40 1,200 <br /> Well dry since 07/12/88 <br /> Not accessible since 12/30/93 <br /> 05/11/95 Well dry -- -- -- -- -- <br /> 08124/95 Well dry -- -- -- -- -- -- <br /> 10/19/95 Well dry -- -- -- -- -- -- <br /> 02/13/96 Well dry -- -- -- -- -- -- <br /> I proj�LNM942M1JS1u`y%h Q500\3942,u clti Page 10 of 37 <br />