SITE INFORMATION AND CORRESPONDENCE FILE 2

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TABLE 2 GROUNDWATER MONITORJNG DATA,FORMER EXXON RS 7-3708,2705 COUNTRY CLUB BOULEVARD,STOCKTON.CA Reference Depth to Gfoundwater Other Ethyl- Total TPH as Oxygenates and Dissolved °nig Elevation Groundwater Elevation Benzene Toluene benzene Xylenes gasoline MTBE Additives Lead Well Date (feet) (feet) (fat) (µPQ (µ8/L) (µ8/L) (µPSL) (µYS-) ' MWI 05/30/97 1.92 9.81 -7.89 <0.5 <0.5 <0.5 <0.5 <50 170 NA NA MWI 08/20/97 1.92 . 11.60 -9.68 <0.5 <0.5 <. 0 5 <0.5 <50 150/220n NA NA MWI 11/24/97 1.92 11.57 -9.65 <0.5 <0.5 <0.5 <0.5 <50 360' NA NA MWI 03/30/98 1.92 7.21 -5.29 <0.5 <0.5 <0.5 <0.5 <50 190' MWI 06/30/98 NA NA 1.92 8.74 -6.82 <0.5 <0.5 <0.5 <0.5 <50 4.0' NA NA MWI 10/05/98 1.92 10.15 -8.23 <0.5 <0.5 <0.5 <0.5 <50 11 NA NA MWI 12/16/98 1.92 9.46 -7.54 <0.5 <0.5 <0.5 <0.5 <50 22 NA NA MWI 03/05/99 1.92 7.95 -6.03 <0.5 <0.5 <0.5 <0.5 <50 7:2 NA NA MWI 05/14/99 1.92 8.48 -6.56 <0.5 <0.5 <0.5. <0.5 <50 34.8 NA NA MWI 06/04/99 1.92 8.93 -7.01 NS NS NS NS NS NS NS NS MWI 08/31/99 1.92 1029 -8.37 <0.5 <0.5 <0.5 <0.5 <50 84.8 NA NA MWI 11/23/99 1.94 10.61 -8.67 <5.0 <5.0 <5.0 <5.0 <250 69 NA NA MWI 02/10/00 1.94 8.69 -6.75 <5.0 <5.0 <5.0 <5.0 120 120 ND NA MWI 05/17/00 1.94 824 -6.30 <1 <1 <1 MWI 08/07/00 1.94 9.60 -7.66 <0.5 <0.5 <0.5 <0.5 <50/<50k 150 NA NA MWI 11/06/00 1.94 9.50 -7.56 <0.5 <0.5 <0.5 a0.5 <50 33/48' NA NA MWI 0226/01 1.94 7.71 -5.77 <0.5 <0.5 <0.5 <0.5 <50 1,100/1,200' NA NA MWI 05/10/01 1.94 8.27 -6.33 <0.5 <0.5 <0.5 <0.5 <50 320' NA NA MWI 08/16/01 1.94 10.38 -8.44 <0.5 <0.5 <0.5 <0.5 <50 630' NA NA MWI 1120/01 1.94 10.30 -8.36 <0.5 <0.5 <0.5 <0.5 95 2,600' NA NA MWI 03/12/02 1.94 8.N -6.25 <5.0 <5.0 <5.0 <5.0 1,450 1,900' 39 4°`/13.9" <3.0 MWI 05/02/02 1.94 8.45 -6.51 <0.5 <0.5 <0.5 <0.5 570 854.0' 16.1m NA MWI 0923/02 1.94 9.60 -7.66 0.5 <0.5 <0.5 <0.5 <50 24.6' 221" NA MWI 12/06/02 1.94 9.61 -7.67 1.0 <0.5 <0.5 <0.5 <50 10.7' 33.80 NA MWI 03/17/03 1.94 8:90 -6.96 <0.5 <0.5 <0.5 . 0.5 <50 720' 24.8" NA Pop 2 of 19