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� � I• I• � i i i i i i i i i i i i i i <br /> TABLE I GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON, CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration(µg/L) <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> No Date (feet ms]) (feet) (feet mst) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE <br /> SWI 12/06/99 -- -- -- -- -- -- -- -- <br /> 02/29/00 -- -- -- -- -- -- -- <br /> 05/16/00 <br /> 09/11/00 -- -- __ -- -- -- -- -- <br /> SW2 02/17/94 -- 2870 -- 000 660 2,000 770 3,600 29,000 <br /> Not accessible since 02/17/94 <br /> 02/17/95 2757 Air sparging well--samples not collected <br /> 05/11/95 24 84 Air sparging well--samples not collected <br /> 08/24/95 -- Air sparging well--samples not collected <br /> 10/19/95 -- Air sparging well--samples not collected <br /> 02/13/96 -- Air sparging well--samples not collected <br /> 04/18/96 -- Air sparging well--samples not collected <br /> 08/08/96 -- Air sparging well-- samples not collected <br /> 11/04/96 23 72 -- 000 110 <1 2 <1 2 2 0 320 <6 2 <br /> 02/03/97 -- -- __ -- -- -- -- -- -- <br /> 05/08/97 -- -- -- -- -- -- -- - <br /> 08/26/97 -- -- __ -- -- -- -- -- <br /> 11/11/97 <br /> 03/03/98 -- -- -- -- -- -- -- <br /> 05/20/98 -- -- -_ -- _- -- -- -- <br /> 08/19/98 <br /> 11/18/98 <br /> 03/30/99 <br /> 05/05/99 -- -- -- -- -- -- -- -- -- <br /> 08/20/99 <br /> 12/06/99 <br /> 02/29/00 <br /> 05/16/00 <br /> 09/11/00 -- -- _ __ -- -- -- _- -- <br /> I Mpra3ecls1739421masteT5wp\g90009426w As Pa6e 29 or 37 <br />