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i <br /> TABLE 2 GROUNDWATER MONITORING DATA,FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration L <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> Number Date feet feet feet feet Benzene Toluene benzene Xylenes TPH-g MTBE <br /> VI 04/30/92 857 31 l2 -2255 000 15,000 43,000 3,000 18,000 130,000 -- <br /> V1 08/13/92 857 33 17 -2460 000 12,000 44,000 3,600 20,000 180,000 -- <br /> V1 10/08/92 857 3376 -25 18 001 Not sampled-LPH <br /> V1 02/23/93 857 3047 -2190 000 9,800 19,000 3,700 18,000 100,000 <br /> V1 05/18/93 857 -- -- <br /> VI <br /> _VI 08/22/93 857 2970 -21 13 000 <br /> VI 12/30/93 857 2905 -2048 000 <br /> V1 02/17/94 857 2873 -20 16 000 -- -- __ <br /> VI 05/10/94 8 57 2833 -1976 000 8,200 37,000 3,600 17,000 110,000 -- <br /> V1 08/02/94 857 -- __ <br /> V1 11/01/94 857 3005 -2148 000 <br /> VI 02/17/95 857 2763 -1906 000 <br /> VI 05/11/95 857 24 87 -1630 000 <br /> VI 08/24/95 857 -- __ <br /> VI 10/19/95 857 Well dry <br /> V1 02/13/96 8 57 Well dry <br /> V1 04/18/96 857 Well dry <br /> V1 08/08/96 857 Well dry <br /> V1 11/04/96 857 Well dry <br /> VI 02/03/97 8 57 Well dry <br /> V1 05/08/97 7 60 Well dry <br /> VI 08/26/97 760 Well dry <br /> VI 11/11/97 760 Well dry <br /> V1. 03/03/98 760 Well dry <br /> VI 05/20/98 760 Well dry <br /> V1 08/19/98 760 Well dry <br /> VI 11/18/98 760 Well dry <br /> V1 03/30/99 760 <br /> VI 05/05/99 760 Well dry <br /> VI 08/20/99 760 Well dry <br /> VI 12/06/99 760 <br /> V1 02/29/00 760 <br /> g 1proaectsV3942V=tcAwplq]2040942gw As <br /> Page 48 of 59 <br />