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HMMV� M� W �4r I <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]) (ft) Benzene Toluene benzene Xylenes TPH-g MTBE <br /> SW2 08/19/98 -- -- -- -- -- -- -- - <br /> 11/18/98 -- -- -- -- -- -- _ <br /> 03/30/99 -- -- -- - <br /> 05/05/94 -- -- -- -- -- -- - <br /> 08/20/94 -- -- -- -- -- - -- -- - <br /> 12/06/99 -- -- -- -- - - -- - <br /> 02/29/00 -- -- -- -- - -- <br /> 05/16/00 -- -- -- -- -- -- -- -- -- <br /> V1 05/02/91 857 3174 -23 17 000 20,000 49,000 4,700 25,000 130,000 <br /> 07/16-17191 3270 -24 13 000 14,000 44,000 3,000 15,000 170,000 - <br /> 10/15/91 3325 -24 68 000 18,000 51,000 4,200 23,000 200,000 - <br /> 01/28/92 31 51 -22 94 Sheen 20,000 58,000 2,400 23,000 150,000 - <br /> 04/30/92 31 12 -2255 000 15,000 43,000 3,000 18,000 130,000 - <br /> 08/13/92 33 17 -2460 000 12,000 44,000 3,600 20,000 180,000 - <br /> 10/08/92 3376 -25 18 0 01 Not sampled- LPH <br /> 02/23/93 3047 -21 90 000 9,800 19,000 3,700 18,000 100,000 - <br /> 05/18/93 -- -- -- -- -- -- -- -- <br /> 08/22/93 2970 -21 13 000 - - -- - - <br /> 12/30/93 29 05 -2048 000 -- -- -- - -- -- <br /> 02/17/94 2873 -2016 000 -- -- -- -- -- <br /> 05/10/94 2833 -1976 000 8,200 37,000 3,600 17,000 110,000 - <br /> 08/02/94 -- -- -- -- -- -- -- -- - <br /> 11/01/94 3005 -2148 000 -- -- -- -- -- - <br /> 02/17/95 2763 -1906 000 -- -- -- -- - <br /> 05/11/95 24 87 -1630 000 -- -- -- -- -- - <br /> 08/24/95 -- -- -- -- -- - <br /> 10/19/95 Well dry -- -- -- -- -- - <br /> 02/13/96 Well dry -- -- -- -- -- -- <br /> 0411$196 Well dry -- -- -- -- -- - <br /> f Iprojects%739421masterlwp1Q50013942gw xls Pale 30 of 37 <br />