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.�. smmv... �. � � W � s 1 w � 7C <br /> TABLE 1 GROUNDWATER MONITORING DATA, FORMER EXXON RS 7-3942,4444 N PERSHING AVENUE, STOCKTON CALIFORNIA <br /> Casing Depth Groundwater LPH Concentration(µglL) <br /> Well Elevation to Water Elevation Thickness Ethyl- <br /> No Date (ft ms I) (ft) (ft rnsl) (ft) Benzene Toluene benzene Xylenes TPH-g MTBE <br /> V1 08/08/96 857 Well dry -- - - - -- - <br /> 11/04/96 Well dry -- - -- - - - <br /> 02/03/97 Well dry -- -- - -- -- - <br /> 05/08/97 760 Well dry -- - -- -- -- - <br /> 08/26/97 Well dry - - -- <br /> 11/11/97 Well dry -- - -- -- - <br /> 03/03/98 Well dry -- - -- - -- - <br /> 05/20/98 Well dry -- -- -- -- -- - <br /> 08/19/98 Well dry - - - - -- - <br /> 11/18/98 Well dry - -- -- - -- - <br /> 03/30/99 -- -- -- -- -- - - - <br /> 05/05/99 Well dry -- -- -- - -- - <br /> 08/20/99 Well dry -- - -- - -- - <br /> 12/06/99 -- -- -- -- - -- <br /> 02/29/00 -- -- -- -- -- - - - - <br /> 05/16/00 -- -- -- -- -- -- -- <br /> V2 05/02/91 930 3262 -2332 000 -- -- - - - <br /> 07/16-17/91 33 57 -2427 000 -- -- -- -- -- <br /> 10/15/91 3408 -2478 000 27,000 43,000 4,300 22,000 190,000 - <br /> 01/28/92 3238 -2308 000 27,000 42,000 5,100 25,000 150,000 <br /> 04/30/92 3203 -2273 000 27,000 37,000 31700 17,000 140,000 - <br /> 08/13/92 3399 -2469 000 28,000 49,000 5,600 28,000 220,000 -- <br /> 10/08/92 3457 -2526 002 Not sampled- LPH <br /> 02/23/93 3137 -2207 000 -- -- -- -- -- <br /> 05/18/93 -- -- -- <br /> 08/22/93 30 16 -2086 000 27,000 46,000 3,500 17,000 180,000 <br /> 12/30/93 2976 -2046 000 27,000 35,000 4,200 22,000 170,000 - <br /> 02/17/94 2933 -2003 000 -- -- -- -- -- <br /> 05110194 28 95 -1965 000 24,000 49,000 4,900 24,000 220,000 - <br /> flpro3ects1739421masterlwplQ50013942gw xls Page 31 of 37 <br />