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TABLE 1 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 msl) (feet) Benzene Toluene benzene Xylenes TPH-g MTBE <br /> -- Not measured, not sampled,or not analyzed <br /> pg/L Micrograms per liter <br /> ft msl Feet relative to mean sea level <br /> Note Groundwater elevations adjusted for LPH,when present,using an average specific gravity of 0 75 for gasoline <br /> Data horn 1/87 from HLA <br /> Water sample taken from SW2 on 17 February 1994 was labeled as AS2 on chain of custody and laboratory results <br /> i <br /> fVprojects1739421m4sterlwplg9ooU9426w als <br /> Pa6e 37 d37 <br />