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• , r <br /> TABLE 1 <br /> GROUNDWATER ELEVATION AND ANALYTICAL SUMMARY <br /> Joe's Truck Plaza <br /> 15600 Harlan Road, Lathrop, California <br /> Depth to Well Groundwater Ethyl- Total <br /> Well Date Water Elevation Elevation TPHD TPHG Benzene Toluene benzene Xylenes MTBE <br /> Number Collected (feet) (ft msl) (ft msl) ( /L) ( ) ( ) ( ) ( ) (Ila) ( ) <br /> Note <br /> ms1=Mean sea level <br /> BE=Methyl tert-butyl ether µgfl,= micrograms per liter <br /> TPHD=Total petroleum hydrocarbons as diesel NA=Not Analyzed <br /> HG=Total petroleum hydrocarbons as gasoline ND=Not Detected at Method Detection Limits <br /> HD and TPHG analyzed using EPA Method 80158,and the remaining analytes using EPA Method 9260B NM=Not measured <br /> NS=Not sampled <br /> [1]=TPHD and TPHG analyzed using EPA Method 8260B <br /> [2]=Reporting limits were increased due to sample matrix interferences <br /> [3]=Reported concentration includes additional compounds uncharacteristic of common fuels and lubricants <br /> [4]Reported diesel concentration may include some undifferentiated heavier-end hydrocarbons <br /> .=Reporting limits were increased due to high concentrations of target analytes <br /> Wells surveyed on May 26,2004 by Morrow Surveying <br /> Data prior to September 15,2003 provided by Avalon Environmental Consultants <br /> Joe's Truck Plaza Quarterly_Data Page 9 of 9 cJ' 7-KA7 1 <br />