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Client Number TOU01CHV08 <br /> Project ID Chevron,Stockton <br /> Work Order Number C3-03-0330 <br /> ANALYTICAL RESULTS <br /> Volatile Organics in Soil <br /> EPA Methods 8020 and Modified 8015a <br /> GTEL Sample Number 13 14 15 16 <br /> Client Identr ication SE SW WON WOS <br /> Date Sampled 03/16/93 03/16/93 03/16/93 03/16/93 <br /> Date Extracted NA NA NA NA <br /> Date Analyzed 03/19/93 03/19/93 03/20/93 03/20/93 <br /> Detection <br /> Analyte Limit, mg/kg Concentration, mg/kg <br /> Benzene 0 005 <0 005 <0 005 <0 005 <0 005 <br /> Toluene 0 005 <0 005 <0 005 <0 005 <0 005 <br /> Ethylbenzene 0 005 <0 005 <0 005 <0 005 <0 005 <br /> Xylene, total 0 015 <0 015 <0015 <0 015 <0015 <br /> BTEX,total — -- — -- -- <br /> Gasoline 1 <1 <1 <1 <1 <br /> Detection Limit Multiplier 1 1 1 1 <br /> Percent solids 82 2 825 82 6 832 <br /> i <br /> BFB surrogate, % recovery 85 0 800 622 865 <br /> a Test Methods for Evaluating Solid Waste,SW4846,Third Edition,Revision 0,US EPA November 1986 Modification for TPH as <br /> gasoline as per California State Water Resources Board LUFT Manual procedures Bromofluorobenzens surrogate recovery <br /> acceptability limits of 31-127%are derived from the 99%confidence Interval of all samples during the previous quarter <br /> Expected surrogate value is 0100 mg/kg <br /> GTEL Conoord,CA NGTEL <br /> C3030330 BXG <br /> EkYIRONMlNTAL � <br /> LABORATORIES INC <br />