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• Client Number TOU01CHV08 <br /> Project ID Chevron, Stockton <br /> Work Order Number C.3-03-0298 <br /> ANALYTICAL RESULTS <br /> Volatile Organics In Soil <br /> EPA Methods 8020 and Modified 8015a <br /> GTEI_Sample Number 05 06 07 08 <br /> Client Identifikation P-5 P-6 P-7 P-8 <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 03/23/93 03/23/93 03/23/93 03/23/93 <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 <0015 <0 015 <0 015 <0015 <br /> BTEX, total -- -- — _ <br /> Gasoline 1 <1 <1 <1 <1 <br /> Detection Limit Multiplier 1 1 1 1 <br /> Percent solids 830 842 832 848 <br /> BFB surrogate, % recovery 1 952 103 102 104 <br /> a Test Methods for Evaluating Solid Waste,SW-846,Third Edition,Revision 0,US EPA November ISW Modification for TPH as <br /> gasoline as per California State Water Resources Board!_UFT Manual procedures Bromofluorobenzene 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 0 100 mg/kg <br /> NA = Not Applicable <br /> • <br /> GTEL Concord,CA S 03028$XG <br /> GTEL <br /> ENVI R MENTAL <br /> LABORATORIES INC <br />