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Client Number TOU01CHV0a <br /> Project IO Chevron,Stockton <br /> Work Order Number C3.OM298 <br /> ANALYTICAL RESULTS <br /> Volatile Organics in Soil <br /> EPA Methods 8020 and Modified 8015a <br /> GTBL Sample Number 21 032293F <br /> Client Identification WS-2A-213 METHOD ` <br /> BLANK <br /> Date Sampled 1 03/16/93 -- <br /> Date Extracted NA NA <br /> Date Analyzed 03/24/93 03/22/93 <br /> Detection <br /> Analyte Limit, mg/kg Concentration, mg/kg <br /> Benzene 0 005 <0 005 <0 005 <br /> Toluene 0 005 <0 005 <0 005 <br /> Ethylbenzene 0 005 <0 005 <0005 <br /> Xylene,total 0 015 <0 015 <0015 <br /> . BTEX,total -- -- <br /> Gasoline 1 <1 <1 <br /> Detection Limit Multiplier 1 1 <br /> Percent solids 863 NA <br /> BFB surrogate, % recove 103 106 <br /> a Test Methods for Evaluating Solid Waste,SW-846,Third Edition, Revision 0, US EPA November 1986 Modification for TPH as <br /> gasoline as per California State Water Resources Board LUFT 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 /> C3 Concord,CA MGTEL <br /> 03030298 BXG <br /> E N V I R O N M E N T A L <br /> LABORATORIES INC. <br />