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. Cilent Number T0001CHV08 <br /> Project iD Chevron, Stockton <br /> Work Order Number C-3-03-OM <br /> ANALYTICAL RESULTS <br /> Volatile Organics In Soil <br /> EPA Methods 8020 and Modified 8015a <br /> GTEL Sample Number 01 02 03 04 <br /> Client Identscation P-1 P-2 P-3 P-4 <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 03/22/93 1:0:3j24/93 1 03/23/93 J 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 0 048 <0015 <0 015 <0 015 <br /> BTEX, total -- 0 048 — — -- <br /> Gasoline 1 <1 <1 <1 <1 <br /> Detection Limit Multiplier 1 1 1 1 <br /> Percent solids 825 854 849 840 <br /> BFB surrogate, % recovery 109 959 103 929 <br /> a Test Methods for Evaluabng Solid Waste,SW4146,Third Edition,Revision 0,0S EPA November 1986 Modification for TPH as <br /> gasoline as per California State Water Resources Board LOFT 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 /> Ex ectad surrogate value is 0 100 mg/kg <br /> NA = Not Applicable <br /> GTEL Concord,CA e <br /> 03030298 BXG <br /> GTEL <br /> R <br /> LASORATORIES INC. <br />