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Client Number: GTI71CHVGS <br /> Project ID: Chevron,Stockton <br /> Work Order Number: C3 02.0022 <br /> Table 1 <br /> ANALYTICAL RESULTS <br /> i <br /> Aromatic Volatile Organics and <br /> Total Petroleum Hydrocarbons as Gasoline in Water <br /> EPA Methods 5030, 8020, and Modified 8015a <br /> GTEL Sample Number 05 06 07 022293 <br /> GCQ <br /> Client Identification MW-3 MW-2 MW-1 METHOD <br /> BLANK <br /> Date Sampled 02/16/93 02/16/93 02/16/93 -- <br /> Date Analyzed 02/22/93 02/23/93 1 02/23/93 02/23/93 <br /> Detection <br /> Analyte Limit, ug/L Concentration, ug/L <br /> Benzene 0.5 <0.5 370 570 <0.5 <br /> Toluene 0.5 <0.5 12 91 <0.5 <br /> Ethylbenzene 0.5 <0.5 13 24 <0.5 <br /> Xylene, total 0.5 2 23 110 <0.5 <br /> BTEX,total -- 2 420 800 -- <br /> TPH as Gasoline 50 54 6800 6400 <50 <br /> Detection Limit Multiplier 1 1 1 1 1 <br /> BFB surrogate, % recovery 97.3 114 114 101 <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 Control Board LUFT Manual protocols,May 1988 revision. <br /> raC30GTEL Concord,CA <br /> 20022.BTE <br /> GTEL <br /> ENVIRONMENIAL <br /> LABORATORIES. INC. <br />