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Client Number: 020705236 <br /> Project ID: Southland <br /> Grant Line Rd. <br /> Tracy <br /> Work Order Number: C404-0022 <br /> 41 <br /> ANALYTICAL RESULTS <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 Q040494 <br /> Client Identification MW-9 MW-10 GEW-1 METHOD <br /> BLANK <br /> Date Sampled 03/31/94 03/31/94 03/31/94 -- <br /> Date Analyzed 04/05/94 04/05/94 1 04/04/94 04/04/94 <br /> Detection <br /> Analyte L1mR, ug/L Concentration, ug/L <br /> Benzene 0.3 3100 13000 1.8 <0.3 <br /> Toluene 0.3 170 990 <0.3 <0.3 <br /> Ethylbenzene 0.3 920 2600 1.0 <0.3 <br /> Xylene, total 0.5 1000 8100 1.6 <0.5 <br /> TPH as Gasoline 10 15000 44000 22 <10 <br /> Detection Limit Multiplier 25 200 1 1 <br /> BFB surrogate, % recovery 96.3 93.7 85.4 97.2 <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. &omofluoroben- <br /> zene surrogate recovery axeptability limits are 70-130%. <br /> GTEL Concord,CA Page 3 <br /> C.4040022.D0C <br /> GTEL <br /> R <br /> LAaORAIORIES, IHC. <br />