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Client Number: 020703983 <br /> Facility Number., 9-0557 <br /> Project ID: 139 S.Center <br /> Stockton,CA <br /> Work Order Number: 03-05-0290 <br /> Table 1 <br /> ANALYTICAL RESULTS <br /> Aromatic Volatile Organics and <br /> Total Petroleum Hydrocarbons as Gasoline in Water <br /> EPA Methods 5030, 8020, and Modified 809 5a <br /> GTEL Sample Number 01 03 05 07 <br /> Client Identification TBLB MW-5 MW-4 MW-3 <br /> Date Sampled 05/17/93 05/17/93 05/17/93 05/17/93 <br /> Date Analyzed 05/27/93 1 05/28/93 1 05/28/93 05/28/93 <br /> Detection <br /> Analyte Limit, ug/L Concentration, ug/L <br /> Benzene 0.5 <0.5 12 8 0.8 <br /> Toluene 0.5 <0.5 33 24 2 <br /> Ethylbenzene 0.5 <0.5 18 13 1 <br /> Xylene, total 0.5 <0.5 110 81 10 <br /> BTEX, total -- -- 170 130 14 <br /> TPH as Gasoline 50 <50 600 430 84 <br /> Detection Limit Multiplier 1 1 1 1 <br /> BFB surrogate, % recovery 85.1 81.5 79.1 81.6 <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, Bromofiuoroben- <br /> zene surrogate recovery acceptability limits are 70-130%. <br /> CTEI-Concord,CA <br /> GTEL <br /> R <br /> LA/ORATORIIf. INC <br />