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020502819 <br />. Client Number Stocks <br /> Project 1D Stockton <br /> Work Order Number C3-02-152 <br /> Table 1 (Continued) <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 09 10 11 12** <br /> Client Identification MW 2 MW 5 MW 6 MW 1 <br /> Date Sampled 02/03/93 02/03/93 02/03/93 02/03/93 <br /> Date Analyzed 02/11/93 1 02/11/93 1 02/11/93 02/11/93 <br /> Detection <br /> Analyte Limit, ug/L Concentration, ug/L <br /> Benzene 03 4100 230 4300 27000* <br /> Toluene 03 15000 400 7600 33000* <br /> Ethylbenzene 03 2000 100 1500 2100 <br /> Xylene, total 0 5 7100 280 5000 11000 <br /> BTEX,total -- 28000 1000 15000 73000 <br /> TPH as Gasoline 10 53000 9700 50000 110000 <br /> Detection Limit Multiplier 1 1 1 50 <br /> a Test Methods for Evaluats Solid Waste,SW-W,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 /> " Sample dilution due to high concentration of target compounds <br /> • Approximate concentrations for Benzene and Toluene Levels were out of instrument calibration range <br /> GTELConcord,CA Page 4 of 4 <br /> =2 GTE L <br /> 0302152 DOC ' <br /> E N V I R O N M E N T A L <br /> LABORATORIES INC <br />