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GTEL Client Number 020502819 <br /> Project I D Manna Pro <br /> Work Order Number T212112& 113 <br /> ANALYTICAL RESULTS <br /> Volatile Organics in Soil <br /> EPA Methods Modified 8020 and Modified 8015a <br /> GTEL Sample Number 12113-20 12113-21 12113-22 12113-23 <br /> Client Identification SP6-1 A-B SPI-1A-13 SP1-2A-B SP1-3A-I3 <br /> Date Sampled 12-8-92 12-8-92 12-8-92 12-8-92 <br /> Date Extracted 12-8-92 12-8-92 1 12-8-92 1 12-8-92 <br /> Date Analyzed 12-8-92 12-8-92 12-8-92 12-8-92 <br /> Reporting <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 <0 015 <0 015 <0 015 <0015 <br /> TPH as Gasoline 10 <10 <10 <10 <10 <br /> Dilution Multiplierb 1 1 1 1 <br /> . TFT surrogates, % recovery 88 5 91 7 960 975 <br /> a Test Methods for Evaluating Solid Waste,SW-846,Third Edition,Revision 0,US EPA November 1986 Modification for TPH as gasoline <br /> as per California State Water Resources Board LUFT Manual procedures Results are calculated on a wet weight basis <br /> b Indicates the adjustments made for sample dilution <br /> C TFT surrogate recovery acceptability limits of 72 8-123%are derived from the 99%confidence interval of all samples during the previous <br /> quarter Expected surrogate value is 1 07 mg/kg <br /> i <br /> GTEL Torrance, CA Page 7 [] GTEL <br /> T212112 DOC <br /> E N V I R O N M E N T A L <br /> LABORATORIES INC <br />