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a <br /> 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 12112-16 12112-17 12113-18 12113-19 <br /> Client Identification SP5-2A-B SP5-3A-B SP5-4A-B SP5-5A-B <br /> Date Sampled 12-8-92 12-8-92 12-8-92 12-8-92 <br /> Date Extracted 12-8-92 12-8-92 12-8-92 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 <0 015 <br /> TPH as Gasoline 10 <10 <10 <10 <10 <br /> Dilution Multiplierb 1 1 1 1 <br /> TFT surrogatec, % recovery 961 971 100 966 <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 /> GTEL Torrance, CA Page 6 RGTEL <br /> T212112 DOC = <br /> ENVIRONMENTAL <br /> LABORATORIES INC <br />