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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 Sall <br /> EPA Methods Modified 8020 and Modified 8015a <br /> GTEL Sample Number Lab Blank 12112-1 12112-2 12112-3 <br /> Client Identification -- SP3-1A-B SP3-2A-B SP3-3A-B <br /> Date Sampled -- 12-8-92 12-8-92 12-8-92 <br /> Date Extracted -- 12-8-92 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 Limn, mg/kg Concentration, mg/kg <br /> Benzene 0 005 <0 005 <0 005 <0 005 <0 005 <br /> Toluene 0 005 0 006 <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 Multlplierb 1 1 1 1 <br /> TFT surro atec, % recovery 879 98 9 101 943 <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 2 [] GTEL <br /> T212112 DOC <br /> E N V I R ON MEN T A L <br /> LABORATORIES INC <br />