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GTEL Client Number T0001 CHV08 <br /> Facility Number 9-5465 <br /> Work Order Number T305145 <br /> ReportIssue Date May 25, 1993 <br /> ANALYTICAL RESULTS <br /> Volatile Organics In Soil <br /> EPA Methods Modified 8020 and Modified 8015a <br /> GTEL Sample Number 1 05145-24 05145-25 05145-26 05145-27 <br /> Client Identification TX-10 SP-28 (A-D) SP-29 (A-D) SP-30 (A-D) <br /> Date Sampled 5-12-93 5-12-93 5-12-93 5-12-93 <br /> Date Extracted 5-12-93 5-12-93 5-12-93 5-12-93 <br /> Date Analyzed 5-12-93 5-12-93 5-12-93 5-13-93 <br /> Reporting <br /> Analyte Limit, mg/kg Concentration, mg/kg <br /> Benzene 0 005 <0 005 0 008 <0 005 0 006 <br /> Toluene 0 005 <0 005 0 022 0 022 1 8 <br /> Ethylbenzene 0 005 <0 005 0 020 0 034 1 1 <br /> Xylene, total 0 015 <0015 017 028 68 <br /> TPH as Gasoline 10 <1 0 31 31 52 <br /> Dilution Multrplierb 1 1 1 1 <br /> TFT surro atec, % recovery 983 923 868 833 <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 />• <br /> GTEL Torrance, CA page 8 <br /> T305145 DOC GTEL <br /> ENV 1 ROM MENTAL <br /> (l- LABORATORI ES iNC <br />