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5 + <br /> GTEL Client Number MIT05 MIT05 N <br /> - Project I D Unocal #6348 <br /> } ' Tracy <br /> ` Work'Order Number T301027 <br /> ' Y <br /> r <br /> ` F <br /> ANALYTICAL RESULTS <br /> Volatile Organics in Stili <br /> EPA Methods Modified 8020 and ModlTled 8015a <br /> GTE--Sa—ofe-Number, _l-ab $lank— --r 41027-3 -01027-4- ,..01027-7 <br /> Client Identification -- SW 2@3'-4' SW 2@8'-9 SW 4@3'-4' _ <br /> Date Sampled -- 1-4-93 1-4-93 1-4-93 <br /> Date Extracted - -- -1-5-93 - 1-5-93 _ 1-5.93 <br /> Date Analyzed 1-5-93 1-5-93 1-5-93 1-5-93 <br /> Reporting <br /> Analyte Limit, mg/kg Concentration, mg/kg <br /> Benzene 0 005 <0 005 0046 11 031 <br /> Toluene 10 005 -<0 005 0 010 31 0 026 <br /> Ethylbenzene , 0 005 <0 005 <0 005 60 084 <br /> Xylene total 0 015 <0 015 010 140 0 061 <br /> TPH as Gasoline 5 <5 <5 880 7 <br /> Dilution Multipllerb 1 1 40 1 <br /> TFT surro atec, % recovea 97 1 ==L=116 105 120 <br /> a Test Methods for Evaluating Solid Waste,SW-846 Third Edition Revision 0, US EPA Ncvember 1986 Modification for TPH as gasoline <br /> as per California State Water Resources Board LUIFT Manual procedures Results are calculated on a wet weight basis <br /> b J Indicates the adjustments made for sample dilution ��� - T <br /> —c-=Tri surrogate recovery_accaptabllity lamits of 72U23%are derived from the 99%confidence interval of all samples dunng the previousy p - <br /> quarter Expected surrogate value is t 07 mg/kg <br /> GTEL Torrance, CA Page 2 MGTEL <br /> T301027 DOC <br /> ENV i R O N M f N T A L <br /> LABORATORIES INC <br />