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February 23 , 1995 <br /> Sample Log 11320 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> From : 781 Swift Way (Pro] . # 1735.03) <br /> Sample(s) Received : 02/13/95 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery Recovery RPD <br /> Benzene 105 98 7 <br /> Ethylbenzene 101 94 7 <br /> TPH as Gasoline 95 92 3 <br /> * RPD -= Relative Percent Difference <br /> Parameter Method Blank <br />. Benzene <0.005 mg/kg <br /> Toluene <0.005 mg/kg <br /> Ethylbenzene <0.005 mg/kg <br /> Total Xylenes <0.005 mg/kg <br /> TPH as Gasoline <0. 50 mg/kg <br /> H tre Seur)ehosh <br /> Senior Chemist <br />