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December 13 , 1994 <br /> Sample Log 10861 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> From : Pete's Place <br /> Sample(s) Received : 12/01/94 <br /> L Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery o Recovery RPD <br /> L <br /> Benzene 103 100 3 <br /> Ethylbenzene 101 98 3 <br /> TPH as Gasoline 102 106 4 <br /> * RPD = Relative Percent Difference <br /> LParameter Method Blank <br /> Benzene <0. 30 ug/L <br /> Toluene <0. 30 ug/L <br /> Ethylbenzene <0. 30 ug/L <br /> Total Xylenes <0.50 ug/L <br /> TPH as Gasoline <50 ug/L <br /> Mitre Sarkhosh <br /> Senior Chemist <br />