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December 20, 1994 <br /> Sample Log 10921 <br /> ' <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> P <br /> ' From : Western Lift <br /> Sample(s) Received : 12/09/94 <br /> Matrix Spike <br /> ' Matrix Spike Duplicate <br /> Parameter Recovery % Recovery RPD <br /> Benzene 106 106 0 <br /> Ethylbenzene 105 107 2 <br /> ' TPH as Gasoline 107 106 1 <br /> * RPD = Relative Percent Difference <br /> Parameter Method Blank <br /> 1 <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 /> ![iirn sarlchosh <br /> Senior chemist <br />