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September 19, 2994 <br /> Sample Log 10292 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> From : Western Lift <br /> Sample(s) Received : 09/15/94 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter % Recovery Recovery RPD <br /> ' <br /> Benzene 87 88 1 <br /> Ethylbenzene 102 108 6 <br /> ' TPH as Gasoline 90 89 1 <br /> * RPD = Relative Percent Difference <br /> 1 � <br /> Parameter Method Blank <br /> 1 <br /> Benzene <0 . 30 ug/L <br /> Toluene <0 . 30 ua/L <br /> Ethylbenzene <0 . 30 ug/L <br /> Total Xylenes <0 . 50 uq/L <br /> TPH as Gasoline <50 ug/L <br /> 1 <br /> mite S4r"*&h <br /> a�rlot tL..f.c <br />