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€ October 6 , 1994 <br /> Sample Log 10377 <br /> r QC Report for EPA 602 & Modified EPA 8015 <br /> From : Arco Mini-Mart <br /> Sample(s) Received : 09/27/94 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter % Recovery % Recovery RPD <br /> Benzene 99 101 2 <br />! Ethylbenzene 99 101 2 <br /> TPH as Gasoline 101 105 4 <br /> * RPD = Relative Percent, Difference <br /> Parameter Method Blank <br /> Benzene <0 . 30 ug/L <br /> Toluene <0 . 30 ug/L <br /> I Ethylbenzene <0. 30 ug/L <br /> Total Xylenes <0.50 ug/L <br /> TPH as Gasoline <50 ug/L <br /> } <br /> f:/2S <br /> } <br /> I <br /> f <br /> r � <br /> Senio Chemist <br /> Sen7,o1C Chemist <br />