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' September 15, 1994 <br /> Sample Log 10261 <br /> QC Report for EPA 602 & Modified EPA 8015 <br />' From : Stewart's Beacon <br /> Sample(s) Received : 09/09/94 <br />' Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter o Recovery % Recovery RPD <br /> 1 <br /> Benzene 96 92 5 <br />' Ethylbenzene 102 94 8 <br /> TPH as Gasoline 104 108 4 <br /> * RPD = Relative Percent Difference <br /> 1 <br />' Parameter 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 /> 1 <br /> 1 <br /> Mit a Sarkhosh <br /> Senior Chemist <br />