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March 28, 1995 • <br /> Sample Log 11595 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> From : 1444 Mariposa Road (Pro3. # 2938 .02) <br /> Sample(s) Received : 03/24/95 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery Recovery RPD <br /> Benzene 110 107 3 <br /> Ethylbenzene 101 101 0 <br /> TPH as Gasoline 105 109 4 <br /> * RPD = Relative Percent Difference <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 /> I <br /> I <br /> i <br /> i <br /> J RSPP • <br /> en r chemist <br />