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July 51 1995 <br /> Sample Log 12379 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> IFrom : Thornton (Prof . # 2556. 02) <br /> Sample(s) Received : 06/28/95 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter $ Recovery $ Recovery RPD <br /> I <br /> Benzene 105 101 4 <br />' Ethylbenzene 107 105 2 <br /> TPH as Gasoline 97 103 6 <br /> * RPD - Relative Percent Difference <br /> IParameter Method Blank <br /> Benzene <0. 30 ug/L <br /> Toluene c0. 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 /> I <br /> 7e i Flt! <br /> eLYawait <br />