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��•� � o � pa O p <br /> April 23 , 1996 <br /> Sample Log 14479 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> Run Log : 2142L <br /> From : Granite Contruction (Prof . # 2088 . 05) <br /> Sample(s) Received : 04/11/96 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery % Recovery RPD <br /> Benzene 112 113 1 <br /> Ethylbenzene 111 112 1 <br /> TPH as Gasoline — 96 89 8 <br /> * RPD = Relative Percent Difference <br /> Parameter Method Blank <br /> Benzene <0. 005 mg/kg <br /> Toluene <0. 005 mg/kg <br /> Ethylbenzene <0 . 005 mg/kg <br /> Total Xylenes <0 . 005 mg/kg <br /> TPH as Gasoline <0 .50 mg/kg <br /> Jop KSff <br /> Sefn r CAenIs, <br />