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Acculabs Inc. November 12 , 1999 <br /> Sample Log 20760 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> Run Log : 2185E <br /> From : Earth Grains (Pro) . # 8056-14) <br /> Sample(s) Received : 11/09/99 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery Recovery RPD <br /> Benzene 99 103 4 <br /> Ethylbenzene 101 103 2 <br /> TPH as Gasoline 113 108 5 <br /> * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> Recovery <br /> Benzene 100 <br /> Ethylbenzene 103 <br /> Gasoline 101 <br /> Parameter Method Blank <br /> ' Benzene <0.50 ug/L <br /> Toluene <0. 50 ug/L <br /> Ethylbenzene <0.50 ug/L <br /> Total Xylenes <0. 50 ug/L <br /> TPH as Gasoline <50 ug/L <br /> Rbm Kvokn <br /> Leh Direct r <br />