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1 Git <br /> ACCULASS, INC <br /> October 2 , 2000 <br /> Sample Log 21807 <br /> ' QC Report for EPA 8020 & Modified EPA 8015 <br /> Run Log : 2195I <br /> From : 7-Eleven 19976 <br /> Sample(s) Received : 09/18/00 <br /> Matrix Spike <br /> ' Matrix Spike Duplicate <br /> Parameter Recovery % Recovery RPD <br /> Benzene 94 97 3 <br /> Ethylbenzene 92 95 3 <br /> ' TPH as Gasoline 96 100 4 <br /> * RPD = Relative Percent Difference <br /> ' Parameter Laboratory Control Sample <br /> Recovery <br /> Benzene <br /> 97 <br /> Ethylbenzene 98 <br /> Gasoline 102 <br /> Parameter Method Blank <br /> ' Benzene <0 . 20 ug/L. <br /> Toluene <0.20 ug/L <br /> Ethylbenzene <0. 20 ug/L <br /> Total Xylenes <0.20 ug/L <br /> ' TPH as Gasoline <20 ug/L <br /> ' Tom K o2 <br /> Lab pix o <br />