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ACCULABS, INC <br /> November 8, 2001 <br /> ' Sample Log 23118 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> ' Run Log : 2210T <br /> From : 7-Eleven # <br /> Sample(s) Received : 11/01/01 <br /> 1 Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery Recovery RPD <br /> Benzene 150 160 6 <br /> Ethylbenzene 98 97 1 <br /> No gasoline spike recovery due to high gas in spiked sample. <br /> * RPD = Relative Percent Difference <br /> 1 Parameter Laboratory Control Sample <br /> Recovery <br /> Benzene 84 <br /> Ethylbenzene 97 <br /> Gasoline 96 <br /> Parameter Method Blank <br /> l <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 <1.0 mg/Kg <br /> i <br /> Tom Kwok& <br /> Lab D1 <br /> 1 <br /> 1 <br />