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ACCULA65, INC <br /> November 8 , 2001 <br /> Sample Log 23118 <br /> 1 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> Run Log : 2211A,B <br /> From : 7-Eleven # <br /> Sample(s) Received : 11/01/01 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery Recovery RPD <br /> 1 <br /> Benzene 96 97 1 <br /> Ethylbenzene 104 105 2 <br /> TPH as Gasoline 146 137 6 <br /> 1 * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> $ Recovery <br /> Benzene 95 <br /> Ethylbenzene 103 <br /> Gasoline 111 <br /> Parameter Method Blank <br /> jBenzene <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 /> j <br /> 1 <br /> Tom KwqkA <br /> Lab D1 or <br /> i <br /> r <br />