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ACCUI-ABS, INC <br /> October 30 , 2001 <br /> Sample Log 23092 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> ' Run Log : 4201F <br /> From : Earthgrains (Stockton) (Prod . # 23-484517-BOO) <br /> Sample(s) Received : 10/25/01 <br /> ' Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter % Recovery % Recovery RPD <br /> 1 <br /> Benzene 86 86 0 <br /> Ethylbenzene 96 96 0 <br /> ' TPH as Gasoline 94 93 1 <br /> * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> ' Recovery <br /> Benzene 82 <br /> Ethylbenzene 90 <br /> Gasoline 98 <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 /> 1 <br />' Tom Kwoka <br /> Lab Dire r <br /> 1 <br />