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I <br /> I <br /> J <br /> I <br /> # Acculabs Inc. October 6, 1998 <br /> L Sample Log 19116 <br /> is <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> Run Log : 4177N <br /> From : SL/Stockton #14117 (Proj . # 106129) <br /> Sample(s) Received : 10/05/98 <br /> i <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter % Recovery o Recovery RPD <br /> Benzene 86 87 1 <br /> Ethylbenzene 94 93 1 <br /> I <br /> TPH as Gasoline 109 108 1 <br /> * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> % Recovery <br /> I <br /> Benzene 88 <br /> Ethylbenzene 96 <br /> Gasoline <br /> s <br /> Parameter Method Blank <br /> Benzene <0. 50 ug/L <br /> i <br /> Toluene <0. 50 ug/L <br /> Ethylbenzene <0. 50 ug/L <br /> Total Xylenes <0. 50 ug/L <br /> I <br /> i <br /> TPH as Gasoline <50 ug/L <br /> I <br /> I <br /> 1 <br /> i <br /> I <br /> Stewart P olsky <br /> Senior the ist <br /> i <br /> I <br />