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' Acculabs Inc. February 24, 1999 <br /> Sample Log 19647 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> Run Log : 4181T <br /> From : Southland 17334 (Prof. # 102455.6304000) <br /> Sample(s) Received : 02/18/99 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter v Recovery Recovery RPD <br /> Benzene 94 99 5 <br /> Ethylbenzene 112 116 4 <br /> ' No gasoline spike recovery due to high gas in spiked sample. <br /> * RPD W Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> ' % Recovery <br /> G <br /> enzene 99 <br /> Ethylbenzene 99 <br /> asoline 136 <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 /> - <br /> Laboix—A <br /> i <br /> • <br />