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k'-D 12' 14 ref I-EST FAX NO 916--&4610 <br /> February 25 , 1997 <br /> sample Log 16467 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> Run Lag : 2157B <br /> From : Southland/DaVinci (Pro] . + 020700470/6704) <br /> Sample(s) Received : 02/24/97 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter a Recovery e Recovery RPD <br /> Benzene 98 105 7 <br /> Ethylbenzene 100 103 3 <br /> TPH as Gasoline 107 114 6 <br /> * RPD � Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> Recovery <br /> Benzene 100 <br /> Ethylbenzene 100 <br /> Gasoline 110 <br /> Parameter Method Blank <br /> Benzene <0 . 005 mg/Rg <br /> Toluene X0 . 005 mg/Kg <br /> Ethylbenzene <0 . 005 mg/Kg <br /> Total Xylenes <o . 005 mg/Kg <br /> TPH as Gasoline <1 . 0 mg/Kg <br /> s� KST1 <br /> S+h10F 6 w.1st <br />