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July 28 , 1998 <br /> Sample Log 18799 <br /> QC Report for EPA 502 & Modified EPA 8015 <br /> Run Log : 21722 <br /> From : Southland #14117 <br /> Sample s) Received : 07/27/98 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter o Recovery o Recovery RPD <br /> Spiked sample too contaminated for spike recovery. See LCS data . <br /> * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> Recovery <br /> Benzene 107 <br /> Ethylbenzene 103 <br /> Gasoline 104 <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 <4 . 50 ug/L <br /> TPH as Gasoline <50 ug/L <br /> Stewart Focfalsky �(� <br /> SA41oY 4h6mtst ���111 <br /> 1046 Olive Drive Suite. 2 • D,wi,, (A 1-h010 • 030) Tti7-0920 lax (530) 7�,3-6091 <br />