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ACCULABS, INC <br /> October 4, 2001 <br /> Sample Log 22994 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> Run Log : 420ON <br /> From : STHL/Country Club #14117 (Prod . # 779966 .63070000) <br /> Sample(s) Received 09/26/01 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter $ Recovery Recovery RPD <br /> ' Benzene 93 90 4 <br /> Ethylbenzene 101 93 8 <br /> TPH as Gasoline 117 114 3 <br /> * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> Recovery <br /> Benzene 96 <br /> Ethylbenzene 99 <br /> Gasoline 128 <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 /> TOID KMOka <br /> ' Lab Dir <br />