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October 3 , 1997 <br /> Sample Log 17393 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> Run Log : 4166E <br /> From : Southland/N Pershing Stkn (Prod . # 020700496/6304) <br /> Sample(s) Received : 09/25/97 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter o Recovery % Recovery RPD <br /> Benzene 96 98 2 <br /> Ethylbenzene 96 99 3 <br /> TPH as Gasoline 101 101 O <br /> * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> Recovery <br /> Benzene 98 <br /> Ethylbenzene 103 <br /> Gasoline 112 <br /> Parameter Method Blank <br /> TPH as Gasoline <1 .0 mg/Kg <br /> SEawarrt P6dolsky . <br /> aenxor chaaist <br /> i <br />