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t* <br /> "7 <br /> October 15, 1993 <br /> Sample Log 7631 j <br /> QC Report for EPA 8020 & Modified. EPA 8.015 <br /> j From Parrish & Sons - Wilson Way <br /> Sample(s) Received .: 10/09/93 <br /> Matrix Spike <br /> Matrix Spike , Duplicate <br /> Parameter % Recovery A Recovery RPD <br /> I <br /> _ k <br /> Benzene 93 94 1 <br /> Ethylbenzene 88 82 7 <br /> TPH as Gasoline 82 85 3 <br /> i <br /> * RPD = Relative Percent Difference { <br /> Parameter Method Blank E <br /> 6 <br /> f Benzene <0.005 mg/kg <br /> i Toluene <0.005 mg/kg <br /> Ethylbenzene <0.005 mg/kg <br /> Total Xylenes <0.005 mg/kg <br /> TPH as Gasoline <0. 50 mg/kg E <br /> j <br /> i + <br /> . I <br /> I� <br /> 44 <br /> loi Chenix <br /> Western Environmental Science & Technology 45133 County Road 32B Davil�, CA 45616 916 753-9500 FAX: 916 757-4652 <br />