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June 17, 1994 ' <br /> Sample Log 9583 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> From : Project # 125997 (CTI/STOCKTON) <br /> Sample(s) Received : 06/09/94 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter $ Recovery $ Recovery RPD <br /> Benzene ' <br /> 102 103 2 <br /> Ethylbenzene 98 101 3 <br /> TPH as Gasoline 102 102 0 , <br /> * RPD = Relative Percent Difference <br /> Parameter Method Blank , <br /> Benzene <0 . 30 ug/L <br /> Toluene <0 . 30 ug/L <br /> Ethylbenzene <0. 30 ug/L <br /> Total Xylenes <0 . 50 ug/L <br /> TPH as Gasoline <50 ug/L , <br /> 1 <br /> 1 <br /> Matra sarFcLoae <br /> sanlor ��slat <br /> Western Environmental Science Q Technology 45133 County Road 32B • Davis, CA 95616 916 753 9500 FAX 916 757 4652 <br />