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dOA�,�� July 12 , 1994 <br /> Sample Log 9799 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> From : Project # 2088 . 04 (Granite) <br /> Sample(s) Received : 07/07/94 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery Recovery RPD <br /> Benzene 101 103 2 <br /> Ethylbenzene _ _ _ _ _ 97_ _ _ 96 - 1 <br /> TPH as Gasoline 90 89 1 <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 /> Z. Sar s <br /> Senionie r Chewiet <br /> Western Environmental Science & Technology - 45133 County Road 328 - Davis, CA 95616 916 753-9500 FAX 916 757-4652 <br />