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September 30, 1993 <br /> Sample Log 7434 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> From : Babka Distributing <br /> Sample(s) Received : 09/16/93 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery Recovery RPD <br /> Benzene 97 100 4 <br /> Ethylbenzene 97 101 5 <br /> TPH as Gasoline 99 92 7 <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 /> e <br /> stews Podolwky <br /> Son a CBewlet <br /> Western Environmental Science & Technology • 45133 County Road 328 Davis, CA 95616 916 753 9500 FAX 916 757-4652 <br />