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eN OF�r <br /> �7 <br /> December 17, 1993 <br /> Sample Log 8015 <br /> QC Report for EPA 602 & Modified EPA 8015 <br /> From : Pro3ect # 1628.41 (Crystal Creamery) <br /> Sample(s) Received : 12/01/93 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery Recovery RPD <br /> Benzene 95 95 0 <br /> Ethylbenzene 93 90 3 <br /> TPH as Gasoline 87 89 3 <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 /> Stewart POdOlSk <br /> Senior Chemist <br /> Western Environmental Science & Technology 45133 County Road 32B Daws CA 95616 916 753-9500 FAX 916 757 4652 <br />