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KIA,M��7 September 24 , 1993 <br /> Sample Log 7395 <br />' QC Report for EPA 602 & Modified EPA 8015 <br /> From : STEWARTS BEACON <br />' Sample(s) Received 09/10/93 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br />' Parameter Recovery % Recovery RPD <br /> Benzene 93 88 5 <br /> t� Ethylbenzene 99 91 8 <br /> TPH as Gasoline 85 86 1 <br />' * RPD = Relative Percent Difference <br /> tParameter Method Blank <br /> Benzene <0 . 30 ug/L <br /> Toluene <0 . 30 ug/L <br /> Ethylbenzene <0. 30 ug/L <br /> Total Xylenes <0 . 30 ug/L <br /> TPH as Gasoline <50 ug/L <br /> l <br /> a Kif£ <br /> or Cho. <br /> Western Environmental Science & Technology 45133 County Road 328 - Davis, CA 95616 - 916 753-9500 FAX 916 757 4652 <br />