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4UG-26-98 WED 09;33 AM WEST LAB FAX N0. 816-757-4610 P, 09/09 <br /> Accu l a b5 Inc. Formerly West Laboratory <br /> Davis/Sacramento 1046 Olive Drive, Suite 2, Davis CA 95616 P 530-757-0920 ■ Fax 753-6091 <br /> August 26 , 1998 <br /> Sample Log 1.8943 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> Run Log : 2174C <br /> From : Southland #17334 Stockton <br /> Sample(s) Received : 08/25/98 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery o Recovery RPD <br /> Benzene 110 103 7 <br /> Ethylbenzene 111 101 9 <br /> TPH as Gasoline 108 103 5 <br /> * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> Recovery <br /> Benzene 99 <br /> Ethylbenzene 95 <br /> Gasoline 99 <br /> Parameter Method Blank <br /> Benzene <0 . 005 mg/Kg <br /> Toluene <0. 005 mg/Kg <br /> Ethylbenzene <0 . 005 mg/Kg <br /> Total Xylenes <0.005 mg/Kg <br /> TPH as Gasoline <1 .0 mg/kg <br /> Stewart Podolsky <br /> Senior Cpemisi <br />