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Ac c u I a b s Inc. • Formerly West Laboratory <br /> Davis/Sacramento 1046 Olive Drive, Suite 2, Davis CA 95616 m 530-757-0920 a Fax 753-6091 <br /> August 20 , 1998 <br /> Sample Log 18899 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> Run Log : 2173X - -From : T & T Trucking (Pro3 . # 6271 ) <br /> Sample(s) Received : 08/13/98 <br /> Matrix Spike ' <br /> Matrix Spike Duplicate <br /> Parameter - °, Recovery , °s Recovery RPD <br /> Benzene 104 101 3 <br /> Ethylbenzene 103 98 5 <br /> TPH as Gasoline 99 99 0 <br /> * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> Recovery <br /> Benzene - 99 <br /> Ethylbenzene 97 <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 /> 3Uvsrt Podo2sky <br /> senior Chasist <br /> Phoenix ■ Tucson a North Phoenix ■ Davis/Sacramento a Durango ■ Golden a Sparks/Reno <br />