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February 4 , 1994 <br /> Sample Log 8526 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> ' From : Project # 40-93-915 (Beacon 695 ) <br /> Sample(s) Received : 02/01/94 <br /> ' Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter % Recovery Recovery RPD <br /> ' Benzene <br /> 102 105 4 <br /> Ethylbenzene 94 97 4 <br /> ' TPH as Gasoline 90 93 3 <br /> * RPD = Relative Percent Difference <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 <0 .50 mg/kg <br />�1 <br /> tiitra saxlchosh <br /> senior Chemist <br /> Wes<ern =^vironmental Science & Teclmolcgy �S133 C„unty Road 325 Davis Cil 95616 916 753 9500 FAX 916 757-465 <br /> 4 <br />