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August 10 , 1998 <br /> Sample Log 18833 <br /> Qc Report for EPA 8020 & Modified EPA 8015 <br /> Run Log : 2173J <br /> From : Southland ##14117 Stockton (Prof . # 106129 ) <br /> ' Sample(s) Received : 08/03/98 <br /> Matrix Spike <br /> ' Matrix Spike Duplicate <br /> Parameter o Recovery s Recovery RPD <br /> i Benzene 105 105 <br /> Ethylbenzene 105 105 0 <br /> TPH as Gasoline 110 113 3 <br /> * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> Recovery <br /> iBenzene 105 <br /> Ethylbenzene 103 <br /> Gasoline 126 <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 /> '/1J•/1r <br /> Stewart Podal6ky /' <br /> ..anior Cl-iemtst <br /> 1E14f, {)]tic [�riti�, Sui[c ? Davi,,, LIQ 9))61h E LIQ 6011) <br />