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NOV-05-97 WED 0719 PM WEST LAB FAX N0, 916-757-4610 P- 17/18 <br /> November 5, 1997 <br /> Sample Log 17558 <br /> Qc Report for EPA 602 & Modified EPA 8015 <br /> Run Log : 4166Z <br /> From : Crystal Stockton (Prof . # 1628.08) <br /> Sample(s) Received : 10/29/97 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter Recovery Recovery RPD <br /> Benzene 119 114 4 <br /> Ethylbenzene 115 115 0 <br /> TPH as Gasoline 120 116 3 <br /> RPD = Relative Percent Difference <br /> Parameter Laboratory Control. Sample <br /> $ Recovery <br /> Ben2ene 112 <br /> Ethylbenzene 113 <br /> Gasoline 117 <br /> Parameter Method Blank <br /> ' <br /> TPH as Gasoline <50 ug/L <br /> r - <br /> r <br /> r <br /> - t <br /> - r <br /> Podol [ --_�- -- - _�.�___-,----�--- <br /> p�nior CX�fL�C <br /> i <br />