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Ai7icr,, ciil Eill'1i'oili7iei7tcz1 ivPt11'or <br /> PAGE 9 <br /> QUALITY CONTROL DATA <br /> METHOD: EPA 8020, 5030 GCFID <br /> AEN JOB NO: 9707413 <br /> INSTRUMENT: H <br /> MATRIX: WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date <br /> Analyzed Client Id. Lab Id. Fluorobenzene <br /> 08/09/97 TW-1 01 102 <br /> 08/08/97 EB-1 03 102 <br /> QC Limits: 70-130 <br /> DATE ANALYZED: 08/08/97 <br /> SAMPLE SPIKED: LCS <br /> INSTRUMENT: H <br /> Laboratory Control Sample <br /> QC Limits <br /> Spike Blank LCS LCSD LCS <br /> Conc. Result Result Result Percent Percent <br /> Analyte (ug/L) (ug/L) (ug/L) (ug/L) Recovery RPD Recovery RPD <br /> Benzene 15.0 ND 16.4 15.4 109 6 80-127 20 <br /> Toluene 48.1 ND 54.2 50.7 113 7 85-122 20 <br /> HCs as Gasoline 500 ND 525 555 105 6 85-125 20 <br /> *** END OF REPORT *** <br />