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Aii7ei is cili Elil ii oiiiiieiiwl Nctm of k <br /> PAGE 6 <br /> QUALITY CONTROL DATA <br /> DATE ANALYZED 04/01/94 AEN JOB NO 9404348 <br /> SAMPLE SPIKED 9403359-01 INSTRUMENT F <br /> MATRIX SPIKE RECOVERY SUMMARY <br /> METHOD• EPA 8020, 5030 GCFID <br /> (AIR MATRIX) <br /> Spike Average <br /> Added Percent <br /> ANALYTE (ug/L) Recovery RPD <br /> Benzene 10 0 103 5 <br /> Toluene 34 7 99 7 <br /> Hydrocarbons <br /> as Gasoline 500 95 8 <br /> CURRENT QC LIMITS <br /> Analyte Percent Recovery RPD <br /> Benzene (70-125) 15 <br /> Toluene (70-125) 15 <br /> Gasoline (75-150) 15 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> over the reporting limit <br /> *** END OF REPORT *** <br />