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American Environmental Network <br /> PAGE 7 <br />' QUALITY CONTROL DATA <br />' METHOD EPA 418 1 <br /> AEN JOB NO 9702244 <br /> DATE EXTRACTED 02/25/97 <br /> DATE ANALYZED 02/27/97 <br /> SAMPLE SPIKED LCS <br /> INSTRUMENT IR <br />' MATRIX WATER <br /> Laboratory Control Sample <br /> QC Limits <br /> Spike <br />' Added Percent Percent <br /> Analyte (mg/L) Recovery Recovery <br />' Oil 6 97 100 73-112 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> . at or above the reporting limit <br />