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AJ,.,�1 can Elivh-oiiii7eiital Nemlyork <br /> PAGE QR-13 <br /> L C <br /> QUALITY CONTROL DATA <br /> METHOD: EPA 8020, 5030; GCFID <br /> i� <br /> AEN JOB NO: 9710182 <br /> DATE ANALYZED: 10/18/97 <br /> SAMPLE SPIKED: 9710182-04 <br /> INSTRUMENT: E <br /> Matrix Spike Recovery Suummary <br /> S ike QC Limits <br /> Added PercentPercent I <br /> Analyte (ug/kg) Recovery RIPD Recovery RPD <br /> ' s <br /> Benzene 100 89 7 70-130 20 f <br /> Toluene 100 91 670-130 20 <br /> Ethylbenzene 100 83 1 70-130 20 <br /> Total Xylenes 300 81 3 70-130 20 <br /> i <br /> i <br /> i <br /> r <br />' _ k <br /> � I <br /> Daily method blanks for all associated analytical, runs showed no contamination <br /> at or above the reporting limit. 3 <br />