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American Envif onmental Network <br /> PAGE QR-12 <br /> • QUALITY CONTROL DATA <br /> METHOD EPA 8020, 5030 GCFID <br /> AEN JOB NO 9709391 <br /> INSTRUMENT E, H <br /> MATRIX SOIL <br /> Surrogate Standard Recovery Summary <br /> Date Percent Recovery <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 10/08/97 SB-1 10-11 5 02 102 <br /> 10/09/97 SB-1, 20-21 5 04 98 <br /> 10/09/97 SB-1 , 25-26 5 05 94 <br /> 10/08/97 SB-1 , 30-31 5 06 103 <br /> 10/09/97 SB-2 25-26 5 11 92 <br /> 10/08/97 SB-2, 30-31 5 12 97 <br /> 10/09/97 SB-2, 35-36 5 13 103 <br /> 10/08/97 SB-3, 20-21 5 17 103 <br /> 10/08/97 SB-3 30-31 5 19 102 <br /> 10/08/97 SB-4, 20-21 5 23 102 <br /> 10/08/97 SB-4, 30-31 5 25 102 <br /> OC Limits 70-130 <br /> DATE ANALYZED 10/09/97 <br /> SAMPLE SPIKED LCS <br /> INSTRUMENT E <br /> Laboratory Control Sample Recovery <br /> QC Limits <br /> Spike <br /> Added Percent Percent <br /> Analyte (ug/kg) Recovery RPD Recovery RPD <br /> Benzene 100 84 4 70-130 20 <br /> Toluene 100 88 4 70-130 20 <br /> Ethylbenzene 100 87 7 70-130 20 <br /> Total Xylenes 300 83 3 70-130 20 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> at or above the reporting limit <br /> *** END OF REPORT **'� <br />