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a.Y �,*EO-MONITOR, E.; F?,ni;�.;�:^ 71GEOP.O. eox 1428; jHEA <br /> 17152 DARWIN AVENUE �f. <br /> HESPERIA,California 92345 J� �'`� � � �� 2 18 <br /> MONITOR, (619)244-3481 <br /> INC. 4 <br /> Date Started: 6128193 Date Finished: 7!6193 . <br /> QUALITY s SSURANCE/QUAL1TY CONTROL SUMMARY <br /> FOR BTXE <br /> ACCURACY MEAN ACCURACY RPD <br /> "ANALYTE CONC FOUND <br /> Spike S. Dup Spike S. Dup. E, <br /> 115 105 1IO 9.1 <br /> E-Benzene 11.5 10.5 <br /> Toluene 11.8 12.7 1 i8 127 122.5 7.3 <br /> SAMPLES: 93GC383-396; 93GC397405 <br /> CONTINUING CALIBRATION <br /> ANALYTE CONC. CONC. FOUND %RECOVERY <br /> fi (Uf{(�) Ei_ 1 91 ' <br /> Benzene 2 1.4 70 <br /> Toluene , k._ _W_ _ 2 .1.76 88 <br /> E-benzene '- 2 _ . !{ -1.84 �,. 92 <br /> 3 M&P- lene 4 <br /> XY 4.98 125 <br /> O-xylene 2 178 89 <br /> j Mawme:gcb6203 <br /> i <br /> i <br /> i 3 <br />