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Report Number : 47447 <br /> QC Report . Matrix Spike/MatrixiSpike Duplicate Date 12/21/2005 <br /> i ' <br /> Project Name : Former,Beacon.12474 ' <br /> Project Number: 1474.48 <br /> Spiked <br /> i Duplicate Spiked Spiked to Sample Relative <br /> SpikeSpiked Spiked Sample Sample Relative Percent Percent <br /> Spiked Sample Spike Dup. Sample Sample Analysis Date Percent Percent Percent Recov. Diff. <br /> 'Parameter Sample/ Value Level ; Level Value Value units Method Analyzed Recov. Recov. Diff. Limit Limit <br /> .Benzene 47447-06 <0.50, 40.0 40.0 40.7 39.7 uglL EPA 8260B 12/16105 102 99.2 2.48 70-130 25 <br /> Toluene 47.447-06 <0.50 40.0 40.0 39.9 38.9 uglL EPA 82606 12/16/05 99.7 97.4 2.40" 70-130 25 <br /> c Tert-Butanol 47„447706 <5.0 200 200 1197 198 uglL EPA 8260B 12/16/05 98.7 99.0 0.287 70-130 25 <br /> Methyl-t-Butyl Ether 47447-06 <0.50 40.0 40.0 38.5 37.9 uglL EPA 82606 12/16/05 96.3 , 94.9 1.49,x: 70-130 25 <br /> ". Benzene 47489=02 <0.50 40.0 40.0 39.5 40.0 uglL EPA 82606 12/17/05 98.7 99.9 1.271 70-130 25 <br /> Toluene 47489-02 <0.50 40.0 40.0 • 38:1 37.4 uglL EPA 82606 12/17/05 95.4 93.5 1.981 70-130 25 <br /> Tert-Butanol 47:489=02 . <5.0 200 200 190 193 uglL EPA 82606 12/17/05 95.2 96.7 1.52-i 70-130 25 <br /> Methyl-t-Butyl Ether47489-02 <0.50 40.0 40.0 38.1 41.0 uglL EPA 8260B 12/17105 95.3 102 7.20 , 70-130 25 <br /> 'Benzene 47517-05 <0.50 40.0 40.0 39:5 39.2 uglL EPA 8260B 12/20/05 98.6 98.0 0.710 70-130 25 <br /> :Toluene 47517-05 <0.50 40.0 40.0 37.3 37.1 uglL EPA 82606 12/20/05 93.4 92.8 0.595 70-130 25 <br /> . 11-Ter#-Butanol 47517-05 <5.0 200 200 183 184 ug/L EPA 82606 12/20/05 91.5 92.2 0.717 70-130 25 <br /> Methyl-t-Butyl Ether 47517-05 <0.50 40.0 40.0 36.8 36.0 uglL EPA 8260B 12/20/05 82.1 90.1 2.17; 70-130 25 <br /> Benzene 47447-01 <0.50 40.0 40.0 43.2 42.9 ug/L EPA 8260E 12116/05 1 08 107 0.632 70-130 25 <br /> I. <br /> Toluene 47447-01 <0.50 40.0 40.0 40.9 40.5 uglL EPA 8260E 12/16105 `02 101 0.962 70-130 25 <br /> Tert-Butanol 47447-01 <5.0 200 200 .205 212 uglL EPA 82606 12/16/05 `02 106 3.63 70-130 25 <br /> Methyl-t-Butyl Ether 47447-01 <0.50 40.0 ' 40.0 42:1 42.2 uglL EPA 8260B 12/16/05 105 106 } 0.29$ 70-130 25 <br /> ji <br /> Approved By., Joe iff <br /> ! KIFF ANATICAL, LLC <br /> 2795 2nd St Suite 300 vis CA 95616 530-297-4800 <br />