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Report Number : 78203 <br /> QC Report : Matrix Spike/ Matrix Spike Duplicate Date : 07/29/2011 <br /> Project Name : Parcel #2A - 3Q11 Monitoring and Sampling <br /> Project Number : 211602258.400.401 <br /> Duplicate Spiked <br /> Duplicate Spiked Spiked Sample Relative <br /> Spike Spiked 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 /> Isopropyl benzene <br /> 78220-05 60 40.0 40.0 101 95.7 ug/L EPA 8260B 7/25/11 101 88.3 13.8 70.0-130 25 <br /> Methanol <br /> 78220-05 <50 1000 1000 704 789 ug/L EPA 8260B 7/25/11 70.4 78.9 11.4 53.2-147 25 <br /> Methyl-t-butyl ether <br /> 78220-05 <0.50 40.2 40.2 33.1 33.7 ug/L EPA 8260B 7/25/11 82.4 83.9 1.82 69.7-121 25 <br /> Methylene Chloride <br /> 78220-05 <5.0 40.0 40.0 34.0 33.1 ug/L EPA 8260B 7/25/11 85.1 82.9 2.63 70.0-130 25 <br /> Naphthalene <br /> 78220-05 1.3 40.0 40.0 42.0 41.4 ug/L EPA 8260B 7/25/11 102 100 1.40 70.0-130 25 <br /> O-Xylene <br /> 78220-05 2.2 40.0 40.0 43.4 41.6 ug/L EPA 8260B 7/25/11 103 98.4 4.44 79.7-120 25 <br /> P + M Xylene <br /> 78220-05 48 40.0 40.0 89.6 85.8 ug/L EPA 8260B 7/25/11 104 94.5 9.58 76.8-120 25 <br /> Styrene <br /> 78220-05 <0.50 40.0 40.0 34.3 33.7 ug/L EPA 8260B 7/25/11 85.7 84.2 1.76 70.0-130 25 <br /> Tert-Butanol <br /> 78220-05 7.5 193 193 204 208 ug/L EPA 8260B 7/25/11 102 103 1.62 80-120 25 <br /> Tert-amyl-methyl ether <br /> 78220-05 <0.50 39.9 39.9 32.4 33.6 ug/L EPA 8260B 7/25/11 81.3 84.1 3.34 78.9-120 25 <br /> v <br /> 0 <br /> CD <br /> rn <br /> 0 <br /> 0 <br /> 0 <br /> 00 <br /> KIFF ANALYTICAL, LLC <br /> 2795 2nd Street, Suite 300 Davis, CA 95618 530-297-4800 <br />