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Report Number : 78189 <br /> QC Report : Matrix Spike/ Matrix Spike Duplicate Date : 07/27/2011 <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 /> Chloroethane <br /> 78189-02 <0.50 40.0 40.0 38.5 37.8 ug/L EPA 8260B 7/21/11 96.2 94.6 1.69 70.0-130 25 <br /> Chloroform <br /> 78189-02 <0.50 40.0 40.0 37.2 36.9 ug/L EPA 8260B 7/21/11 92.9 92.3 0.607 80.0-120 25 <br /> Chloromethane <br /> 78189-02 <0.50 40.0 40.0 38.5 38.1 ug/L EPA 8260B 7/21/11 96.3 95.2 1.15 45.9-142 25 <br /> Dibromochloromethane <br /> 78189-02 <0.50 40.0 40.0 38.8 39.2 ug/L EPA 8260B 7/21/11 96.9 97.9 1.07 70.0-130 25 <br /> Dibromomethane <br /> 78189-02 <0.50 40.0 40.0 37.2 37.4 ug/L EPA 8260B 7/21/11 93.1 93.6 0.518 70.0-130 25 <br /> Dichlorodifluoromethane <br /> 78189-02 <0.50 40.0 40.0 38.5 37.6 ug/L EPA 8260B 7/21/11 96.2 94.0 2.32 47.4-151 25 <br /> Diisopropyl ether <br /> 78189-02 <0.50 39.6 39.6 38.8 38.4 ug/L EPA 8260B 7/21/11 98.0 97.0 1.04 80-120 25 <br /> Ethanol <br /> 78189-02 <5.0 99.7 99.7 88.0 89.3 ug/L EPA 8260B 7/21/11 88.2 89.6 1.49 55.1-159 25 <br /> Ethyl-tert-butyl ether <br /> 78189-02 <0.50 39.9 39.9 38.4 38.8 ug/L EPA 8260B 7/21/11 96.2 97.2 1.07 76.5-120 25 <br /> Ethylbenzene <br /> 78189-02 <0.50 40.0 40.0 40.8 39.9 ug/L EPA 8260B 7/21/11 102 99.7 2.39 80-120 25 <br /> v <br /> CD <br /> C? <br /> 0 <br /> w <br /> KIFF ANALYTICAL, LLC <br /> 2795 2nd Street, Suite 300 Davis, CA 95618 530-297-4800 <br />