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� ■■w■ a, a � �� w� e, ■■■�� �w■ �� www � � � � <br /> Report Number 32010 <br /> QC Report Matrix Spike/Matrix Spike Duplicate Date 3/20/2003 <br /> Project Name 2375 W. Grant Line Rd , <br /> Project Number 030307-RM-2 <br /> Duplicate Spiked Spiked to Sample Relative <br /> Spike Spiked Spiked Sample Sample Relative Percent Percent <br /> Spiked Sample Spike Dup Sample Sample Analysis Dake Percent Percent Percent Recov Diff <br /> Parameter Sample Value Level Level Value Value Units Method Analyzed Recov Recov Diff Limit Limit <br /> Benzene 31977-02 6 5 499 500 532 542 ug/L EPA 8260B 3113/03 936 95 3 189 70-130 25 <br /> Toluene 31977-02 0 83 49 9 500 470 467 ug/L EPA 8260B 3113/03 92 5 917 0 864 70-130 25 <br /> Tert-Butanol 31977-02 28 249 250 261 291 ug/L EPA 8260B 3113103 933 105 118 70-130 25 <br /> Methyl-t-Butyl Ether 31977-02 280 499 500 334 279 ug/L EPA 82608 3/13103 103 000 200 70-130 25 <br /> �~ 1 <br /> i <br /> S I <br /> Approved By J I Kiff <br /> KIFF ANALYTICAL, LLC <br /> 2795 2nd St, Suite 300 Davis, CA 95616 530-297-4800 <br />