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� • s <br /> Report Number 26985 <br /> QC Report Matrix Spike/Matrix Spike Duplicate Date 6/24102 <br /> Project Name Meyer <br /> Project Number 3490 <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 /> Benzene 26993-04 <0 50 400 400 371 355 ug/L EPA 8260B 6121102 927 888 435 70-130 25 <br /> Toluene 26993-04 <0 50 400 400 372 359 ug/L EPA 82606 6/21/02 929 896 356 70-130 25 <br /> Tert-Butanol 26993-04 <50 200 200 182 184 ug/L EPA 82606 6121102 91 3 91 9 0 666 70-130 25 <br /> Methyl-t-Butyl Ether 26993-04 18 400 400 577 572 ug/L EPA 82606 6121102 100 990 1 06 70-130 25 <br /> I <br /> Approved By Joel Kiff <br /> KIFF ANALYTICAL, LLC <br /> 720 Olive Drive, Suite D Davis, CA 95616 530-297-4800 <br />