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�� � r rr ■� r rr � <br /> Report Number 28897 <br /> QC Report Matrix Spike/Matrix Spike Duplicate Date 1013102 <br /> Project Name JAHANT <br /> Protect Number <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 28826-04 2 6 400 400 422 412 ug/L EPA 8260B 9/29102 991 96 6 2 50 70-130 25 <br /> Toluene 28826-04 1 5 400 400 400 390 ug/L EPA 82606 9129102 96 2 938 245 70-130 25 <br /> Tert-Butanol 28826-04 <5 0 200 200 203 200 ug/L EPA 8260B 9/29102 101 100 1 32 70-130 25 <br /> Methyl-t-Butyl Ether 28826-04 1 1 400 400 41 6 414 ug/L EPA 8260B 9129102 101 101 0 618 70-130 25 <br /> I <br /> Approved By J el Kiff <br /> KIFF ANALYTICAL, LLC , <br /> 720 Olive Drive, Suite D Davis, CA 95616 530-297-4800 <br />