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• <br /> • Report Number 32176 <br /> Date 3!28103 <br /> QC Report Matrix Spike! Matrix Spike Duplicate <br /> Project Name 7-Eleven Store#17647 <br /> Project Number 77EL 17647.03 <br /> Spiked <br /> Duplicate Spiked Spiked to Sample Relative <br /> Spike Spiked Spiked Sample Sample Relative Percent Percent <br /> Spiked Sample Spike Dup Sample Sample Analysis Date Percent Percent ercent Recov Diff <br /> P <br /> Parameter Sample Value Level Level Value Value Units Method Analyzed Recov Recov Diff Limit Limit <br /> Benzene 32176-02 <0 50 400 400 402 391 ug/L EPA 82606 3118!03 100 978 2 72 70-130 25 <br /> Toluene 32176-02 <0 50 400 400 41 2 406 ug/L EPA 8260B 3!18103 103 102 144 70-130 25 <br /> Tert-Butanol 32176-02 <5 0 200 200 205 206 ug/L EPA 82608 3118!03 102 103 ❑797 70-130 25 <br /> Methyl-t-Butyl Ether 32176-02 1 7 400 400 453 430 ug/L EPA 82606 3!18103 109 103 544 70-130 25 <br /> E <br /> Approved By J el Kiff <br /> KIFF ANALYTICAL, LLC f <br /> 2795 2nd St, Suite 300 Davis, CA 95616 530-297-4800 �f <br />