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Report Number: 41444 <br /> _ _ <br /> Date 12/17/20 4 <br /> QC Report: Matrix Spike/Matrix Spike Duplicate <br /> Project Name: Shell Station <br /> Project Number: 246-0323-006 <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 /> TPH as Diesel 41444-03 22 20.0 20.0 43.0 30.8 mg/Kg M EPA 8015 12/14/04 103 73.9 32.8 60-140 25 <br /> Benzene 41399-02 <0.0050 0.0387 0.0378 0.0336 0.0326 mg/Kg EPA 8260B 12/13/04 87.0 86.2 0.892 70-130 25 <br /> Toluene 41399-02 <0.0050 0.0387 0.0378 0.0316 0.0329 mg/Kg EPA 8260B 12/13/04 81.8 87.2 6.32 70-130 25 <br /> Methyl-t-Butyl Ether 41399-02 <0.0050 0.0387 0.0378 0.0361 0.0370 mg/Kg EPA 8260B 12/13/04 93.2 97.8 4.76 70-130 25 <br /> v <br /> Approved By: Jo iff <br /> KIFF ANALYTICAL, LLC <br /> 2795 2nd St, Suite 300 Davis, CA 95616 530-297-4800 <br /> I -- <br />