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i ! � <br /> Report Number 44116 <br /> QC Report Matrix Spike/Matrix Spike Duplicate Date 6/9/2005 <br /> Project Name T & T TRUCKING <br /> Project Number 127960 <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 Analysts Date Percent Percent Percent Recov Diff <br /> Parameter Sample Value Level Level Value Value Units Method Analyzed Recov Recov Diff Limit Limit <br /> Tert-Butanol 44137-01 5 0 200 200 204 202 ug/L EPA 8260B 617105 998 987 1 05 70-130 25 <br /> Methyl-t-Butyl Ether 44137-01 <0 50 400 400 392 379 ug/L EPA 82606 617105 98 0 947 3 35 70-130 25 <br /> Benzene 44124-04 <0 50 400 400 408 400 ug/L EPA 8260B 616105 102 999 1 94 70-130 25 <br /> Toluene 44124-04 <0 50 400 400 416 41 3 ug/L EPA 82606 616105 104 103 0 902 70-130 25 <br /> Tert-Butanol 44124-04 <5 0 200 200 207 200 ug1L EPA 8260B 616105 104 999 373 70-130 25 <br /> Methyl-t-Butyl Ether 44124-04 <0 50 400 400 427 421 ug/L. EPA 8260B 6!6105 107 105 1 56 70-130 25 <br /> I <br /> Approved By Joe tff <br /> KIFF ANALYTICAL, LLC <br /> 2795 2nd St, Suite 300 Davis, CA 95616 530-297-4800 <br />