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i <br /> Report Number 45441 <br /> I <br /> QC Report Matrix Spike/ Matrix Spike Duplicate Date 8/23/2005 <br /> Project Name Quik Stop 39 <br /> Project Number 7039 46 <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 45397-09 <0 50 402 400 406 400 ug/L EPA 8260E 8122105 101 999 148 70-130 25 <br /> Toluene 45397-09 <0 50 40 10 400 408 406 ug/L EPA 8260B 8122/05 102 101 0 718 70-130 25 <br /> Tert-Butanol 45397-09 <50 200 200 193 194 ug/L EPA 8260B 8122/05 967 969 0 219 70-130 25 <br /> Methyl-t-Butyl Ether 45397-09 27 40'0 400 389 389 ug/L EPA 8260B 8122105 904 905 00830 70-130 25 <br /> Benzene 45441-03 <0 50 40`0 400 421 416 ug/L EPA 8260B 8/20105 105 104 120 70-130 25 <br /> i <br /> Toluene 45441-03 <0 50 400 400 41 3 41 2 ug/L EPA 8260B 8120105 103 103 0 302 70-130 25 <br /> 11 <br /> Tert-Butanol 45441-03 6 7 200 200 200 195 ug/L EPA 82608 8120105 966 941 258 70-130 25 <br /> Methyl-t-Butyl Ether 45441-03 <0 50 401b 400 457 46 1 uglL EPA 82608 8120105 114 115 0 848 70-130 25 <br /> I <br /> I <br /> i <br /> j <br /> i <br /> Approved By Jo iff <br /> KIFF AN�ICAL, LLC • <br /> 2795 2nd St, Suite 300 Davis, CA 95616 530-297-4800 <br />