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■■� l• m m m u m m m ■■� 1. ■■. <br /> Report Number 38592 <br /> QC Report Matrix Spike/Matrix Spike Duplicate Date 6!912004 <br /> Protect Name 7-Eleven Store #32262 <br /> Protect Number 77EL 32262 04 <br /> Duplicate Spiked <br /> Duplicate Spiked Spiked Sample Relative <br /> Spike Spiked Spiked Sample Sample Relative Percent Percent <br /> Spiked Sample Spike Duo Sample Sample Analysts Date Percent Percent Percent Recov Diff <br /> Parameter Sample Value Level Level Value Value Units Method Analyzed Recov Recov Diff Lima Limit <br /> Benzene 38529-01 <0 0050 00367 00369 00293 00287 mg/Kg EPA 8260B 614104 799 778 270 70-130 25 <br /> Toluene 38529-01 <0 0050 00367 00369 00287 00279 mg/Kg EPA 8260B 614/04 782 755 351 70-130 25 <br /> Tert-Butanol 38529-01 <0 0050 0 183 0 184 0 138 0 139 mg/Kg EPA 82606 614104 750 764 0 625 70-130 25 <br /> Methyl-t-Bury! Ether 38529-01 <0 0050 00367 00369 00292 00301 mg/Kg EPA 82606 6/4104 797 816 232 70-130 25 <br /> I <br /> Approved By jo iff <br /> KIFF ANALYTICAL, LLC <br /> 2795 2nd St, Suite 300 Davis, CA 95616 530-297-4800 <br />