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• Report Number <br /> QC Report : Matrix Spike/Matrix Spike Duplicate Date 10/1/2002 <br /> Project Name 7700 Moreland Court, <br /> Project Number 0953 <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 - 28612-01 <0 0050 00397 00396 00405 00405 mg/Kg EPA 8260B 9121102 102 102 0 171 70-130 25 <br /> - Toluene 28612-01 <0 0050 00397 00396 00378 00370 mg1Kg BPA 82608 9121/02 95 2 934 1 88 70-130 25 <br /> Tert-Butanol 28612-01 <0 0050 0 198 0 198 0 199 0203 mg/Kg EPA 82608 9121102 100 102 222 70-130 25 <br /> Methyl-t-Butyl Ether28612-01 <0 0050 00397 00396 00331 00334 mg/Kg EPA 8260E 9/21102 83 5 843 0 954 70-130 25 <br /> - Benzene 28669-20 <0 0050 00372 00401 00375 00394 mg/Kg EPA 82608 9122102 101 98 2 269 70-130 25 <br /> Toluene 28669-20 <0 0050 00372 00401 00372 00393 mg/Kg EPA 8260E 9122102 100 98 2 1 84 70-130 25 <br /> Tert-Butanol 28669-20 <0 0050 0 186 0200 0 181 0 195 mg/Kg EPA 82608 9122102 973 974 00565 70-130 25 <br /> Methyl-t-Butyl Ether 28669-20 <0 0050 00372 00401 00430 00463 mg/Kg EPA 8260B 9122102 116 115 0 173 70-130 25 <br /> I <br /> i <br /> - _ Approved By J ` I Kiff <br /> KIFF ANALYTICAL, LLC <br /> 720 Olive Dnve, Suite D Davis, CA 95616 530-2974800 <br />