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r-7 _ r-7 'r--" r-7 � r-7 'r- 'y" r--7 1. yr--7 �r-" r-7 :l r• '.� <br /> Report Number: 30035 <br /> QC Report: Laboratory Control Sample (LCS) Date : 12/9/2002 <br /> Project Name: 404 West Fremont <br /> Project Number: 1628.10 <br /> LCS <br /> LCS Percent <br /> Spike Analysis Date Percent Recov. <br /> Parameter Level Units Method Analyzed Recov. Limit <br /> Benzene 20.0 ug/L EPA 8260B 12/2/02 107 70-130 <br /> Toluene 20.0 ug/L EPA 8260B 12/2/02 100 70-130 <br /> Tert-Butanol 100 ug/L ' EPA 82606 12/2/02 98.3 70-130 <br /> Methyl-t-Butyl Ether 20.0 ug/L EPA 82606 12/2/02 102 70-130 <br /> Benzene 40.0 ug/L EPA 8260B 11/27/02 96.5 70-130 <br /> Toluene 40.0 ug/L EPA 8260B 11/27/02 94.9 70-130 <br /> Tert-Butanol 200 ug/L EPA 8260B 11/27/02 91.2 70-130 <br /> Methyl-t-Butyl Ether 40.0 ug/L EPA 8260B 11/27/02 83.9 70-130 <br /> Benzene 40.0 ug/.L EPA 8260B 11/27/02 92.3 70-130 <br /> Toluene 40.0 ug/L EPA 8260B 11/27/02 95.4 70-130 <br /> Tert-Butanol 200 ug/L EPA 82606 11/27/02 102 70-130 <br /> Methyl-t-Butyl Ether 40.0 ug/L EPA 8260B 11/27/02 110 70-130 <br /> KIFF ANALYTICAL, LLC Approved By: oel Kiff <br /> 2795 2nd St, Suite 300 Davis, CA 95616 530-297-4800 <br /> I <br />