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Report Number 11988 <br /> QC Report Method Spikes/Method Spike Duplicates Date 07/29/98 <br /> Protect Name Tosco 5417 <br /> Protect Number 911-007.1 B <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 /> Soil Spike Recovery Data <br /> Toluene Blank <0 0050 00401 00401 00398 00402 mg/Kg EPA 8020 07/28/98 993 100 0 895 70-130 25 <br /> Ethylbenzene Blank <0 0050 000990 000990 00109 00108 mg/Kg EPA 8020 07/28/98 110 109 0 831 70-130 25 <br /> TPH as Gasoline Blank <0 050 0 500 0 500 0 504 0 506 mg/Kg M EPA 8015 07/28/98 101 101 0 360 70-130 25 <br /> i <br /> i <br /> I <br /> i <br /> I <br /> Approved By f oel Kiff <br /> KiFF ANALYTICAL, LLC � <br /> 720 Olive Drive, Suite D Davis, CA 95616 530-297-4800 '� <br />