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� �� � i i i � i• � i i i i � i i� i , <br /> Report Number 12143 <br /> QC Report Method Spikes/Method Spike Duplicates Date 08/27198 <br /> Project Name Three B's Truck Plaza <br /> Project Number 98-0821-016 <br /> Siked <br /> Duplicate Spiked Spiked to 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 /> 1,1-Dichloroethene Blank <0 0050 00500 00500 00358 00361 mg/Kg EPA 8260B 08/26/98 71 7 723 0 778 70-130 25 <br /> Benzene Blank <0 0050 00500 00500 00442 00429 mg/Kg EPA 8260E 08/26/98 883 858 290 70-130 25 <br /> Trichloroethene Blank <0 0050 00500 00500 00449 00427 mg/Kg EPA 8260B 08/26/98 899 85 4 506 70-130 25 <br /> Toluene Blank <0 0050 00500 00500 00460 00448 mg/Kg EPA 82608 08/26/98 921 895 284 70-130 25 <br /> Chlorobenzene Blank <0 0050 00500 00500 00498 00483 mglKg EPA 8260E 08/26/98 99 5 966 296 70-130 25 <br /> KIFF ANALYTICAL, LLC Approved By e! Kjff <br /> 720 Olive Drive, Suite D Davis, CA 95616 530-297-4800 <br />