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IE �� <br /> i Report Number 22875 <br /> QC Report Matrix Spike/Matrix Spike Duplicate j; Date 10/24/2001 <br /> I � <br /> Project Name 23569 S Santa Fe Rd , <br /> Project Number 077 43624 002 <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 /> Spike Recovery Data <br /> Benzene 22875-01 <0 50 197 200 I; 194 198 uglL EPA 8260B 10121120098 8 994 0 656 70-130 25 <br /> Toluene 22875-01 065 197 20 0 1919 203 uglL EPA 8260B 10121120098 0 98 6 0 610 70-130 25 <br /> Tert-Butanol 22875-01 <5 0 98 3 998 I' 1015 105 ug1L EPA 8260E 101211200107 105 1 55 70-130 25 <br /> Methyl-t-Butyl Ether 22875-01 <0 50 19 7 200 2018 223 ug/L EPA 82606 101211200106 112 582 70-130 25 <br /> I= <br /> i <br /> 13 <br /> I <br /> I <br /> i <br /> i' <br /> I} r <br /> ' 1 1 <br /> i <br /> I <br /> I <br /> I <br /> i <br /> I <br /> i <br /> I � <br /> II <br /> I <br /> i' <br /> JJ <br /> k <br /> E I � <br /> Approved By J �I Kiff 11 <br /> KIFF ANALYTICAL, LLC <br /> • 720 Olive Drive, Suite D *1 CA 95616 530-297-4800 • Y <br />