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v a <br /> Report Number 38788 <br /> QC Report Matrix Spike/Matrix Spike Duplicate Date 6/2212004 <br /> Project Name QUIK STOP #39 <br /> Project Number 7039.45 <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 38801-04 <0 50 400 400 396 39 3 ug/L EPA 82606 6118104 99 0 983 0 743 70-130 25 <br /> Toluene 38801-04 <0 50 400 400 389 382 ug/L EPA 82606 6118104 973 955 1 86 70-130 25 <br /> Tert-Butanol 38801-04 <5 0 200 200 186 195 uglL EPA 8260B 6118104 932 975 446 70-130 25 <br /> Methyl-t-Butyl Ether 38801-04 0 82 400 400 478 474 ug/L EPA 82606 6118104 118 116 1 06 70-130 25 <br /> Benzene 38788-01 <0 50 400 400 332 330 uglL EPA 8260B 6117104 831 826 0 621 70-130 25 <br /> Toluene 38788-01 <0 50 400 400 35 2 346 ug/L EPA 82606 6117104 881 86 4 1 99 70-130 25 <br /> Tert-Butanol 38788-01 <5 0 200 200 168 168 ug/L EPA 82606 6117104 841 841 00826 70-130 25 <br /> Methyl-t-Butyl Ether 38788-01 <0 50 400 400 337 34 2 ug/L EPA 82606 6117104 84 3 855 143 70-130 25 <br /> Benzene 38788-03 <0 50 400 400 394 390 ug/L EPA 8260B 6/17104 98 5 975 1 01 70-130 25 <br /> Toluene 38788-03 <0 50 400 400 403 399 ug/L EPA 82608 6117104 101 998 0 974 70-130 25 <br /> Tert-Butanol 38788-03 <5 0 200 200 211 203 ug/L EPA 8260B 6117104 106 102 3 84 70-130 25 <br /> Methyl-t-Butyl Ether 38788-03 <0 50 400 400 409 41 2 ug/L EPA 82606 6117104 102 103 0 605 70-130 25 <br /> I <br /> Approved By Joe iff <br /> KIFF ANALYTICAL, LLC <br /> 2795 2nd St, Suite 300 Davis, CA 95616 530-297-4800 <br />