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Report Number 28890 <br /> QC Report Matrix Spike/Matrix Spike Duplicate Date 10/15/02 <br /> Project Name Franks One Stop <br /> Project Number 3490 <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 28925-01 <0 50 400 400 399 390 ug/L EPA 8260B 1013102 998 976 230 70-130 25 <br /> Toluene 28925-01 <0 50 400 400 401 405 ug/L EPA 8260B 1013102 100 101 102 70-130 25 <br /> Tert-Butanol 28925-01 <5 0 200 200 208 198 ug/L EPA 82606 10/3102 104 988 537 70-130 25 <br /> Methyl-t-Butyl Ether 28925-01 <0 50 400 400 41 2 414 ug/L EPA 8260E 10/3102 103 104 0 726 70-130 25 <br /> Benzene 28882-22 38 400 400 439 434 ug/L EPA 82608 9130/02 100 990 1 18 70-130 25 <br /> Toluene 28882-22 1 8 400 400 426 419 ug/L EPA 8260B 9130/02 102 100 1 76 70-130 25 <br /> Tert-Butanol 28882-22 <5 0 200 200 215 219 ug/L EPA 8260B 9130102 108 110 171 70-130 25 <br /> Methyl-t-Butyl Ether 28882-22 <0 50 400 400 423 415 ug/L EPA 8260B 9/30102 106 104 1 79 70-130 25 <br /> Benzene 28890-01 <0 50 400 400 423 423 ug/L EPA 8260B 9/28/02 106 106 00709 70-130 25 <br /> Toluene 28890-01 <0 50 400 400 41 8 423 ug/L EPA 8260E 9128/02 105 106 1 04 70-130 25 <br /> Tert-Butanol 28890-01 <50 200 200 217 212 ug/L EPA 8260E 9128102 108 106 222 70-130 25 <br /> Methyl-t-Butyl Ether 28890-01 <0 50 400 400 371 461 ug/L EPA 8260B 9128/02 927 115 21 6 70-130 25 <br /> Benzene 28882-05 <0 50 400 400 431 433 ug/L EPA 8260B 9130102 108 108 0 324 70-130 25 <br /> Toluene 28882-05 <0 50 400 400 427 422 ug/L EPA 8260B 9130/02 107 106 106 70-130 25 <br /> Tert-Butanol 28882-05 <50 200 200 212 210 ug/L EPA 82606 9/30102 106 105 0 800 70-130 25 <br /> Methyl-t-Butyl Ether 28882-05 <0 50 400 400 412 403 ug/L EPA 8260B 9130/02 103 101 201 70-130 25 <br /> TPF!as Diesel Blank <50 1000 1000 826 805 ug/L M EPA 8015 9/30102 826 805 250 70-130 25 <br /> I <br /> Approved By J I Kiff <br /> KIFF ANALYTICAL, LLC <br /> 2795 2nd St, Suite 300 Davis, CA 95616 530-297-4800 <br /> I <br />