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� • s <br /> q r <br /> Report Number 24858 <br /> QC Report Matrix Spike/Matrix Spike Duplicate Date 03/07/2002 <br /> Project Name QUIKSTOP #39 <br /> Project Number 7039.43 <br /> Duplicate Spiked <br /> Duplicate Spiked Spiked Sample Relative <br /> Spike Spiked Spiked Sample Sample Relative Percent Percent <br /> Spiked Sample Spike DUD 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 /> TPH as Diesel Blank <50 1000 1000 1010 956 ug/L M EPA 8015 021211200101 956 537 70-130 25 <br /> Benzene 24936-01 <0 50 400 400 41 0 392 ug/L EPA 8260B 021271200102 980 446 70-130 25 <br /> Toluene 24936-01 <0 50 400 400 41 5 392 ug/L EPA 8260B 021271200104 980 575 70-130 25 <br /> Tert-Butanol 24936-01 <50 200 200 197 200 ug/l_ EPA 82606 02127120098 5 100 166 70-130 25 <br /> Methyl-t-Butyl Ether 24936-01 1 9 400 400 432 431 ug/L EPA 8260B 021271200103 103 00485 70-130 25 <br /> Benzene 24948-02 <0 50 400 400 421 41 7 ug/L EPA 8260B 021281200105 104 0 883 70-130 25 <br /> Toluene 24948-02 <0 50 400 400 430 41 5 ug/L EPA 8260B 021281200108 104 357 70-130 25 <br /> Tert-Butanol 24948-02 2500 200 200 2250 2210 ug/L EPA 8260B 02i2812000 00 000 000 70-130 25 <br /> Methyl-t-Butyl Ether 24948-02 3200 400 400 1820 1800 ug/L EPA 8260B 02/28/2000 00 000 000 70-130 25 <br /> i <br /> I <br />� t.0 <br />