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i <br /> I <br /> 1{ <br /> Report Number 34447 <br /> QC Report Matrix Spike/Matrix Spike Duplicate, Date 8/16/2003 <br /> Project Name T&T TRUCKING <br /> Project Number 21417 I� <br /> I <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 i Value Units Method Analyzed Recov Recov Diff Limit Limit <br /> Benzene 34429-05 <0 50 400 ;40 0 406 1 40 2 ug/L EPA 8260B 8112103 102 100 1 65 70-130 25 <br /> Toluene 34429-05 <0 50 400 400 40 ,1 j 39 8 ug/L EPA 8260B 8112103 100 995 0 651 70-130 25 <br /> Tert-Butanol 34429-05 49 200 200 256 i 2531' ug/L t EPA 82606 8112103 103 1021' 167 70-130 25 <br /> Methyl-t-Butyl Ether 34429-05 310 400 400 344 336 ug/L EPA 8260E 8112103 792 592 290 70-130 25 <br /> Benzene 34502-16 <0 50 400 400 41 3 39 8 ug/L EPA 8260E 8115103 103 995 3 82 70-130 25 <br /> Toluene 34502-16 <0 50 400 400 41 9 + 399 ug/L EPA 8260B 8115103 105 998 4 89 70-130 25 <br /> Tert-Butanol 34502-16 <5 0 200 200 208 2051 ug/L EPA 82608 8115103 104 102 1 35 70-130 25 <br /> Methyl-t-Butyl Ether 34502-16 <0 50 400 1400 405 �� 39 7 ug/L EPA 82608 8115103 101 993 204 70-130 25 <br /> Benzene 34490-09 20 400 400 559 54 9 ug/L EPA 82608 8114103 891 867 279 70-130 25 <br /> Toluene 34490-09 <0 50 400 400 390 II 382 ug/L EPA 8260B 8114103 976 956 210 70-130 25 <br /> Tert-Butanol 34490-09 79 200 200 274 280' ug/L EPA 8260B 8114103 973 101 332 70-130 25 <br /> Methyl-t-Butyl Ether 34490-09 36, 400 1400 404 �I 40 2 ug/L EPA 8260B 8114103 921 91 5 0 681 70-130 25 <br /> �J <br /> f �I <br /> + <br /> f {{ <br /> _ V <br /> _ I <br /> i I <br /> 1 , <br /> I I 5 <br /> 4 <br /> e'ik4 ! <br /> Approved By I,J a lV <br /> KIFF ANAL`r?ICAC-, LLC <br /> 2795 2nd St, Suite 300 Daw A 95616 530-297-4800 ; <br /> 1 <br />