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0 <br /> Report Number 34397 <br /> QC Report Matrix Sp, el Matrix Spike Duplicate Date 8/11/2003 <br /> Project Name ARC Pump $ Weld <br /> Project Number <br /> i <br /> I <br /> Duplicate Spiked <br /> Duplicate Spiked Spiked Sample Relative <br /> Spike Spiked Spiked Sample Sample Relative Percent Percent <br /> SpiFed Sample Spike Dup Sample Sample Analysis bate Percent Percent Percent Recov Diff <br /> Parameter San ple Value Level Level Value Value Units Method Analyzed Recov Recov Diff Limit Limit <br /> Benzene 34394-03 21 394 400 598 605 ug/L EPA 82606 818103 98 1 982 0 152 70-130 25 <br /> Toluene 343')4-03 12 394 40 0 532 54 0 ug/L EPA 82606 818103 104 104 0 179 70-130 25 <br /> Tert-Butanol 343)4-03 11 197 200 190 199 ug/L EPA 8260B 818103 90 8 939 334 70-130 25 <br /> Methyl-t-Butyl Ether 343,14-03 40 39 4 400 809 768 uglL EPA 8260B 818103 103 908 123 70-130 25 <br /> Benzene 343 )7-04 087 400 400 409 397 uglL EPA 8260B 818103 100 970 314 70-130 25 <br /> Toluene 343 )7-04 <0 50 400 400 466 454 uglL EPA 82608 818103 116 113 267 70-130 25 <br /> Tert-Butanol 34397-04 <50 200 200 201 198 ug/L EPA 8260B 818103 100 992 120 70-130 25 <br /> Methyl-t-Butyl Ether 34397-04 <0 50 400 400 351 353 ug/L EPA 8260B 818103 878 882 0 511 70-130 25 <br /> Approved By !e atil '`�i <br /> KIFF ANALYTICAL LLC p ff <br /> 2795 2nd St, Suite 300 Davis, CA 95616 530-297-4800 4r � <br />