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1 <br /> Sequoia 819StnAve Ste Sacramentoio CA 95834834 <br /> Analytical FAX(9169 i 6)9219600 <br /> 921 0100 <br /> www sequoialabs com <br /> Blaes Emtronmental Project U-Haul S503448 <br /> ' 1433 11 3rd Ave Project Number 709-50 Reparted <br /> Phoenix AZ, 85003 Project Manager Steve Woodhull 04/05/05 08 41 <br /> Gasoline\BTEX\Oxygenates by EPA method 8260B- Quality Control <br /> Sequoia Analytical- Sacramento <br /> Reporting Spike Source %PEC RPD <br /> Analyte Result Limit Units Level Result %REC Limns RPD Limit Notes <br /> ' Batch 5030424-EPA 5030BJP/T] /EPA 8260B <br /> Matrix Spike Dup(5030424-MSDI) Source S503448-10 Prepared 03/25/05 Analyzed 03/26/05 <br /> 1 Methyl tert-butyl ether 434 050 ugA 432 ND 100 60 140 9 25 <br /> Benzene 28 5 0 50 26 8 ND 106 70 130 1 25 <br /> Toluene 167 0 50 152 066 109 70 130 06 25 <br /> ' Gasoline Range Organics(C4-C12) 1980 50 2200 ND 90 60 140 05 25 <br /> Surrogate 12-DCA-d4 912 10 0 91 60-140 <br /> Surrogate 7*oluene-d8 105 100 105 60-140 <br /> Surrogate 4-BFB 104 100 104 60-140 <br /> ' Batch 5030446-EPA 50308 IP/TL/EPA_8260B <br /> Blank(5030446-BLKI) Prepared&Analyzed 03/25/05 <br /> ' �1 Dtchioroethane ND 050 ugll <br /> hanol ND 50 <br /> Tert-butyl alcohol ND 5 0 <br /> Methyl tert-butyl ether ND 050 <br /> ' Di isopropyl ether ND 050 <br /> Ethyl tert-butyl ether ND 050 <br /> Tert-amyl methyl ether ND 050 " <br /> ' 1,2 Dichloroethane ND 050 i <br /> 1,2-Dibromoethane(ED9) ND 050 <br /> Benzene ND 050 <br /> Ethylbenzene ND 050 " <br /> Toluene ND 050 <br /> Xylenes(total) ND 050 <br /> Gasoline Range Organics(C4-C12) ND 50 " <br /> ' Surrogate 12-DCA-d4 916 100 93 60-140 <br /> Surrogate Toluene-d8 985 100 98 60-140 <br /> Surrogate 4-BFB 106 100 106 60-140 <br /> ' equoia Analytical-Sacramento The results in this report apply to the samples analyzed to accordance with the chain of <br /> custody document Unless otherwise stated results are reported on a wet weight basis <br /> 1 This analytical report must be reproduced in its entirely <br /> Page 25 of 4I <br />