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Sequoia 8195Ave Sic 4 <br /> Sacramentoento CA 9588 34 <br /> (916)921 9600 <br /> Analytical FAX(916)9210100 <br /> . www sequoialabs com <br /> Blaes Environmental Project U-Haul S503448 <br /> ' 1433 N 3rd Ave Project Number 709-50 Reported <br /> Phoenix AZ,85003 Project Manager Steve Woodhull 04/05/05 08 41 <br /> Gasoline\BTEXIOxygenates by EPA method 8260B - Quality Control <br /> ' Sequoia Analytical - Sacramento <br /> Reponing Spike Source %REC RPD <br /> Analyte Result Limit Units level Result %R£C Limits RPD Limit Notes <br /> Batch 5030446-EPA 5030B [P/TJ 1 EPA 8260B <br /> Blank(5030446-BLK2) Prepared&Analyzed 03/26/05 <br /> Ethanol ND 50 ug/l <br /> Tert butyl alcohol ND 5 0 <br /> Methyl tert-butyl ether ND 050 " <br /> Dt-ts0pr0pyl ether ND 050 <br /> Ethyl tert-butyl ether ND 050 <br /> Tert amyl methyl ether ND 050 <br /> 1 2-Dichloroethane ND 050 <br /> ' <br /> 1,2-Dibromoethane(EDB) ND 0 50 <br /> Benzene ND 050 <br /> Ethylbenzene ND 050 <br /> ' Iuene ND 0 50 i <br /> lenes(total) ND 0 50 <br /> Gasoline Range Organics(C4-C12) ND 50 <br /> Suriogam I2-DCA-d4 923 100 91 60-140 <br /> ' Surrogate Toluene-d8 9 81 1190 98 60-140 <br /> Surrogate 4-BFB 112 100 112 60-140 <br /> Laboratory Control Sample(5030446-BSI) Prepared&Analyzed 03/25/05 <br /> ' Methyl tert-butyl ether 193 050 ug/l 20 0 96 60-140 <br /> Benzene 212 050 200 106 70-130 <br /> Toluene 198 050 20 0 99 70-130 <br /> Surrogate 12-DCA-d4 9 43 100 94 60-140 <br /> ' Surrogate Toluene-d8 927 100 93 60-140 <br /> Surrogate 4-BF8 9 84 100 98 60-140 <br /> ' Laboratory Control Sample(5030446-BS2) Prepared&Analyzed 03/25/05 <br /> Methyl cert-butyl ether 42 l 050 ugA 43 2 97 60-140 <br /> Benzene 272 050 268 101 70-130 <br /> Toluene 172 050 152 113 70-130 <br /> ' Gasoline Range Organics(C4-C12) 2150 50 2200 98 70-130 <br /> Surrogate 1 1-DCA-d4 946 100 93 60-140 <br /> Surrogate Toluene-d8 107 100 107 60-140 <br /> Surrogate 4-BFB 107 100 107 60-140 <br /> Si' equota Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document Unless otherwise stated results are reported on a wet weight basis <br /> This analytical report must be reproduced in its entirety <br /> ' Page 26 of 41 <br />