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1 <br /> 819 Smker Ave Ste 8 <br /> Sequoia Sacramento CA 95834 <br /> AA (916)921-9600 <br /> nalytical FAX(916)9210100 <br /> www sequoialabs cam <br /> Blaes Environmental Project U-Haul 5503448 <br /> 1433 N 3rd Ave Project Number 709-50 Reported <br /> Phoenix AZ,85003 Project Manager Steve Woodhull 04/05'05 08 41 <br /> Gaso11neWEX\Oxygenates by EPA method 8260B- Quality Control <br /> ' Sequoia Analytical - Sacramento <br /> Reporting Spike Source %R-EC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RAD Limit Notes <br /> Batch 5030424-EPA 5030B [P/TJ /EPA 8260B <br /> Laboratory Control Sample(5030424-BSI) Prepared&Analyzed 03/24/05 <br /> ' Methyl tent-butyl ether 435 050 ug/l 432 101 60 140 <br /> Benzene 286 050 26 8 107 70 130 <br /> Toluene 160 0 50 152 105 70 130 <br /> Gasoline Range Organics(C4-C121 2020 50 " 2200 92 10-130 <br /> Surrogate 1 2-DCA-d4 10 0 10 0 100 60-140 <br /> Surrogate Toluene-d8 10 0 10 0 100 60-140 <br /> Surrogate 4-BF8 108 10 0 108 60-140 <br /> ' Laboratory Control Sample(5030424-BS2) Prepared &Analyzed 03/25/05 <br /> Methyl tert butyl ether 193 050 ugll 20 0 96 60 140 <br /> Benzene 21 2 050 20 0 106 70 130 <br /> ' Adlbnluene 199 0 50 i 20 0 99 70 130 <br /> arrogate 1 2-DCA-d4 943 10 0 94 60-140 <br /> Surrogate Toluene-d8 927 10 0 93 60-140 <br /> ' Surrogate 4-BFB —� 984 " 10 0 98 60-140 <br /> Laboratory Control Sample Dup(5030424-BSDI) Prepared&Analyzed 03/25/05 <br /> Methyl tert-butyl ether 421 050 ug/1 43 2 97 60-140 3 25 <br /> ' Benzene 27 2 0 50 1; 26 8 101 70-130 5 25 <br /> Toluene 172 0 50 152 113 70-130 7 25 <br /> Gasoline Range Organics(C4-C12) 2150 50 2200 98 70-130 6 25 <br /> Surrogate 11-DCA-d4 946 100 95 60-140 <br /> ' Surrogate Toluene-d8 10 7 100 107 60-140 <br /> Surrogate 4-BFB 10 7 100 107 60-140 <br /> Matrix Spike(5030424-MSI) Source S503448-10 Prepared 03/25/05 Analyzed 03/26/05 <br /> ' Methyl cert-butyl ether 396 050 ug/l 432 ND 92 60-140 <br /> Benzene 288 050 268 ND 107 70-130 <br /> Toluene 166 050 152 066 109 70-130 <br /> ' Gasoline Range Organics(C4-C12) 1970 50 " 2200 ND 90 60-140 <br /> Surrogate 1 1-DCA-d4 917 10 0 93 60-140 <br /> Surrogate Toluene-d8 9 73 10 0 97 60-140 <br /> Surrogate 4 BFB 103 10 0 103 60-140 <br /> 6equoia 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 /> 1 <br /> Page 24 of 41 <br />