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U-iker <br /> acr Sento,Ave Ste S <br /> Sequoia Sacramento,CA Ste 8 <br /> I (916)921 9600 <br /> Analytical FAX(916)921-0100 <br /> www sequoialabs com <br /> Blaes Environmental Project U-Haul S309225 <br /> 1455 N 3rd Ave Project Number 709-50 Reported <br /> Plioenlx AZ,85005 Project Manager Steve Woodhill 10/16/03 15 28 <br /> Gasollne\BTEX\Oxygenates by EPA method 8260B- Quality Control <br /> I Sequoia Analytical- Sacramento <br />{ Reporting Spike Source %REC RPD <br /> L�a Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 3090177-EPA 5030B [P/TJ <br /> Blank(3090177-BLKl) Pre ared&Analyzed 09/11/03 <br /> I Tert butyl alcohol ND 5 0 ug/l <br /> Methyl tent-butyl ether ND 050 <br /> Di-isopropyl ether ND 050 " <br /> Ethyl cert-butyl ether ND 050 <br /> Tert-amyl metbyl ether ND 050 <br /> 1,2-Dichloroethane ND 050 <br /> 1,2-Dibromoethane(FDB) ND 050 " <br /> Gasoline Range Organics ND 50 A-01 <br /> Surrogate Toluene-d8 21 5 25 0 86 60-140 <br /> Surrogate 4-BFB 21 4 25 0 86 60-140 <br /> WSrruogate 1 2-DCA-d4 23 5 25 0 94 60-140 <br /> aboratur Control Sample 3090177-BS1 Pre ared&Analyzed 09/11/03 <br /> Methyl tent-butyl ether 23 2 050 ug/] 25 0 93 60-140 <br /> Surrogate Toluene-d8 11 6 250 86 60-140 <br /> Surrogate 4-BFB 23 8 25 0 95 60-140 <br /> Surrogate 1 2-DCA-d4 23 3 25 0 93 60-140 <br /> I Matrix Spike(3090177-MS1) Source 5309205-06 Prepared&Analyzed 09/11/03 <br /> Methyl tert-butyl ether 216 050 ug/l 25 0 ND 86 60-140 <br /> Surrogate Toluene-d8 21 7 15 0 87 60-140 <br /> Surrogate 4-BFB 21 0 15 0 84 60-140 <br /> ISurrogate 12-DCA-d4 222 25 0 89 60-140 <br /> Matrix S ike Du 3090177-MSD1) Source 5309205-06 Prepared&Analyzed 09/11/03 <br /> Methyl tert-butyl ether 21 7 050 ug/l 250 ND 87 60-140 0 5 25 <br /> Surrogate Toluene-d8 21 7 250 87 60-140 <br /> Surrogate 4-BFB 206 25 0 82 60-140 <br /> ISurrogate 12-DCA-d4 22 0 250 88 60-140 <br /> I <br /> equoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain <br /> I of custody document Unless otherwise stated results are reported on a wet weight <br /> basis This analytical report must be reproduced in its entirety <br /> Page 20 of 31 <br />