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I <br /> Sequoia 819 Striker Ave Ste 8 <br /> I Z Sacramento CA 95834 <br /> Analytical (916)921-9600 <br /> J <br /> FA-K(916)921-0100 <br /> www sequetalabs com <br /> Blaes Environmental Project U-Haul S312286 <br /> 1455 N 3rd Ave Project Number 709-50 Reported <br /> Phoenix AZ,85005 Project Manager Steve Woodhill 01/07/04 14 49 <br /> Gasohne\BTEX\Oxygenates by EPA method 8260B - Quality Control <br /> Sequoia Analytical -Sacramento <br /> Reporting Spike Source %REC RPD <br /> [A,,tyte Result Limit Un tis Level Result %REC Limits RPD Limit Notes <br /> Batch 3120316-EPA 5030B [PIT] <br /> Matrix Spike(3120316-MSI) Source 5312286-05 Prepared 12/21/03 Analyzed 12/22/03 <br /> Methyl tett-butyl ether 219 050 ug/l 24 8 ND 88 60-140 <br /> Benzene 13 1 050 160 0 42 79 70-130 <br /> Toluene 86 2 050 742 ND 116 70-130 <br /> Surrogate Toluene-d8 25 0 25 0 100 60-140 <br /> Surrogate 4-BFB 246 25 0 98 60-140 <br /> Surrogate 12-DCA-d4 277 25 0 III 60-140 <br /> Matrix Spike Du 3120316-MSD1 Source 5312286-05 Prepared 12/21/03 Analyzed 12/22/03 <br /> Methyl tert-butyl ether 23 5 050 ug/t 248 ND 95 60-140 7 25 <br /> Benzene 12 5 0 50 16 0 0 42 76 70-130 5 25 <br />'��Olrrogx, <br /> 824 0 50 74 2 ND �98 <br /> 70-l30 2Tolateire d825 2 25 0 60-140-BFB 24 6 25 0 60-140 <br /> Sun ogate 12-DCA d4 275 25 0 110 60-140 <br /> Batch 3120332 -EPA 50308 fPITI <br /> I31ank 3120332-BLK1 Prepared 12/22/03 Analvzed 12/23/03 <br /> Ethanol ND 50 ug/l <br /> Tert-butyl alcohol ND 5 0 <br /> Methyl tert-butyl ether ND 0 50 " <br /> Di-isopropyl ether ND 0 50 <br /> Ethyl tert-butyl ether ND 0 50 <br /> Tert-amyl methyl ether ND 0 50 " <br /> 1,2-Dichloroethane ND 0 50 " <br /> i 1,2 Dibromoethane(EDB) ND 0 50 <br /> f Benzene ND 0 50 <br /> Ethylbenzene ND 0 50 " <br /> i Toluene ND 0 50 <br /> e` Xylenes(total) ND 0 50 <br /> Surrogate Toluene-d8 255 250 !02 60-140 <br />` Surrogate 4-BFB 25 0 250 100 60-140 <br /> Surrogate 12-DCA-d4 271 250 108 60-140 <br /> oia Analytical-Sacmmento The results in this report apply to the samples analyzed to accordance with the chain <br /> of custody document Unless otherwise stated results are reported on a wet weight <br /> 1 basis This analytical report must be reproduced in its entirety <br /> I30 of 35 <br />