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- ♦ Sequoia 814 Striker Ave Ste 8 <br /> + Sacramento CA 95$34 <br /> Analytical (916)921-9600 <br /> ' FAX(916)92 1 0100 <br /> www sequoialabs coin <br /> Blaeb Environtneutal Project U-Haul 5312286 <br /> 1455 N 3rd Ave Project Number 709-50 Reported <br /> Phoenix AZ,85005 Project Manager Steve Woodllll] 01/07/04 14 49 <br /> GasollneMEMOxygenates by EPA method 8260B - Quality Control <br /> Sequoia AnaIytical- Sacramento <br /> Reporting Spike Source %REC RPD <br /> FA..lyte Result Lunit Units Level Result '/.REC Limas RPD Limit Notes <br /> Batch 3120332 -EPA 5030B jP/TJ <br /> Laboratory Control Sample(3120332-BSI) Prepared&Analyzed 12/22/03 <br /> Methyl tert-butyl ether 22 2 0 50 ug/1 20 0 ill 60-140 <br /> Benzene 19 9 0 50 20 0 100 70 130 <br /> E Toluene 202 0 50 r 20 0 101 70-130 <br /> Surrogate Toluene-d8 14 8 25 0 99 60-140 <br /> Surrogate 4-BFB 248 25 0 99 60-140 <br /> Surrogate 12-DCA-d4 260 15 0 104 60-140 <br /> Matrix Spike 3120332-MS1 Source 5312311-03 Prepared 12/22/03 Anal zed 12/23/03 <br /> Methyl tert-butyl ether 21 4 0 50 ugll 20 0 ND 107 60-140 <br /> Benzene 19 2 0 50 20 0 ND 96 70 130 <br /> Toluene 203 0 50 20 0 ND 102 70-130 <br /> rrogaie Toluene d8 243 25 0 97 60 140 <br /> uii ogate 4-BFB 23 9 25 0 96 60-140 <br /> Sutiogate 1 2-DCA-d4 26 7 15 0 107 60-140 <br /> Matrix Spike Du 3120332-MSD1 Source 5312311-03 Prepared 12/22/03 Analyzed 12/23/03 <br /> Methyl tent-butyl ether 21 1 0 50 ug/l 20 0 ND 106 60-140 1 25 <br /> Benzene 18 4 0 50 i 20 0 ND 92 70-130 4 25 <br /> Toluene 19 1 0 50 200 ND 96 70-130 6 25 <br /> Surrogate Toluene-d8 24 7 25 0 99 60-140 <br /> ESurrogate 4-BFB 244 250 98 60-140 <br /> Surrogate 12-DCA-d4 271 15 0 108 60-140 <br /> 1 <br /> E �tlota Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain <br /> of custody document Unless otherwise stated results are reported on a wet weight <br /> basis This analytical report must he reproduced in its entirety <br /> 3I of 35 <br />