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Sequoia $19StnkcrAve Ste <br /> Sacramento,CA 95$8 <br /> ra344 <br /> ' (916)921-9600 <br /> Analytical FAX(916)9210100 <br /> www sequoialabs tom <br /> 1 <br /> Blaes Environmental Project U-Haul 5409006 <br /> 1455 N 3rd Ave Project Number 709-50 Reported <br /> Phoenix AZ,85005 Project Manager Steve Woodhill 09/17/04 18 09 <br /> Volatile Organic Compounds by EPA Method 8260B- Quality Control <br /> 1 Sequoia Analytical- Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Rcsult %REC Limits RPD Limit Notes <br /> ' Batch 4090144-EPA 5030B [P/Tl <br /> Matrix Spike Dup(4090144-MSD1) Source 5409119-03 Prepared 09/13/04 Analyzed 09/14/04 - <br /> ' Benzene 208 0 50 ugA 200 ND 104 60-140 4 25 <br /> Chlorobenzene 200 050 200 ND 100 60-140 3 25 <br /> 1,l-Dichloroethene 23 5 050 200 ND 118 60-140 29 25 QC21 <br /> ' Toluene 199 0 50 200 ND 100 60-140 2 25 <br /> Trichloroethene 197 050 200 ND 98 60-140 8 25 <br /> Surrogate DibromoJluoromethane 101 10 0 102 70-130 <br /> Surrogate 12-DCA-d4 8 82 10 0 86 70-130 <br /> Surrogate Toluene-d8 9 67 100 97 70-130 <br /> Surrogate 4-BFB 990 100 99 70-130 <br /> r - <br /> t <br /> quota 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 repos t must be reproduced in its entirety <br /> Page 43 of 44 <br />