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819 Strilcer Ave 5re 8 <br /> Sequoia Sacramento,CA 95834 <br /> a_ ' <br /> Analytical FAX(916)921 9600 <br /> (916)921-0100 <br /> www sequoialabs corn <br /> Blaes Euvirontnental Project U-Haul 5349225 <br /> 141111 3rd Ave Project Number 709-50 Reported <br /> Phoenix AZ,85005 Project Manager Steve Woodhill 10/16/03 15 28 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical - Sacramento <br /> Reporting Spite Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 3090192-EPA 5030B JP/TJ <br /> Laboratory Control Sample(3090192-BSI) Prepared&Analyzed 09/12/03 <br /> Benzene 22 4 0 50 ug/I 25 0 90 70-130 <br /> Chlorobenzene 22 8 050 250 91 70-130 <br /> 1,1-Dichloroethene 23 1 050 25 0 92 70-130 <br /> I Toluene 22 5 050 25 0 90 70-130 <br /> Trichloroethene 20 5 0 50 25 0 82 70-130 <br /> Surrogate Dibromofluoronrethane 21 7 25 0 87 70-130 <br /> Surrogate 12-DCA-d4 22 8 25 0 91 70 130 <br /> Surrogate Toluene-d8 21 3 25 0 85 70-130 <br /> Surrogate 4-BFB 21 6 25 0 86 70-130 <br /> Matrix Spike(3090192-MS 1) Source 5309244-02 Prepared&Analyzed 09/12/03 <br /> 10 enzene 23 0 050 ug/l 25 0 ND 92 60-140 <br /> hlorobenzene 22 5 050 25 0 ND 90 60-140 <br /> 1,1-Drchloroethene 23 7 050 250 ND 95 60-140 <br /> Toluene 22 5 050 i 25 0 ND 90 60-140 <br /> Trichloroethene 35 1 0 50 25 0 19 64 60-140 <br /> Surrogate Dibionroflaoronwiliane 220 25 0 88 70-130 <br /> Surrogate 12-DCA-d4 21 6 250 90 70-130 <br /> Surrogate Toluene-d8 21 0 " 250 84 70-130 <br /> Surrogate 4-BFB 214 250 86 70-130 <br /> Matrix Spike Du (3090192-MSD1) Source S309244-02 -Prepared&Anal zed 09/12/03 <br /> Benzene 216 050 ugfl 25 0 ND 86 60-140 6 25 <br /> Chlorobenzene 22 1 050 250 ND 88 60-140 2 25 <br /> 1,1-Drchloroethene 23 4 050 250 ND 94 60-140 1 25 <br /> Toluene 21 7 050 i; 250 ND 87 60-140 4 25 <br /> Trichloroethene 339 050 250 19 60 60-140 3 25 <br /> Surrogate Dibro mofluoro methane 230 250 92 70-130 <br /> Surrogate 1 2-DCA-d4 236 2.50 94 70-130 <br /> Surrogate Toluene-d8 214 n 250 86 70-130 <br /> Surrogate 4-BFB 229 250 92 70-130 <br /> I <br /> �quola 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 be reproduced in its entirety <br /> Page 30 of 31 <br />