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Sequoia 819 Striker Ave Ste 8 <br /> Sacramento,CA 95834 <br /> Analytical (916)921-9600 <br /> FAX(916)921-0100 <br /> www.sNuoialsbs.com <br /> Kleinfelder-Stockton Project:Del Monte S412522 <br /> 2825 Fast Myrtle Street Project Number:N/A Reporled: <br /> Stockton CA,95205 Project Manager:Joe Ziiles 01/04/05 18:49 <br /> Volatile Organic Compounds by EPA Method 8260B- Quality Control <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD limit Notes <br /> Batch 4120407-EPA 5030B [P/TJ EPA 8260B <br /> Blank(4120407-BLK1) Prepared: 12/30/04 Analyzed: 12/31/04 <br /> Tert-butyl alcohol ND 5.0 ug/I <br /> Methyl tert-butyl ether ND 0,50 " <br /> Di-isopropyl ether ND 0,50 " <br /> ( Ethyl Cert-butyl ether ND 0.50 <br /> Tert-amyl methy[ether ND 0.50 <br /> Ethanol ND 50 " <br /> 1,24Dic1loroethane ND 0.50 " <br /> 1,2-Dibromoethane(EDB) ND 0,50 " <br /> Surrogate. 1,2-DCA-d4 8.44 10.0 84 60-140 <br /> Laboratory Control Sample(4120407-BSI) Prepared&Analyzed; 12/30/04 <br /> Methyl Cert-bury[ether 16.4 0.50 ug/I 20.0 82 60-140 <br /> Surrogate. 1,2-DCA-d4 8,30 10,0 83 60-140 <br /> + Laboratory Control Sample(4120407-BS2) Prepared&Analyzed: 12/30/04 <br /> I Methyl tert-butyl ether 35.7 0.50 ug/I 43.2 83 60-140 <br /> II Surrogate: 1,2-DCA-d4 9.10 10.0 91 60-140 <br /> Laboratory Control Sample(4120407-BS3) Prepared&Analyzed:01/03/05 <br /> Methyl tert-butyl I ether <br /> Y h' 16.0 0,50 ug/l 20.0 80 60-140 <br /> Surrogate:1,2-DCA-d4 8.07 10.0 81 60-140 <br /> Matrix Spike(4120407-MSI) Source:S412472-01 Prepared: 12/30/04 Analyzed: 12/31/04 <br /> Methyl tert-bury!ether 17.1 050 ug/I 20,0 0.45 83 60-140 <br /> Surrogate;1,2-DCA-d4 8.39 10.0 84 60-140 <br /> l Matrix Spike Du (4120407-MSDI) Source:S412472-01 Prepared: 12/30/04 Analyzed: 12/31/04 <br /> Methyl tert-butyl ether 17.3 0.50 ug/l 20.0 0.45 84 60-140 1 25 <br /> Surrogate.-42-DCA-d4 8.27 10.0 83 60-140 <br /> f <br /> l <br /> Sequoia Analytical-Sacramento The results in This report apply to the samples analyzed in accordance with the chain or <br /> i. custody document. Unless otherwise stated,results are reported on a wei weight basis. <br /> This analytical report must be reproduced in its enth•ety. <br /> Page 10 of I 1 <br />