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819 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA95834 <br /> (D— (916)921.9600 <br /> Analytical FAX(916)921.0100 <br /> www.sequoialabs.com <br /> i <br /> I <br /> Kleinfelder-Stockton Project:Del Monte S512301 <br /> 2825 East Myrtle Street Project Number:12280 Reported: <br /> Stockton CA,95205 Project Manager:Joe Ziiles 01/05/06 13:17 <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 %nREC Limits RPD Limit Dotes <br /> Batch 5120368-EPA 5030B (P/TI I PPA 8260B <br /> Blank(5120368-BLKI) Prepared: 12/21/05 Analyzed: 12/22/05 <br /> Tert-butyl alcohol ND 5.0 ug/1 <br /> Methyl tort-butyl ether ND 0.50 " <br /> Di-isopropyl ether ND 0.50 " <br /> Ethyl tert-butyl ether ND 0.50 " <br /> Teri-amyl methyl ether ND 0.50 " <br /> Ethanol ND 50 <br /> 1,2-Dichloroethane ND 0.50 " <br /> 1,2-Dibromoethane(EDB) ND 0.50 " <br /> Surrogate.-1,2-DCA-d4 9.43 10.0 94 60-140 <br /> Blank(5120368-BLK2) Prepared&Analyzed: 12/22/05 <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 tert-butyl ether ND 0.50 " <br /> Tert-amyl methyl ether ND 0.50 " <br /> Ethanol ND 50 " <br /> 1,2-Dichloroethane ND 0.50 " <br /> 1,2-Dibromoethane(EDB) ND 0.50 " <br /> Surrogate:1,2-DCA-d4 10.4 1110.0 104 60-140 <br /> Laboratory Control Sample(5120368-BSI) Prepared&Analyzed: 12/21/05 <br /> Methyl tert-butyl ether 20.2 0.50 ugA 20.0 101 60-140 <br /> Surrogate:1,2-DCA-d4 8.97 10.0 90 60-140 <br /> Laboratory Control Sample(5120368-BS2) Prepared&Analyzed: 12/22/05 <br /> Methyl tert-butyl ether 19.8 0.50 ugA 20.0 99 60-140 <br /> Surrogate:1,2-DCA-d4 10.4 10.0 104 60-140 <br /> Sequoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document.Unless otherwise stated,results are reported on a wet weight basis. <br /> i <br /> This analytical report roust be reproduced in its entirety. <br /> i <br /> Page 9 of 12 <br /> I <br />