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1 <br /> • 819 Striker Ave Ste 8 <br /> °\ Sequoia Sacramento,CA 95834 <br /> '' ""° Analytical (916)921-9600 <br /> � FAX(916)921-0100 <br /> www.sequoialabs.com <br /> i <br /> f <br /> Kleinfelder-Stockton Project:Del Monte S506471 <br /> 2825 East Myrtle Street Project Number]2280 Reported: <br /> Stockton CA,95205 Project Manager:Joe Zilles 07/06/05 18:35 <br /> Volatile Organic Compounds by EPA Method 8260B- Quality Control <br /> ;f <br /> Sequoia Analytical- Sacramento <br /> { ' Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result '9/eREC Limits RPD Limit Notes <br /> Batch 5060409-EPA 5030E JP/TJ I EPA 8260E <br /> Blank(5060409-BLKI) Prepared&Analyzed:06/28/05 <br /> Tett-butyl alcohol ND 5.0 ug/l <br /> Methyl tert•hutyl ether ND 0.50 " <br /> Di-isopropyl ether ND 0150 " <br /> Ethyl tert-butyl ether ND 0.50 " <br /> Tert-amyl methyl ether ND 0150 " <br /> f <br /> Ethanol ND 50 " <br /> 1,2-Diahloroethano ND 0150 " <br /> 1,2-Dibromoethane(EDD) ND 0150 " <br /> Surrogate,-1,2-DCA-d4 10.8 1010 108 60.140 <br /> i <br /> Laboratory Control Sample(5060409-BSI P aced&Analyzed:06128.105 <br /> Methyl tort-butyl ether 45.3 0.50 u911 43.2 105 60.140 <br /> Surrogate;),2-DCA-d4 11,1 " 10.0 113 60.140 <br /> Matrix Spike 5060409-MSI) Source:5506473-03 PrIval IA&Analyzed,,06/28/05 <br /> Methyl tent-butyl ether 152 0.50 ugA 43.2 101 118 60-140 <br /> Surrogate:l„2-DC4-d4 10.4 or 10.0 104 60-140 <br /> Matrix S lke Du (5060409-MSDI) Source:$506473-03 Prepared&Anal zed:06/28/05 <br /> Methyl tort-butyl ether 144 0.50 usl 43.2 lot loo 60.140 5 25 <br /> Surrogate:1,1-DCrt-d4 1016 10.0 106 60-140 <br /> i <br /> 1 <br /> V . <br /> I. <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 /> ( This analytical report must be reproduced in its entirety. <br /> } <br /> 4 <br /> Page 6 of 7 <br /> t <br />