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819 Striker Ave Ste 8 <br /> 15) Sequoia Sacramento,CA 95834 <br /> (916)921-9600 <br /> Analytical FAX(916)921-0100 <br /> WWW.sequoialabs.wm <br /> i <br /> E Kleinfelder-Stockton Project:Del Monte S506462 <br /> 2825 East Myrtle Street Project Number]2280 Reported: <br /> Stockton CA,95205 Project Manager:Joe Zi Iles 07/07/05 16:49 <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 /> 4 Batch 5060409-EPA 5030B [P/TJ EPA 8260E <br /> I Blank(5060409-BLKI) Prepared&Analyzed:06/28/05 <br /> Tort-butyl alcohol ND 5.0 ugA <br /> ( Methyl tert•butyl ether ND 030 " <br /> Di-Isopropyl ether ND 0.50 it <br /> Ethyl Cert-butyl ether ND 0.50 <br /> Tert-amyl methyl ether ND 0150 <br /> Ethanol ND s0 <br /> 1,2-Dichloroethane ND 0.50 " <br /> 1,2-Dibromoethane(EDB) ND 0.50 <br /> I ' <br /> j Surrogate:1,2-DCA-d4 111,8 lO,o 108 60-140 <br /> I Laboratory Control Sample(5060409-BS1) Prepared&Anal zed:06128/05 <br /> Methyl tort-butyl ether 45.3 0.50 ug/I 43.2 105 60-140 <br /> Surrogate:l,.2-ACA-d4 11.3 " ro,o 113 60-I40 <br /> Matrix Spike 5060409-MSI) Source-,5506473-03 Prt pared&Analyzed.06/28/05 <br /> Methyl tort-butyl ether 152 0.50 ug/l 43.2 101 118 60-140 <br /> Surrogate,,1,2-DCA-d4 10,4 10.0 104 60-140 <br /> Matrix Spike Du (5060409-MSDt Source.5506473-03 Prepared gc Analyzed:06/28/05 <br /> Methyl Cert-butyl ether 144 0.50 ugrl 43.2 101 100 60-140 5 2$ <br /> Surrogate.1,2-DC444 10.6 10,0 106 60-140 <br /> I <br /> E <br /> ISequoia 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 /> Page 7 of 8 <br /> 1 <br /> ;I <br />