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! p 819 Striker Avenue,Suite 8 <br /> Sequoia Sacramento, 92 95834 <br /> 4 (916)921-9600 <br /> FAX(916)921-0100 <br /> a_ _ Analytical www.sequoialabs.com <br /> I <br /> I <br /> i ,Kleinfelder-Stockton Project: Del Monte S503636 <br /> 2825 East Myrtle Street Project Number: 12284 Reported: <br /> Stockton CA,95245 Project Manager: Joe Zilles 04/06/05 19:50 <br /> E Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> I <br /> Sequoia Analytical - Sacramento <br /> ! Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> �. latch 5030469-EPA 5030B IP/T1 /EPA 8260B <br /> Laboratory Control Sample(5030469-BS1) Prepared&Analyzed: 03/28/05 <br /> Methyl tert-butyl ether ' 20.7 0.50 ug/l 20.0 104 60-140 <br /> lurrogale. 1,2-DCA-d4 9.72 10.0 97 •60-140 <br /> Laboratory Control Sample(5030469-BS2) Prepared&Analyzed: 03/28/05 <br /> :Methyl tert-butyl ether 43.9 0.50 ug/l 43.2 102 60-140 <br /> i >tu•rogate: l,2-DCA-d4 9.62 10.0 96 60-140 <br /> Laboratory Control Sample Dup(5030469-BSDI) Prepared&Analyzed:03/29/05 <br /> Aethyl tert-butyl ether 20.6 0.50 ug/I 20.0 103 60-140 0.5 25 <br /> surrogate: 1,2-DCA-d4 10.1 10.0 101 60-140 <br /> Matrix Spike(5030469-MSI) Source:5503665-02 Prepared&Analyzed:03/29/05 <br /> V1.tert-butyl ether 20.9 0.50 ug/I 20.0 ND 104 64-140 <br /> ..ogate:1,2-DCA-d4 11.6 10.0 116 60-140 <br /> Matrix Spike Dup(5030469-MSD1) Source: 5503665-02 Prepared&Analyzed: 03/29/05 <br /> vlethyl tert-butyl ether 19.9 0.50 ug/I 20.0 ND 100 60-140 4 25 <br /> Surrogate: 1,2-DCA-d4 11.6 10.0 116 60-140 <br /> I <br /> .4uoia 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 /> E <br /> E Page 13 of 14 <br />