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819 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> { ] (916)921-9600 <br /> I A n aly t}ical PAX(916)921-0100 <br /> www.sequoialftcom . <br /> Kleinfelder-Stockton Project: Del Monte 5212260 <br /> 2825 East Myrtle Street Project Number: 12280 Reported: <br /> Stockton CA,95205 Project Manager: Joe Zilles 02/21/03 11:53 <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 2120269-EPA 5030B [PIT] <br /> Blank(2120269-BLK1) Prepared&Analyzed: 12/17/02 <br /> Tert-butyl alcohol ND 5.0 ug/I <br /> Methyl tcrt-butyl ether ND 0.50 " <br /> Di-isopropyl ether ND 0.50 " <br /> Ethyl ten-butyl ether- ND. 0.50 " <br /> Tert-amyl methyl ether ND 0.50 <br /> Ethanol ND 50 " <br /> I. <br /> 1,2-Dichloroethane ND 0.50 " <br /> E <br /> 1,2-Dibromoethane(EDB) ND 0.50 " <br /> Surrogate:l,2-DCA-d4 30.0 25.0 110 60.140 <br /> Laboratory'Control Sample(2120269-BSI) Prepared&Analyzed: 12/17/02 <br /> Methyl tert-butyl ether 19.8 0.50 ug/l 22.4 88 60-140 <br /> Surrogate:1,2-DCA-d4 34.5 25.0 138 60-140 <br /> Matrix Spike 2120269-MS1) Source:S212204-05 Prepared&Analyzed: 12/17/02 <br /> Methyl tert-butyl ether 17.4 0.50 ug/l 22.4 0.79 74 60-140 <br /> Surrogate:1,2-DCA-d4 27.4 25.0 110 60-140 <br /> Matrix Spike Duup(2120_26.9_-_MS_DI) Source:_S212204-05 Prepared&Analyzed: 12/17/02 - <br /> Methyl tert-bury]ether 18.2 0.50 ug/1 22.4 0.79 78 60.140 4 25 <br /> Sum agate:l,2-DCA-d4 29.1 15.0 117 60-140 <br /> Batch 2120304-EPA 5030B [PIT <br /> Blank(2120304-BLKI) Prepared&Analyzed: 12/18/02 <br /> Tert-butyl alcohol ND 5.0 ugll <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 mothyl ether ND 0.50 " <br /> Ethanol ND 50 " <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 /> Page 13 of 15 <br />