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819 Striker Avenue,Suite 8 <br /> Sequoia Sacramento, 92 95834 <br /> (916)921-960096W <br /> 4 <br /> 4D- <br /> FAX(916)921-0 100 <br /> Analytical www.seguolatabs.com <br /> Kleinfelder-Stockton Project: Del Monte S208165 <br /> 2825 East Myrtle Street Project Number: NIA Reported: <br /> Stockton CA,95205 Project Manager: Tony Martin 08/27/02 14:39 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical- Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyle Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 2080119-EPA 5030B [PIT] <br /> Blank(2080119-BLK1) Prepared&Analyzed: 08/14/02 <br /> Tert-butyi alcohol ND 5.0 ug/l <br /> Methyl tert-butyl ether ND 0.50 " <br /> Di-isopropyl ether ND 0.50 " <br /> Ethyl tent-butyl ether ND 0.50 <br /> Tert-amyl methyl ether ND 0.50 " <br /> 1,2-Dichloroethane ND 0.50 " <br /> 1,2-Dibromoethane(EDB) ND 0.50 " <br /> Surrogate.1,2-DCA-d4 24.2 25.0 97 60-140 <br /> Laboratory Control Sample(2080119-BS1) Prepared&Analyzed:08/14/02 <br /> Methyl tert-butyl ether 22.8 0.50 ug/l 25.0 91 60-140 <br /> +gate.•1,2-DCA-d4 23.9 25.0 96 60-140 <br /> Matrix Spike(2080119-MS1) Source:5208149-03 Prepared&Analyzed:08/14/02 <br /> Methyl tert-butyl ether 20.3 0.50 ug/1 21.8 ND 93 60-140 <br /> Surrogate:1,2-DCA-d4 25.4 25.0 102 60.140 <br /> Matrix Spike Dup(2080119-MSD1) Source:5208149-03 Prepared&Analyzed: 08/14/02 <br /> Methyl tert-butyl ether 19.2 0.50 ug/l 21.8 ND 88 60-140 6 25 <br /> Surrogate:l,2-DCA-d4 24.0 25.0 96 60-140 <br /> Batch 2080140-EPA 5030B [PIT] <br /> Blank(2080140-BLKI) Prepared&Analyzed:08/15/02 <br /> Tert-butyl alcohol ND 5.0 ug/l <br /> Methyl Cert-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 /> 1,2-Dichloroethane ND 0.50 <br /> .1,2-Dibromoethane(EDB) ND 0.50 <br /> Surrogate:l,2-DCA-d4 12.6 25.0 90 60-140 <br /> aoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document. This analytical report must be reproduced in its entirety. <br /> Page 14 of 16 <br />