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Sequoia 8145ento Ave Ste 4 <br /> Sacramento CA 9588 34 <br /> (916)921-9600 <br /> Analytical FAX(916)921 0100 <br /> www sequoialabs cont <br /> Geological Technics,Inc Project Moritas Bros 5501355 <br /> ' 1101 7th Street Project Number 724 2 Reported <br /> Modesto CA,95354 Project Manager Mandeep Singh 01/28/05 11 51 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> ' Sequoia Analytical - Sacramento <br /> Reporung <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Noto <br /> ' MW-107(5501355-11)Water Sampled 01/12/05 12 43 Received 01/14/05 08 20 <br /> Tert-butyl alcohol ND 50 ug/I 1 5010324 01/23/05 01/24/05 EPA 8260B <br /> Methyl tent-butyl ether 66 050 <br /> ' Di-isopropyl ether ND 050 <br /> Ethyl tert-butyl ether ND 050 " <br /> Tert-amyl methyl ether ND 050 <br /> 1,2-Dichloroethane ND 050 <br /> 1,2-Dibromoethane(EDB) ND 050 <br /> Surrogate 12-DCA-d4 109% 60-140 <br /> MW-108(5501355-12)Water Sampled 01/13/05 11 29 Received 01/14/05 08 20 <br /> 1 Tert-butyl alcohol ND 50 ug/l 1 5010324 01/23/05 01/24/05 EPA 8260E <br /> Methyl tert-butyl ether ND 050 <br /> Di-isopropyl ether ND 050 <br /> Ethyl tert-butyl ether ND 050 " <br /> rt-amyl methyl ether ND 050 <br /> 2-Dichloroethane ND 050 " <br /> 1,2-Dibromoethane(EDB) ND 050 <br /> ' Surrogate 1,2-DC-444 106% 60-140 <br /> MW-109(S501355-13)Water Sampled 01/12/05 13 50 Received 01/14/05 08 20 <br /> Tert-butyl alcohol ND 50 ug/l 1 5010324 0I/23l05 01/24/05 CPA 8260B <br /> Methyl tert-butyl ether 15 050 <br /> Di-isopropyl ether ND 050 <br /> Ethyl tent-butyl ether ND 050 <br /> Tert-amyl methyl ether ND 050 " « <br />' 1,2-Dichloroethane ND 050 <br /> 1,2-Dibromoethane(EDB) ND 050 <br /> Surrogate 12-DCA-d4 105% 60-140 " <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 12 of 19 <br /> 1 <br />