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' a <br /> 404 N.Wiget lane <br /> Walnut Geek, CA 94598 <br /> Sequoia (925)988-9600 <br /> FAX(925)988-9673 <br /> Analytical ,�tti„-�oolala�.�tn <br /> Gettler Ryan,Inc.-Dublin Project: Chevron <br /> 6747 Sierra Court Suite J Project Number: Chevron 4 911275 Reported: <br /> Dublin CA,94568 Project Manager: Deanna L.Harding 15-Mar-Ol 10:45 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - Walnut Creek <br /> Reporting <br /> 'Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW4(W103066-06)Water Sampled: 02-Mar-01 07:33 Received: 02-Mar-01 16:05 <br /> Ethanol ND 500 uO 1 1005013 06-Mar-01 06-Mar-01 EPA 8260E <br /> tert-Butyl alcohol ND 50 <br /> Methyl tert-butyl ether 96 2.0 <br /> Di-isopropyl ether ND 2.0 <br /> Ethyl tert-butyl ether ND 2.0 „ <br /> tent-Amyl methyl ether ND 2.0 „ <br /> 1,2-Dichloroethane ND 2.0 <br /> „ <br /> Ethylene dibrornide ND 2.0 <br /> Surrogate:Dibrorno luoromethane 110 % 50-150 lo" <br /> Surrogate,•1,2-Dichloroethane-d4 94.4% 50-150 " <br /> MW-5(W103066-07)Water Sampled: 02-Mar-01 08:13 Received: 02-Mar-01 16:05 <br /> Ethanol ND 500 ugll I IC05013 06-Mar-01 06-Mar-01 EPA 8260B <br /> tent- tyl alcohol ND 50 <br /> M.W tert-butyl ether 7.5 2.0 „ <br /> D1-isopropyl ether ND 2.0 <br /> Ethyl tert-butyl ether ND 2.0 <br /> tent-Amyl methyl ether ND 2.0 <br /> 1,2-Dichloroethane ND 2.0 <br /> Ethylene dibromide ND 2.0 N <br /> Surrogate:DibromoJluoromethane 117% 50-150 <br /> Surrogate: 1,1 Dichloroethane-d4 <br /> 105% 50-150 <br /> MW-6(W103066-08)Water Sampled: 02-Mar-01 08:41 Received:02-Mar-01 16:05 <br /> 1 1005013 06-Mar-01 06-Mar-01 EPA 8260B <br /> Ethanol ND 500 ug/1 <br /> tert-Butyl alcohol ND 5o „ <br /> Methyl ctrl-butyl ether <br /> ND 2.0 <br /> Di-isopropyl ether ND 2.0 <br /> Ethyl tert-butyl ether ND 2.0 „ <br /> r <br /> teR-AmND 2.0yl methyl ether „ <br /> 1,2-Dichloroethane ND 2.0 <br /> Ethylene dibratnide ND 2.0 N <br /> Surrogate:DibromoJluoromethane 113 % 50-150 N <br /> Surrogate: 1.2-Dichloroethane-l4 98.4% 50-150 <br /> a Analytical -Walnut Creek The results in this report apply to the samples analyzed in accordance with the chain of <br /> S <br /> custody document. This analytical report must be reproduced in its entirety. <br /> Page 7 of 14 <br /> t� <br />