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pp 7� aa 404 N.Wiget Lane <br /> + <br /> Sequoia Walnut Creek,CA 94598 <br /> (925)988-9600 <br /> Analytical <br /> al : FAX equo labs.c 73 <br /> =� (.L Y www.sequoialabs.com <br /> teettler Ryan,Inc.-Dublin ;� <br /> Project Chevron <br /> 6747 Sierra Court Suite J Project Number: Chevron#9-6258 Reported: <br /> DPublin CA,94568 Project Manager: Dearing L.Harding l l-Aug-00 07:27 <br /> { Volatile Organic Compounds by EPA Method 8260B <br /> ' Sequoia Analytical -Walnut Creek <br /> ,n <br /> 0 Reporting <br /> Analyte IResult Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> � a <br /> { MW-1 (WO07560-02)Water . Sampled: 27-Jul-00 00:00 Received:27-Jul-00 16:20 <br /> Ethanol ND 500 ugA I OH09012 09-Aug-00 09-Aug-00 EPA 8260B , <br /> tert=Butyl alcohol ND 100 <br /> j Methyl tent-butyl ether ND 2,0 „ <br /> Di-isopropyl ether ND 2.0 ^ ' <br /> „k <br /> Ethyl tert-butyl ether ND 2.0 <br /> tert-Amyl methyl ether ND 2.0 <br /> Surrogate:Dibromofluoromethane 110% 50-150 " <br /> Surrogate:1,2-Dichloroethane-l4 102% 50-150 ^ �' <br /> MW-2(W007560-03)Water Sampled: 27-Jul-00 00:00 Received. 27-Jul-0016:20 ' <br /> 1 Ethanol ND 500 ug/1 j 1 OH09012 09-Aug-00 09-Aug-00 EPA 8260B 1 <br /> tert-Butyl alcohol ND 100 <br /> Methyl tent-butyl ether ND 2.0 <br /> Di-isopropyl ether ND 2.0 <br /> F" '1 tert-butyl ether <br /> ND 2.0 <br /> t,.isryl methyl ether ND 2.0 <br /> Surrogate:Dibromofluoromethane 108% 50-150 " <br /> Surrogate:1,2 Dichloroethane-l4 104% 50-150 <br /> 'k <br /> MW-3(W007560-04)Water Sampled:27-Jul-00 00:00 Received:27-Jul-00 116:20 <br /> Ethanol ND 500 ugll L OH09012 09-Aug-00 09-Aug-00 EPA 8260E <br /> tent-Butyl alcohol ND 100 <br /> Methyl tert-butyl ether ND 2.0 ' ^ <br /> Di-isopropyl ether ND 2.0 <br /> Ethyl tert-butyl ether ND 2.0 " <br /> tert-Amyl methyl ether ND 2.0 ^ " <br /> Surrogate:Dibromofluoromethane 110% 50-150 <br /> Surrogate:1,2 Dichloroethane-d4 102% 50-ISO ^ <br /> d <br /> F <br /> i <br /> Ip <br /> .SeZoia Analytical-Walnut.Creek The results in this report apply to the samples analyaed in accordai`rce with the chain of <br /> custody document.This analytical report must be reproduced in its entirety. <br /> E <br /> Page 4 of 9 <br />