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• 404 N Wiget Lane <br /> S e qu o l a Walnut Creek CA 94598 <br /> (925)988-9600 <br /> Analytical FAX egijo alabs c 73 <br /> www sequoialabs com <br /> Gi ttler RN an Inc -Dublin Project Tosco <br /> 6''47 Sierra Court Salle J Project Number Tosco#1 11192 Reported <br /> Dublin CA 94568 Project Manager Doug Lee 04-Sep-01 07 28 <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 /> MV1'-8(11'108337-02)'later Sampled 16-Aug-01 12 25 Received 17-Aug-01 14 00 <br /> Ethanol ND 500 ug/I 1 1 H29010 29-Aug-01 30-Aug-01 EPA 8260B <br /> tort-But).' elcono) ND 20 ^ " <br /> Meth)I ter-bun I ether(MTI3F) ND 2 0 ^ ^ <br /> Di-isopropvl ether ND 20 " <br /> Etnyl ter-butNl ether ND 2 0 ^ <br /> tert-Arnvl meths 1 ether ND 2 0 " <br /> I 2-Dichloroethane ND 2 0 " <br /> Ethvlene dibromide ND 2 0 " <br /> Surrogate Drbr omofr.roranaethane---------_—��-101 % � 50-1.)o <br /> Surrogate 1 2-Dichloroemane-d4 9-2 % 50-150 " <br /> '1111-9(N1 1 0833 7-03)Watei Sampled 16-Aug-01 1025 Recened 17-Aug-01 14 00 <br /> Ethanol ND 500 ug/l I ]H.29010 29-Aug-01 30-Aug-01 EPA 8260B <br /> lemodLiv,1 alcohol ND 20 " <br /> 1 ter-but-vi et>}er(MTBE) ND 20 " <br /> Di-vsoprop%1 etner ND 2 0 " <br /> Eth\I tert-outN I eth. ND 20 " <br /> ter<-Amvl meLhN I ether 'STD 20 ~ <br /> I 2-Dichloroettiane ND 20 <br /> Ethvlenr dibromioe ND 20 " <br /> Surrogate DibromoTuoromethane mm --��--- 996% �50-150 ------ <br /> Surrogate '2-Dichlot oethane-d4 942 % 50-150 ' <br /> 11111'-10("'l0833'r-04)V1 ater Sampled 16-Aug-01 11 20 Received 17-Aug-01 14 00 <br /> Ethanol ND 500 ugll 1 IR29010 29-Aug-01 30-Aug-0I EPA 8260E <br /> ter-Butyl alcohol ND 20 ^ <br /> Methyl tert-butt',ether(MTBE) ND 20 ^ ' <br /> Di-isopropyl ether ND 2 0 ~ <br /> Eth.,I tett-t)ut\I ether ND 20 " <br /> len-Am3 i methvl ether ND 2 0 " <br /> 12-Dichloioethane ND 20 " ~ <br /> Etr,lene oibromrde ND 20 <br /> Surrogate Dibromo luoromethane 990% T_50-150 <br /> Surrogate i Dwhtoroethane-d4 930% 50-150 " <br /> i <br /> la Analytical - Walnut Creek The results in this report applj to the samples analyzed in accordance with the chain of <br /> cusrod5 document This analytical report must be reproduced to its entire,), <br /> Page 4 of 12 <br /> i <br />