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Sequoia 404 N . CA lane <br /> . Walnut Creek, CA 94598 <br /> (925)988-9600 <br /> Analytical FAX(975)988-9673 <br /> vo— <br /> 1I)uller Ryan,Inc -Dublin Project Unocal <br /> )47 Sierra Court Suite J ProjectNumber Unocal SSI#5886 Reported <br /> ltn CA,94568 Project Manager Deanna L Harding 14-Sep-99 17 49 <br /> Volatile Organic Compounds by EPA Method 8260A <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-7D(W908373-11)Water Sampled 17-Aug-99 08 05 Received 18-Aug-9914-00 <br /> Ethanol ND 500 ug/l 1 91131005 3G-Aug-99 31-Aug-99 FPA8260A <br /> tert-Butyl alcohol ND 100 <br /> Methyl tent-butyl ether ND 20 " <br /> Di-isopropyl ether ND 20 <br /> Ethyl tert-butyl ether ND 20 <br /> tert-Araya methyl ether ND 20 » <br /> Surrogate Dibromofluorom ethane 108% 50-150 " <br /> Surrogate 1,24)ichloroethane-d4 108% 50450 " <br /> MW-7S(W908373-12)Water Sampled 17-Avg-99 08 35 Received 18-Auu-99 14 00 <br /> Ethanol ND 500 Uall I 9H31005 30--kug-99 31-aug-99 EP-%8260A <br /> Cert-Butyl al.ohol ND 100 " <br /> Methvl tent-butyl ether ND 20 " <br /> Di-i.,opropvl ether ND 20 " <br /> EthN 1 t,rt-bun I ether ND 20 " <br /> tort-Ain�l me4i�l ctt►cr ND 20 <br /> ngu7e U+h+unxiflttoionrethune 106% 50-150 <br /> nnogate 1 2-Dtchloroetharre-ci4 106% 50-150 <br /> NNW-8S(W908373-13)Water Sampled 16-Aub-99 1156 RILED ed 18-Aue 99 14 Illi <br /> Ethanol ND 500 ug/I I 9H31005 30--kug-99 30-au6-99 EPAX25016 <br /> tent-Butyl ab-ohol ND 100 " <br /> Methvl test-hun i ether ND 20 " <br /> Di-isopropvl ether ND 2 1) <br /> Ethv 1 tIrt-but,l ether ND 2 0 <br /> tlrt-Amvl methyl ether ND 20 " <br /> Sirr roguie D+hron+ojluorotnethune 980% 50-150 <br /> Surrogate 1 2-Diehloroethane{I4 920% 50-150 " <br /> I <br /> Sequoia Analytical - Walnut Creek The muille+n thi r report apply ro Or tarnples 4maly--ed+n4rcorclrmce with the clran of <br /> cutto ch document This anulvncod repcur must he repro duced+n i tt ennrery <br /> OU 41T-m— rol�c,t aria pagt. 9 ut 16 <br />