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a5 " <br /> Sequoia 404 N ,CA Lane <br /> - -� - - -_ -^ -- -- �----- - --- -_ _ Walnut Creek,CA 94598 <br /> /ll n a lyti c a FAX (925) 988-9673 <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite 1 Project Number Unocal#5886 Reported <br /> =Dublin CA,94568 ._ _ Project Manager Deanna L Hardmg _ 16-Dec-99 09 01 <br /> Volatile Organic Compounds by EPA Method 8260A <br /> Sequoia Analytical -Walnut Creek <br /> - ' Reporting - - <br /> Aaalyte Result Lunt Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-8I(W912007-14)Water- Sampled -29-Nov-994I 10=Received 30-Nov-99 19 05 <br /> Ethanol ND 500 ugll 1 9L14011 09-Deo-99 09-Deo-99 EPA 8260A <br /> tert-Butyl alcohol ND 100 " <br /> Methyl tert-butyl ether ND 20 " <br /> Di-isopropyl ether ND 20 <br /> Ethyl tert-butyl ether ND 20 " <br /> tert-Amyl methyl ether ND 20 " <br /> Surrogate Dibromofluorom ethane 118% 50-150 " <br /> Surrogate 1,2-Dichloroethane-d4 116% 50-150 " <br /> MW-8D(W912007-15)Water Sampled 29-Nov-99 11 58 Received 30-Nov-99 19 05 <br /> Ethanol ND 500 ugll 1 9L14011 09-Dec 99 09-Dea99 EPA 8260A <br /> tert-Butyl alcohol ND 100 " <br /> Methyl tent-butyl ether 12 20 " <br /> Di-isopropyl ether ND 20 <br /> Ethyl tert-butyl ether ND 20 <br /> tertAmyl methyl ether ND 20 " <br /> Surrogate Dtbromofluoromethane 120% 50-150 " <br /> Surrogate 1 2-Dichloroethane-d4 114% 50-150 " <br /> MW-9S(W912007-16)Water Sampled 29-Nov-99 13 52 Received 30-Nov-99 19 05 <br /> Ethanol ND 500 ugll 1 9L14011 09-Dec-99 09-Dec-99 EPA 8260A <br /> tert-Butyl alcohol ND 100 " 11 11 11 " <br /> Methyl tert-butyl ether ND 20 " <br /> Di-isopropyl ether ND 20 " <br /> Ethyl tert-butyl ether ND 20 " <br /> tert-Amyl methyl ether ND 20 " <br /> Surrogate Dibromofluoromethane 120% 50-150 " <br /> Surrogate 1,2-Diehloroethane-d4 118% 50-150 " <br /> Sequoia Analytical-Walnut Creek The results in tins report apply to the samples analyzed i n accordance with the churn of• <br /> custody document This analytical report must be reproduced in its emirely <br /> uhaiine eg ey, oject anagen Page 18 of 27 <br />