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1 Sequoia Walnut <br /> N WiLane <br /> t Creek CAA 94598 <br /> (925)988-96pp <br /> FAX <br /> Analytical `925'988-9673com <br /> www sequoialabs Com <br /> Gettler Ryan, Inc -Dublin Project Chevron <br /> 6747 Sierra Court Suite J Project Number Chevron# 9-2033 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 04-Sep-01 11 14 <br /> Volatile Organic Compounds by EPA Method 8021B <br /> Sequoia Analytical - Walnut Creek <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-1 (W108318-02)Water Sampled 16-Aug-01 11 45 Received 17-Aug-01 08 00 <br /> Chloromethane ND 20 ug/l 1 IH29009 29-Aug-01 29-Aug-01 EPA 8010B <br /> Vinyl chloride ND 1 0 <br /> $romomethane ND 12 " « <br /> Chloroethane ND 1D <br /> Trichlorofluoromethane ND 060 <br /> Freon 113 ND 10 <br /> 1,1-Dichloroethene ND 10 <br /> Methylene chloride ND 10 <br /> trans-l,2-Dichloroethene ND 10 <br /> 1,1-Dich loroethane ND 10 <br /> cis-1,2-Dichloroethene ND 10 <br /> Chloroform ND 10 <br /> 1,1,1-Trichloroethane ND 10 <br /> Carbon tetrachloride ND 10 <br /> 1,2-Dichloroethane ND 16 <br /> Trichloroethene ND 11 <br /> 1,2-Dichloropropane ND 10 <br /> Bromodichloromethane _ ND 10 <br /> cis-1,3-Dichloropropene ND 1 0 <br /> trans-1,3-Dichloropropene ND 060 <br /> 1,1,2-Trtchloroethane ND 050 " <br /> Tetrachloroethene ND 060 <br /> Dibromochloromethane ND 050 <br /> 1,2-Dibromoethane ND 10 <br /> Chlorobenzene ND 10 <br /> Bromoform ND 050 <br /> 1,2,3-Tnchloropropane ND 050 <br /> 1,1,2,2-Tetrachloroethane ND 060 <br /> 1,3-Dichlorobenzene ND 050 <br /> 1,4-Dichlorobenzene ND 12 <br /> 1,2-Dichlorobenzene ND 1_2 <br /> Surrogate Dibromod>Jluoromethane 680% 50-150 H <br /> —per- J�wVi VVCI-Ze'-Z <br /> Sequoia Analytical - Walnut Creek The results in this report apply to the samples analysed to accordance with the charw1 <br /> custody document Mrs analytical report must be reproduced in its entire <br /> Page 7 of 26 <br />