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Sequoia CA 404 N Lane <br /> Walnut Creek CA 94598 <br /> (925)988-9600 <br /> FAX(925)988-9473 <br /> %07 Analytical www sequolalabs coin <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 15-Jun-01 10 47 <br /> Volatile Organic Compounds by EPA Method 8010B <br /> Sequoia Analytical - Walnut Creek <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-1 (W105406-02)Water Sampled 17-May-01 13 35 Received 18-May-01 1550 <br /> Chloromethane ND 20 ug/l t JE23001 24-May-01 24-May-01 EPA 8010B <br /> Vinyl chlonde ND 1 0 <br /> Bromomethane ND 12 " <br /> Chloroethane ND 10 " <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-Dichloroethane ND 10 " <br /> cis-1,2-D tchloroethene ND 10 " <br /> Chloroform ND 10 " <br /> 1,1,1-Tnchloroethane ND 10 " <br /> Carbon tetmchlonde 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-Tnchloroethane ND 050 " <br /> Tetrachloroethene ND 060 " <br /> Dibromochloromethane ND 050 <br /> 1,2-Dbromoethane 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 12 " <br /> Surrogate Dibromodifluoromethane 919% 50-150 " <br /> Surrnvate 4-Rrmmnl7unrnhvn7vnv 70794 50-150 " <br /> Sequoia Analytical -Walnut Creek The results in this report apply to the samples ano&zed to accordance with the chain gift <br /> custody document This analytical report must be reproduced in its entir <br /> Page 7 of 24 <br />