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404 N Wlget Lane <br /> Walnut Creek,CA 94598 <br /> Sequoia (925)988-9600 <br /> 4 <br /> (i) <br /> FAX(925)986-9673 <br /> Analytical wH+N►sequolalabs coin <br /> OW <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite J Project Number Unocal#0123 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 07-Apr-00 15 41 <br /> Volatile Organic Compounds by EPA Method 8010B <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Lunn Units Dilution Batch Prepared Analyzed Method Notes <br /> U-6(W003457-07)Water Sampled 16-Mar-0014 55 Received 17-Mar-0016 25 <br /> Chloromethane ND 20 ug/1 1 OC28007 28-Mar-00 28-Mar-00 <br /> a►soioB <br /> Vinyl chloride ND 10 " <br /> Bromomethane <br /> ND 30 <br /> Chloroethane ND 10 <br /> Trichlorofluoromethane ND 050 " <br /> Freon 113 ND 10 <br /> 1,1-Dichloroethene ND 10 " <br /> Methylene cblonde 79 50 'N " <br /> trans-1,2-Dichloroethene ND 10 <br /> 1,1-Dichloroethane ND 10 <br /> cis-1,2-Dichloroethene ND 10 <br /> Chloroform ND 10 " <br /> 1,1,1-Trichloroethane ND 10 <br /> Wtetmn <br /> chlonde ND 10 <br /> ichloroethane ND 20 <br /> Trichloroethene ND 10 " <br /> 1,2 Dichloropropane ND 10 <br /> Bromodichloromethane ND 10 <br /> cis-1,3-Dichloropropene ND 10 <br /> trans-1,3-Dichloropropene ND 050 " <br /> 1,1,2-Trichloroethane ND 050 <br /> Tetrachloroethene 44 1 0 " <br /> ^ ' <br /> Dibromochloromethane ND 050 " <br /> 1,2-Dibromoethane ND 10 <br /> Chlorabtxizene ND 10 „ <br /> Bromoform ND 050 " <br /> 1,1,2,2-Tetrachloroethane ND 050 <br /> 1,3-Dichlorobenzene ND 050 " <br /> 1,4-Dichlorobenzene ND 10 n " <br /> 1,2 Dichlorobenzene ND 20 <br /> Surrogate Dtbromodifluoromethane 700% 50-150 <br /> Surrogate 4-Bromofluorobenzene 670% 50-150 " <br /> Ola Analytical_Walnut Creek The results in thts report apply to the smnples analyzed in accordance with the chain of <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 11 of 18 <br />