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Sequoia Baa Sento,CA Ste 8 <br /> Saeram(916 92 95834 <br /> (916)921-9600 <br /> FAX <br /> Analytical www <br /> 6j92i-0100 <br /> www equoiaiQbs tom <br /> Gettler-Ryan-Dublin Project Former Unocal 5098, Stockton,CA S302592 <br /> 6747 Sierra Court, Ste J Project Number NIA Reported ' <br /> Dublin CA,94568 Project Manager Deanna L Harding 03/10/03 17 17 <br /> Volatile Organic Compounds by EPA Method 82605 <br /> Sequoia Analytical - Sacramento <br /> Reporting <br /> Analyte Result Limit Units Dilution' Batch Prepared Analyzed Method Notes , <br /> MW4 (5302592-04)Water Sampled 02/21/03 13 30 Received 02/24/03 15 30 -_ <br /> Tert-butyl alcohol ND 1000 ug/l 10 3030088 03/06/03 03/06/03 EPA 8260B <br /> Di-isopropyl ether ND 20 , <br /> Ethyl tent-butyl ether ND 20 " <br /> Tett-amyl methyl ether ND 20 " <br /> 1,2-Dichloroethane ND 20 <br /> 1,2-Dibromoethane(EDB) ND 20 " <br /> Surrogate 1.2-DCA-d4 108% 60-140 <br /> Benzene ]so 5 0 <br /> Bromobenzene ND 50 " <br /> BTomochlorom ethane ND 5 0 " <br /> Bromodichlorom ethane ND 5 0 " <br /> Bromoform ND 5 0 <br /> Bromomethane ND 10 " <br /> n-Butylbenzene ND 5 0 _ <br /> sec-Butylbenzene ND 5 0 <br /> Cert-Butylbenzene ND so " <br /> Carbon tetrachloride ND 5 0 " <br /> Chlorobenzene ND 50 " <br /> Cnioroeinane ND 50 <br /> Chloroform ND 50 " <br /> Chloromethane ND 5 0 <br /> 2_Chlorotoluene ND 5 0 <br /> 4-Chlorotoluene ND 5 0 " <br />- - Dibromochloromethane __ -_ __ND __ __-_5 0__-_ ". <br /> 1,2-Dibromoethane (EDB) ND 5 0 " <br /> Dibromomethane ND 50 <br />___1,2,Dibramo-:L-.-Chloropropane _ -_�ND _ _ _ 16 <br /> 1,2-Dichlorobenzene ND 50 " <br /> 1,3-Dichlorobenzene ND 50 ' <br /> -1,4-Dichlorobenzene ND 50 <br /> Dichlorodifluoromethane ND 5 0 " <br /> IJ-Dichloroethane ND 5 0 " <br /> 1,2-Dichloroethane ND 5 0 , <br /> 1,1-Dichloroethene ND 50 " <br /> cis-1,2-Dichloroethene ND 50 " <br /> trans-1,2-Dichloroethene ND 50 <br /> 1,2-Dichloropropane ND 50 " <br /> 1,3-Dichloropropane— - - -- -- - - - ND - - -5 0 - <br /> 2,2-Dichloropropane ND 5 0 " <br /> l,1-Dichloropropene ND 50 " <br /> Sequoia Analytical - Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document Unless otherwise stated results are repot red on a wet weight basis <br /> This analytical report must be reproduced in its entirety <br /> Page 32 of 126 <br />