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(D (91Sequoia 81ament , Av95EeB4 <br /> Sacramento,CA 95834 <br /> Analytical FAX <br /> 6)921-9600 <br /> (916)921-0100 <br /> www sequoialabs corn <br /> Gettler-Ryan-Dublin Project Unocal 5098, Stockton,CA 5210010 <br /> 6747 Sierra Court, Ste J Project Number N/A Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 10/14/02 I8 46 , <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - Sacramento <br /> Reporimg <br /> Analyte _ Result Limit Units DilutionBatch Prepared Analyzed Method - Notes <br /> MW-5 (S210010-06)Water Sampled 09/22/02 14 05 Received 09/26/02 18 35 _ <br /> 2,2-Dichloropropane ND - 050 ug4 1 2100066 10/03/02 10/03/02 EPA 8260B <br /> 1,1-Dichloropropene ND 050 <br /> Ethylbenzene 6 7 050 <br /> Hexachlorobutadiene ND 10 <br /> Isopropylbenzene ND 0 50 <br /> p-Isopropyltoluene ND 050 <br /> Methylene chloride ND 1 0 <br /> Methyl tert-butyl ether ND 0 50 <br /> Naphthalene 2 3 10 ^ „ <br /> n-Propylbenzene 067 050 <br /> Styrene ND 0 50 <br /> 1,1,1,2-Tetrachloroethane ND 050 <br /> 1,1,2,2-Tetrachloroethane ND 10 <br /> Tetrachloroethene ND 0 50 <br /> Toluene 58 0 50 <br /> 1,2,3-Tnchlorobenzene ND 050 <br /> 1,2,4-Tnchlorobenzene ND 0 50 ^ „ <br /> 1,1,1-Trichloroethane ND 0 50 <br /> 1,1,2-Trichloroethane ND 0 50 ^ „ <br /> Trichloroethene ND 0 50 <br /> Trichlorofluoromethane ND 0 50 " <br /> —1,2,3=Trtchloropropane <br /> 1,2,4-Trtmethylbenzene 5 4 0 50 <br /> 1,3,5-Trimethylbenzene - 1 4 -T-=O 50 <br /> Vinyl chlonde ND 0 50 ^ <br /> - Total Xylenes - -- --- - ---- - - -- --26=- = --0 50 - <br /> Surrogate Dibromo}lumomethane 99% 70-130 ^ ^ <br /> Surrogate 1,2-DCA-d4 106% 70-130 " <br /> Surrogate -Toluene-d8- --_ _- _-�� __ -"114 %-- -70Z730-- <br /> Surrogate <br /> 70=730-Surrogate 4-BFB 110 % 70-130 <br /> Sequoia Analytical - Sacramento The results in this repoi t apply to the samples analyzed in accordance with the chain of <br /> custody document Unless otherwise slated,results are reported on a wet weight basis <br /> This analytical report must be reproduced in its entrreV ' <br /> Page 37 of 119 ' <br />