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819 Striker Ave Ste 8 ' <br /> Sequoia Sacramento,CA 95834 <br /> (916) 921 9600 <br /> Analytical <br /> 9. FAX{916}921 0100 <br /> Gettler-Rvan-Dublin Project Former Unocal 5098,Stockton,CA 5212135 <br /> 6747 Sierra Court,Ste J Project Number NIA Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 12/27/02 14 14 <br /> Volatile Organic Compounds by EPA Method 8260B -Quality Control <br /> Sequoia Analytical-Sacramento <br /> Reporting Spike Source %REC RPD <br /> _IAnalyte Result Limit Units Level Result %REC Limits RPD Lnr»t Notes <br /> Batch 2120259-EPA 5030B[PIT] <br /> Blank 2120259-BLK1 Prepared&Analyzed 12/16/02 , <br /> Benzene ND 050 ug/l <br /> Bromobenzene ND 050 " <br /> Tert-butyl alcohol ND 100 " <br /> Bromochloromethane ND 050 " <br /> Methyl tert-butyl ether ND 2 0 " <br /> Bromodichloromethane ND 050 " <br /> Di-isopropyl ether ND 2 0 " <br /> Bromoform ND 050 " <br /> Ethyl tert-butyl ether ND 20 " <br /> Bromomethane - -1 - ND 10 <br /> Tert-amyl methyl ether ND 2 0 " <br /> Ethanol ND 500 " <br /> n-Butylbenzsne ND 050 " <br /> 12-Dichloreethane ND 2 0 <br /> sec-Butylbenzene ND 0 50 " <br /> 1,2-Dibromoethane(EDB) ND 2 0 <br /> tert-BUtyl benzene ND 050 <br /> - -Carbon tetrachloride---_ __ ND 0 50—_"_ <br /> Chlorobenzene ND 050 " <br /> Chloroethane_ _ _ _ ND - -T0 50 <br /> Chloroform ND 050 - <br /> Chloromethane - - ND -050 <br /> -- <br /> 2-Chlorotoluene ND 050 <br /> 4-Chlorotoluene ND 050 " <br /> - -�--Dibromochloromethane- _ _ _ ND -_ 0 50---" <br /> 1,2-Dibromoethane(EDB) ND 050 <br /> Dibromomethane ND 0 50 " <br /> 1,2-Dibromo 3-chloropropane - ND 1 0 - -- - - - <br /> 1,2-Dichlorobenzene ND 0 50 " <br /> 1,3-Dichlorobenzene ND 0 50 <br /> 1,4-Dichlorobenzene ND 0 50 _ <br /> Dichlorodifluoromethane ND 0 50 " <br /> l,I-Diehl oroethane ND 0 50 <br /> 1,2-Dichloroethane ND 050 " <br /> --1,l.Dichloroethene -- - _ -- - ND -- 050 --- - - - -- - - - - - - - - - - - - -- -- - - <br /> cis-1,2-Dlcbloroethene ND 0 50 " <br /> Sequoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the chain <br /> of custody document Unless otherwise stated results are reported on a wet weight <br /> basis This analytical report must be reproduced in its entirety <br /> 96 of 102 <br />