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Sequoia 819 Sinker Ave <br /> Sacramen[o,CA 4)583583g83 ' <br /> Analytical FAX�i)_ (916)921-9600 <br /> (416)92; 0100 <br /> www sequoialabs con <br /> Gettler-Ryan-Dublin Project Unocal 5098,Stockton,CA S210010 s <br /> 6747 Sierra Court,Ste J Project Number NIA Reported <br /> Dubiin CA, 94568 Protect Manager Deanna L Harding 10/I4/02 18 46 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - Sacramento Q <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-21S(5210010-25)Water Sampled 09/22/02 16 55 Received 09/26/02 18 35 <br /> Surrogate 4-BFB 113% 70-130 _ 2100066_ 10/03/02 10104101 EPA 8160E <br /> MW-21S (5210010-_2.5RE1)Water Sampled 09/22/02 16 5_5 _Received 09/26/0218 35 - <br /> Naphthalene ND 1 0 ug/1 1 2100083 10/04/02 10/04/02 EPA 8260B <br /> Toluene ND 050 , <br /> 1,2,4-Trimethylbenzene ND 050 „ <br /> Total Xylenes 068 050 " <br /> Surrogate Dtbromo>luoromethane 108% 70--130 " <br /> Surrogate 1,1-DCA44 114% 70-130 <br /> Surrogate Toluene-d8 114% 70-130 " I <br /> Sur rogate 4-BFB 113% 70-130 <br /> MW-2117(S210010-26)Water Sampled 09/22/02 17 21 Received 09/26/02 18.35 <br /> Benzene ND 050 ugA 1 2100083 10/04/02 10/05/02 EPA 8260B <br /> Bromobenzene ND 050 <br /> Bromochloromethane ND 050 <br /> Bromodichloromethane ND 050 „ <br /> Bromoform ND 050 <br /> Bromomethane ND 10 " <br /> n-Butylbenzene ND 050 <br /> sec-Butylbenzene ND 050 <br /> —tent-Butylbenzene - ND— 0 50- <br /> Carbon <br /> 0 Carbon tetrachloride ND 050 " <br /> ----Chlorobenzene --- -- -ND------050- - "------ " --- " ----- -+'---- - -- -- - „ - - --W _ _ <br /> Chloroethane ND 050 <br /> -Chloroform -- -- - =- - -= --ND--- -=--p 50 <br /> Chloromethane ND 050 " <br /> 2-Chlorotoluene ND 050 <br /> _4=Chlorotoluene___ __ _ _ _ _ -----__ND- -- - -0 50 <br /> Dibromochloromethane ND 050 <br /> 1,2-Dibromoethane(EDB) ND 050 <br /> i romome ane - -ND 050 <br /> 1,2-Dibromo-3-chloropropane ND 10 " <br /> 1,2-Dichlorobenzene ND 050 " <br /> 1,3-Dichlorobenzene ND 050 <br /> 1,4-Dichlorobenzene ND 050 <br /> D1chlOrodifluoromethane ND 050 " « <br /> 1,1-Dichloroethane _ ND 050 <br /> 12-Dichloroethane ND 050 <br /> I,1-Dichloroethene — -- - --- — - ND 050 -- - --- ' - -- -- - -- —-- - --- -- - - - _ <br /> cis-1,2-Dichloroethene ND 050 „ <br /> Sequoia Analytical - Sacramento The results m this report apply to the samples analyzed in accordance with the chain of <br /> custody document Unless otherwise stated results are?eported on a wet weight basis <br /> This analytical report must be reproduced in its entirety <br /> Page 71 of 119 <br />