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Sequoia 819St"'. CveSie <br /> Sacramesttc, -A 9583 <br /> A (916)921 9600 <br /> Analytical <br /> FAX(916)92]-03 do <br /> www sequoialabs co <br /> GettIer-Ryan -Dublin Project Unocal 5098,Stockton,CA S210010 <br /> 6747 Sierra Court,Ste J Project Number N/A Reported <br /> Dublin CA,94568 Protect Manager Deanna L Harding 10/14/02 18 46 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - Sacramento <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch' Prepared Analyzed Method Notes <br /> MW-4 5210010-05Water Sampled 09/24/02 18 So Receiver! 09/26/02 18 35 ' <br /> 1,2-Drchloroethane 14 050 ug/l 1 2100088 10/05/02 10/46/02 EPA 8260B <br /> 1,1-Di chloroethene ND 050 <br /> trans-l,2-Dichloroethene ND 050 <br /> 1,2-Dichloropropane ND 050 „ <br /> 1,3-Dichloropropane ND 050 <br /> 2,2-Dichloropropane ND 050 <br /> I,I-Dichloropropene ND 050 <br /> Ethylbenzene 30 050 <br /> Hexachlorobutadiene ND 10 <br /> Isopropylbenzene 14 050 <br /> p-Isopropyltoluene ND 050 " <br /> Methylene chloride ND 10 " <br /> Methyl tent-butyl ether -1 5 050 <br /> Naphthalene 72 10 <br /> n-Propylbenzene 34 050 <br /> Styrene ND 0 50 <br /> 1,1,1,2-Tetrachloroethane ND 0 50 " <br /> 11,2,2-Tetrachloroethane ND 10 „ <br /> Tetrachloroethene ND 0 50 <br /> Toluene 19 0 50 <br /> 1,2,3-Trichlorobenzene ND 0 50 <br /> 1;2,4-Trichlorobenzene ND 0750 ---- <br /> 1,1,1-Trichloroethane ND 0 50 <br /> --1;I;2-Tnchloroethane— -- --- — ---- --ND—==0-50 - -- -„ - — ------ — -- - -- - --' <br /> - Trichlorofluoromethane ND ----050 <br /> 1,2,3-Trichlor000pane -ND 1 0 <br /> 1,2,4-Trimethylbenzene 26 050 „ <br /> 1,3,5-Trimethylbenzene 5 8 050 <br /> --Total—Xylenes-_--..�.�._..�� . _ _.,..... _.. �� _.76_... � _....-.O-SO....y...�.�� � <br /> QB-0] <br /> Surrogate Drbromofluoromethane 103 % 70-130 , <br /> Surrogate_ 1,2-DCA-d4 110% 70-130 <br /> 'Surrogate Toluene-d8 110 % 70-130 <br /> Surrogate 4-BFB 108% 70-130 <br /> - <br /> 1 <br /> Sequoia Analytical -Sacramento The results in thts report 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 entirety <br /> i <br /> Page 35 of 119 <br />