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Sequoia 819 Striker CA Ste 8, <br /> a— ) SacramentotaCA 95634 <br /> Analytical FAX(91 )921 00 <br /> (916601 <br /> )921 Q100 <br /> www sequoialabs cam <br /> Gettler-Ryan-Dublin Project Unocal 5098, Stockton,CA 5210010 <br /> 6747 Sierra Court,Ste J Protect Number N/A Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding ]0/14102 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-2 (S210010-03)Water Sampled 09/24/02 11 09 Received 09/26/02 IS 35 <br /> 1,2-Dichloropropane ND 10 ug/1 20 21000$5 10/05/02 10/05/02 EPA 8260B_ <br /> 1,3-Dichloropropane ND 10 <br /> 2,2-Dichloropropane ND 10 <br /> 1,1-Dichloropropene ND 10 <br /> Ethylbenzene 970 10 <br /> Hexachlorobutadiene ND 20 <br /> Isopropylbenzene 32 10 " + <br /> p-Isopropyltoluene ND 10 <br /> Methylene chloride ND 20 " <br /> Methyl tert-butyl ether ND 10 <br /> Naphthalene 330 20 " « <br /> n-Propylbenzene 80 10 " <br /> Styrene ND 10 <br /> 1,1,1,2-Tetrachloroethane ND 10 <br /> 1,1,2,2-Tetrachloroethane ND 20 <br /> Tetrachloroethene ND 10 " <br /> Toluene 190 10 <br /> 1,2,3-Tnchlorobenzene ND 10 " <br /> 12,4-Trichlorobenzene ND 10 <br /> i,i,i-Tncniaroernane N1.3 10 <br /> 1,1,2-Tnchloroethane— ND ]0 <br /> Trichloroethene ND 30 <br /> Trichlorofluoromethane - — —_—_--ND- -_- 10 <br /> _ 1,2,3-Trichloropropane ND 20 „ <br /> 1 2,4-Trimethylbenzene—==---------- 970— - __J0 _ _-- <br /> I3,5-Trimethylbenzene 310 10 <br /> Vinyl chloride ND 10 <br /> _,,,_Total Xylenes 5300 _ _10__ <br /> Surrogate Dibromofluoromethane 95% 70-130 <br /> Surrogate 1,2-DCA-d4 103 % 70-130 " <br /> Surrogate Toluene-d8 112 % - 70-130 <br /> Surrogate 4-BFB 109% 70-130 " <br /> Sequoia Analytical -Sacramento The results in this report apply to the samples analyzed in accordance with the chain o <br /> custody document Unless otherwise stated results are reported on a wet weight basis t <br /> This analytical report must be reproduced in its entirety <br /> Page 31 of 119 ' <br />