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' Sequoia 1551 Car,us <br /> nal Road <br /> San Carlos CA 94070 � <br /> (650)232 9600 <br /> Analytical FAX(650)232-9612 <br /> www sequoialabs com <br /> ttler-Ryan/Geostrategies(1) Project Unocal(4) � <br /> 7 Sierra Court,Suite J Project Number Former Unocal##5098& Montgmery Ward Reported <br /> ubhn CA, 94568 Project Manager Deanna Harding 03/26/02 12 44 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - San Carlos <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-13 L203015-15 Water Sampled 03/04/02 09 41 Received 03/05/02 IS 25 <br /> 1,2-Dibromo-3-chloropropane ND 50 ugil 1 2030017 03/08/02 03/12/02 EPA 6260B <br /> 1,2-Dichlorobenzene ND 20 <br />�1 <br /> 3-Dichlorobenzene ND 20 <br /> ,4-Dichlorobenzene ND 20 " <br /> Dichlorodifluoromethane ND 500 <br /> I-Dichloroethane ND 20 <br /> ,2-Dichloroethane ND 20 " <br /> ,1-Dichloroethene ND 20 <br /> cis-1,2-Dichloroethene ND 20 <br />[ans-1,2-Dichloroethene ND 20 <br /> 2-Dicbloropropane ND 20 « <br /> 1,3-Dichloropropane ND 20 <br /> 2-Dichloropropane ND 20 <br /> 1-Dichloropropene ND 20 <br /> thylbenzene ND 20 <br /> HOnpropyltoNene <br /> hlorobutadiene ND 20 <br /> pylbenzene ND 2 0 <br /> ND 2 0 <br /> Methylene chloride ND 5 0 " <br /> Waphthalene ND 5 0 ii 11 ii <br /> Propylbenzene ND 2 0 <br /> Styrene ND 2 0 " <br /> 1,1,2-Tetrachloroethane ND 2 0 <br /> :l,2„ <br /> 2,2-Tetrachloroethane ND 2 0 <br /> etrachloroethene ND 2 0 <br /> Toluene ND 2 0 ” <br /> 12,4-Trichlorobenzene <br /> 2,3-Trichlorobenzene ND 2 0 ND 2 0 " <br /> 1,1,]-Trichloroethane ND 2 0 <br /> 1,2-Trichloroethane ND 2 0 <br /> Irlichlorofluorometbane <br /> iehloroethene ND 2 0 <br /> ND 5 0 <br /> 1,2,3-Trichloropropane ND 2 Q <br /> 12,4-Tnmethylbenzene ND 2 0 <br /> 3,5-Trimethyl benzene ND 2 0 <br /> Vinyl chloride ND 2 0 <br /> tal Xylenes ND 2 0 <br /> rrogate 1,2-Dichloroethane-d4 893 % 63-118 " <br /> Surrogate Toluene-d8 961 % 88-110 " <br /> rrogate 4-BFB 104 % 86-115 <br /> is Analytical -San Carlos The results in this report apply to the samples analyzed in accoi dance with the chain of <br /> custody document This analytical report must be repi oduced in its entirety <br /> 1 <br />' Page 36 of 91 <br />