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Sequoia 1551 nal Road <br /> San Carlos <br /> CA 94070 <br /> (650)232-9600 <br /> Analytical PAX(650)232-9612 <br /> www sequoialabs com <br />!41 <br /> tler-Ryan/Geostrategies(1) Project Unocal(4) <br /> 7 Sierra Court,Suite J Project Number Former Unocal#5098&Montgmery Ward Reported <br /> hn 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 /> W-1 9S L203015-23 Water Sampled 03/04/02 Il 10 Received 03/05/02 18 25 <br /> ,2-Dibromo-3-chloropropane ND 50 ug/1 3 2030017 03/48/02 03/08/02 EPA 8260B <br /> 1,2-Dichlorobenzene ND 20 " <br /> ,3-Dichlorobenzene ND 20 <br /> 14-Dichlorobenzene ND 20 „ <br /> Dichlorodifluoromethane ND 50 <br /> 1-Dichloroethane ND 20 <br /> ,2-Dichloroethane ND 20 " <br /> ,1-Dichloroethene ND 20 <br /> cis-1,2-Dichloroethene ND 20 " „ <br /> 1ans-1,2-Dichloroethene ND 20 <br /> 2-Dichloropropane ND 20 " <br /> 1,3-Dichloropropane ND 20 <br /> li,2-Dichloropropane ND 20 " « <br /> ,1-Dichloropropene ND 20 " <br /> thylbenzene ND 20 „ <br /> 1-lexachlorobutadiene ND 20 " <br /> lopylbenzene ND 20 <br /> ropyltoluene ND 20 „ <br /> Methylene chloride ND 50 <br /> aphthalene ND 5 0 <br /> Propylbenzene ND 2 0 <br />* <br /> tyrene ND 20 <br /> 1,1,1,2-Tetrachloroethane ND 2 0 <br /> 11,2,2-Tetrachloroethane ND 2 0 „ <br /> 'etrachloroethene ND 2 0 <br /> Toluene ND 20 <br /> 2,3-Tnchlorobenzene ND 2 0 " <br /> 2,4-Trichlorobenzene ND 2 0 <br /> 1,1,1-Trichloroethane ND 2 0 <br /> t1,2-Trichloroethane ND 2 0 <br /> ichloroethene ND 2 0 <br /> ichlorofluoromethane ND 50 <br /> 1,2,3-Trichloropropane ND 2 0 " <br /> F,4-Trimethylbenzene ND 2 0 <br /> 2 <br /> ,5-Trimethylbenzene ND 2 0 " <br /> Vinyl chloride ND 2 0 " <br /> tal Xylenes ND 2 0 <br /> lrrogate 1,2-Dichloroethane-d4 99 7°/u 63-118 <br /> urrogate Toluene-d8 96 3 35 88-110 " <br /> rrogate 4-BFB 101 % 8,5-115 <br /> a Analytical -San Carlos The i esults to this i epos i apply to the samples analyzed in accov dance with the chain of <br /> custody document This analytical i eport must be reps oduced in its entirety <br /> Page 48 of 91 <br />