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' Z (916)Sey • 81amnto Av958 4 <br /> Sequoia Ol a Sacramento CA 95834 <br /> 971-9600 <br /> Analytical FAX(916)92 1-0100 <br /> www sequoialabs com <br /> ih <br /> er-Ryan-Dublin Project Former Unocal 5098,Stockton,CA 5302592 <br /> Sierra Court,Ste J Project Number N/A Reported <br /> m CA,94568 Project Manager Deanna L Harding 03/10/03 17 17 <br />' Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical - Sacramento <br /> Reporting <br /> Analyte Result L1mtt Chits Dilution Batch Prepared Analyzed Method Notes <br /> W-195 S302592-22 Water Sampled 02/19/03 14 40 Received 02/24/03 15 30 <br /> thylbenzene 54 0 50 ug/I 1 3020415 02/28/03 02/28/03 EPA 8260B <br /> Hexachlorobutadiene ND 1 0 11 <br /> sopropylbenzene ND 050 <br /> -Isopropyltoluene ND 050 " + <br /> ethylene chloride ND 1 0 <br /> Methyl tent-butyl ether ND 050 <br /> aphthalene ND 1 4 <br /> -Propylbenzene ND 050 <br /> Styrene ND 050 <br /> 1,1,1,2-Tetrachloroethane ND 050 <br /> ,1,2,2-Tetrachloroethane ND 1 0 " <br /> etrachloroethene ND 050 " <br /> Toluene ND 050 " <br />'1 <br /> 2,3-Tnchlorobenzene ND 0 50 <br /> ,2,4-Tnchlorobenzene ND 0 50 <br /> 1,1,1-Tnchloroethane ND 050 " <br /> 7 nchloroethane ND 050 <br /> roethene ND 050 <br /> rlchlorofluoromethane ND 050 " <br /> 2,3-Trichloropropane ND 1 0 <br /> ,2,4-Tnmethylbenzene ND 0 50 <br /> i,'3,5-Tri <br /> methylbenzene ND 050 <br /> Vinyl chloride ND 050 " <br /> ylenes(total) 18 050 " <br /> uiiogate Dibrornof]uoromeihane 98% 70-130 <br /> Surrogate 1 2-DCA-d4 98% 70-130 <br /> ui i ogate Toluene-d8 11.5 % 70-130 " <br /> ur i agate 4-BFB 112% 70-130 <br /> I <br /> I <br /> i <br /> Sequoia Analytical - Sacramento The results in this report apply to thesomples analyzed in accoi dance-with the chain of <br /> . custody doctunent Unless otherwise stated i esults are reported on a wet weight basis <br /> This analytical repor i must be reproduced in its entirety <br /> I <br /> Page 69 of 126 <br />