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Sequoia1 i, industrial Road <br /> San Carlos{rq 9 <br /> 407D <br /> (650)232-9600 <br /> Analytical <br /> i <br /> FAX(650)232 9652 <br /> www sequoialabs coin <br /> Gettler-Ryan/Geostrategtes(1) Project Unocal(4) <br /> 6747 Sierra Court, Suite J Project Number Former Unocal#5098& Monternery Ward Reported <br /> Dublin CA, 94568 Project Manager Deanna Harding 03/26/02 I2 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-4 L203 015-051 Water Sampled 03/05/02 13 1S Received 03/05/02 IS 25 <br /> 1,2-Dibromo-3-chloropropane ND 100 ug/1 20 2030017 03/08/02 03/13/02 EPA 8260B <br /> 1,2-Dichlorobenzene ND ,- 4() - <br /> 1,3-Dichlorobenzene ND 40 " <br /> 1,4-Dichlorobenzene ND 40 <br /> Dichlorodifluoromethane ND 100 <br /> I,I-Dichloroethane ND 40 " <br /> 1,2-Dichloroethane ND 40 „ <br /> 1,1-Dichloroethene ND 40 <br /> cis-1,2-Dichloroethene ND 40 <br /> trans-1,2-Dichloroethene ND 40 <br /> 1,2-Dichloropropane ND 40 „ <br /> 1,3-Dichloropropane ND 40 <br /> 2,2-Dichloropropane ND -40 - <br /> 1,1-Dichloropropene ND 40 <br /> Ethylbenzene ND 40 <br /> Hexachlorobutadiene ND 46 - <br /> Isopropylbenzene ND 40 „ <br /> p-Isopropyltoluene ND 40 „ <br /> Methylene chloride ND 100 " <br /> Naphthalene ND 100 <br /> n-Propylbenzene ND 40 „ <br /> .Styrene `—ND 40- - ---�- <br /> 1,1,1,2-Tetrachloroethane ND 40 <br /> = 1,1;2;2-Tetrachloroethane— ND-- 40---++- —+,- - „- ----- „------- --- „-=--- - - � <br /> Tetrachloroethene ND 40 <br /> Toluene---- 50T_ 40 - <br /> 1,2,3-Trichlorobenzene ND 40 <br /> 1,2,4-Trichlorobenzene ND 40 <br /> __l,1,1-Trichloroethane---- ---+ _ . __ __ ND - -40- <br /> 1,1,2-Trichlaroethane <br /> 40_1,1,2-Trichloroethane ND 40 <br /> Trichloroethene ND 40 <br /> Trichlorofluoromethane ND ” ' 100 ” <br /> 1,2,3-Trichloropropane ND 40 „ <br /> 1,2,4-Trimethylbenzene 83 40 " <br /> 1,3,5-Trimethylbenzene ND 40 <br /> Vinyl chloride ND 40 <br /> Total Xylenes 450 40 <br /> Surrogate 1;2-Dich1oroethane-d4 959% 63-118 „ <br /> _Surrogate-Toluene-d8 ____ _ _ _ _ _ _ _ _ -94-7% - -88-110 - - <br /> Surrogate 4-BFB 101 % 86-115 <br /> Sequoia Analytical q y# cal -San Carlos The)esults In this repo 1 apply to the samples analvzed in accor dance with the chain of <br /> custody document Thrs analytical report must be reproduced in its entirety 0 <br /> Page 21 of 91 <br />