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$19 SenAve Ste 8 <br /> 4D— Sequoia Sacramento( y 921 9600 <br /> Analytical FAX(916)921-0100 <br /> www sequoiaiabs coni <br /> Gettler-Ryan -Dublin Project Former Unocal 5098,Stockton, CA S308091 ' <br /> 6747 Sierra Court,Ste J Project Number N/A Reported <br /> Dublin CA,94568 _ Project Manager Deanna L Harding __ _ 08/20/03 16 56 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical w Sacramento -- <br /> Reporting 1 <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-19D(5308091-24)Water Sampled 08/04/03 14 55 Received 08105/0317 35 - – - --- - - - <br /> Ethylbenzene ND 050 ug/l 1 3080141 08/12/03 08/13/03 EPA 8260B , <br /> Hexachlorobutadiene ND 10 <br /> Isopropylbenzene ND 050 <br /> p-Isopropyltoluene ND 050 ^ , <br /> Methylene chloride ND 1 0 <br /> Methyl tent-butyl ether ND 050 " <br /> Naphthalene ND 1 Q ^ <br /> n-Propylbenzene ND 050 <br /> Styrene ND 0 50 <br /> 1,1,1,2-Tetrachloroethane ND 050 " <br /> 1,1,2,2-Tetrachloroethane = _ _ND -10 r' _ _" _ " 2 <br /> Tetrachloroethene ND 050 <br /> Toluene ND 0 50 " <br /> 1,2,3-Tnchlorobenzene - ND -0 50 <br /> 1,2,4-Tnchlorobenzene ND 0 50 <br /> 1,1,1-Tn chloroethane ND 050 " <br /> 1,1,2-Trichioroethane ND 050 <br /> Trichloroethene ND 050 " <br /> s <br /> T ricniorofiuoromemane ND U SU <br /> 1,2,3-Trichloropropane -- --ND-----1 0__ <br /> 1,2,4-Trimethylbenzene - ND 050 _�- <br /> 1,3,5-Tnmethy1benzene —ND—0 50_ <br /> Vinyl chloride - --- - ----— ND- ----050 <br /> Xylenes(total) _ ND = 0 50 _-- <br /> Surrogate Dibromofluaromethane 105% 70-130 " " <br /> Suri agate 1 2-DCA-d4 110% 70-130 ^ " " <br />—Sui i agate_Toluene-d8 99% - 70-130- -_—_ <br /> Sui i ogate 4-BFB 112% 70-130 " <br />- - 1 <br /> Sequoia Analytical - Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document Unless otherwise stated results are reported on a wet weight basis , <br /> This analytical report must be reproduced in its entirety <br /> Page 68 of 117 ' <br />