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819 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> (916)921-960D <br /> Analytical FAX(916)921-0100 <br /> Gettler-Ryan-Dublin Project Former Unocal 5098,Stockton,CA 5212135 <br /> 6747 Sierra Court,Ste J Project Ntunber NIA Reported <br /> Dublm CA,94568 Project Manager Deanna L Harding 12/27/02 14 14 <br /> Volatile Organic Compounds by EPA Method 8260B -Quality Control <br /> Sequoia Analytical- Sacramento <br /> i <br /> - - Reporting Spike Source %REC RPD <br /> Anal Result Limit Units Level Result %REC Limits RPD Lunn Notes <br /> Batch 2120133-EPA 5030B[PIT] <br /> Blank(2120133-BLK1) _ Prepared&Analyzed 12/09/02 <br /> trans-l,2-Dichloroethene ND 050 ug/l <br /> i <br /> 1,2-Dtchloropropane ND 050 " <br /> i,3-Diehl oropropane ND 050 , <br /> 2,2-Dtchloropropane ND 050 <br /> I <br /> 1,1-Dichloropropene ND 050 " <br /> Ethylbenzene ND 0 50 " <br /> Hexachlorobutadtene ND 10 <br /> Isopropylbenzene ND 0 50 " <br /> p-Isopropyltoluene ND 0 50 " <br /> - Methylene chloride - ND 1 0 <br /> Methyl tert-butyl ether ND 050 " <br /> Naphthalene ND 20 " <br /> n-Propylbenzene ND 0 S0 " <br /> Styrene ND 050 " <br /> 1,1,1,2-Tetrachloroethane ND 050 " <br /> 1,1,2,2-Tetrachloroethane ND 1 0 i <br /> �- Tetracntoroetnene NU U50 <br /> Toluene ND—0 50__ <br /> 1,2,3-Trichlorobenzene T ND 050 <br /> _1,2,4-Trichlorobenzene_-- -- _ ___-- -----ND— -_0 50 <br /> 1,1,1-Trichloroethane ND 050 " <br /> 1,1,2-Tnchloroethane ------ - - ND — - 050-- <br /> Trichloroethene <br /> 50--Trichloroethene ND 0 50 <br /> Trichlorofluoromethane ND 0 50 " <br /> __1,2,3-Trtchloropropane­ -ND-4-- -1 0 - <br /> 1,2,4-Trimethylbenzene ND 050 " <br /> 1,3,5-Trimethylbenzene ND 050 <br /> r Vinyl chloride ND 050 - - - - <br /> Xylenes(total) ND 050 " <br /> Surrogate 12-DG1-d4 266 0 25 D 106 60-140 <br /> Surrogate Dibromofluorontethane 261 25 0 104 70-130 <br /> Surrogate 1 2-DC-4-d4 266 25 0 106 70-130 <br /> Surrogate Toluene-d8 261 - 25 0 IDS 70-130 <br /> _Surrogate 4-BFB _ _30 1__ _ _ 250 120 70-130- <br /> Sequoia Analytical-Sacramento The results to this report apply to the samples analyzed in accordance with the chain <br /> of custody document Unless otherwise stated results are reported on a wet weight • <br /> basis This analytical report must be reproduced in its entirety <br /> 86 of 102 <br /> r <br />