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819 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> Analycal (416)921-010D <br /> Y {916}921-0100 <br /> tiFAX <br /> Gettler-Rvan-Dublin Protect Former Unocal 5098,Stockton,CA 5212135 <br /> 6747 Sierra.Court,Ste J Project Number N/A Reported <br /> Dublin CA,94568 Protect Manager Deanna L Harding 12/27/02 14 14 <br /> Volatile Organic Compounds by EPA Method 8260B -Quality Control <br /> Sequoia Analytical- Sacramento <br /> - -Reporting Spike Source -%REC RPD <br /> lAnalyte Result Luriit Units Level Result %REC Limits RPD Lunn Notes <br /> Batch 2120173-EPA 5030B [P/TJ <br /> Blank(2120173-BLK1) Pr aced. 12/1I/02 Analyzed 12/12/02 <br /> Styrene ND 0 50 ug/l <br /> 1,1,1,2-Tetrachloroethane ND 050 " <br /> 1,1,2,2-Tetrachloroethane ND 10 " <br /> Tetrachloroethene ND 050 " <br /> Toluene ND 050 " <br /> 1,2,3-Trichlorobenzene ND 050 " <br /> 1,2,4-Trichlorobenzene ND 0 50 ' <br /> 1,1,1-Trichloroethane ND 0 50 " <br /> 1,1,2-Trichloroethane ND 0 50 " <br /> Trichloroethene ND 0 50 - <br /> Trichlorofluoromethane ND 0 50 " <br /> 1,2,3-Trichloropropane ND 1 0 <br /> 1,2,4-Trimethylbenzene ND 050 " <br /> 1,3,5-Trimethylbenzene ND 050 " <br /> Vinyl chloride ND 050 " <br /> Xylenes(total) ND 050 " <br /> i <br /> Surrogate 1 1-DCA-d4 238 250 95 60-140 <br /> Surrogate Dibromofluoromethane 230 250 92 70-130 <br /> _Surrogate 12-DCA_-d4_ _ _ __ 238 __ - __."___ 25 0_—. —95—_ 70-130 <br /> Surrogate Toluene-d8 249 250 100 70-130 <br /> Surrogate 4-BFB - _ 25 2 -- -- - -- 250- = 101 70-130 <br /> Laboratory Control Sample(2120173-BS1 Prepared 12/11/02 Analyzed 12/12/02 <br /> ---Benzene 23 3, _ - 0 50` _ug/1— u 25 0,,.-..—L.-- 93_ q_70-130 <br /> Methyl tert-butyl ether 22 1 2 0 25 0 -88 60-140 <br /> Chlorobenzene 25 2 0 50 25 0 101 70-130 <br /> 1,1-Diehl oroethene 240 0 50 25 0 96 70-130 <br /> Toluene 25 1 050 25 0 100 70-130 <br /> Trichloroethene 21 3 0 50 25 0 85 70-130 <br /> Surrogate i 2-DCA-d4 244 15 0 98 60-140 <br /> Surrogate Dibromofluoromethane 23 9 " 25 0 96 70-130 <br /> Surrogate 1 1-DCA-d4 244 15 0 98 70-130 <br /> _ _Surrogate Toluene-d8 - - -- 274-- - -- - 25 0 - -- ----110 - -70-130 - - - - - - - - - - - <br /> - Surrogate 4-BFB 270 25 0 108 70-130 <br /> Sequoia Analytical-Saciamcrito The results in 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 /> 92 of 102 <br />