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Sequoia 619StnSte 8 <br /> Sa � <br /> eramentota,CA CA 95634 <br /> (9 16)921 9640 <br /> FAX(91 b)921-0104 <br /> Analytical www sequoialabs cam <br /> 0 <br /> Gettler-Ryan-Dublin Project Former Unocal 5098,Stockton,CA 5308091 <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 - Quality Control <br /> - Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 3080240-EPA 5030B [P/TJ <br /> Blank(3080240-SLK]) Prepared 08/18/03 Analyzed 08/19/03 <br /> 1,3-Dichloropmpane NO 0 50 ug/I <br /> 2 2-Dichloropropane NO 050 11 <br /> 1,1-Dichloropropene NO 050 <br /> Ethylbenzene ND 050 <br /> Hexachlorobutadiene ND 10 " <br /> Isopropylbenzene NO 050 <br /> I <br /> p-lsopropyltoluene NO 050 <br /> Methylene chlonde ND l 0 " <br /> -Methyl tert-butyl ether - - NO 050 <br /> Naphthalene NO 10 " <br /> n-Propylbenzene NO 0 50 " <br /> Styrene ND 050 <br /> 1,L,1,2-Tetrachloroethane ND 050 " <br /> 1,1,2,2-Tetrachloroethane NO 10 <br /> Tetrachloroethene ND 050 " <br /> — T OiuGrio iri, �.iv <br /> _ 1,2,3-Tnchlo_ro_b_enzene _ _ NO _ 050 <br /> 1,2,4-Tnchlombenzene ND 050 <br /> 1,1,1-Trichioroethane _ _ _ _ ND . _ 050 <br /> 1,1,2-Trichloroethane NO T 0 50 " <br /> _ Tnchloroethene _ —__ ____ _ _ _ NO 050 <br /> Tnchlorofluoromethane ND 050 " <br /> 1,2,3-Tnehloropropane ND 10 <br /> 1,2,4--Tnmethylbenzene _ r _-- _ _ _-ND-_ 050 <br /> 1,3,5-Tnmethvlbenzene NO 050 " <br /> Vinyl chlonde ND 050 ' <br /> Xylenes(total) NO 050 " <br /> Sur i agate 1,2-DCA-d4 27 0' 25 0 108 60-140 <br /> Surrogate Dibromofluoromethane 26 6 25 0 106 70-130 <br /> Surrogate 1,2-DCA-d4 27 0 - -- - - ='- -- --.25 0 w 108-_.._..70-130 <br /> Surrogate Toluene-d8 24 4 250 98 70-130 <br /> Surrogate 4-BFB 267 25 0 107 70-130 <br /> Sequoia Analytical- Sacramento The results in this report apply to the samples analyzed to accordance with the chain of <br /> � <br /> custody document Unless otherwise stated results are reported on a wet weight basis <br /> This analytical repot 1 must be reproduced in its entirety <br /> Page 112 of 117 <br />