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Sequoia I s,] a 940701 Road <br /> San Carlos, CP 44070-41!; <br /> � Analytical N {650}232-9600 <br /> DFAX{650} 232-9612 <br /> " t© <br /> Gelder-Ryan/Geostrategies(1) Project Unocal(1)-� M Sampled 9/16/99 <br /> 6747 Sierra Court,Suite D Project Number- Unocal SS45098 Received 9/16/99 <br /> Dublin,CA 94568 Project Manager- Deanna Hardin Egon 9/30/99 <br /> --'--"7" -VoIattie Or ante Com'ounds li EPA Method 8010B/ aali Control <br /> ,Sequoia Analyhcai-San Carlos � o- ;� � � _ <br /> .», r. « .G. <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> lAnalyte Analyzed Level Result Result Umts Recov Lutists % Lunit % Notes* <br /> Blank(continued) 2090065-BLK_2 - <br /> Chloromethane 9/15/99 ND UO 100 <br /> Dibromochloromethane ND 0.500 <br /> 1,3-Dichlorobenzene ND 0 500 <br /> 1,4-Dichlorobenzene ND 0.500 <br /> 1,2-Dichlorobenzene TVND 0 500 <br /> 1,1-Dichloroethane toND 0 500 <br /> l,2-Dichloroethane toND 0 500 <br /> 1,1-Dichloroethene ND 0 500 <br /> cis-1,2-Dichloroethene - ND 0 500 <br /> trans-l,2-Dichloroethene ND 0 500 <br /> 1,2-Dichloropropane _ _ _ _ ND 0 500 _ <br /> cis-1,3-Dichloropropene ND 0 500 <br /> trans-1,3-Dichloropropene ND 0 500 <br /> Methylene chloride - _ - _ _ _ ND _ _ 5 00, <br /> 1,1,1,2-Tetrachloroethane ND 0 500 <br /> Tetrachloroethene ND 0 500 <br /> 1,1,1-Tnchloroethane ND 0500 <br /> 1,1,2-Tnchloroethane ND 0 500 <br /> Tnchioroethene ND 0 500 <br /> Tnchlorofluoromethane ND 0 500 <br /> Vinyl chloride ND 100 <br /> Surrogate 1-Chloro.-2 fluorobenzene 10 0_-_ _. , . . _917 700-130 �91 7 <br /> _Blank _ - _ —-_ T 9090065-BLK3 - <br /> Bromodichloromethane 9/16199 ND� ug/l 0500 - <br /> Bromoform ND 0 500 <br /> Bromomethane ND 100 <br /> Carbon tetrachlonde ND "" 0 500 <br /> Chlorobenzene ND 0 500 <br /> Chloroethane ND to100 <br /> 2-Chloroethylvinyl ether ND too <br /> Chloroform ND 0 500 <br /> Chloromethane ND 100 <br /> Dibromochloromethane ND 0 500 <br /> 1,3-Dichlorobenzene ND 0 500 <br /> 1 4-Dichlorobenzene ND 0 500 <br /> 1,2-Dichlorobenzene ND " 0 500 <br /> 1,1-Dichloroethane ND 0 500 <br /> 1,2-Dichloroethane ND 0 500 <br /> 1,1-Dichlo-roethene ND -0500 <br /> cis-1,2-Dichloroethene toND 0 500 <br /> Sequoia Analytical-San Carlos "Refer to end of report for text of notes and definitions • <br /> Page 27 of 30 <br />