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Sequoia tsst Industrial Road <br /> a San Carlos.CA 94470-41t t '� <br /> 41) ` (650)232-9600 <br /> Analytical ti ' J F (650)232-9612 <br /> � www sequoia/ <br /> �, abs com. <br /> Gettler-Ryan/Geostrategies(1) Project Unocal(1) Sampled =8/31/00 to 9/1/00 <br /> 6747 Sierra Court,Suite j Project Number Former Unocal SS#(0187) r Received 9/1/00 <br /> Dublin,CA 94568 Pro ect Manager Deanna Hardmg Repo rted 9/18/00 <br /> Volatile Organic Oxygenated Compounds by EPA Method 8260B <br /> Sequoia Analytical--San Carlos <br /> Batch Date Date Surrogate Reporting <br /> Anal __ _ Number PMared Arialyzed Limits Limit Result ' Units Notes" <br /> UU1 L009012-02 W-_ ater u <br /> Ethanol 0090032 9/7/00 9/7/00 1000 ND ug/l <br /> Tert-butyl alcohol " 100 ND " <br /> Methyl tert-butyl ether 200 ND " <br /> Di-isopropyl ether " 11 Is 200 ND of <br /> Ethyl tert-butyl ether It " of 2 00 ND , " <br /> Text-amyl methyl ether " " to 200 ND " <br /> Surrogate 1,2-Dichloroethane-d4 " " 760-114 904 % <br /> , <br /> U-2 L009012-03 Water <br /> Ethanol 0090032 ,9/7/00 9/7/00 _1000 ND ug/l <br /> Tert-butyl alcohol If Is , 100 ND " <br /> Methyl tert-butyl ether It 200 ND <br /> Di-isopropyl ether IT _ _ _ _ _ _ 200 ND <br /> Ethyl tert_ m-butyl ether " 2 00 N_D <br /> Tent-amyl ethyl ether n It ,t- - - _ _ _ _ _ _ _ - - _" 200 ND_ to <br /> - m <br /> Surrogate 1,2-Dichloroethane-d4 " If760-114 100 % <br /> U-3 L009012-04 Water 3 <br /> -_Ethanol __0090032_=9/7/00__-9/7/00 —10000_ =ND _ ug/l <br /> Tert-butyl alcohol 11 1000 ND It <br /> Methyi_tert_butyl ether---_ `��_ " _ 20 0----Na__- <br /> Di-isopropyl ether_._� - � _ _���� --_- --„a-_. -T--�-„ --- -_ _- __ - - -'''�"=20 0 ND Is �- <br /> Ethyl tcrt-butyl ether__,_ _" _ -- 200 _ ND " <br /> Tert-amyl methyl ether 11 of200 ND V <br /> Surrogate 42 Dichloroethane-d4 " " " 760-114 882 % <br /> U_•4 L00901245 Wgt�r <br /> Ethanol 0090034 9/7/00 9/7/00 1000 ND 119/1 <br /> Text butyl alcohol so It 100 ND " <br /> Methyl tert-butyl etlica " Is " 2 00 ND IT <br /> Di-isopropyl ether Is Is Is2 00 ND " <br /> Ethyl Wit-butyl ether of Is -' 200 ND " <br /> Tat-amyl methyl ether No it 2 00 ND " <br /> Surrogate 1,2-Dtchloroethane-d4 " 760-114 992 <br /> UU-S L009012-06 Water <br /> Ethanol 0090034 9/7/00 9/7/00 1000 ND ug/l <br /> Text-butyl alcohol Is It of100 ND " <br /> Methyl tert-butyl ether 2 00 ND " <br /> Di-isopropyl ether " 2 00 ND " <br /> Ethyl tert-butyl ether " 2 00 ND <br /> Sequoia Analytical-San Carlos "Refer to end of reportfor text of notes and definitions <br /> Page 7of19 <br />