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680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)9889673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(9 16)921-0100 <br /> 4D�,,,� Analytical 1455 McDowell Blvd North,Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 155 1 industrial Road San Carlos CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> 'Getiler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite J Project Number- Former Unocal#0123 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 04-Oct-99 10 17 <br /> Volatile organic Compounds by EPA Method 8010B <br /> Sequoia Analytical -Walnut Creek <br /> Reportmg <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> U4(W909217-05)Water Sampled 09-Sep-99 13 48 Received 10-Sep-9914 55 <br /> Bro adichloromethane ND 050 ug/l 1 9115009 15-Sep-99 15-Sep-99 EPA 8010E <br /> Bromoform ND 050 " <br /> Bmmornethane ND 10 <br /> Carbon tetrachloride ND 030 <br /> Chlorobenzene ND 050 <br /> Chloroethane ND 10 " <br /> Chloroform ND 050 <br /> Chloromethane ND 10 " <br /> Dibromochloromethane ND 050 " <br /> 1,3-Dichlorobenzene ND 050 " <br /> 1,4-Dichlorobenzene ND 0 50 " <br /> 1,2-Dichlorobenzene ND 030 " <br /> 1 1-Dii.hloroethane ND 050 " <br /> 1 2-Dichloroethdne ND 0 50 <br /> 4 01i'm.- <br /> -Dic.hloroethene ND 0 50 <br /> 1,2-DichlorOLthLnt- 1 8 0 50I-2-Dii.hloroethene ND 050 <br /> 1 2-Di4hloropropene ND 050 " <br /> ,.ia-1 3-Dir.hloropropene ND 0 30 " <br /> trona-1 3-Dri,hloropropene ND 0 50 " <br /> Methylene chlonde ND 50 " <br /> 1 1.2 2-Tetrachloroethdne ND 0 50 " <br /> Ti.traLhloroetht-ne 28 0 50 <br /> I 1 1-TiaLhlorcethane ND 0 50 " <br /> 1 1,2-TnL hloro ethane ND 0 50 " <br /> Tru.hloroethene ND 0 50 " <br /> I nc ilorotluoromethdne ND 0 50 " <br /> Vnv]chlonde ND 10 <br /> surrogate Dibromodijbiotornethaire 840% 50-150 <br /> .surrogate 4-Btomofluorobenzene 700% 50-150 <br /> Sequoia Analytical- Walnut Creels - The resultr in thr t reporr apply to rhe sampler anaty.ed in accore4mce wrth rhe chran of <br /> ` custody document Thir analytreal report murr he reproduced maty erurrery <br /> u e �e6 ey, Project ,iii,ig Past. 9 0l 16 <br />