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[� 404 N Wlget Lane <br /> Sequoia - y Walnut Geek,CA 94598 <br /> - --ri--(925)98&9600 <br /> FAX(925)988-9673 <br /> Analytical '"wwsequoWabs4rn <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite J Project Number Unocal# 1205 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 08-Feb-01 07 55 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> - - T- - - Sequoia-Analytical -Walnut Creek - - - - - — --- - — <br /> Repor <br /> Analyte Result L=t Units Dilution Batch Prepared Analyzed Method Notes <br /> MW4(W101183-05)Water Sampled 08-Jan-01 09 35 Received 09-Jan-01 18 15 <br /> Ethanol ND 500 ugll 1 1A16024 18-Jan-01 18-Jan-01 EPA 9260B <br /> test-Butyl alcohol ND 50 ^ " <br /> Methyl tert-butyl ether ND 20 <br /> Di-isopropyl ether ND 20 <br /> Ethyl tert-butyl ether ND 20 ^ <br /> tertAmyl methyl ether ND 20 " <br /> 1,2-Dlchloroethane ND 20 " <br /> Ethylene dlbronude ND 20 " <br /> Surrogate Dibromofluoromethane 110% 50-150 " " <br /> Surrogate 1,1-Dichloroethaned4 402% 50-150 S-04 <br /> MW-5(WI01183-06)Water Sampled 08-Ian-01 15 50 Received 09-Ian-01 18 15 - <br /> Ethanol ND 2500 ug1l 5 1A16024 18-Jan-01 18-Jan-01 EPA 9260B <br /> tert-Butyl alcohol ND 250 ^ <br /> Methyl tert-butyl ether 27 10 <br /> DI-Isopropyl ether ND 10 " <br /> Ethyl tent butyl ether ND 10 <br /> tert-Amyl methyl ether ND 10 <br /> 1,2-Dlchloroethane ND 10 <br /> Ethylene dibronude ND 10 " <br /> Surrogate Dibromofluoromethane 113% 50-150 " <br /> Surrogate 1,1 Dichloroethaned4 496% 50-150 " 5-04 <br /> MW-6(W101183-07)Water Sampled 08-Jan-01 12 10 Received 09-Ian-01 18 15 <br /> Ethanol ND 5000 ug/l 10 1 A 16024 1 8-Jan-01 18-Jan-01 EPA 8260B <br /> tertButyl alcohol ND 500 ^ <br /> Methyl tert-butyl ether 750 20 " ^ <br /> DI-Isopropyl ether ND 20 " <br /> Ethyl tert-butyl ether ND 20 <br /> tert-Amyl methyl ether ND 20 <br /> 1,2-Dlchloroethane ND 20 <br /> Ethylene dibromlde ND 20 " ^ <br /> Surrogate Dibromofluoromethane 112% 50-150 " <br /> Surrogate 1,1 Dtchloroethaned4 986% 50-150 <br /> Sequoia Analytical-Walllut Creels The results in this report apply to the samples analyzed in accordance with the chat <br /> custody document,Ms ana4ecal report must be reproduced in its enlr <br /> Page 7 of 14 <br />