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Wiset <br /> ane <br /> Sequoia .CA `598 <br /> Walnut Creek.CA 94598 <br /> (925)988-9000 <br /> FAX(925)988-9673 <br /> Gettler-Ryan^-Dublin Client Project ID Unocal Circlfe K SS#1205, Lathrop Sampled Jul 16, 1999 <br /> 6747 Sierra Court, Suite J Sample Descript Water, MW-2 Received Jul 16, 1999 <br /> Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Jul 30, 1999 <br /> Attention Deanna Harding Lab Number 907-1250 Reported Aug 3, 1999 <br /> v v . N } w n n Y rv.0knn ry <br /> OXYGENATED COMPOUNDS (EPA 8260) __W <br /> Analyte Detection Limit Sample Results <br /> li►g/L N9/L <br /> Ethanol 10,000 N D <br /> t-Butanol 2,000 N D <br /> e# y t- ter . .. ... . ... ... .. ...... .. ... 40 .... .. .. ... .... 60 <br /> i-sopropy ter 40 <br /> Ethyl t-Butyl Ether (ETBE) 40 ND , <br /> t-Amyl Methyl Ether (TAME) 40 N D <br /> Surrogates Control Limit% % Recovery <br /> Dlbromofluoromethane 50 150 90 <br /> 1,2-Dichioroethane-d4 50 150 84 <br /> Analytes reported as N 0 were not present above the stated limit of detection Because matrix effects and/or other factors <br /> required additional sample dilution,detection limits for this sample have been raised <br /> SEQUOIA ANALYTICAL, <br /> J Janne Fegley <br /> roiect Manager ____ <br /> 9071248 GET <3> <br />