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680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)3649233 <br /> q <br /> Seuoia 404 N W S'et lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> L <br /> 1119 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-96W FAX(916)921 0100 <br /> 455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Analytical It Industrial Road San Carlos CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> i <br /> SECOR International Project Chevron 9-6258,Stockton,CA Sampled 416/99 to 417199 <br /> 9912 Business Park Drive,Ste 100 Project Number 7GO07-018-01 Received 4/8/99 <br /> Sacramento,CA 95827 Project Manager Roger Hoffmore Reported 4122/99 <br /> Volatile Oxygenate Compounds by EPA Method 8260A <br /> Sequoia Analytical-Sacramento <br /> Batch Date Date Surrogate Reporting <br /> lAnalyte Number Prepared Anal ed Limits Limit Result Units Notes* <br /> MW-2 Q 25'(„contra_ uerfl S904159-20 5" <br /> Ethanol 9040173 4115/99 4/15199 ISO ND mg/kg <br /> Surrogate 1 2-DCA-d4 600-140 884 <br /> M3Y-2 Q-12 S904159-24 5411 <br /> Tert-butyl alcohol 9040173 4/15/99 4/15/99 100 ND mg/kg <br /> Methyl tert-butyl ether 0 100 ND " <br /> Di-isopropyl ether 0 100 ND " <br /> Ethyl tert-butyl ether 0 100 ND " <br /> Tert-amyl methyl ether 0 100 ND " <br /> Ethanol ISO ND <br /> Surrogate 12-DCA-d4 " " " 600-140 891 % <br /> m3y-3 a 10. S904159-29 SAW <br /> Tert-butyl alcohol 9040173 4/15199 4/15199 100 ND mg/kg <br /> *'ethyl tert-butyl ether " " " 0 100 ND ' <br /> -isopropyl ether 0 100 ND <br /> Ethyl tert-butyl ether 0 100 ND " <br /> Tert-amyl methyl ether 0 100 ND " <br /> Ethanol 150 ND " <br /> Surrogate 1,2-DCA-d4 600-140 928 <br /> MW-3 25'_ S904159-32 5411 <br /> Tert-butyl alcohol 9040173 4/15/99 4/15199 100 ND mg/kg <br /> Methyl t?rt-butyl ether " 0 11""0 ND " <br /> Di-isopropyl ether 0 100 ND <br /> Ethyl tert-butyl ether 0 100 ND " <br /> Ten-amyl methyl ether 0 100 ND " <br /> Ethanol 150 ND " <br /> Surrogate 1,2-DCA-d4 600-140 916 <br /> MW-3 Cla 45' S904159-36 S" <br /> Tert-butyl alcohol 9040173 4/15/99 4115199 100 ND mg/kg <br /> Methyl tert-butyl ether 0 100 ND " <br /> Di-isopropyl ether 0 100 ND " <br /> Ethyl tert-butyl ether 0 100 ND <br /> Tert-amyl methyl ether 0 100 ND " <br /> Ethanol 150 ND " <br /> Surrogate 1 2-DCA-d4 600-140 988 <br /> equoia Analytical-Sacramente ^L T 'Refer to end of retort for text of cotes ana aef iirac ns <br /> Sandra R Hanson,Client Services Representative Page 15 of 23 <br /> CQL <br /> I <br />