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SequoiaI680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-967,3 <br /> Analytical� 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> ^ 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos,CA 94070-4T 11 (650)232 9600 FAX(650)232-9612 <br /> I � <br /> Cambria Client Pro! ID Shell 341 Main St , Ripon Sampled 02/25/99 <br /> 1144 65th St Suite C Sample Descript SP-1(A-D) comp Received 02/26/99 <br /> Oakland, CA 94608 Matrix SOLID Extracted 03/08/99 <br /> Analysis Method EPA 8020 Analyzed 03/09/99 <br /> Attention Owen Ratchye Lab Number 9902E25-12 Reported 03J19199 <br /> IQC Batch Number GC030899BTEXEXA <br /> Instrument ID GCHP22 <br /> BTEX Distinction <br /> IAnalyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> Benzene 00050 N D <br /> Toluene 00050 N D <br /> Ethyl benzene 00050 N D <br /> Xylenes (Total) 00050 N D <br /> Surrogates Control Limits% % Recovery <br /> Trlfluorotoluene 70 130 81 <br /> 4-Bromofluorobenzene 60 140 81 <br /> III <br /> Ii <br /> i <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> I <br /> F�roject Manager page 15 <br /> I I <br />