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� � � 680 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)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> �rBlvd North Ste D Petaluma CA 44454 (707}792-]865 FAX{707)792-0342 <br /> Analytical 1455 McDowell <br /> 1551 Industrial Road San Carlos, CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> • <br /> I <br /> Cambria Client Prol ID Shell 341 Main St , Ripon Sampled 02/24/99 <br /> I1144 65th St Suite C Sample Descript EW-2-20 0' Received 02/26/99 <br /> Oakland, CA 94608 Matrix SOLID Extracted 03/09/99 <br /> Analysis Method 8015Mod/8020 Analyzed 03/09/99 <br /> Attention Owen Ratchye Lab Number 9902E24-13 Reported 03J19199 <br /> OC Batch Number GC030999BTEXEXA µ <br /> Instrument ID GCHP22 <br /> Tota! Purgeable Petroleum Hydrocarbons (TPPH) with STEX <br /> IAnalyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas 1 0 N D <br /> Benzene 00050 N D <br /> Toluene 00050 N D <br /> Ethyl Benzene 00050 N D <br /> Xylenes (Total) 00050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> ITrifluorotoluene 70 130 80 <br /> 4-Bromofluorobenzene 60 140 109 <br /> li <br /> I <br /> 1 <br /> 1 <br /> I <br /> I <br /> Analytes reported as N D were not present above the stated limit of detection <br />(SEQUOIA ANALYTICAL - ELAP 01210 <br /> IProject Manager Page 26 <br /> 1 <br />