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SequoiaE680 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)92t-0100 <br /> E y�.a' Analytical 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX{707}792-0342 <br /> 1551 Industrial Road San Carlos,CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> • <br /> E <br /> Cambria Client Prol ID Snell 341 Main St, Ripon Sampled 02/24/99 <br /> E 1144 65th St Suite C Sample Descript EW-1-295' 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 9902E24-17 Reported 03119199 <br /> QC Batch Number GC030999BTEXEXA <br /> Instrument ID GCHP22 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas 10 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 /> Trlfluorotoluene 70 130 79 <br /> 4-Bromofluorobenzene 60 140 93 <br /> E • <br /> Analytes reported as N 0 were not present above the stated limit of detection <br /> ISEQUOIA ANALYTICAL - ELAP 01210 <br />' c , <br />'Project Manager Page 34 <br />