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Sequoia 680 Chesapeake Drive Redwood Clty CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> 404 N WlSet Lane Walnut Creels,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 /> frlll� Analytical 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Blaine Tech Services Client Prol ID Shell 4445 Pershing Ave Sampled 10/28/98 <br /> 1680 Rogers Avenue Sample Descript VEW-1 Received 10/29/98 <br /> San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 11/10/98 <br /> Attention Fran Thie Lab Number 9810L26-01 Reported 11J15198 <br /> QC Batch Number GC1 1 10986TEX30A <br /> Instrument ID GCHP30 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 N D <br /> Methyl t-Butyl Ether 25 72 <br /> Benzene 050 N D <br /> Toluene 050 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 99 <br /> • <br /> Analytes reported as N were not present above the stated limit of detection <br /> SEQ AL(TICAL - ELAP #1210 <br /> Peggy Penner <br /> Project Manager Pae t <br /> 9 <br /> _ .PR, <br />