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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> a- ) - - <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> Analytical , 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921.0100 <br /> t <br /> € ............. ' i :• ......................ai......€iiiirills .. . a::::x:::-....::::::::..........................:...... ......::::: ::::::::::::.... :::::::::::::::aaaa: ::::: :::::::;...................................: a-: <br /> " Cambria Client Proj. ID: Shell 1267 Country Club Blvd Sampled: 02/19/98 <br /> €" 270 Perkins Ave. Sample Descript: S-2-15 Received: 02/23/98 <br /> Sonoma, CA 95476 Matrix: SOLID Extracted: 02/27/98 <br /> Analysis Method: 8015Mod/8020 Analyzed: 03/03/98 '€ <br /> Attention: Joe Neel Lab Number: 9802F61-02 Reported: 03J09/98 <br /> _....._. .......""""................"......""""..........................:................................................................................. ..... . ............. .» <br /> QC Batch Number: GCO22798BTEXEX5 <br /> Instrument ID: GCHP22 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg . <br /> TPPH as Gas 1.0 N.D. <br /> Methyl t-Butyl Ether 0.025 N.D. <br /> Benzene 0.0050 N.D. . <br /> Toluene 0.0050 n N.D. ' <br /> Ethyl Benzene 0.0050 N.D. <br /> Xylenes (Total) 0.0050 N.D.� � <br /> Chromatogram Pattern: <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 85 <br /> 4-Bromofiuorobenzene 60 140 79 <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL. - ELAP #1210 <br /> s <br /> /e gory <br /> I''fojec Manager Page: js <br /> i <br />