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680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N Wlget 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 /> Analytical <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> _ _ e <br /> Blaine Tech Services Client'Proj ID Shell 6131-Pacific Ave Sampled 11/23/98 <br /> 1680 Rogers Avenue Sample Descript MW-2 Received 11/25/98 <br /> San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 12/03/98 <br /> Attention Fran Thie Lab Number_9811 H55-02 Reported 12J13J98 <br /> CQC Batch Number GC120398BTEXOA2 <br /> Instrument ID GCHP2 <br /> Total Purgeable Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte _____ _ _ ____� _____�_ _ _ ---- -Detection Limit- - * _w----Sample Results------ — <br /> ug/L ug/L <br /> TPPH as Gas 50 N D <br /> Methyl t-Butyl Ether 25 54 <br /> Benzene 0 50 N D <br /> Toluene 050 N D <br /> Ethyl Benzene 0 50 N D <br /> Xylenes (Total) 0 50 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 100 <br /> • <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANAL AL - ELAP #1271 <br /> Peggy Penne <br /> Project Manager Page <br />