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f i - <br /> �. tr <br /> 680 Chesapeake Drrve Redwood City CA 94063 (650) 364 9600 FAX(650)364-9233 <br /> G) Sequoia 404 N Wlget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-%73 <br /> Analytiea1 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> • <br /> Gettler Ryan/Geostrategles Client Proj ID Unocal SS#5886/2701 W March Sampled 09/01/98 _ <br /> 6747 Sierra Court Suite J Sample Descrlpt MW-3 Received 09/02/98 = <br /> = Dublin, CA 94568 Matrix LIQUID Extracted 09/08/98 <br /> Analysis Method EPA 8015 Mod Analyzed 09/14/98 <br /> Attention Deanna Harding _ Lab Number_ 9809049-04 - - _Reported,10f 01/98 <br /> aC Batch Number GCO908980HBPEXB <br /> Instrument ID GCHP4A <br /> Total Extractable Petroleum Hydrocarbons (TEPH) with Silica Gel Cleanup <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TEPH as Diesel 50 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % 0% Recovery <br /> n-Pentacosane (C25) 50 150 71 <br /> i <br /> I <br /> Analytes reported as N D were not present above the stated lima of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Tod Granicher <br /> Project Manager Page s <br />