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� t• <br /> Sequoia 660 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 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 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792 1865 FAX(707)792-0342 <br /> Gettler RyanZGeostrategies Client Prof-ID Unocal-SS#5886/2701 W�March-- - Sampled 09/03/98 <br /> 6747 Sierra Court Suite J Sample Descript MW-5S Received 09/02/98 <br /> Dublin, CA 94568 Matrix LIQUID Extracted 09/08/98 <br /> Analysis Method EPA 8015 Mod Analyzed 09/10/98 <br /> Attention Deanna Harding ___ Lab Number 9809049-0$ _ _ Reported 10f01 f98 <br /> DC Batch Number GC0908980HBPEXB - -- <br /> nstrument ID GCHP4B <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <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 % % Recovery <br /> i -Pentacosane (C25) 50 150 78 <br /> analytes reported as N D were not present above the stated lima of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> foGr:ianicher <br /> Project Manager Page 23 <br />